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Thu, 10 Dec 2020 12:51:19 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 281B0A404D; Thu, 10 Dec 2020 12:51:19 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BD528A405B; Thu, 10 Dec 2020 12:51:18 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av23.portsmouth.uk.ibm.com (Postfix) with SMTP; Thu, 10 Dec 2020 12:51:18 +0000 (GMT) Received: from yukon.ibmuc.com (sig-9-145-158-23.de.ibm.com [9.145.158.23]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id CFA03220188; Thu, 10 Dec 2020 13:51:17 +0100 (CET) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: Peter Maydell Subject: [PULL 1/5] hw/misc: add an EMC141{3,4} device model Date: Thu, 10 Dec 2020 13:51:11 +0100 Message-Id: <20201210125115.1812083-2-clg@kaod.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201210125115.1812083-1-clg@kaod.org> References: <20201210125115.1812083-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2020-12-10_05:2020-12-09, 2020-12-10 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 phishscore=0 malwarescore=0 spamscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 adultscore=0 clxscore=1034 impostorscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012100080 Received-SPF: softfail client-ip=148.163.156.1; envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Jeffery , qemu-devel@nongnu.org, John Wang , Joel Stanley , qemu-arm@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: John Wang Largely inspired by the TMP421 temperature sensor, here is a model for the EMC1413/EMC1414 temperature sensors. Specs can be found here : http://ww1.microchip.com/downloads/en/DeviceDoc/20005274A.pdf Cc: Philippe Mathieu-Daud=C3=A9 Signed-off-by: John Wang Reviewed-by: C=C3=A9dric Le Goater Message-Id: <20201122105134.671-1-wangzhiqiang.bj@bytedance.com> Signed-off-by: C=C3=A9dric Le Goater --- include/hw/misc/emc141x_regs.h | 37 ++++ hw/misc/emc141x.c | 326 +++++++++++++++++++++++++++++++++ tests/qtest/emc141x-test.c | 81 ++++++++ hw/arm/Kconfig | 1 + hw/misc/Kconfig | 4 + hw/misc/meson.build | 1 + tests/qtest/meson.build | 1 + 7 files changed, 451 insertions(+) create mode 100644 include/hw/misc/emc141x_regs.h create mode 100644 hw/misc/emc141x.c create mode 100644 tests/qtest/emc141x-test.c diff --git a/include/hw/misc/emc141x_regs.h b/include/hw/misc/emc141x_reg= s.h new file mode 100644 index 000000000000..0560fb7c5c1e --- /dev/null +++ b/include/hw/misc/emc141x_regs.h @@ -0,0 +1,37 @@ +/* + * SMSC EMC141X temperature sensor. + * + * Browse the data sheet: + * + * http://ww1.microchip.com/downloads/en/DeviceDoc/20005274A.pdf + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * later. See the COPYING file in the top-level directory. + */ + +#ifndef TMP105_REGS_H +#define TMP105_REGS_H + +#define EMC1413_DEVICE_ID 0x21 +#define EMC1414_DEVICE_ID 0x25 +#define MANUFACTURER_ID 0x5d +#define REVISION 0x04 + +/* the EMC141X registers */ +#define EMC141X_TEMP_HIGH0 0x00 +#define EMC141X_TEMP_HIGH1 0x01 +#define EMC141X_TEMP_HIGH2 0x23 +#define EMC141X_TEMP_HIGH3 0x2a +#define EMC141X_TEMP_MAX_HIGH0 0x05 +#define EMC141X_TEMP_MIN_HIGH0 0x06 +#define EMC141X_TEMP_MAX_HIGH1 0x07 +#define EMC141X_TEMP_MIN_HIGH1 0x08 +#define EMC141X_TEMP_MAX_HIGH2 0x15 +#define EMC141X_TEMP_MIN_HIGH2 0x16 +#define EMC141X_TEMP_MAX_HIGH3 0x2c +#define EMC141X_TEMP_MIN_HIGH3 0x2d +#define EMC141X_DEVICE_ID 0xfd +#define EMC141X_MANUFACTURER_ID 0xfe +#define EMC141X_REVISION 0xff + +#endif diff --git a/hw/misc/emc141x.c b/hw/misc/emc141x.c new file mode 100644 index 000000000000..f7c53d48a421 --- /dev/null +++ b/hw/misc/emc141x.c @@ -0,0 +1,326 @@ +/* + * SMSC EMC141X temperature sensor. + * + * Copyright (c) 2020 Bytedance Corporation + * Written by John Wang + * + * 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 alo= ng + * with this program; if not, see . + */ + +#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 =3D EMC141X(obj); + EMC141XClass *sc =3D EMC141X_GET_CLASS(s); + int64_t value; + unsigned tempid; + + if (sscanf(name, "temperature%u", &tempid) !=3D 1) { + error_setg(errp, "error reading %s: %s", name, g_strerror(errno)= ); + return; + } + + if (tempid >=3D sc->sensors_count) { + error_setg(errp, "error reading %s", name); + return; + } + + value =3D 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 =3D EMC141X(obj); + EMC141XClass *sc =3D EMC141X_GET_CLASS(s); + int64_t temp; + unsigned tempid; + + if (!visit_type_int(v, name, &temp, errp)) { + return; + } + + if (sscanf(name, "temperature%u", &tempid) !=3D 1) { + error_setg(errp, "error reading %s: %s", name, g_strerror(errno)= ); + return; + } + + if (tempid >=3D sc->sensors_count) { + error_setg(errp, "error reading %s", name); + return; + } + + s->sensor[tempid].raw_temp_current =3D temp / 1000; +} + +static void emc141x_read(EMC141XState *s) +{ + EMC141XClass *sc =3D EMC141X_GET_CLASS(s); + switch (s->pointer) { + case EMC141X_DEVICE_ID: + s->data =3D sc->model; + break; + case EMC141X_MANUFACTURER_ID: + s->data =3D MANUFACTURER_ID; + break; + case EMC141X_REVISION: + s->data =3D REVISION; + break; + case EMC141X_TEMP_HIGH0: + s->data =3D s->sensor[0].raw_temp_current; + break; + case EMC141X_TEMP_HIGH1: + s->data =3D s->sensor[1].raw_temp_current; + break; + case EMC141X_TEMP_HIGH2: + s->data =3D s->sensor[2].raw_temp_current; + break; + case EMC141X_TEMP_HIGH3: + s->data =3D s->sensor[3].raw_temp_current; + break; + case EMC141X_TEMP_MAX_HIGH0: + s->data =3D s->sensor[0].raw_temp_max; + break; + case EMC141X_TEMP_MAX_HIGH1: + s->data =3D s->sensor[1].raw_temp_max; + break; + case EMC141X_TEMP_MAX_HIGH2: + s->data =3D s->sensor[2].raw_temp_max; + break; + case EMC141X_TEMP_MAX_HIGH3: + s->data =3D s->sensor[3].raw_temp_max; + break; + case EMC141X_TEMP_MIN_HIGH0: + s->data =3D s->sensor[0].raw_temp_min; + break; + case EMC141X_TEMP_MIN_HIGH1: + s->data =3D s->sensor[1].raw_temp_min; + break; + case EMC141X_TEMP_MIN_HIGH2: + s->data =3D s->sensor[2].raw_temp_min; + break; + case EMC141X_TEMP_MIN_HIGH3: + s->data =3D s->sensor[3].raw_temp_min; + break; + default: + s->data =3D 0; + } +} + +static void emc141x_write(EMC141XState *s) +{ + switch (s->pointer) { + case EMC141X_TEMP_MAX_HIGH0: + s->sensor[0].raw_temp_max =3D s->data; + break; + case EMC141X_TEMP_MAX_HIGH1: + s->sensor[1].raw_temp_max =3D s->data; + break; + case EMC141X_TEMP_MAX_HIGH2: + s->sensor[2].raw_temp_max =3D s->data; + break; + case EMC141X_TEMP_MAX_HIGH3: + s->sensor[3].raw_temp_max =3D s->data; + break; + case EMC141X_TEMP_MIN_HIGH0: + s->sensor[0].raw_temp_min =3D s->data; + break; + case EMC141X_TEMP_MIN_HIGH1: + s->sensor[1].raw_temp_min =3D s->data; + break; + case EMC141X_TEMP_MIN_HIGH2: + s->sensor[2].raw_temp_min =3D s->data; + break; + case EMC141X_TEMP_MIN_HIGH3: + s->sensor[3].raw_temp_min =3D s->data; + break; + default: + s->data =3D 0; + } +} + +static uint8_t emc141x_rx(I2CSlave *i2c) +{ + EMC141XState *s =3D EMC141X(i2c); + + if (s->len =3D=3D 0) { + s->len++; + return s->data; + } else { + return 0xff; + } +} + +static int emc141x_tx(I2CSlave *i2c, uint8_t data) +{ + EMC141XState *s =3D EMC141X(i2c); + + if (s->len =3D=3D 0) { + /* first byte is the reg pointer */ + s->pointer =3D data; + s->len++; + } else if (s->len =3D=3D 1) { + s->data =3D data; + emc141x_write(s); + } + + return 0; +} + +static int emc141x_event(I2CSlave *i2c, enum i2c_event event) +{ + EMC141XState *s =3D EMC141X(i2c); + + if (event =3D=3D I2C_START_RECV) { + emc141x_read(s); + } + + s->len =3D 0; + return 0; +} + +static const VMStateDescription vmstate_emc141x =3D { + .name =3D "EMC141X", + .version_id =3D 0, + .minimum_version_id =3D 0, + .fields =3D (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 =3D EMC141X(dev); + int i; + + for (i =3D 0; i < SENSORS_COUNT_MAX; i++) { + s->sensor[i].raw_temp_max =3D 0x55; + } + s->pointer =3D 0; + s->len =3D 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 =3D DEVICE_CLASS(klass); + I2CSlaveClass *k =3D I2C_SLAVE_CLASS(klass); + + dc->reset =3D emc141x_reset; + k->event =3D emc141x_event; + k->recv =3D emc141x_rx; + k->send =3D emc141x_tx; + dc->vmsd =3D &vmstate_emc141x; +} + +static void emc1413_class_init(ObjectClass *klass, void *data) +{ + EMC141XClass *ec =3D EMC141X_CLASS(klass); + + emc141x_class_init(klass, data); + ec->model =3D EMC1413_DEVICE_ID; + ec->sensors_count =3D 3; +} + +static void emc1414_class_init(ObjectClass *klass, void *data) +{ + EMC141XClass *ec =3D EMC141X_CLASS(klass); + + emc141x_class_init(klass, data); + ec->model =3D EMC1414_DEVICE_ID; + ec->sensors_count =3D 4; +} + +static const TypeInfo emc141x_info =3D { + .name =3D TYPE_EMC141X, + .parent =3D TYPE_I2C_SLAVE, + .instance_size =3D sizeof(EMC141XState), + .class_size =3D sizeof(EMC141XClass), + .instance_init =3D emc141x_initfn, + .abstract =3D true, +}; + +static const TypeInfo emc1413_info =3D { + .name =3D "emc1413", + .parent =3D TYPE_EMC141X, + .class_init =3D emc1413_class_init, +}; + +static const TypeInfo emc1414_info =3D { + .name =3D "emc1414", + .parent =3D TYPE_EMC141X, + .class_init =3D 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) diff --git a/tests/qtest/emc141x-test.c b/tests/qtest/emc141x-test.c new file mode 100644 index 000000000000..714058806a71 --- /dev/null +++ b/tests/qtest/emc141x-test.c @@ -0,0 +1,81 @@ +/* + * QTest testcase for the EMC141X temperature sensor + * + * This work is licensed under the terms of the GNU GPL, version 2 or la= ter. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" + +#include "libqtest-single.h" +#include "libqos/qgraph.h" +#include "libqos/i2c.h" +#include "qapi/qmp/qdict.h" +#include "hw/misc/emc141x_regs.h" + +#define EMC1414_TEST_ID "emc1414-test" + +static int qmp_emc1414_get_temperature(const char *id) +{ + QDict *response; + int ret; + + response =3D qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s,= " + "'property': 'temperature0' } }", id); + g_assert(qdict_haskey(response, "return")); + ret =3D qdict_get_int(response, "return"); + qobject_unref(response); + return ret; +} + +static void qmp_emc1414_set_temperature(const char *id, int value) +{ + QDict *response; + + response =3D qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s,= " + "'property': 'temperature0', 'value': %d } }", id, va= lue); + g_assert(qdict_haskey(response, "return")); + qobject_unref(response); +} + +static void send_and_receive(void *obj, void *data, QGuestAllocator *all= oc) +{ + uint16_t value; + QI2CDevice *i2cdev =3D (QI2CDevice *)obj; + + value =3D qmp_emc1414_get_temperature(EMC1414_TEST_ID); + g_assert_cmpuint(value, =3D=3D, 0); + + value =3D i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); + g_assert_cmphex(value, =3D=3D, 0); + + /* The default max value is 85C, 0x55=3D85 */ + value =3D i2c_get8(i2cdev, EMC141X_TEMP_MAX_HIGH0); + g_assert_cmphex(value, =3D=3D, 0x55); + + value =3D i2c_get8(i2cdev, EMC141X_TEMP_MIN_HIGH0); + g_assert_cmphex(value, =3D=3D, 0); + + /* 3000mc =3D 30C */ + qmp_emc1414_set_temperature(EMC1414_TEST_ID, 30000); + value =3D qmp_emc1414_get_temperature(EMC1414_TEST_ID); + g_assert_cmpuint(value, =3D=3D, 30000); + + value =3D i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); + g_assert_cmphex(value, =3D=3D, 30); + +} + +static void emc1414_register_nodes(void) +{ + QOSGraphEdgeOptions opts =3D { + .extra_device_opts =3D "id=3D" EMC1414_TEST_ID ",address=3D0x70" + }; + add_qi2c_address(&opts, &(QI2CAddress) { 0x70 }); + + qos_node_create_driver("emc1414", i2c_device_create); + qos_node_consumes("emc1414", "i2c-bus", &opts); + + qos_add_test("tx-rx", "emc1414", send_and_receive, NULL); +} +libqos_init(emc1414_register_nodes); diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index e69a9009cf0a..eb8a8844cf86 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -407,6 +407,7 @@ config ASPEED_SOC select SSI_M25P80 select TMP105 select TMP421 + select EMC141X select UNIMP select LED =20 diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig index dc44dc14f625..cf18ac08e666 100644 --- a/hw/misc/Kconfig +++ b/hw/misc/Kconfig @@ -13,6 +13,10 @@ config TMP421 bool depends on I2C =20 +config EMC141X + bool + depends on I2C + config ISA_DEBUG bool depends on ISA_BUS diff --git a/hw/misc/meson.build b/hw/misc/meson.build index 1cd48e8a0fb5..ce15ffceb958 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -9,6 +9,7 @@ softmmu_ss.add(when: 'CONFIG_PCI_TESTDEV', if_true: files= ('pci-testdev.c')) softmmu_ss.add(when: 'CONFIG_SGA', if_true: files('sga.c')) softmmu_ss.add(when: 'CONFIG_TMP105', if_true: files('tmp105.c')) softmmu_ss.add(when: 'CONFIG_TMP421', if_true: files('tmp421.c')) +softmmu_ss.add(when: 'CONFIG_EMC141X', if_true: files('emc141x.c')) softmmu_ss.add(when: 'CONFIG_UNIMP', if_true: files('unimp.c')) softmmu_ss.add(when: 'CONFIG_EMPTY_SLOT', if_true: files('empty_slot.c')= ) softmmu_ss.add(when: 'CONFIG_LED', if_true: files('led.c')) diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index c19f1c85034f..d776befd6ee2 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -188,6 +188,7 @@ qos_test_ss.add( 'sdhci-test.c', 'spapr-phb-test.c', 'tmp105-test.c', + 'emc141x-test.c', 'usb-hcd-ohci-test.c', 'virtio-test.c', 'virtio-blk-test.c', --=20 2.26.2