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-rw-r--r--hw/tmp105.c269
1 files changed, 0 insertions, 269 deletions
diff --git a/hw/tmp105.c b/hw/tmp105.c
deleted file mode 100644
index 47e5437e0d..0000000000
--- a/hw/tmp105.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * Texas Instruments TMP105 temperature sensor.
- *
- * Copyright (C) 2008 Nokia Corporation
- * Written by Andrzej Zaborowski <andrew@openedhand.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 or
- * (at your option) version 3 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "hw/hw.h"
-#include "hw/i2c.h"
-#include "hw/tmp105.h"
-#include "qapi/visitor.h"
-
-static void tmp105_interrupt_update(TMP105State *s)
-{
- qemu_set_irq(s->pin, s->alarm ^ ((~s->config >> 2) & 1)); /* POL */
-}
-
-static void tmp105_alarm_update(TMP105State *s)
-{
- if ((s->config >> 0) & 1) { /* SD */
- if ((s->config >> 7) & 1) /* OS */
- s->config &= ~(1 << 7); /* OS */
- else
- return;
- }
-
- if ((s->config >> 1) & 1) { /* TM */
- if (s->temperature >= s->limit[1])
- s->alarm = 1;
- else if (s->temperature < s->limit[0])
- s->alarm = 1;
- } else {
- if (s->temperature >= s->limit[1])
- s->alarm = 1;
- else if (s->temperature < s->limit[0])
- s->alarm = 0;
- }
-
- tmp105_interrupt_update(s);
-}
-
-static void tmp105_get_temperature(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **errp)
-{
- TMP105State *s = TMP105(obj);
- int64_t value = s->temperature;
-
- visit_type_int(v, &value, name, errp);
-}
-
-/* Units are 0.001 centigrades relative to 0 C. */
-static void tmp105_set_temperature(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **errp)
-{
- TMP105State *s = TMP105(obj);
- int64_t temp;
-
- visit_type_int(v, &temp, name, errp);
- if (error_is_set(errp)) {
- return;
- }
- if (temp >= 128000 || temp < -128000) {
- error_setg(errp, "value %" PRId64 ".%03" PRIu64 " °C is out of range",
- temp / 1000, temp % 1000);
- return;
- }
-
- s->temperature = ((int16_t) (temp * 0x800 / 128000)) << 4;
-
- tmp105_alarm_update(s);
-}
-
-static const int tmp105_faultq[4] = { 1, 2, 4, 6 };
-
-static void tmp105_read(TMP105State *s)
-{
- s->len = 0;
-
- if ((s->config >> 1) & 1) { /* TM */
- s->alarm = 0;
- tmp105_interrupt_update(s);
- }
-
- switch (s->pointer & 3) {
- case TMP105_REG_TEMPERATURE:
- s->buf[s->len ++] = (((uint16_t) s->temperature) >> 8);
- s->buf[s->len ++] = (((uint16_t) s->temperature) >> 0) &
- (0xf0 << ((~s->config >> 5) & 3)); /* R */
- break;
-
- case TMP105_REG_CONFIG:
- s->buf[s->len ++] = s->config;
- break;
-
- case TMP105_REG_T_LOW:
- s->buf[s->len ++] = ((uint16_t) s->limit[0]) >> 8;
- s->buf[s->len ++] = ((uint16_t) s->limit[0]) >> 0;
- break;
-
- case TMP105_REG_T_HIGH:
- s->buf[s->len ++] = ((uint16_t) s->limit[1]) >> 8;
- s->buf[s->len ++] = ((uint16_t) s->limit[1]) >> 0;
- break;
- }
-}
-
-static void tmp105_write(TMP105State *s)
-{
- switch (s->pointer & 3) {
- case TMP105_REG_TEMPERATURE:
- break;
-
- case TMP105_REG_CONFIG:
- if (s->buf[0] & ~s->config & (1 << 0)) /* SD */
- printf("%s: TMP105 shutdown\n", __FUNCTION__);
- s->config = s->buf[0];
- s->faults = tmp105_faultq[(s->config >> 3) & 3]; /* F */
- tmp105_alarm_update(s);
- break;
-
- case TMP105_REG_T_LOW:
- case TMP105_REG_T_HIGH:
- if (s->len >= 3)
- s->limit[s->pointer & 1] = (int16_t)
- ((((uint16_t) s->buf[0]) << 8) | s->buf[1]);
- tmp105_alarm_update(s);
- break;
- }
-}
-
-static int tmp105_rx(I2CSlave *i2c)
-{
- TMP105State *s = TMP105(i2c);
-
- if (s->len < 2) {
- return s->buf[s->len ++];
- } else {
- return 0xff;
- }
-}
-
-static int tmp105_tx(I2CSlave *i2c, uint8_t data)
-{
- TMP105State *s = TMP105(i2c);
-
- if (s->len == 0) {
- s->pointer = data;
- s->len++;
- } else {
- if (s->len <= 2) {
- s->buf[s->len - 1] = data;
- }
- s->len++;
- tmp105_write(s);
- }
-
- return 0;
-}
-
-static void tmp105_event(I2CSlave *i2c, enum i2c_event event)
-{
- TMP105State *s = TMP105(i2c);
-
- if (event == I2C_START_RECV) {
- tmp105_read(s);
- }
-
- s->len = 0;
-}
-
-static int tmp105_post_load(void *opaque, int version_id)
-{
- TMP105State *s = opaque;
-
- s->faults = tmp105_faultq[(s->config >> 3) & 3]; /* F */
-
- tmp105_interrupt_update(s);
- return 0;
-}
-
-static const VMStateDescription vmstate_tmp105 = {
- .name = "TMP105",
- .version_id = 0,
- .minimum_version_id = 0,
- .minimum_version_id_old = 0,
- .post_load = tmp105_post_load,
- .fields = (VMStateField []) {
- VMSTATE_UINT8(len, TMP105State),
- VMSTATE_UINT8_ARRAY(buf, TMP105State, 2),
- VMSTATE_UINT8(pointer, TMP105State),
- VMSTATE_UINT8(config, TMP105State),
- VMSTATE_INT16(temperature, TMP105State),
- VMSTATE_INT16_ARRAY(limit, TMP105State, 2),
- VMSTATE_UINT8(alarm, TMP105State),
- VMSTATE_I2C_SLAVE(i2c, TMP105State),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void tmp105_reset(I2CSlave *i2c)
-{
- TMP105State *s = TMP105(i2c);
-
- s->temperature = 0;
- s->pointer = 0;
- s->config = 0;
- s->faults = tmp105_faultq[(s->config >> 3) & 3];
- s->alarm = 0;
-
- tmp105_interrupt_update(s);
-}
-
-static int tmp105_init(I2CSlave *i2c)
-{
- TMP105State *s = TMP105(i2c);
-
- qdev_init_gpio_out(&i2c->qdev, &s->pin, 1);
-
- tmp105_reset(&s->i2c);
-
- return 0;
-}
-
-static void tmp105_initfn(Object *obj)
-{
- object_property_add(obj, "temperature", "int",
- tmp105_get_temperature,
- tmp105_set_temperature, NULL, NULL, NULL);
-}
-
-static void tmp105_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
-
- k->init = tmp105_init;
- k->event = tmp105_event;
- k->recv = tmp105_rx;
- k->send = tmp105_tx;
- dc->vmsd = &vmstate_tmp105;
-}
-
-static const TypeInfo tmp105_info = {
- .name = TYPE_TMP105,
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(TMP105State),
- .instance_init = tmp105_initfn,
- .class_init = tmp105_class_init,
-};
-
-static void tmp105_register_types(void)
-{
- type_register_static(&tmp105_info);
-}
-
-type_init(tmp105_register_types)
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-09 04:16:38 +0000