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vmstateify tsc2005 

I've converted the fields in it's main data structure
to fixed size types in ways that look sane.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1474977735-10156-2-git-send-email-dgilbert@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
pull/45/head
Dr. David Alan Gilbert 10 years ago
committed by Peter Maydell
parent
e9d9ee234f
commit
a321bb51fa
1 changed files with 75 additions and 115 deletions
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  1. 190
      hw/input/tsc2005.c

190
hw/input/tsc2005.c
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@ -31,30 +31,31 @@ typedef struct {
QEMUTimer *timer;
uint16_t model;
int x, y;
int pressure;
int32_t x, y;
bool pressure;
int state, reg, irq, command;
uint8_t reg, state;
bool irq, command;
uint16_t data, dav;
int busy;
int enabled;
int host_mode;
int function;
int nextfunction;
int precision;
int nextprecision;
int filter;
int pin_func;
int timing[2];
int noise;
int reset;
int pdst;
int pnd0;
bool busy;
bool enabled;
bool host_mode;
int8_t function;
int8_t nextfunction;
bool precision;
bool nextprecision;
uint16_t filter;
uint8_t pin_func;
uint16_t timing[2];
uint8_t noise;
bool reset;
bool pdst;
bool pnd0;
uint16_t temp_thr[2];
uint16_t aux_thr[2];
int tr[8];
int32_t tr[8];
} TSC2005State;
enum {
@ -149,7 +150,7 @@ static uint16_t tsc2005_read(TSC2005State *s, int reg)
ret = s->dav | (s->reset << 7) | (s->pdst << 2) | 0x0;
s->dav &= ~(mode_regs[TSC_MODE_X_TEST] | mode_regs[TSC_MODE_Y_TEST] |
mode_regs[TSC_MODE_TS_TEST]);
s->reset = 1;
s->reset = true;
return ret;
case 0x8: /* AUX high treshold */
@ -196,14 +197,14 @@ static void tsc2005_write(TSC2005State *s, int reg, uint16_t data)
break;
case 0xc: /* CFR0 */
s->host_mode = data >> 15;
s->host_mode = (data >> 15) != 0;
if (s->enabled != !(data & 0x4000)) {
s->enabled = !(data & 0x4000);
fprintf(stderr, "%s: touchscreen sense %sabled\n",
__FUNCTION__, s->enabled ? "en" : "dis");
if (s->busy && !s->enabled)
timer_del(s->timer);
s->busy &= s->enabled;
s->busy = s->busy && s->enabled;
}
s->nextprecision = (data >> 13) & 1;
s->timing[0] = data & 0x1fff;
@ -229,7 +230,7 @@ static void tsc2005_write(TSC2005State *s, int reg, uint16_t data)
static void tsc2005_pin_update(TSC2005State *s)
{
int64_t expires;
int pin_state;
bool pin_state;
switch (s->pin_func) {
case 0:
@ -253,7 +254,7 @@ static void tsc2005_pin_update(TSC2005State *s)
case TSC_MODE_XYZ_SCAN:
case TSC_MODE_XY_SCAN:
if (!s->host_mode && s->dav)
s->enabled = 0;
s->enabled = false;
if (!s->pressure)
return;
/* Fall through */
@ -273,7 +274,7 @@ static void tsc2005_pin_update(TSC2005State *s)
case TSC_MODE_Y_TEST:
case TSC_MODE_TS_TEST:
if (s->dav)
s->enabled = 0;
s->enabled = false;
break;
case TSC_MODE_RESERVED:
@ -287,7 +288,7 @@ static void tsc2005_pin_update(TSC2005State *s)
if (!s->enabled || s->busy)
return;
s->busy = 1;
s->busy = true;
s->precision = s->nextprecision;
s->function = s->nextfunction;
s->pdst = !s->pnd0; /* Synchronised on internal clock */
@ -300,17 +301,17 @@ static void tsc2005_reset(TSC2005State *s)
{
s->state = 0;
s->pin_func = 0;
s->enabled = 0;
s->busy = 0;
s->nextprecision = 0;
s->enabled = false;
s->busy = false;
s->nextprecision = false;
s->nextfunction = 0;
s->timing[0] = 0;
s->timing[1] = 0;
s->irq = 0;
s->irq = false;
s->dav = 0;
s->reset = 0;
s->pdst = 1;
s->pnd0 = 0;
s->reset = false;
s->pdst = true;
s->pnd0 = false;
s->function = -1;
s->temp_thr[0] = 0x000;
s->temp_thr[1] = 0xfff;
@ -340,7 +341,7 @@ static uint8_t tsc2005_txrx_word(void *opaque, uint8_t value)
__FUNCTION__, s->enabled ? "en" : "dis");
if (s->busy && !s->enabled)
timer_del(s->timer);
s->busy &= s->enabled;
s->busy = s->busy && s->enabled;
}
tsc2005_pin_update(s);
}
@ -407,7 +408,7 @@ static void tsc2005_timer_tick(void *opaque)
if (!s->busy)
return;
s->busy = 0;
s->busy = false;
s->dav |= mode_regs[s->function];
s->function = -1;
tsc2005_pin_update(s);
@ -434,86 +435,9 @@ static void tsc2005_touchscreen_event(void *opaque,
tsc2005_pin_update(s);
}
static void tsc2005_save(QEMUFile *f, void *opaque)
static int tsc2005_post_load(void *opaque, int version_id)
{
TSC2005State *s = (TSC2005State *) opaque;
int i;
qemu_put_be16(f, s->x);
qemu_put_be16(f, s->y);
qemu_put_byte(f, s->pressure);
qemu_put_byte(f, s->state);
qemu_put_byte(f, s->reg);
qemu_put_byte(f, s->command);
qemu_put_byte(f, s->irq);
qemu_put_be16s(f, &s->dav);
qemu_put_be16s(f, &s->data);
timer_put(f, s->timer);
qemu_put_byte(f, s->enabled);
qemu_put_byte(f, s->host_mode);
qemu_put_byte(f, s->function);
qemu_put_byte(f, s->nextfunction);
qemu_put_byte(f, s->precision);
qemu_put_byte(f, s->nextprecision);
qemu_put_be16(f, s->filter);
qemu_put_byte(f, s->pin_func);
qemu_put_be16(f, s->timing[0]);
qemu_put_be16(f, s->timing[1]);
qemu_put_be16s(f, &s->temp_thr[0]);
qemu_put_be16s(f, &s->temp_thr[1]);
qemu_put_be16s(f, &s->aux_thr[0]);
qemu_put_be16s(f, &s->aux_thr[1]);
qemu_put_be32(f, s->noise);
qemu_put_byte(f, s->reset);
qemu_put_byte(f, s->pdst);
qemu_put_byte(f, s->pnd0);
for (i = 0; i < 8; i ++)
qemu_put_be32(f, s->tr[i]);
}
static int tsc2005_load(QEMUFile *f, void *opaque, int version_id)
{
TSC2005State *s = (TSC2005State *) opaque;
int i;
s->x = qemu_get_be16(f);
s->y = qemu_get_be16(f);
s->pressure = qemu_get_byte(f);
s->state = qemu_get_byte(f);
s->reg = qemu_get_byte(f);
s->command = qemu_get_byte(f);
s->irq = qemu_get_byte(f);
qemu_get_be16s(f, &s->dav);
qemu_get_be16s(f, &s->data);
timer_get(f, s->timer);
s->enabled = qemu_get_byte(f);
s->host_mode = qemu_get_byte(f);
s->function = qemu_get_byte(f);
s->nextfunction = qemu_get_byte(f);
s->precision = qemu_get_byte(f);
s->nextprecision = qemu_get_byte(f);
s->filter = qemu_get_be16(f);
s->pin_func = qemu_get_byte(f);
s->timing[0] = qemu_get_be16(f);
s->timing[1] = qemu_get_be16(f);
qemu_get_be16s(f, &s->temp_thr[0]);
qemu_get_be16s(f, &s->temp_thr[1]);
qemu_get_be16s(f, &s->aux_thr[0]);
qemu_get_be16s(f, &s->aux_thr[1]);
s->noise = qemu_get_be32(f);
s->reset = qemu_get_byte(f);
s->pdst = qemu_get_byte(f);
s->pnd0 = qemu_get_byte(f);
for (i = 0; i < 8; i ++)
s->tr[i] = qemu_get_be32(f);
s->busy = timer_pending(s->timer);
tsc2005_pin_update(s);
@ -521,6 +445,42 @@ static int tsc2005_load(QEMUFile *f, void *opaque, int version_id)
return 0;
}
static const VMStateDescription vmstate_tsc2005 = {
.name = "tsc2005",
.version_id = 2,
.minimum_version_id = 2,
.post_load = tsc2005_post_load,
.fields = (VMStateField []) {
VMSTATE_BOOL(pressure, TSC2005State),
VMSTATE_BOOL(irq, TSC2005State),
VMSTATE_BOOL(command, TSC2005State),
VMSTATE_BOOL(enabled, TSC2005State),
VMSTATE_BOOL(host_mode, TSC2005State),
VMSTATE_BOOL(reset, TSC2005State),
VMSTATE_BOOL(pdst, TSC2005State),
VMSTATE_BOOL(pnd0, TSC2005State),
VMSTATE_BOOL(precision, TSC2005State),
VMSTATE_BOOL(nextprecision, TSC2005State),
VMSTATE_UINT8(reg, TSC2005State),
VMSTATE_UINT8(state, TSC2005State),
VMSTATE_UINT16(data, TSC2005State),
VMSTATE_UINT16(dav, TSC2005State),
VMSTATE_UINT16(filter, TSC2005State),
VMSTATE_INT8(nextfunction, TSC2005State),
VMSTATE_INT8(function, TSC2005State),
VMSTATE_INT32(x, TSC2005State),
VMSTATE_INT32(y, TSC2005State),
VMSTATE_TIMER_PTR(timer, TSC2005State),
VMSTATE_UINT8(pin_func, TSC2005State),
VMSTATE_UINT16_ARRAY(timing, TSC2005State, 2),
VMSTATE_UINT8(noise, TSC2005State),
VMSTATE_UINT16_ARRAY(temp_thr, TSC2005State, 2),
VMSTATE_UINT16_ARRAY(aux_thr, TSC2005State, 2),
VMSTATE_INT32_ARRAY(tr, TSC2005State, 8),
VMSTATE_END_OF_LIST()
}
};
void *tsc2005_init(qemu_irq pintdav)
{
TSC2005State *s;
@ -529,8 +489,8 @@ void *tsc2005_init(qemu_irq pintdav)
g_malloc0(sizeof(TSC2005State));
s->x = 400;
s->y = 240;
s->pressure = 0;
s->precision = s->nextprecision = 0;
s->pressure = false;
s->precision = s->nextprecision = false;
s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tsc2005_timer_tick, s);
s->pint = pintdav;
s->model = 0x2005;
@ -550,7 +510,7 @@ void *tsc2005_init(qemu_irq pintdav)
"QEMU TSC2005-driven Touchscreen");
qemu_register_reset((void *) tsc2005_reset, s);
register_savevm(NULL, "tsc2005", -1, 0, tsc2005_save, tsc2005_load, s);
vmstate_register(NULL, 0, &vmstate_tsc2005, s);
return s;
}

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