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authorCorey Minyard2021-05-18 23:08:03 +0200
committerCorey Minyard2021-06-17 14:10:32 +0200
commit5e9ae4b1a31a17a72487372067a78b6afa68b68d (patch)
tree3411236ff04f4ab9a028910143c1d19bf21cc00f /hw/misc/emc141x.c
parentadc: Move the max111x driver to the adc directory (diff)
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sensor: Move hardware sensors from misc to a sensor directory
Lots of this are expected to be coming in, create a directory for them. Also move the tmp105.h file into the include directory where it should be. Cc: Cédric Le Goater <clg@kaod.org> Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Andrew Jeffery <andrew@aj.id.au> Cc: Joel Stanley <joel@jms.id.au> Cc: Andrzej Zaborowski <balrogg@gmail.com> Cc: qemu-arm@nongnu.org Signed-off-by: Corey Minyard <cminyard@mvista.com> Acked-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/misc/emc141x.c')
-rw-r--r--hw/misc/emc141x.c326
1 files changed, 0 insertions, 326 deletions
diff --git a/hw/misc/emc141x.c b/hw/misc/emc141x.c
deleted file mode 100644
index f7c53d48a4..0000000000
--- a/hw/misc/emc141x.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * SMSC EMC141X temperature sensor.
- *
- * Copyright (c) 2020 Bytedance Corporation
- * Written by John Wang <wangzhiqiang.bj@bytedance.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 "qemu/osdep.h"
-#include "hw/i2c/i2c.h"
-#include "migration/vmstate.h"
-#include "qapi/error.h"
-#include "qapi/visitor.h"
-#include "qemu/module.h"
-#include "qom/object.h"
-#include "hw/misc/emc141x_regs.h"
-
-#define SENSORS_COUNT_MAX 4
-
-struct EMC141XState {
- I2CSlave parent_obj;
- struct {
- uint8_t raw_temp_min;
- uint8_t raw_temp_current;
- uint8_t raw_temp_max;
- } sensor[SENSORS_COUNT_MAX];
- uint8_t len;
- uint8_t data;
- uint8_t pointer;
-};
-
-struct EMC141XClass {
- I2CSlaveClass parent_class;
- uint8_t model;
- unsigned sensors_count;
-};
-
-#define TYPE_EMC141X "emc141x"
-OBJECT_DECLARE_TYPE(EMC141XState, EMC141XClass, EMC141X)
-
-static void emc141x_get_temperature(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- EMC141XState *s = EMC141X(obj);
- EMC141XClass *sc = EMC141X_GET_CLASS(s);
- int64_t value;
- unsigned tempid;
-
- if (sscanf(name, "temperature%u", &tempid) != 1) {
- error_setg(errp, "error reading %s: %s", name, g_strerror(errno));
- return;
- }
-
- if (tempid >= sc->sensors_count) {
- error_setg(errp, "error reading %s", name);
- return;
- }
-
- value = s->sensor[tempid].raw_temp_current * 1000;
-
- visit_type_int(v, name, &value, errp);
-}
-
-static void emc141x_set_temperature(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- EMC141XState *s = EMC141X(obj);
- EMC141XClass *sc = EMC141X_GET_CLASS(s);
- int64_t temp;
- unsigned tempid;
-
- if (!visit_type_int(v, name, &temp, errp)) {
- return;
- }
-
- if (sscanf(name, "temperature%u", &tempid) != 1) {
- error_setg(errp, "error reading %s: %s", name, g_strerror(errno));
- return;
- }
-
- if (tempid >= sc->sensors_count) {
- error_setg(errp, "error reading %s", name);
- return;
- }
-
- s->sensor[tempid].raw_temp_current = temp / 1000;
-}
-
-static void emc141x_read(EMC141XState *s)
-{
- EMC141XClass *sc = EMC141X_GET_CLASS(s);
- switch (s->pointer) {
- case EMC141X_DEVICE_ID:
- s->data = sc->model;
- break;
- case EMC141X_MANUFACTURER_ID:
- s->data = MANUFACTURER_ID;
- break;
- case EMC141X_REVISION:
- s->data = REVISION;
- break;
- case EMC141X_TEMP_HIGH0:
- s->data = s->sensor[0].raw_temp_current;
- break;
- case EMC141X_TEMP_HIGH1:
- s->data = s->sensor[1].raw_temp_current;
- break;
- case EMC141X_TEMP_HIGH2:
- s->data = s->sensor[2].raw_temp_current;
- break;
- case EMC141X_TEMP_HIGH3:
- s->data = s->sensor[3].raw_temp_current;
- break;
- case EMC141X_TEMP_MAX_HIGH0:
- s->data = s->sensor[0].raw_temp_max;
- break;
- case EMC141X_TEMP_MAX_HIGH1:
- s->data = s->sensor[1].raw_temp_max;
- break;
- case EMC141X_TEMP_MAX_HIGH2:
- s->data = s->sensor[2].raw_temp_max;
- break;
- case EMC141X_TEMP_MAX_HIGH3:
- s->data = s->sensor[3].raw_temp_max;
- break;
- case EMC141X_TEMP_MIN_HIGH0:
- s->data = s->sensor[0].raw_temp_min;
- break;
- case EMC141X_TEMP_MIN_HIGH1:
- s->data = s->sensor[1].raw_temp_min;
- break;
- case EMC141X_TEMP_MIN_HIGH2:
- s->data = s->sensor[2].raw_temp_min;
- break;
- case EMC141X_TEMP_MIN_HIGH3:
- s->data = s->sensor[3].raw_temp_min;
- break;
- default:
- s->data = 0;
- }
-}
-
-static void emc141x_write(EMC141XState *s)
-{
- switch (s->pointer) {
- case EMC141X_TEMP_MAX_HIGH0:
- s->sensor[0].raw_temp_max = s->data;
- break;
- case EMC141X_TEMP_MAX_HIGH1:
- s->sensor[1].raw_temp_max = s->data;
- break;
- case EMC141X_TEMP_MAX_HIGH2:
- s->sensor[2].raw_temp_max = s->data;
- break;
- case EMC141X_TEMP_MAX_HIGH3:
- s->sensor[3].raw_temp_max = s->data;
- break;
- case EMC141X_TEMP_MIN_HIGH0:
- s->sensor[0].raw_temp_min = s->data;
- break;
- case EMC141X_TEMP_MIN_HIGH1:
- s->sensor[1].raw_temp_min = s->data;
- break;
- case EMC141X_TEMP_MIN_HIGH2:
- s->sensor[2].raw_temp_min = s->data;
- break;
- case EMC141X_TEMP_MIN_HIGH3:
- s->sensor[3].raw_temp_min = s->data;
- break;
- default:
- s->data = 0;
- }
-}
-
-static uint8_t emc141x_rx(I2CSlave *i2c)
-{
- EMC141XState *s = EMC141X(i2c);
-
- if (s->len == 0) {
- s->len++;
- return s->data;
- } else {
- return 0xff;
- }
-}
-
-static int emc141x_tx(I2CSlave *i2c, uint8_t data)
-{
- EMC141XState *s = EMC141X(i2c);
-
- if (s->len == 0) {
- /* first byte is the reg pointer */
- s->pointer = data;
- s->len++;
- } else if (s->len == 1) {
- s->data = data;
- emc141x_write(s);
- }
-
- return 0;
-}
-
-static int emc141x_event(I2CSlave *i2c, enum i2c_event event)
-{
- EMC141XState *s = EMC141X(i2c);
-
- if (event == I2C_START_RECV) {
- emc141x_read(s);
- }
-
- s->len = 0;
- return 0;
-}
-
-static const VMStateDescription vmstate_emc141x = {
- .name = "EMC141X",
- .version_id = 0,
- .minimum_version_id = 0,
- .fields = (VMStateField[]) {
- VMSTATE_UINT8(len, EMC141XState),
- VMSTATE_UINT8(data, EMC141XState),
- VMSTATE_UINT8(pointer, EMC141XState),
- VMSTATE_I2C_SLAVE(parent_obj, EMC141XState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void emc141x_reset(DeviceState *dev)
-{
- EMC141XState *s = EMC141X(dev);
- int i;
-
- for (i = 0; i < SENSORS_COUNT_MAX; i++) {
- s->sensor[i].raw_temp_max = 0x55;
- }
- s->pointer = 0;
- s->len = 0;
-}
-
-static void emc141x_initfn(Object *obj)
-{
- object_property_add(obj, "temperature0", "int",
- emc141x_get_temperature,
- emc141x_set_temperature, NULL, NULL);
- object_property_add(obj, "temperature1", "int",
- emc141x_get_temperature,
- emc141x_set_temperature, NULL, NULL);
- object_property_add(obj, "temperature2", "int",
- emc141x_get_temperature,
- emc141x_set_temperature, NULL, NULL);
- object_property_add(obj, "temperature3", "int",
- emc141x_get_temperature,
- emc141x_set_temperature, NULL, NULL);
-}
-
-static void emc141x_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
-
- dc->reset = emc141x_reset;
- k->event = emc141x_event;
- k->recv = emc141x_rx;
- k->send = emc141x_tx;
- dc->vmsd = &vmstate_emc141x;
-}
-
-static void emc1413_class_init(ObjectClass *klass, void *data)
-{
- EMC141XClass *ec = EMC141X_CLASS(klass);
-
- emc141x_class_init(klass, data);
- ec->model = EMC1413_DEVICE_ID;
- ec->sensors_count = 3;
-}
-
-static void emc1414_class_init(ObjectClass *klass, void *data)
-{
- EMC141XClass *ec = EMC141X_CLASS(klass);
-
- emc141x_class_init(klass, data);
- ec->model = EMC1414_DEVICE_ID;
- ec->sensors_count = 4;
-}
-
-static const TypeInfo emc141x_info = {
- .name = TYPE_EMC141X,
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(EMC141XState),
- .class_size = sizeof(EMC141XClass),
- .instance_init = emc141x_initfn,
- .abstract = true,
-};
-
-static const TypeInfo emc1413_info = {
- .name = "emc1413",
- .parent = TYPE_EMC141X,
- .class_init = emc1413_class_init,
-};
-
-static const TypeInfo emc1414_info = {
- .name = "emc1414",
- .parent = TYPE_EMC141X,
- .class_init = emc1414_class_init,
-};
-
-static void emc141x_register_types(void)
-{
- type_register_static(&emc141x_info);
- type_register_static(&emc1413_info);
- type_register_static(&emc1414_info);
-}
-
-type_init(emc141x_register_types)