root / hw / tsc210x.c @ b1d8e52e
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/*
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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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| 10 |
* published by the Free Software Foundation; either version 2 or
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| 11 |
* (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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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 "console.h" |
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#include "omap.h" /* For struct i2s_codec_s and struct uwire_slave_s */ |
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#include "devices.h" |
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|
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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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|
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#define TSC_VERBOSE
|
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|
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#define TSC_CUT_RESOLUTION(value, p) ((value) >> (16 - resolution[p])) |
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|
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struct tsc210x_state_s {
|
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qemu_irq pint; |
| 41 |
qemu_irq kbint; |
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qemu_irq davint; |
| 43 |
QEMUTimer *timer; |
| 44 |
QEMUSoundCard card; |
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struct uwire_slave_s chip;
|
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struct i2s_codec_s 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; |
| 50 |
|
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int x, y;
|
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int pressure;
|
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|
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int state, page, offset, irq;
|
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uint16_t command, dav; |
| 56 |
|
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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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|
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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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|
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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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AudioState *audio; |
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|
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int tr[8]; |
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|
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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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}; |
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|
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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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|
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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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|
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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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|
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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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|
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#define TSC_POWEROFF_DELAY 50 |
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#define TSC_SOFTSTEP_DELAY 50 |
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|
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static void tsc210x_reset(struct tsc210x_state_s *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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|
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struct tsc210x_rate_info_s {
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int rate;
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int dsor;
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int fsref;
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}; |
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/* { rate, dsor, fsref } */
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static const struct tsc210x_rate_info_s 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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|
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/* { rate, dsor, fsref } */
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static const struct tsc210x_rate_info_s 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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|
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static inline void tsc210x_out_flush(struct tsc210x_state_s *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; |
| 285 |
|
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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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|
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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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|
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static void tsc210x_audio_out_cb(struct tsc210x_state_s *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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} |
| 301 |
|
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s->codec.out.size = MIN(free_b, 16384);
|
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qemu_irq_raise(s->codec.tx_start); |
| 304 |
} |
| 305 |
|
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static void tsc2102_audio_rate_update(struct tsc210x_state_s *s) |
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{
|
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const struct tsc210x_rate_info_s *rate; |
| 309 |
|
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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 */ |
| 313 |
return;
|
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|
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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 */ |
| 318 |
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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} |
| 323 |
|
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s->codec.tx_rate = rate->rate; |
| 325 |
} |
| 326 |
|
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static void tsc2102_audio_output_update(struct tsc210x_state_s *s) |
| 328 |
{
|
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int enable;
|
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audsettings_t fmt; |
| 331 |
|
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if (s->dac_voice[0]) { |
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tsc210x_out_flush(s, s->codec.out.len); |
| 334 |
s->codec.out.size = 0;
|
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AUD_set_active_out(s->dac_voice[0], 0); |
| 336 |
AUD_close_out(&s->card, s->dac_voice[0]);
|
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s->dac_voice[0] = 0; |
| 338 |
} |
| 339 |
s->codec.cts = 0;
|
| 340 |
|
| 341 |
enable = |
| 342 |
(~s->dac_power & (1 << 15)) && /* PWDNC */ |
| 343 |
(~s->dac_power & (1 << 10)); /* DAPWDN */ |
| 344 |
if (!enable || !s->codec.tx_rate)
|
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return;
|
| 346 |
|
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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; |
| 351 |
fmt.fmt = AUD_FMT_S16; |
| 352 |
|
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s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0], |
| 354 |
"tsc2102.sink", s, (void *) tsc210x_audio_out_cb, &fmt); |
| 355 |
if (s->dac_voice[0]) { |
| 356 |
s->codec.cts = 1;
|
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AUD_set_active_out(s->dac_voice[0], 1); |
| 358 |
} |
| 359 |
} |
| 360 |
|
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static uint16_t tsc2102_data_register_read(struct tsc210x_state_s *s, int reg) |
| 362 |
{
|
| 363 |
switch (reg) {
|
| 364 |
case 0x00: /* X */ |
| 365 |
s->dav &= 0xfbff;
|
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return TSC_CUT_RESOLUTION(X_TRANSFORM(s), s->precision) +
|
| 367 |
(s->noise & 3);
|
| 368 |
|
| 369 |
case 0x01: /* Y */ |
| 370 |
s->noise ++; |
| 371 |
s->dav &= 0xfdff;
|
| 372 |
return TSC_CUT_RESOLUTION(Y_TRANSFORM(s), s->precision) ^
|
| 373 |
(s->noise & 3);
|
| 374 |
|
| 375 |
case 0x02: /* Z1 */ |
| 376 |
s->dav &= 0xfeff;
|
| 377 |
return TSC_CUT_RESOLUTION(Z1_TRANSFORM(s), s->precision) -
|
| 378 |
(s->noise & 3);
|
| 379 |
|
| 380 |
case 0x03: /* Z2 */ |
| 381 |
s->dav &= 0xff7f;
|
| 382 |
return TSC_CUT_RESOLUTION(Z2_TRANSFORM(s), s->precision) |
|
| 383 |
(s->noise & 3);
|
| 384 |
|
| 385 |
case 0x04: /* KPData */ |
| 386 |
if ((s->model & 0xff00) == 0x2300) { |
| 387 |
if (s->kb.intr && (s->kb.mode & 2)) { |
| 388 |
s->kb.intr = 0;
|
| 389 |
qemu_irq_raise(s->kbint); |
| 390 |
} |
| 391 |
return s->kb.down;
|
| 392 |
} |
| 393 |
|
| 394 |
return 0xffff; |
| 395 |
|
| 396 |
case 0x05: /* BAT1 */ |
| 397 |
s->dav &= 0xffbf;
|
| 398 |
return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision) +
|
| 399 |
(s->noise & 6);
|
| 400 |
|
| 401 |
case 0x06: /* BAT2 */ |
| 402 |
s->dav &= 0xffdf;
|
| 403 |
return TSC_CUT_RESOLUTION(BAT2_VAL, s->precision);
|
| 404 |
|
| 405 |
case 0x07: /* AUX1 */ |
| 406 |
s->dav &= 0xffef;
|
| 407 |
return TSC_CUT_RESOLUTION(AUX1_VAL, s->precision);
|
| 408 |
|
| 409 |
case 0x08: /* AUX2 */ |
| 410 |
s->dav &= 0xfff7;
|
| 411 |
return 0xffff; |
| 412 |
|
| 413 |
case 0x09: /* TEMP1 */ |
| 414 |
s->dav &= 0xfffb;
|
| 415 |
return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) -
|
| 416 |
(s->noise & 5);
|
| 417 |
|
| 418 |
case 0x0a: /* TEMP2 */ |
| 419 |
s->dav &= 0xfffd;
|
| 420 |
return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^
|
| 421 |
(s->noise & 3);
|
| 422 |
|
| 423 |
case 0x0b: /* DAC */ |
| 424 |
s->dav &= 0xfffe;
|
| 425 |
return 0xffff; |
| 426 |
|
| 427 |
default:
|
| 428 |
#ifdef TSC_VERBOSE
|
| 429 |
fprintf(stderr, "tsc2102_data_register_read: "
|
| 430 |
"no such register: 0x%02x\n", reg);
|
| 431 |
#endif
|
| 432 |
return 0xffff; |
| 433 |
} |
| 434 |
} |
| 435 |
|
| 436 |
static uint16_t tsc2102_control_register_read(
|
| 437 |
struct tsc210x_state_s *s, int reg) |
| 438 |
{
|
| 439 |
switch (reg) {
|
| 440 |
case 0x00: /* TSC ADC */ |
| 441 |
return (s->pressure << 15) | ((!s->busy) << 14) | |
| 442 |
(s->nextfunction << 10) | (s->nextprecision << 8) | s->filter; |
| 443 |
|
| 444 |
case 0x01: /* Status / Keypad Control */ |
| 445 |
if ((s->model & 0xff00) == 0x2100) |
| 446 |
return (s->pin_func << 14) | ((!s->enabled) << 13) | |
| 447 |
(s->host_mode << 12) | ((!!s->dav) << 11) | s->dav; |
| 448 |
else
|
| 449 |
return (s->kb.intr << 15) | ((s->kb.scan || !s->kb.down) << 14) | |
| 450 |
(s->kb.debounce << 11);
|
| 451 |
|
| 452 |
case 0x02: /* DAC Control */ |
| 453 |
if ((s->model & 0xff00) == 0x2300) |
| 454 |
return s->dac_power & 0x8000; |
| 455 |
else
|
| 456 |
goto bad_reg;
|
| 457 |
|
| 458 |
case 0x03: /* Reference */ |
| 459 |
return s->ref;
|
| 460 |
|
| 461 |
case 0x04: /* Reset */ |
| 462 |
return 0xffff; |
| 463 |
|
| 464 |
case 0x05: /* Configuration */ |
| 465 |
return s->timing;
|
| 466 |
|
| 467 |
case 0x06: /* Secondary configuration */ |
| 468 |
if ((s->model & 0xff00) == 0x2100) |
| 469 |
goto bad_reg;
|
| 470 |
return ((!s->dav) << 15) | ((s->kb.mode & 1) << 14) | s->pll[2]; |
| 471 |
|
| 472 |
case 0x10: /* Keypad Mask */ |
| 473 |
if ((s->model & 0xff00) == 0x2100) |
| 474 |
goto bad_reg;
|
| 475 |
return s->kb.mask;
|
| 476 |
|
| 477 |
default:
|
| 478 |
bad_reg:
|
| 479 |
#ifdef TSC_VERBOSE
|
| 480 |
fprintf(stderr, "tsc2102_control_register_read: "
|
| 481 |
"no such register: 0x%02x\n", reg);
|
| 482 |
#endif
|
| 483 |
return 0xffff; |
| 484 |
} |
| 485 |
} |
| 486 |
|
| 487 |
static uint16_t tsc2102_audio_register_read(struct tsc210x_state_s *s, int reg) |
| 488 |
{
|
| 489 |
int l_ch, r_ch;
|
| 490 |
uint16_t val; |
| 491 |
|
| 492 |
switch (reg) {
|
| 493 |
case 0x00: /* Audio Control 1 */ |
| 494 |
return s->audio_ctrl1;
|
| 495 |
|
| 496 |
case 0x01: |
| 497 |
return 0xff00; |
| 498 |
|
| 499 |
case 0x02: /* DAC Volume Control */ |
| 500 |
return s->volume;
|
| 501 |
|
| 502 |
case 0x03: |
| 503 |
return 0x8b00; |
| 504 |
|
| 505 |
case 0x04: /* Audio Control 2 */ |
| 506 |
l_ch = 1;
|
| 507 |
r_ch = 1;
|
| 508 |
if (s->softstep && !(s->dac_power & (1 << 10))) { |
| 509 |
l_ch = (qemu_get_clock(vm_clock) > |
| 510 |
s->volume_change + TSC_SOFTSTEP_DELAY); |
| 511 |
r_ch = (qemu_get_clock(vm_clock) > |
| 512 |
s->volume_change + TSC_SOFTSTEP_DELAY); |
| 513 |
} |
| 514 |
|
| 515 |
return s->audio_ctrl2 | (l_ch << 3) | (r_ch << 2); |
| 516 |
|
| 517 |
case 0x05: /* Stereo DAC Power Control */ |
| 518 |
return 0x2aa0 | s->dac_power | |
| 519 |
(((s->dac_power & (1 << 10)) && |
| 520 |
(qemu_get_clock(vm_clock) > |
| 521 |
s->powerdown + TSC_POWEROFF_DELAY)) << 6);
|
| 522 |
|
| 523 |
case 0x06: /* Audio Control 3 */ |
| 524 |
val = s->audio_ctrl3 | 0x0001;
|
| 525 |
s->audio_ctrl3 &= 0xff3f;
|
| 526 |
return val;
|
| 527 |
|
| 528 |
case 0x07: /* LCH_BASS_BOOST_N0 */ |
| 529 |
case 0x08: /* LCH_BASS_BOOST_N1 */ |
| 530 |
case 0x09: /* LCH_BASS_BOOST_N2 */ |
| 531 |
case 0x0a: /* LCH_BASS_BOOST_N3 */ |
| 532 |
case 0x0b: /* LCH_BASS_BOOST_N4 */ |
| 533 |
case 0x0c: /* LCH_BASS_BOOST_N5 */ |
| 534 |
case 0x0d: /* LCH_BASS_BOOST_D1 */ |
| 535 |
case 0x0e: /* LCH_BASS_BOOST_D2 */ |
| 536 |
case 0x0f: /* LCH_BASS_BOOST_D4 */ |
| 537 |
case 0x10: /* LCH_BASS_BOOST_D5 */ |
| 538 |
case 0x11: /* RCH_BASS_BOOST_N0 */ |
| 539 |
case 0x12: /* RCH_BASS_BOOST_N1 */ |
| 540 |
case 0x13: /* RCH_BASS_BOOST_N2 */ |
| 541 |
case 0x14: /* RCH_BASS_BOOST_N3 */ |
| 542 |
case 0x15: /* RCH_BASS_BOOST_N4 */ |
| 543 |
case 0x16: /* RCH_BASS_BOOST_N5 */ |
| 544 |
case 0x17: /* RCH_BASS_BOOST_D1 */ |
| 545 |
case 0x18: /* RCH_BASS_BOOST_D2 */ |
| 546 |
case 0x19: /* RCH_BASS_BOOST_D4 */ |
| 547 |
case 0x1a: /* RCH_BASS_BOOST_D5 */ |
| 548 |
return s->filter_data[reg - 0x07]; |
| 549 |
|
| 550 |
case 0x1b: /* PLL Programmability 1 */ |
| 551 |
return s->pll[0]; |
| 552 |
|
| 553 |
case 0x1c: /* PLL Programmability 2 */ |
| 554 |
return s->pll[1]; |
| 555 |
|
| 556 |
case 0x1d: /* Audio Control 4 */ |
| 557 |
return (!s->softstep) << 14; |
| 558 |
|
| 559 |
default:
|
| 560 |
#ifdef TSC_VERBOSE
|
| 561 |
fprintf(stderr, "tsc2102_audio_register_read: "
|
| 562 |
"no such register: 0x%02x\n", reg);
|
| 563 |
#endif
|
| 564 |
return 0xffff; |
| 565 |
} |
| 566 |
} |
| 567 |
|
| 568 |
static void tsc2102_data_register_write( |
| 569 |
struct tsc210x_state_s *s, int reg, uint16_t value) |
| 570 |
{
|
| 571 |
switch (reg) {
|
| 572 |
case 0x00: /* X */ |
| 573 |
case 0x01: /* Y */ |
| 574 |
case 0x02: /* Z1 */ |
| 575 |
case 0x03: /* Z2 */ |
| 576 |
case 0x05: /* BAT1 */ |
| 577 |
case 0x06: /* BAT2 */ |
| 578 |
case 0x07: /* AUX1 */ |
| 579 |
case 0x08: /* AUX2 */ |
| 580 |
case 0x09: /* TEMP1 */ |
| 581 |
case 0x0a: /* TEMP2 */ |
| 582 |
return;
|
| 583 |
|
| 584 |
default:
|
| 585 |
#ifdef TSC_VERBOSE
|
| 586 |
fprintf(stderr, "tsc2102_data_register_write: "
|
| 587 |
"no such register: 0x%02x\n", reg);
|
| 588 |
#endif
|
| 589 |
} |
| 590 |
} |
| 591 |
|
| 592 |
static void tsc2102_control_register_write( |
| 593 |
struct tsc210x_state_s *s, int reg, uint16_t value) |
| 594 |
{
|
| 595 |
switch (reg) {
|
| 596 |
case 0x00: /* TSC ADC */ |
| 597 |
s->host_mode = value >> 15;
|
| 598 |
s->enabled = !(value & 0x4000);
|
| 599 |
if (s->busy && !s->enabled)
|
| 600 |
qemu_del_timer(s->timer); |
| 601 |
s->busy &= s->enabled; |
| 602 |
s->nextfunction = (value >> 10) & 0xf; |
| 603 |
s->nextprecision = (value >> 8) & 3; |
| 604 |
s->filter = value & 0xff;
|
| 605 |
return;
|
| 606 |
|
| 607 |
case 0x01: /* Status / Keypad Control */ |
| 608 |
if ((s->model & 0xff00) == 0x2100) |
| 609 |
s->pin_func = value >> 14;
|
| 610 |
else {
|
| 611 |
s->kb.scan = (value >> 14) & 1; |
| 612 |
s->kb.debounce = (value >> 11) & 7; |
| 613 |
if (s->kb.intr && s->kb.scan) {
|
| 614 |
s->kb.intr = 0;
|
| 615 |
qemu_irq_raise(s->kbint); |
| 616 |
} |
| 617 |
} |
| 618 |
return;
|
| 619 |
|
| 620 |
case 0x02: /* DAC Control */ |
| 621 |
if ((s->model & 0xff00) == 0x2300) { |
| 622 |
s->dac_power &= 0x7fff;
|
| 623 |
s->dac_power |= 0x8000 & value;
|
| 624 |
} else
|
| 625 |
goto bad_reg;
|
| 626 |
break;
|
| 627 |
|
| 628 |
case 0x03: /* Reference */ |
| 629 |
s->ref = value & 0x1f;
|
| 630 |
return;
|
| 631 |
|
| 632 |
case 0x04: /* Reset */ |
| 633 |
if (value == 0xbb00) { |
| 634 |
if (s->busy)
|
| 635 |
qemu_del_timer(s->timer); |
| 636 |
tsc210x_reset(s); |
| 637 |
#ifdef TSC_VERBOSE
|
| 638 |
} else {
|
| 639 |
fprintf(stderr, "tsc2102_control_register_write: "
|
| 640 |
"wrong value written into RESET\n");
|
| 641 |
#endif
|
| 642 |
} |
| 643 |
return;
|
| 644 |
|
| 645 |
case 0x05: /* Configuration */ |
| 646 |
s->timing = value & 0x3f;
|
| 647 |
#ifdef TSC_VERBOSE
|
| 648 |
if (value & ~0x3f) |
| 649 |
fprintf(stderr, "tsc2102_control_register_write: "
|
| 650 |
"wrong value written into CONFIG\n");
|
| 651 |
#endif
|
| 652 |
return;
|
| 653 |
|
| 654 |
case 0x06: /* Secondary configuration */ |
| 655 |
if ((s->model & 0xff00) == 0x2100) |
| 656 |
goto bad_reg;
|
| 657 |
s->kb.mode = value >> 14;
|
| 658 |
s->pll[2] = value & 0x3ffff; |
| 659 |
return;
|
| 660 |
|
| 661 |
case 0x10: /* Keypad Mask */ |
| 662 |
if ((s->model & 0xff00) == 0x2100) |
| 663 |
goto bad_reg;
|
| 664 |
s->kb.mask = value; |
| 665 |
return;
|
| 666 |
|
| 667 |
default:
|
| 668 |
bad_reg:
|
| 669 |
#ifdef TSC_VERBOSE
|
| 670 |
fprintf(stderr, "tsc2102_control_register_write: "
|
| 671 |
"no such register: 0x%02x\n", reg);
|
| 672 |
#endif
|
| 673 |
} |
| 674 |
} |
| 675 |
|
| 676 |
static void tsc2102_audio_register_write( |
| 677 |
struct tsc210x_state_s *s, int reg, uint16_t value) |
| 678 |
{
|
| 679 |
switch (reg) {
|
| 680 |
case 0x00: /* Audio Control 1 */ |
| 681 |
s->audio_ctrl1 = value & 0x0f3f;
|
| 682 |
#ifdef TSC_VERBOSE
|
| 683 |
if ((value & ~0x0f3f) || ((value & 7) != ((value >> 3) & 7))) |
| 684 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 685 |
"wrong value written into Audio 1\n");
|
| 686 |
#endif
|
| 687 |
tsc2102_audio_rate_update(s); |
| 688 |
if (s->audio)
|
| 689 |
tsc2102_audio_output_update(s); |
| 690 |
return;
|
| 691 |
|
| 692 |
case 0x01: |
| 693 |
#ifdef TSC_VERBOSE
|
| 694 |
if (value != 0xff00) |
| 695 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 696 |
"wrong value written into reg 0x01\n");
|
| 697 |
#endif
|
| 698 |
return;
|
| 699 |
|
| 700 |
case 0x02: /* DAC Volume Control */ |
| 701 |
s->volume = value; |
| 702 |
s->volume_change = qemu_get_clock(vm_clock); |
| 703 |
return;
|
| 704 |
|
| 705 |
case 0x03: |
| 706 |
#ifdef TSC_VERBOSE
|
| 707 |
if (value != 0x8b00) |
| 708 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 709 |
"wrong value written into reg 0x03\n");
|
| 710 |
#endif
|
| 711 |
return;
|
| 712 |
|
| 713 |
case 0x04: /* Audio Control 2 */ |
| 714 |
s->audio_ctrl2 = value & 0xf7f2;
|
| 715 |
#ifdef TSC_VERBOSE
|
| 716 |
if (value & ~0xf7fd) |
| 717 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 718 |
"wrong value written into Audio 2\n");
|
| 719 |
#endif
|
| 720 |
return;
|
| 721 |
|
| 722 |
case 0x05: /* Stereo DAC Power Control */ |
| 723 |
if ((value & ~s->dac_power) & (1 << 10)) |
| 724 |
s->powerdown = qemu_get_clock(vm_clock); |
| 725 |
|
| 726 |
s->dac_power = value & 0x9543;
|
| 727 |
#ifdef TSC_VERBOSE
|
| 728 |
if ((value & ~0x9543) != 0x2aa0) |
| 729 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 730 |
"wrong value written into Power\n");
|
| 731 |
#endif
|
| 732 |
tsc2102_audio_rate_update(s); |
| 733 |
if (s->audio)
|
| 734 |
tsc2102_audio_output_update(s); |
| 735 |
return;
|
| 736 |
|
| 737 |
case 0x06: /* Audio Control 3 */ |
| 738 |
s->audio_ctrl3 &= 0x00c0;
|
| 739 |
s->audio_ctrl3 |= value & 0xf800;
|
| 740 |
#ifdef TSC_VERBOSE
|
| 741 |
if (value & ~0xf8c7) |
| 742 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 743 |
"wrong value written into Audio 3\n");
|
| 744 |
#endif
|
| 745 |
if (s->audio)
|
| 746 |
tsc2102_audio_output_update(s); |
| 747 |
return;
|
| 748 |
|
| 749 |
case 0x07: /* LCH_BASS_BOOST_N0 */ |
| 750 |
case 0x08: /* LCH_BASS_BOOST_N1 */ |
| 751 |
case 0x09: /* LCH_BASS_BOOST_N2 */ |
| 752 |
case 0x0a: /* LCH_BASS_BOOST_N3 */ |
| 753 |
case 0x0b: /* LCH_BASS_BOOST_N4 */ |
| 754 |
case 0x0c: /* LCH_BASS_BOOST_N5 */ |
| 755 |
case 0x0d: /* LCH_BASS_BOOST_D1 */ |
| 756 |
case 0x0e: /* LCH_BASS_BOOST_D2 */ |
| 757 |
case 0x0f: /* LCH_BASS_BOOST_D4 */ |
| 758 |
case 0x10: /* LCH_BASS_BOOST_D5 */ |
| 759 |
case 0x11: /* RCH_BASS_BOOST_N0 */ |
| 760 |
case 0x12: /* RCH_BASS_BOOST_N1 */ |
| 761 |
case 0x13: /* RCH_BASS_BOOST_N2 */ |
| 762 |
case 0x14: /* RCH_BASS_BOOST_N3 */ |
| 763 |
case 0x15: /* RCH_BASS_BOOST_N4 */ |
| 764 |
case 0x16: /* RCH_BASS_BOOST_N5 */ |
| 765 |
case 0x17: /* RCH_BASS_BOOST_D1 */ |
| 766 |
case 0x18: /* RCH_BASS_BOOST_D2 */ |
| 767 |
case 0x19: /* RCH_BASS_BOOST_D4 */ |
| 768 |
case 0x1a: /* RCH_BASS_BOOST_D5 */ |
| 769 |
s->filter_data[reg - 0x07] = value;
|
| 770 |
return;
|
| 771 |
|
| 772 |
case 0x1b: /* PLL Programmability 1 */ |
| 773 |
s->pll[0] = value & 0xfffc; |
| 774 |
#ifdef TSC_VERBOSE
|
| 775 |
if (value & ~0xfffc) |
| 776 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 777 |
"wrong value written into PLL 1\n");
|
| 778 |
#endif
|
| 779 |
return;
|
| 780 |
|
| 781 |
case 0x1c: /* PLL Programmability 2 */ |
| 782 |
s->pll[1] = value & 0xfffc; |
| 783 |
#ifdef TSC_VERBOSE
|
| 784 |
if (value & ~0xfffc) |
| 785 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 786 |
"wrong value written into PLL 2\n");
|
| 787 |
#endif
|
| 788 |
return;
|
| 789 |
|
| 790 |
case 0x1d: /* Audio Control 4 */ |
| 791 |
s->softstep = !(value & 0x4000);
|
| 792 |
#ifdef TSC_VERBOSE
|
| 793 |
if (value & ~0x4000) |
| 794 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 795 |
"wrong value written into Audio 4\n");
|
| 796 |
#endif
|
| 797 |
return;
|
| 798 |
|
| 799 |
default:
|
| 800 |
#ifdef TSC_VERBOSE
|
| 801 |
fprintf(stderr, "tsc2102_audio_register_write: "
|
| 802 |
"no such register: 0x%02x\n", reg);
|
| 803 |
#endif
|
| 804 |
} |
| 805 |
} |
| 806 |
|
| 807 |
/* This handles most of the chip logic. */
|
| 808 |
static void tsc210x_pin_update(struct tsc210x_state_s *s) |
| 809 |
{
|
| 810 |
int64_t expires; |
| 811 |
int pin_state;
|
| 812 |
|
| 813 |
switch (s->pin_func) {
|
| 814 |
case 0: |
| 815 |
pin_state = s->pressure; |
| 816 |
break;
|
| 817 |
case 1: |
| 818 |
pin_state = !!s->dav; |
| 819 |
break;
|
| 820 |
case 2: |
| 821 |
default:
|
| 822 |
pin_state = s->pressure && !s->dav; |
| 823 |
} |
| 824 |
|
| 825 |
if (!s->enabled)
|
| 826 |
pin_state = 0;
|
| 827 |
|
| 828 |
if (pin_state != s->irq) {
|
| 829 |
s->irq = pin_state; |
| 830 |
qemu_set_irq(s->pint, !s->irq); |
| 831 |
} |
| 832 |
|
| 833 |
switch (s->nextfunction) {
|
| 834 |
case TSC_MODE_XY_SCAN:
|
| 835 |
case TSC_MODE_XYZ_SCAN:
|
| 836 |
if (!s->pressure)
|
| 837 |
return;
|
| 838 |
break;
|
| 839 |
|
| 840 |
case TSC_MODE_X:
|
| 841 |
case TSC_MODE_Y:
|
| 842 |
case TSC_MODE_Z:
|
| 843 |
if (!s->pressure)
|
| 844 |
return;
|
| 845 |
/* Fall through */
|
| 846 |
case TSC_MODE_BAT1:
|
| 847 |
case TSC_MODE_BAT2:
|
| 848 |
case TSC_MODE_AUX:
|
| 849 |
case TSC_MODE_TEMP1:
|
| 850 |
case TSC_MODE_TEMP2:
|
| 851 |
if (s->dav)
|
| 852 |
s->enabled = 0;
|
| 853 |
break;
|
| 854 |
|
| 855 |
case TSC_MODE_AUX_SCAN:
|
| 856 |
case TSC_MODE_PORT_SCAN:
|
| 857 |
break;
|
| 858 |
|
| 859 |
case TSC_MODE_NO_SCAN:
|
| 860 |
case TSC_MODE_XX_DRV:
|
| 861 |
case TSC_MODE_YY_DRV:
|
| 862 |
case TSC_MODE_YX_DRV:
|
| 863 |
default:
|
| 864 |
return;
|
| 865 |
} |
| 866 |
|
| 867 |
if (!s->enabled || s->busy || s->dav)
|
| 868 |
return;
|
| 869 |
|
| 870 |
s->busy = 1;
|
| 871 |
s->precision = s->nextprecision; |
| 872 |
s->function = s->nextfunction; |
| 873 |
expires = qemu_get_clock(vm_clock) + (ticks_per_sec >> 10);
|
| 874 |
qemu_mod_timer(s->timer, expires); |
| 875 |
} |
| 876 |
|
| 877 |
static uint16_t tsc210x_read(struct tsc210x_state_s *s) |
| 878 |
{
|
| 879 |
uint16_t ret = 0x0000;
|
| 880 |
|
| 881 |
if (!s->command)
|
| 882 |
fprintf(stderr, "tsc210x_read: SPI underrun!\n");
|
| 883 |
|
| 884 |
switch (s->page) {
|
| 885 |
case TSC_DATA_REGISTERS_PAGE:
|
| 886 |
ret = tsc2102_data_register_read(s, s->offset); |
| 887 |
if (!s->dav)
|
| 888 |
qemu_irq_raise(s->davint); |
| 889 |
break;
|
| 890 |
case TSC_CONTROL_REGISTERS_PAGE:
|
| 891 |
ret = tsc2102_control_register_read(s, s->offset); |
| 892 |
break;
|
| 893 |
case TSC_AUDIO_REGISTERS_PAGE:
|
| 894 |
ret = tsc2102_audio_register_read(s, s->offset); |
| 895 |
break;
|
| 896 |
default:
|
| 897 |
cpu_abort(cpu_single_env, "tsc210x_read: wrong memory page\n");
|
| 898 |
} |
| 899 |
|
| 900 |
tsc210x_pin_update(s); |
| 901 |
|
| 902 |
/* Allow sequential reads. */
|
| 903 |
s->offset ++; |
| 904 |
s->state = 0;
|
| 905 |
return ret;
|
| 906 |
} |
| 907 |
|
| 908 |
static void tsc210x_write(struct tsc210x_state_s *s, uint16_t value) |
| 909 |
{
|
| 910 |
/*
|
| 911 |
* This is a two-state state machine for reading
|
| 912 |
* command and data every second time.
|
| 913 |
*/
|
| 914 |
if (!s->state) {
|
| 915 |
s->command = value >> 15;
|
| 916 |
s->page = (value >> 11) & 0x0f; |
| 917 |
s->offset = (value >> 5) & 0x3f; |
| 918 |
s->state = 1;
|
| 919 |
} else {
|
| 920 |
if (s->command)
|
| 921 |
fprintf(stderr, "tsc210x_write: SPI overrun!\n");
|
| 922 |
else
|
| 923 |
switch (s->page) {
|
| 924 |
case TSC_DATA_REGISTERS_PAGE:
|
| 925 |
tsc2102_data_register_write(s, s->offset, value); |
| 926 |
break;
|
| 927 |
case TSC_CONTROL_REGISTERS_PAGE:
|
| 928 |
tsc2102_control_register_write(s, s->offset, value); |
| 929 |
break;
|
| 930 |
case TSC_AUDIO_REGISTERS_PAGE:
|
| 931 |
tsc2102_audio_register_write(s, s->offset, value); |
| 932 |
break;
|
| 933 |
default:
|
| 934 |
cpu_abort(cpu_single_env, |
| 935 |
"tsc210x_write: wrong memory page\n");
|
| 936 |
} |
| 937 |
|
| 938 |
tsc210x_pin_update(s); |
| 939 |
s->state = 0;
|
| 940 |
} |
| 941 |
} |
| 942 |
|
| 943 |
uint32_t tsc210x_txrx(void *opaque, uint32_t value, int len) |
| 944 |
{
|
| 945 |
struct tsc210x_state_s *s = opaque;
|
| 946 |
uint32_t ret = 0;
|
| 947 |
|
| 948 |
if (len != 16) |
| 949 |
cpu_abort(cpu_single_env, "%s: FIXME: bad SPI word width %i\n",
|
| 950 |
__FUNCTION__, len); |
| 951 |
|
| 952 |
/* TODO: sequential reads etc - how do we make sure the host doesn't
|
| 953 |
* unintentionally read out a conversion result from a register while
|
| 954 |
* transmitting the command word of the next command? */
|
| 955 |
if (!value || (s->state && s->command))
|
| 956 |
ret = tsc210x_read(s); |
| 957 |
if (value || (s->state && !s->command))
|
| 958 |
tsc210x_write(s, value); |
| 959 |
|
| 960 |
return ret;
|
| 961 |
} |
| 962 |
|
| 963 |
static void tsc210x_timer_tick(void *opaque) |
| 964 |
{
|
| 965 |
struct tsc210x_state_s *s = opaque;
|
| 966 |
|
| 967 |
/* Timer ticked -- a set of conversions has been finished. */
|
| 968 |
|
| 969 |
if (!s->busy)
|
| 970 |
return;
|
| 971 |
|
| 972 |
s->busy = 0;
|
| 973 |
s->dav |= mode_regs[s->function]; |
| 974 |
tsc210x_pin_update(s); |
| 975 |
qemu_irq_lower(s->davint); |
| 976 |
} |
| 977 |
|
| 978 |
static void tsc210x_touchscreen_event(void *opaque, |
| 979 |
int x, int y, int z, int buttons_state) |
| 980 |
{
|
| 981 |
struct tsc210x_state_s *s = opaque;
|
| 982 |
int p = s->pressure;
|
| 983 |
|
| 984 |
if (buttons_state) {
|
| 985 |
s->x = x; |
| 986 |
s->y = y; |
| 987 |
} |
| 988 |
s->pressure = !!buttons_state; |
| 989 |
|
| 990 |
/*
|
| 991 |
* Note: We would get better responsiveness in the guest by
|
| 992 |
* signaling TS events immediately, but for now we simulate
|
| 993 |
* the first conversion delay for sake of correctness.
|
| 994 |
*/
|
| 995 |
if (p != s->pressure)
|
| 996 |
tsc210x_pin_update(s); |
| 997 |
} |
| 998 |
|
| 999 |
static void tsc210x_i2s_swallow(struct tsc210x_state_s *s) |
| 1000 |
{
|
| 1001 |
if (s->dac_voice[0]) |
| 1002 |
tsc210x_out_flush(s, s->codec.out.len); |
| 1003 |
else
|
| 1004 |
s->codec.out.len = 0;
|
| 1005 |
} |
| 1006 |
|
| 1007 |
static void tsc210x_i2s_set_rate(struct tsc210x_state_s *s, int in, int out) |
| 1008 |
{
|
| 1009 |
s->i2s_tx_rate = out; |
| 1010 |
s->i2s_rx_rate = in; |
| 1011 |
} |
| 1012 |
|
| 1013 |
static void tsc210x_save(QEMUFile *f, void *opaque) |
| 1014 |
{
|
| 1015 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) opaque; |
| 1016 |
int64_t now = qemu_get_clock(vm_clock); |
| 1017 |
int i;
|
| 1018 |
|
| 1019 |
qemu_put_be16(f, s->x); |
| 1020 |
qemu_put_be16(f, s->y); |
| 1021 |
qemu_put_byte(f, s->pressure); |
| 1022 |
|
| 1023 |
qemu_put_byte(f, s->state); |
| 1024 |
qemu_put_byte(f, s->page); |
| 1025 |
qemu_put_byte(f, s->offset); |
| 1026 |
qemu_put_byte(f, s->command); |
| 1027 |
|
| 1028 |
qemu_put_byte(f, s->irq); |
| 1029 |
qemu_put_be16s(f, &s->dav); |
| 1030 |
|
| 1031 |
qemu_put_timer(f, s->timer); |
| 1032 |
qemu_put_byte(f, s->enabled); |
| 1033 |
qemu_put_byte(f, s->host_mode); |
| 1034 |
qemu_put_byte(f, s->function); |
| 1035 |
qemu_put_byte(f, s->nextfunction); |
| 1036 |
qemu_put_byte(f, s->precision); |
| 1037 |
qemu_put_byte(f, s->nextprecision); |
| 1038 |
qemu_put_byte(f, s->filter); |
| 1039 |
qemu_put_byte(f, s->pin_func); |
| 1040 |
qemu_put_byte(f, s->ref); |
| 1041 |
qemu_put_byte(f, s->timing); |
| 1042 |
qemu_put_be32(f, s->noise); |
| 1043 |
|
| 1044 |
qemu_put_be16s(f, &s->audio_ctrl1); |
| 1045 |
qemu_put_be16s(f, &s->audio_ctrl2); |
| 1046 |
qemu_put_be16s(f, &s->audio_ctrl3); |
| 1047 |
qemu_put_be16s(f, &s->pll[0]);
|
| 1048 |
qemu_put_be16s(f, &s->pll[1]);
|
| 1049 |
qemu_put_be16s(f, &s->volume); |
| 1050 |
qemu_put_sbe64(f, (s->volume_change - now)); |
| 1051 |
qemu_put_sbe64(f, (s->powerdown - now)); |
| 1052 |
qemu_put_byte(f, s->softstep); |
| 1053 |
qemu_put_be16s(f, &s->dac_power); |
| 1054 |
|
| 1055 |
for (i = 0; i < 0x14; i ++) |
| 1056 |
qemu_put_be16s(f, &s->filter_data[i]); |
| 1057 |
} |
| 1058 |
|
| 1059 |
static int tsc210x_load(QEMUFile *f, void *opaque, int version_id) |
| 1060 |
{
|
| 1061 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) opaque; |
| 1062 |
int64_t now = qemu_get_clock(vm_clock); |
| 1063 |
int i;
|
| 1064 |
|
| 1065 |
s->x = qemu_get_be16(f); |
| 1066 |
s->y = qemu_get_be16(f); |
| 1067 |
s->pressure = qemu_get_byte(f); |
| 1068 |
|
| 1069 |
s->state = qemu_get_byte(f); |
| 1070 |
s->page = qemu_get_byte(f); |
| 1071 |
s->offset = qemu_get_byte(f); |
| 1072 |
s->command = qemu_get_byte(f); |
| 1073 |
|
| 1074 |
s->irq = qemu_get_byte(f); |
| 1075 |
qemu_get_be16s(f, &s->dav); |
| 1076 |
|
| 1077 |
qemu_get_timer(f, s->timer); |
| 1078 |
s->enabled = qemu_get_byte(f); |
| 1079 |
s->host_mode = qemu_get_byte(f); |
| 1080 |
s->function = qemu_get_byte(f); |
| 1081 |
s->nextfunction = qemu_get_byte(f); |
| 1082 |
s->precision = qemu_get_byte(f); |
| 1083 |
s->nextprecision = qemu_get_byte(f); |
| 1084 |
s->filter = qemu_get_byte(f); |
| 1085 |
s->pin_func = qemu_get_byte(f); |
| 1086 |
s->ref = qemu_get_byte(f); |
| 1087 |
s->timing = qemu_get_byte(f); |
| 1088 |
s->noise = qemu_get_be32(f); |
| 1089 |
|
| 1090 |
qemu_get_be16s(f, &s->audio_ctrl1); |
| 1091 |
qemu_get_be16s(f, &s->audio_ctrl2); |
| 1092 |
qemu_get_be16s(f, &s->audio_ctrl3); |
| 1093 |
qemu_get_be16s(f, &s->pll[0]);
|
| 1094 |
qemu_get_be16s(f, &s->pll[1]);
|
| 1095 |
qemu_get_be16s(f, &s->volume); |
| 1096 |
s->volume_change = qemu_get_sbe64(f) + now; |
| 1097 |
s->powerdown = qemu_get_sbe64(f) + now; |
| 1098 |
s->softstep = qemu_get_byte(f); |
| 1099 |
qemu_get_be16s(f, &s->dac_power); |
| 1100 |
|
| 1101 |
for (i = 0; i < 0x14; i ++) |
| 1102 |
qemu_get_be16s(f, &s->filter_data[i]); |
| 1103 |
|
| 1104 |
s->busy = qemu_timer_pending(s->timer); |
| 1105 |
qemu_set_irq(s->pint, !s->irq); |
| 1106 |
qemu_set_irq(s->davint, !s->dav); |
| 1107 |
|
| 1108 |
return 0; |
| 1109 |
} |
| 1110 |
|
| 1111 |
struct uwire_slave_s *tsc2102_init(qemu_irq pint, AudioState *audio)
|
| 1112 |
{
|
| 1113 |
struct tsc210x_state_s *s;
|
| 1114 |
|
| 1115 |
s = (struct tsc210x_state_s *)
|
| 1116 |
qemu_mallocz(sizeof(struct tsc210x_state_s)); |
| 1117 |
memset(s, 0, sizeof(struct tsc210x_state_s)); |
| 1118 |
s->x = 160;
|
| 1119 |
s->y = 160;
|
| 1120 |
s->pressure = 0;
|
| 1121 |
s->precision = s->nextprecision = 0;
|
| 1122 |
s->timer = qemu_new_timer(vm_clock, tsc210x_timer_tick, s); |
| 1123 |
s->pint = pint; |
| 1124 |
s->model = 0x2102;
|
| 1125 |
s->name = "tsc2102";
|
| 1126 |
s->audio = audio; |
| 1127 |
|
| 1128 |
s->tr[0] = 0; |
| 1129 |
s->tr[1] = 1; |
| 1130 |
s->tr[2] = 1; |
| 1131 |
s->tr[3] = 0; |
| 1132 |
s->tr[4] = 1; |
| 1133 |
s->tr[5] = 0; |
| 1134 |
s->tr[6] = 1; |
| 1135 |
s->tr[7] = 0; |
| 1136 |
|
| 1137 |
s->chip.opaque = s; |
| 1138 |
s->chip.send = (void *) tsc210x_write;
|
| 1139 |
s->chip.receive = (void *) tsc210x_read;
|
| 1140 |
|
| 1141 |
s->codec.opaque = s; |
| 1142 |
s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
|
| 1143 |
s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
|
| 1144 |
s->codec.in.fifo = s->in_fifo; |
| 1145 |
s->codec.out.fifo = s->out_fifo; |
| 1146 |
|
| 1147 |
tsc210x_reset(s); |
| 1148 |
|
| 1149 |
qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
|
| 1150 |
"QEMU TSC2102-driven Touchscreen");
|
| 1151 |
|
| 1152 |
if (s->audio)
|
| 1153 |
AUD_register_card(s->audio, s->name, &s->card); |
| 1154 |
|
| 1155 |
qemu_register_reset((void *) tsc210x_reset, s);
|
| 1156 |
register_savevm(s->name, -1, 0, |
| 1157 |
tsc210x_save, tsc210x_load, s); |
| 1158 |
|
| 1159 |
return &s->chip;
|
| 1160 |
} |
| 1161 |
|
| 1162 |
struct uwire_slave_s *tsc2301_init(qemu_irq penirq, qemu_irq kbirq,
|
| 1163 |
qemu_irq dav, AudioState *audio) |
| 1164 |
{
|
| 1165 |
struct tsc210x_state_s *s;
|
| 1166 |
|
| 1167 |
s = (struct tsc210x_state_s *)
|
| 1168 |
qemu_mallocz(sizeof(struct tsc210x_state_s)); |
| 1169 |
memset(s, 0, sizeof(struct tsc210x_state_s)); |
| 1170 |
s->x = 400;
|
| 1171 |
s->y = 240;
|
| 1172 |
s->pressure = 0;
|
| 1173 |
s->precision = s->nextprecision = 0;
|
| 1174 |
s->timer = qemu_new_timer(vm_clock, tsc210x_timer_tick, s); |
| 1175 |
s->pint = penirq; |
| 1176 |
s->kbint = kbirq; |
| 1177 |
s->davint = dav; |
| 1178 |
s->model = 0x2301;
|
| 1179 |
s->name = "tsc2301";
|
| 1180 |
s->audio = audio; |
| 1181 |
|
| 1182 |
s->tr[0] = 0; |
| 1183 |
s->tr[1] = 1; |
| 1184 |
s->tr[2] = 1; |
| 1185 |
s->tr[3] = 0; |
| 1186 |
s->tr[4] = 1; |
| 1187 |
s->tr[5] = 0; |
| 1188 |
s->tr[6] = 1; |
| 1189 |
s->tr[7] = 0; |
| 1190 |
|
| 1191 |
s->chip.opaque = s; |
| 1192 |
s->chip.send = (void *) tsc210x_write;
|
| 1193 |
s->chip.receive = (void *) tsc210x_read;
|
| 1194 |
|
| 1195 |
s->codec.opaque = s; |
| 1196 |
s->codec.tx_swallow = (void *) tsc210x_i2s_swallow;
|
| 1197 |
s->codec.set_rate = (void *) tsc210x_i2s_set_rate;
|
| 1198 |
s->codec.in.fifo = s->in_fifo; |
| 1199 |
s->codec.out.fifo = s->out_fifo; |
| 1200 |
|
| 1201 |
tsc210x_reset(s); |
| 1202 |
|
| 1203 |
qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1,
|
| 1204 |
"QEMU TSC2301-driven Touchscreen");
|
| 1205 |
|
| 1206 |
if (s->audio)
|
| 1207 |
AUD_register_card(s->audio, s->name, &s->card); |
| 1208 |
|
| 1209 |
qemu_register_reset((void *) tsc210x_reset, s);
|
| 1210 |
register_savevm(s->name, -1, 0, tsc210x_save, tsc210x_load, s); |
| 1211 |
|
| 1212 |
return &s->chip;
|
| 1213 |
} |
| 1214 |
|
| 1215 |
struct i2s_codec_s *tsc210x_codec(struct uwire_slave_s *chip) |
| 1216 |
{
|
| 1217 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) chip->opaque; |
| 1218 |
|
| 1219 |
return &s->codec;
|
| 1220 |
} |
| 1221 |
|
| 1222 |
/*
|
| 1223 |
* Use tslib generated calibration data to generate ADC input values
|
| 1224 |
* from the touchscreen. Assuming 12-bit precision was used during
|
| 1225 |
* tslib calibration.
|
| 1226 |
*/
|
| 1227 |
void tsc210x_set_transform(struct uwire_slave_s *chip, |
| 1228 |
struct mouse_transform_info_s *info)
|
| 1229 |
{
|
| 1230 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) chip->opaque; |
| 1231 |
#if 0
|
| 1232 |
int64_t ltr[8];
|
| 1233 |
|
| 1234 |
ltr[0] = (int64_t) info->a[1] * info->y;
|
| 1235 |
ltr[1] = (int64_t) info->a[4] * info->x;
|
| 1236 |
ltr[2] = (int64_t) info->a[1] * info->a[3] -
|
| 1237 |
(int64_t) info->a[4] * info->a[0];
|
| 1238 |
ltr[3] = (int64_t) info->a[2] * info->a[4] -
|
| 1239 |
(int64_t) info->a[5] * info->a[1];
|
| 1240 |
ltr[4] = (int64_t) info->a[0] * info->y;
|
| 1241 |
ltr[5] = (int64_t) info->a[3] * info->x;
|
| 1242 |
ltr[6] = (int64_t) info->a[4] * info->a[0] -
|
| 1243 |
(int64_t) info->a[1] * info->a[3];
|
| 1244 |
ltr[7] = (int64_t) info->a[2] * info->a[3] -
|
| 1245 |
(int64_t) info->a[5] * info->a[0];
|
| 1246 |
|
| 1247 |
/* Avoid integer overflow */
|
| 1248 |
s->tr[0] = ltr[0] >> 11;
|
| 1249 |
s->tr[1] = ltr[1] >> 11;
|
| 1250 |
s->tr[2] = muldiv64(ltr[2], 1, info->a[6]);
|
| 1251 |
s->tr[3] = muldiv64(ltr[3], 1 << 4, ltr[2]);
|
| 1252 |
s->tr[4] = ltr[4] >> 11;
|
| 1253 |
s->tr[5] = ltr[5] >> 11;
|
| 1254 |
s->tr[6] = muldiv64(ltr[6], 1, info->a[6]);
|
| 1255 |
s->tr[7] = muldiv64(ltr[7], 1 << 4, ltr[6]);
|
| 1256 |
#else
|
| 1257 |
|
| 1258 |
/* This version assumes touchscreen X & Y axis are parallel or
|
| 1259 |
* perpendicular to LCD's X & Y axis in some way. */
|
| 1260 |
if (abs(info->a[0]) > abs(info->a[1])) { |
| 1261 |
s->tr[0] = 0; |
| 1262 |
s->tr[1] = -info->a[6] * info->x; |
| 1263 |
s->tr[2] = info->a[0]; |
| 1264 |
s->tr[3] = -info->a[2] / info->a[0]; |
| 1265 |
s->tr[4] = info->a[6] * info->y; |
| 1266 |
s->tr[5] = 0; |
| 1267 |
s->tr[6] = info->a[4]; |
| 1268 |
s->tr[7] = -info->a[5] / info->a[4]; |
| 1269 |
} else {
|
| 1270 |
s->tr[0] = info->a[6] * info->y; |
| 1271 |
s->tr[1] = 0; |
| 1272 |
s->tr[2] = info->a[1]; |
| 1273 |
s->tr[3] = -info->a[2] / info->a[1]; |
| 1274 |
s->tr[4] = 0; |
| 1275 |
s->tr[5] = -info->a[6] * info->x; |
| 1276 |
s->tr[6] = info->a[3]; |
| 1277 |
s->tr[7] = -info->a[5] / info->a[3]; |
| 1278 |
} |
| 1279 |
|
| 1280 |
s->tr[0] >>= 11; |
| 1281 |
s->tr[1] >>= 11; |
| 1282 |
s->tr[3] <<= 4; |
| 1283 |
s->tr[4] >>= 11; |
| 1284 |
s->tr[5] >>= 11; |
| 1285 |
s->tr[7] <<= 4; |
| 1286 |
#endif
|
| 1287 |
} |
| 1288 |
|
| 1289 |
void tsc210x_key_event(struct uwire_slave_s *chip, int key, int down) |
| 1290 |
{
|
| 1291 |
struct tsc210x_state_s *s = (struct tsc210x_state_s *) chip->opaque; |
| 1292 |
|
| 1293 |
if (down)
|
| 1294 |
s->kb.down |= 1 << key;
|
| 1295 |
else
|
| 1296 |
s->kb.down &= ~(1 << key);
|
| 1297 |
|
| 1298 |
if (down && (s->kb.down & ~s->kb.mask) && !s->kb.intr) {
|
| 1299 |
s->kb.intr = 1;
|
| 1300 |
qemu_irq_lower(s->kbint); |
| 1301 |
} else if (s->kb.intr && !(s->kb.down & ~s->kb.mask) && |
| 1302 |
!(s->kb.mode & 1)) {
|
| 1303 |
s->kb.intr = 0;
|
| 1304 |
qemu_irq_raise(s->kbint); |
| 1305 |
} |
| 1306 |
} |