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author | Corey Minyard | 2021-05-18 23:08:03 +0200 |
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committer | Corey Minyard | 2021-06-17 14:10:32 +0200 |
commit | 5e9ae4b1a31a17a72487372067a78b6afa68b68d (patch) | |
tree | 3411236ff04f4ab9a028910143c1d19bf21cc00f /hw/misc/emc141x.c | |
parent | adc: Move the max111x driver to the adc directory (diff) | |
download | qemu-5e9ae4b1a31a17a72487372067a78b6afa68b68d.tar.gz qemu-5e9ae4b1a31a17a72487372067a78b6afa68b68d.tar.xz qemu-5e9ae4b1a31a17a72487372067a78b6afa68b68d.zip |
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.c | 326 |
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) |