| Message ID | 9d07dec0056ce48504c0f41da37a34a70a8acf6c.1515260163.git.pisa@cmp.felk.cvut.cz (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 01/06/2018 09:47 PM, pisa@cmp.felk.cvut.cz wrote: > From: Deniz Eren <deniz.eren@icloud.com> I guess Deniz is the author of this patch? If so I think this will requires Deniz and your Signed-off-by line. The same apply for the other devices. Fred > > Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> > --- > hw/can/Makefile.objs | 1 + > hw/can/can_pcm3680_pci.c | 335 +++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 336 insertions(+) > create mode 100644 hw/can/can_pcm3680_pci.c > > diff --git a/hw/can/Makefile.objs b/hw/can/Makefile.objs > index c9d07b9b16..6a328f0c3a 100644 > --- a/hw/can/Makefile.objs > +++ b/hw/can/Makefile.objs > @@ -9,4 +9,5 @@ common-obj-y += can_host_stub.o > endif > common-obj-$(CONFIG_CAN_SJA1000) += can_sja1000.o > common-obj-$(CONFIG_CAN_PCI) += can_kvaser_pci.o > +common-obj-$(CONFIG_CAN_PCI) += can_pcm3680_pci.o > endif > diff --git a/hw/can/can_pcm3680_pci.c b/hw/can/can_pcm3680_pci.c > new file mode 100644 > index 0000000000..692aab6ab8 > --- /dev/null > +++ b/hw/can/can_pcm3680_pci.c > @@ -0,0 +1,335 @@ > +/* > + * PCM-3680i PCI CAN device (SJA1000 based) emulation > + * > + * Copyright (c) 2016 Deniz Eren (deniz.eren@icloud.com) > + * > + * Based on Kvaser PCI CAN device (SJA1000 based) emulation implemented by > + * Jin Yang and Pavel Pisa > + * > + * Permission is hereby granted, free of charge, to any person obtaining a copy > + * of this software and associated documentation files (the "Software"), to deal > + * in the Software without restriction, including without limitation the rights > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell > + * copies of the Software, and to permit persons to whom the Software is > + * furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN > + * THE SOFTWARE. > + */ > + > +#include "qemu/osdep.h" > +#include "qemu/event_notifier.h" > +#include "qemu/thread.h" > +#include "qemu/sockets.h" > +#include "qemu/error-report.h" > +#include "chardev/char.h" > +#include "hw/hw.h" > +#include "hw/pci/pci.h" > +#include "can/can_emu.h" > + > +#include "can_sja1000.h" > + > +#define TYPE_CAN_PCI_DEV "pcm3680_pci" > + > +#define PCM3680i_PCI_DEV(obj) \ > + OBJECT_CHECK(Pcm3680iPCIState, (obj), TYPE_CAN_PCI_DEV) > + > +#ifndef PCM3680i_PCI_VENDOR_ID1 > +#define PCM3680i_PCI_VENDOR_ID1 0x13fe /* the PCI device and vendor IDs */ > +#endif > + > +#ifndef PCM3680i_PCI_DEVICE_ID1 > +#define PCM3680i_PCI_DEVICE_ID1 0xc002 > +#endif > + > +#define PCM3680i_PCI_SJA_RANGE 0x200 > + > +#define PCM3680i_PCI_BYTES_PER_SJA 0x20 > + > +typedef struct Pcm3680iPCIState { > + /*< private >*/ > + PCIDevice dev; > + /*< public >*/ > + MemoryRegion sja_io[2]; > + > + CanSJA1000State sja_state[2]; > + qemu_irq irq; > + > + char *model; /* The model that support, only SJA1000 now. */ > + char *canbus[2]; > + char *host[2]; > +} Pcm3680iPCIState; > + > +static void pcm3680i_pci_irq_raise(void *opaque) > +{ > + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; > + > + qemu_irq_raise(d->irq); > +} > + > +static void pcm3680i_pci_irq_lower(void *opaque) > +{ > + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; > + > + qemu_irq_lower(d->irq); > +} > + > +static void > +pcm3680i_pci_reset(void *opaque) > +{ > + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; > + CanSJA1000State *s1 = &d->sja_state[0]; > + CanSJA1000State *s2 = &d->sja_state[1]; > + > + can_sja_hardware_reset(s1); > + can_sja_hardware_reset(s2); > +} > + > +static uint64_t pcm3680i_pci_sja1_io_read(void *opaque, hwaddr addr, > + unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[0]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return 0; > + } > + > + return can_sja_mem_read(s, addr, size); > +} > + > +static void pcm3680i_pci_sja1_io_write(void *opaque, hwaddr addr, > + uint64_t data, unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[0]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return; > + } > + > + can_sja_mem_write(s, addr, data, size); > +} > + > +static uint64_t pcm3680i_pci_sja2_io_read(void *opaque, hwaddr addr, > + unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[1]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return 0; > + } > + > + return can_sja_mem_read(s, addr, size); > +} > + > +static void pcm3680i_pci_sja2_io_write(void *opaque, hwaddr addr, uint64_t data, > + unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[1]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return; > + } > + > + can_sja_mem_write(s, addr, data, size); > +} > + > +static const MemoryRegionOps pcm3680i_pci_sja1_io_ops = { > + .read = pcm3680i_pci_sja1_io_read, > + .write = pcm3680i_pci_sja1_io_write, > + .endianness = DEVICE_LITTLE_ENDIAN, > + .impl = { > + .min_access_size = 1, > + .max_access_size = 1, > + }, > +}; > + > +static const MemoryRegionOps pcm3680i_pci_sja2_io_ops = { > + .read = pcm3680i_pci_sja2_io_read, > + .write = pcm3680i_pci_sja2_io_write, > + .endianness = DEVICE_LITTLE_ENDIAN, > + .impl = { > + .min_access_size = 1, > + .max_access_size = 1, > + }, > +}; > + > +static int pcm3680i_pci_init(PCIDevice *pci_dev) > +{ > + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev); > + CanSJA1000State *s1 = &d->sja_state[0]; > + CanSJA1000State *s2 = &d->sja_state[1]; > + uint8_t *pci_conf; > + CanBusState *can_bus1; > + CanBusState *can_bus2; > + > + if (d->model) { > + if (strncmp(d->model, "pcican-s", 256)) { /* for security reason */ > + error_report("Can't create CAN device, " > + "the model %s is not supported now.", d->model); > + exit(1); > + } > + } > + > + can_bus1 = can_bus_find_by_name(d->canbus[0], true); > + if (can_bus1 == NULL) { > + error_report("Cannot create can find/allocate CAN bus #1"); > + exit(1); > + } > + > + can_bus2 = can_bus_find_by_name(d->canbus[1], true); > + if (can_bus2 == NULL) { > + error_report("Cannot create can find/allocate CAN bus #2"); > + exit(1); > + } > + > + if (d->host[0] != NULL) { > + if (can_bus_connect_to_host_device(can_bus1, d->host[0]) < 0) { > + error_report("Cannot connect CAN bus to host #1 device \"%s\"", > + d->host[0]); > + exit(1); > + } > + } > + > + if (d->host[1] != NULL) { > + if (can_bus_connect_to_host_device(can_bus2, d->host[1]) < 0) { > + error_report("Cannot connect CAN bus to host #2 device \"%s\"", > + d->host[1]); > + exit(1); > + } > + } > + > + pci_conf = pci_dev->config; > + pci_conf[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */ > + > + d->irq = pci_allocate_irq(&d->dev); > + > + can_sja_init(s1, pcm3680i_pci_irq_raise, pcm3680i_pci_irq_lower, d); > + can_sja_init(s2, pcm3680i_pci_irq_raise, pcm3680i_pci_irq_lower, d); > + > + qemu_register_reset(pcm3680i_pci_reset, d); > + > + if (can_sja_connect_to_bus(s1, can_bus1) < 0) { > + error_report("can_sja_connect_to_bus failed"); > + exit(1); > + } > + > + if (can_sja_connect_to_bus(s2, can_bus2) < 0) { > + error_report("can_sja_connect_to_bus failed"); > + exit(1); > + } > + > + memory_region_init_io(&d->sja_io[0], OBJECT(d), &pcm3680i_pci_sja1_io_ops, > + d, "pcm3680i_pci-sja1", PCM3680i_PCI_SJA_RANGE / 2); > + memory_region_init_io(&d->sja_io[1], OBJECT(d), &pcm3680i_pci_sja2_io_ops, > + d, "pcm3680i_pci-sja2", PCM3680i_PCI_SJA_RANGE / 2); > + > + pci_register_bar(&d->dev, /*BAR*/ 0, PCI_BASE_ADDRESS_SPACE_IO, > + &d->sja_io[0]); > + pci_register_bar(&d->dev, /*BAR*/ 1, PCI_BASE_ADDRESS_SPACE_IO, > + &d->sja_io[1]); > + > + return 0; > +} > + > +static void pcm3680i_pci_exit(PCIDevice *pci_dev) > +{ > + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev); > + CanSJA1000State *s1 = &d->sja_state[0]; > + CanSJA1000State *s2 = &d->sja_state[1]; > + > + can_sja_disconnect(s1); > + can_sja_disconnect(s2); > + > + qemu_unregister_reset(pcm3680i_pci_reset, d); > + > + /* > + * region d->sja_io is destroyed by QOM now > + */ > + /* memory_region_destroy(&d->sja_io[0]); */ > + /* memory_region_destroy(&d->sja_io[1]); */ > + > + can_sja_exit(s1); > + can_sja_exit(s2); > + > + qemu_free_irq(d->irq); > +} > + > +static const VMStateDescription vmstate_pcm3680i_pci = { > + .name = "pcm3680i_pci", > + .version_id = 1, > + .minimum_version_id = 1, > + .minimum_version_id_old = 1, > + .fields = (VMStateField[]) { > + VMSTATE_PCI_DEVICE(dev, Pcm3680iPCIState), > + VMSTATE_STRUCT(sja_state[0], Pcm3680iPCIState, 0, > + vmstate_can_sja, CanSJA1000State), > + VMSTATE_STRUCT(sja_state[1], Pcm3680iPCIState, 0, > + vmstate_can_sja, CanSJA1000State), > + VMSTATE_END_OF_LIST() > + } > +}; > + > +static void qdev_pcm3680i_pci_reset(DeviceState *dev) > +{ > + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(dev); > + pcm3680i_pci_reset(d); > +} > + > +static Property pcm3680i_pci_properties[] = { > + DEFINE_PROP_STRING("canbus1", Pcm3680iPCIState, canbus[0]), > + DEFINE_PROP_STRING("canbus2", Pcm3680iPCIState, canbus[1]), > + DEFINE_PROP_STRING("host1", Pcm3680iPCIState, host[0]), > + DEFINE_PROP_STRING("host2", Pcm3680iPCIState, host[1]), > + DEFINE_PROP_STRING("model", Pcm3680iPCIState, model), > + DEFINE_PROP_END_OF_LIST(), > +}; > + > +static void pcm3680i_pci_class_init(ObjectClass *klass, void *data) > +{ > + DeviceClass *dc = DEVICE_CLASS(klass); > + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); > + > + k->init = pcm3680i_pci_init; > + k->exit = pcm3680i_pci_exit; > + k->vendor_id = PCM3680i_PCI_VENDOR_ID1; > + k->device_id = PCM3680i_PCI_DEVICE_ID1; > + k->revision = 0x00; > + k->class_id = 0x000c09; > + k->subsystem_vendor_id = PCM3680i_PCI_VENDOR_ID1; > + k->subsystem_id = PCM3680i_PCI_DEVICE_ID1; > + dc->desc = "Pcm3680i PCICANx"; > + dc->props = pcm3680i_pci_properties; > + dc->vmsd = &vmstate_pcm3680i_pci; > + set_bit(DEVICE_CATEGORY_MISC, dc->categories); > + dc->reset = qdev_pcm3680i_pci_reset; > +} > + > +static const TypeInfo pcm3680i_pci_info = { > + .name = TYPE_CAN_PCI_DEV, > + .parent = TYPE_PCI_DEVICE, > + .instance_size = sizeof(Pcm3680iPCIState), > + .class_init = pcm3680i_pci_class_init, > + .interfaces = (InterfaceInfo[]) { > + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, > + { }, > + }, > +}; > + > +static void pcm3680i_pci_register_types(void) > +{ > + type_register_static(&pcm3680i_pci_info); > +} > + > +type_init(pcm3680i_pci_register_types) >
Signed-off-by: Deniz Eren <deniz.eren@icloud.com> I’ve tested and used this work actively at for developing driverless Straddle and AGV embedded software with QNX and Linux hosts with Advantech CAN-bus cards. Sent from my iPhone Deniz Eren +61 400 307 762 > On 7 Jan 2018, at 7:47 am, pisa@cmp.felk.cvut.cz wrote: > > From: Deniz Eren <deniz.eren@icloud.com> > > Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> > --- > hw/can/Makefile.objs | 1 + > hw/can/can_pcm3680_pci.c | 335 +++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 336 insertions(+) > create mode 100644 hw/can/can_pcm3680_pci.c > > diff --git a/hw/can/Makefile.objs b/hw/can/Makefile.objs > index c9d07b9b16..6a328f0c3a 100644 > --- a/hw/can/Makefile.objs > +++ b/hw/can/Makefile.objs > @@ -9,4 +9,5 @@ common-obj-y += can_host_stub.o > endif > common-obj-$(CONFIG_CAN_SJA1000) += can_sja1000.o > common-obj-$(CONFIG_CAN_PCI) += can_kvaser_pci.o > +common-obj-$(CONFIG_CAN_PCI) += can_pcm3680_pci.o > endif > diff --git a/hw/can/can_pcm3680_pci.c b/hw/can/can_pcm3680_pci.c > new file mode 100644 > index 0000000000..692aab6ab8 > --- /dev/null > +++ b/hw/can/can_pcm3680_pci.c > @@ -0,0 +1,335 @@ > +/* > + * PCM-3680i PCI CAN device (SJA1000 based) emulation > + * > + * Copyright (c) 2016 Deniz Eren (deniz.eren@icloud.com) > + * > + * Based on Kvaser PCI CAN device (SJA1000 based) emulation implemented by > + * Jin Yang and Pavel Pisa > + * > + * Permission is hereby granted, free of charge, to any person obtaining a copy > + * of this software and associated documentation files (the "Software"), to deal > + * in the Software without restriction, including without limitation the rights > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell > + * copies of the Software, and to permit persons to whom the Software is > + * furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN > + * THE SOFTWARE. > + */ > + > +#include "qemu/osdep.h" > +#include "qemu/event_notifier.h" > +#include "qemu/thread.h" > +#include "qemu/sockets.h" > +#include "qemu/error-report.h" > +#include "chardev/char.h" > +#include "hw/hw.h" > +#include "hw/pci/pci.h" > +#include "can/can_emu.h" > + > +#include "can_sja1000.h" > + > +#define TYPE_CAN_PCI_DEV "pcm3680_pci" > + > +#define PCM3680i_PCI_DEV(obj) \ > + OBJECT_CHECK(Pcm3680iPCIState, (obj), TYPE_CAN_PCI_DEV) > + > +#ifndef PCM3680i_PCI_VENDOR_ID1 > +#define PCM3680i_PCI_VENDOR_ID1 0x13fe /* the PCI device and vendor IDs */ > +#endif > + > +#ifndef PCM3680i_PCI_DEVICE_ID1 > +#define PCM3680i_PCI_DEVICE_ID1 0xc002 > +#endif > + > +#define PCM3680i_PCI_SJA_RANGE 0x200 > + > +#define PCM3680i_PCI_BYTES_PER_SJA 0x20 > + > +typedef struct Pcm3680iPCIState { > + /*< private >*/ > + PCIDevice dev; > + /*< public >*/ > + MemoryRegion sja_io[2]; > + > + CanSJA1000State sja_state[2]; > + qemu_irq irq; > + > + char *model; /* The model that support, only SJA1000 now. */ > + char *canbus[2]; > + char *host[2]; > +} Pcm3680iPCIState; > + > +static void pcm3680i_pci_irq_raise(void *opaque) > +{ > + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; > + > + qemu_irq_raise(d->irq); > +} > + > +static void pcm3680i_pci_irq_lower(void *opaque) > +{ > + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; > + > + qemu_irq_lower(d->irq); > +} > + > +static void > +pcm3680i_pci_reset(void *opaque) > +{ > + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; > + CanSJA1000State *s1 = &d->sja_state[0]; > + CanSJA1000State *s2 = &d->sja_state[1]; > + > + can_sja_hardware_reset(s1); > + can_sja_hardware_reset(s2); > +} > + > +static uint64_t pcm3680i_pci_sja1_io_read(void *opaque, hwaddr addr, > + unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[0]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return 0; > + } > + > + return can_sja_mem_read(s, addr, size); > +} > + > +static void pcm3680i_pci_sja1_io_write(void *opaque, hwaddr addr, > + uint64_t data, unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[0]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return; > + } > + > + can_sja_mem_write(s, addr, data, size); > +} > + > +static uint64_t pcm3680i_pci_sja2_io_read(void *opaque, hwaddr addr, > + unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[1]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return 0; > + } > + > + return can_sja_mem_read(s, addr, size); > +} > + > +static void pcm3680i_pci_sja2_io_write(void *opaque, hwaddr addr, uint64_t data, > + unsigned size) > +{ > + Pcm3680iPCIState *d = opaque; > + CanSJA1000State *s = &d->sja_state[1]; > + > + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { > + return; > + } > + > + can_sja_mem_write(s, addr, data, size); > +} > + > +static const MemoryRegionOps pcm3680i_pci_sja1_io_ops = { > + .read = pcm3680i_pci_sja1_io_read, > + .write = pcm3680i_pci_sja1_io_write, > + .endianness = DEVICE_LITTLE_ENDIAN, > + .impl = { > + .min_access_size = 1, > + .max_access_size = 1, > + }, > +}; > + > +static const MemoryRegionOps pcm3680i_pci_sja2_io_ops = { > + .read = pcm3680i_pci_sja2_io_read, > + .write = pcm3680i_pci_sja2_io_write, > + .endianness = DEVICE_LITTLE_ENDIAN, > + .impl = { > + .min_access_size = 1, > + .max_access_size = 1, > + }, > +}; > + > +static int pcm3680i_pci_init(PCIDevice *pci_dev) > +{ > + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev); > + CanSJA1000State *s1 = &d->sja_state[0]; > + CanSJA1000State *s2 = &d->sja_state[1]; > + uint8_t *pci_conf; > + CanBusState *can_bus1; > + CanBusState *can_bus2; > + > + if (d->model) { > + if (strncmp(d->model, "pcican-s", 256)) { /* for security reason */ > + error_report("Can't create CAN device, " > + "the model %s is not supported now.", d->model); > + exit(1); > + } > + } > + > + can_bus1 = can_bus_find_by_name(d->canbus[0], true); > + if (can_bus1 == NULL) { > + error_report("Cannot create can find/allocate CAN bus #1"); > + exit(1); > + } > + > + can_bus2 = can_bus_find_by_name(d->canbus[1], true); > + if (can_bus2 == NULL) { > + error_report("Cannot create can find/allocate CAN bus #2"); > + exit(1); > + } > + > + if (d->host[0] != NULL) { > + if (can_bus_connect_to_host_device(can_bus1, d->host[0]) < 0) { > + error_report("Cannot connect CAN bus to host #1 device \"%s\"", > + d->host[0]); > + exit(1); > + } > + } > + > + if (d->host[1] != NULL) { > + if (can_bus_connect_to_host_device(can_bus2, d->host[1]) < 0) { > + error_report("Cannot connect CAN bus to host #2 device \"%s\"", > + d->host[1]); > + exit(1); > + } > + } > + > + pci_conf = pci_dev->config; > + pci_conf[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */ > + > + d->irq = pci_allocate_irq(&d->dev); > + > + can_sja_init(s1, pcm3680i_pci_irq_raise, pcm3680i_pci_irq_lower, d); > + can_sja_init(s2, pcm3680i_pci_irq_raise, pcm3680i_pci_irq_lower, d); > + > + qemu_register_reset(pcm3680i_pci_reset, d); > + > + if (can_sja_connect_to_bus(s1, can_bus1) < 0) { > + error_report("can_sja_connect_to_bus failed"); > + exit(1); > + } > + > + if (can_sja_connect_to_bus(s2, can_bus2) < 0) { > + error_report("can_sja_connect_to_bus failed"); > + exit(1); > + } > + > + memory_region_init_io(&d->sja_io[0], OBJECT(d), &pcm3680i_pci_sja1_io_ops, > + d, "pcm3680i_pci-sja1", PCM3680i_PCI_SJA_RANGE / 2); > + memory_region_init_io(&d->sja_io[1], OBJECT(d), &pcm3680i_pci_sja2_io_ops, > + d, "pcm3680i_pci-sja2", PCM3680i_PCI_SJA_RANGE / 2); > + > + pci_register_bar(&d->dev, /*BAR*/ 0, PCI_BASE_ADDRESS_SPACE_IO, > + &d->sja_io[0]); > + pci_register_bar(&d->dev, /*BAR*/ 1, PCI_BASE_ADDRESS_SPACE_IO, > + &d->sja_io[1]); > + > + return 0; > +} > + > +static void pcm3680i_pci_exit(PCIDevice *pci_dev) > +{ > + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev); > + CanSJA1000State *s1 = &d->sja_state[0]; > + CanSJA1000State *s2 = &d->sja_state[1]; > + > + can_sja_disconnect(s1); > + can_sja_disconnect(s2); > + > + qemu_unregister_reset(pcm3680i_pci_reset, d); > + > + /* > + * region d->sja_io is destroyed by QOM now > + */ > + /* memory_region_destroy(&d->sja_io[0]); */ > + /* memory_region_destroy(&d->sja_io[1]); */ > + > + can_sja_exit(s1); > + can_sja_exit(s2); > + > + qemu_free_irq(d->irq); > +} > + > +static const VMStateDescription vmstate_pcm3680i_pci = { > + .name = "pcm3680i_pci", > + .version_id = 1, > + .minimum_version_id = 1, > + .minimum_version_id_old = 1, > + .fields = (VMStateField[]) { > + VMSTATE_PCI_DEVICE(dev, Pcm3680iPCIState), > + VMSTATE_STRUCT(sja_state[0], Pcm3680iPCIState, 0, > + vmstate_can_sja, CanSJA1000State), > + VMSTATE_STRUCT(sja_state[1], Pcm3680iPCIState, 0, > + vmstate_can_sja, CanSJA1000State), > + VMSTATE_END_OF_LIST() > + } > +}; > + > +static void qdev_pcm3680i_pci_reset(DeviceState *dev) > +{ > + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(dev); > + pcm3680i_pci_reset(d); > +} > + > +static Property pcm3680i_pci_properties[] = { > + DEFINE_PROP_STRING("canbus1", Pcm3680iPCIState, canbus[0]), > + DEFINE_PROP_STRING("canbus2", Pcm3680iPCIState, canbus[1]), > + DEFINE_PROP_STRING("host1", Pcm3680iPCIState, host[0]), > + DEFINE_PROP_STRING("host2", Pcm3680iPCIState, host[1]), > + DEFINE_PROP_STRING("model", Pcm3680iPCIState, model), > + DEFINE_PROP_END_OF_LIST(), > +}; > + > +static void pcm3680i_pci_class_init(ObjectClass *klass, void *data) > +{ > + DeviceClass *dc = DEVICE_CLASS(klass); > + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); > + > + k->init = pcm3680i_pci_init; > + k->exit = pcm3680i_pci_exit; > + k->vendor_id = PCM3680i_PCI_VENDOR_ID1; > + k->device_id = PCM3680i_PCI_DEVICE_ID1; > + k->revision = 0x00; > + k->class_id = 0x000c09; > + k->subsystem_vendor_id = PCM3680i_PCI_VENDOR_ID1; > + k->subsystem_id = PCM3680i_PCI_DEVICE_ID1; > + dc->desc = "Pcm3680i PCICANx"; > + dc->props = pcm3680i_pci_properties; > + dc->vmsd = &vmstate_pcm3680i_pci; > + set_bit(DEVICE_CATEGORY_MISC, dc->categories); > + dc->reset = qdev_pcm3680i_pci_reset; > +} > + > +static const TypeInfo pcm3680i_pci_info = { > + .name = TYPE_CAN_PCI_DEV, > + .parent = TYPE_PCI_DEVICE, > + .instance_size = sizeof(Pcm3680iPCIState), > + .class_init = pcm3680i_pci_class_init, > + .interfaces = (InterfaceInfo[]) { > + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, > + { }, > + }, > +}; > + > +static void pcm3680i_pci_register_types(void) > +{ > + type_register_static(&pcm3680i_pci_info); > +} > + > +type_init(pcm3680i_pci_register_types) > -- > 2.11.0 >
diff --git a/hw/can/Makefile.objs b/hw/can/Makefile.objs index c9d07b9b16..6a328f0c3a 100644 --- a/hw/can/Makefile.objs +++ b/hw/can/Makefile.objs @@ -9,4 +9,5 @@ common-obj-y += can_host_stub.o endif common-obj-$(CONFIG_CAN_SJA1000) += can_sja1000.o common-obj-$(CONFIG_CAN_PCI) += can_kvaser_pci.o +common-obj-$(CONFIG_CAN_PCI) += can_pcm3680_pci.o endif diff --git a/hw/can/can_pcm3680_pci.c b/hw/can/can_pcm3680_pci.c new file mode 100644 index 0000000000..692aab6ab8 --- /dev/null +++ b/hw/can/can_pcm3680_pci.c @@ -0,0 +1,335 @@ +/* + * PCM-3680i PCI CAN device (SJA1000 based) emulation + * + * Copyright (c) 2016 Deniz Eren (deniz.eren@icloud.com) + * + * Based on Kvaser PCI CAN device (SJA1000 based) emulation implemented by + * Jin Yang and Pavel Pisa + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "qemu/event_notifier.h" +#include "qemu/thread.h" +#include "qemu/sockets.h" +#include "qemu/error-report.h" +#include "chardev/char.h" +#include "hw/hw.h" +#include "hw/pci/pci.h" +#include "can/can_emu.h" + +#include "can_sja1000.h" + +#define TYPE_CAN_PCI_DEV "pcm3680_pci" + +#define PCM3680i_PCI_DEV(obj) \ + OBJECT_CHECK(Pcm3680iPCIState, (obj), TYPE_CAN_PCI_DEV) + +#ifndef PCM3680i_PCI_VENDOR_ID1 +#define PCM3680i_PCI_VENDOR_ID1 0x13fe /* the PCI device and vendor IDs */ +#endif + +#ifndef PCM3680i_PCI_DEVICE_ID1 +#define PCM3680i_PCI_DEVICE_ID1 0xc002 +#endif + +#define PCM3680i_PCI_SJA_RANGE 0x200 + +#define PCM3680i_PCI_BYTES_PER_SJA 0x20 + +typedef struct Pcm3680iPCIState { + /*< private >*/ + PCIDevice dev; + /*< public >*/ + MemoryRegion sja_io[2]; + + CanSJA1000State sja_state[2]; + qemu_irq irq; + + char *model; /* The model that support, only SJA1000 now. */ + char *canbus[2]; + char *host[2]; +} Pcm3680iPCIState; + +static void pcm3680i_pci_irq_raise(void *opaque) +{ + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; + + qemu_irq_raise(d->irq); +} + +static void pcm3680i_pci_irq_lower(void *opaque) +{ + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; + + qemu_irq_lower(d->irq); +} + +static void +pcm3680i_pci_reset(void *opaque) +{ + Pcm3680iPCIState *d = (Pcm3680iPCIState *)opaque; + CanSJA1000State *s1 = &d->sja_state[0]; + CanSJA1000State *s2 = &d->sja_state[1]; + + can_sja_hardware_reset(s1); + can_sja_hardware_reset(s2); +} + +static uint64_t pcm3680i_pci_sja1_io_read(void *opaque, hwaddr addr, + unsigned size) +{ + Pcm3680iPCIState *d = opaque; + CanSJA1000State *s = &d->sja_state[0]; + + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { + return 0; + } + + return can_sja_mem_read(s, addr, size); +} + +static void pcm3680i_pci_sja1_io_write(void *opaque, hwaddr addr, + uint64_t data, unsigned size) +{ + Pcm3680iPCIState *d = opaque; + CanSJA1000State *s = &d->sja_state[0]; + + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { + return; + } + + can_sja_mem_write(s, addr, data, size); +} + +static uint64_t pcm3680i_pci_sja2_io_read(void *opaque, hwaddr addr, + unsigned size) +{ + Pcm3680iPCIState *d = opaque; + CanSJA1000State *s = &d->sja_state[1]; + + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { + return 0; + } + + return can_sja_mem_read(s, addr, size); +} + +static void pcm3680i_pci_sja2_io_write(void *opaque, hwaddr addr, uint64_t data, + unsigned size) +{ + Pcm3680iPCIState *d = opaque; + CanSJA1000State *s = &d->sja_state[1]; + + if (addr >= PCM3680i_PCI_BYTES_PER_SJA) { + return; + } + + can_sja_mem_write(s, addr, data, size); +} + +static const MemoryRegionOps pcm3680i_pci_sja1_io_ops = { + .read = pcm3680i_pci_sja1_io_read, + .write = pcm3680i_pci_sja1_io_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 1, + .max_access_size = 1, + }, +}; + +static const MemoryRegionOps pcm3680i_pci_sja2_io_ops = { + .read = pcm3680i_pci_sja2_io_read, + .write = pcm3680i_pci_sja2_io_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 1, + .max_access_size = 1, + }, +}; + +static int pcm3680i_pci_init(PCIDevice *pci_dev) +{ + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev); + CanSJA1000State *s1 = &d->sja_state[0]; + CanSJA1000State *s2 = &d->sja_state[1]; + uint8_t *pci_conf; + CanBusState *can_bus1; + CanBusState *can_bus2; + + if (d->model) { + if (strncmp(d->model, "pcican-s", 256)) { /* for security reason */ + error_report("Can't create CAN device, " + "the model %s is not supported now.", d->model); + exit(1); + } + } + + can_bus1 = can_bus_find_by_name(d->canbus[0], true); + if (can_bus1 == NULL) { + error_report("Cannot create can find/allocate CAN bus #1"); + exit(1); + } + + can_bus2 = can_bus_find_by_name(d->canbus[1], true); + if (can_bus2 == NULL) { + error_report("Cannot create can find/allocate CAN bus #2"); + exit(1); + } + + if (d->host[0] != NULL) { + if (can_bus_connect_to_host_device(can_bus1, d->host[0]) < 0) { + error_report("Cannot connect CAN bus to host #1 device \"%s\"", + d->host[0]); + exit(1); + } + } + + if (d->host[1] != NULL) { + if (can_bus_connect_to_host_device(can_bus2, d->host[1]) < 0) { + error_report("Cannot connect CAN bus to host #2 device \"%s\"", + d->host[1]); + exit(1); + } + } + + pci_conf = pci_dev->config; + pci_conf[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */ + + d->irq = pci_allocate_irq(&d->dev); + + can_sja_init(s1, pcm3680i_pci_irq_raise, pcm3680i_pci_irq_lower, d); + can_sja_init(s2, pcm3680i_pci_irq_raise, pcm3680i_pci_irq_lower, d); + + qemu_register_reset(pcm3680i_pci_reset, d); + + if (can_sja_connect_to_bus(s1, can_bus1) < 0) { + error_report("can_sja_connect_to_bus failed"); + exit(1); + } + + if (can_sja_connect_to_bus(s2, can_bus2) < 0) { + error_report("can_sja_connect_to_bus failed"); + exit(1); + } + + memory_region_init_io(&d->sja_io[0], OBJECT(d), &pcm3680i_pci_sja1_io_ops, + d, "pcm3680i_pci-sja1", PCM3680i_PCI_SJA_RANGE / 2); + memory_region_init_io(&d->sja_io[1], OBJECT(d), &pcm3680i_pci_sja2_io_ops, + d, "pcm3680i_pci-sja2", PCM3680i_PCI_SJA_RANGE / 2); + + pci_register_bar(&d->dev, /*BAR*/ 0, PCI_BASE_ADDRESS_SPACE_IO, + &d->sja_io[0]); + pci_register_bar(&d->dev, /*BAR*/ 1, PCI_BASE_ADDRESS_SPACE_IO, + &d->sja_io[1]); + + return 0; +} + +static void pcm3680i_pci_exit(PCIDevice *pci_dev) +{ + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(pci_dev); + CanSJA1000State *s1 = &d->sja_state[0]; + CanSJA1000State *s2 = &d->sja_state[1]; + + can_sja_disconnect(s1); + can_sja_disconnect(s2); + + qemu_unregister_reset(pcm3680i_pci_reset, d); + + /* + * region d->sja_io is destroyed by QOM now + */ + /* memory_region_destroy(&d->sja_io[0]); */ + /* memory_region_destroy(&d->sja_io[1]); */ + + can_sja_exit(s1); + can_sja_exit(s2); + + qemu_free_irq(d->irq); +} + +static const VMStateDescription vmstate_pcm3680i_pci = { + .name = "pcm3680i_pci", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_PCI_DEVICE(dev, Pcm3680iPCIState), + VMSTATE_STRUCT(sja_state[0], Pcm3680iPCIState, 0, + vmstate_can_sja, CanSJA1000State), + VMSTATE_STRUCT(sja_state[1], Pcm3680iPCIState, 0, + vmstate_can_sja, CanSJA1000State), + VMSTATE_END_OF_LIST() + } +}; + +static void qdev_pcm3680i_pci_reset(DeviceState *dev) +{ + Pcm3680iPCIState *d = PCM3680i_PCI_DEV(dev); + pcm3680i_pci_reset(d); +} + +static Property pcm3680i_pci_properties[] = { + DEFINE_PROP_STRING("canbus1", Pcm3680iPCIState, canbus[0]), + DEFINE_PROP_STRING("canbus2", Pcm3680iPCIState, canbus[1]), + DEFINE_PROP_STRING("host1", Pcm3680iPCIState, host[0]), + DEFINE_PROP_STRING("host2", Pcm3680iPCIState, host[1]), + DEFINE_PROP_STRING("model", Pcm3680iPCIState, model), + DEFINE_PROP_END_OF_LIST(), +}; + +static void pcm3680i_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->init = pcm3680i_pci_init; + k->exit = pcm3680i_pci_exit; + k->vendor_id = PCM3680i_PCI_VENDOR_ID1; + k->device_id = PCM3680i_PCI_DEVICE_ID1; + k->revision = 0x00; + k->class_id = 0x000c09; + k->subsystem_vendor_id = PCM3680i_PCI_VENDOR_ID1; + k->subsystem_id = PCM3680i_PCI_DEVICE_ID1; + dc->desc = "Pcm3680i PCICANx"; + dc->props = pcm3680i_pci_properties; + dc->vmsd = &vmstate_pcm3680i_pci; + set_bit(DEVICE_CATEGORY_MISC, dc->categories); + dc->reset = qdev_pcm3680i_pci_reset; +} + +static const TypeInfo pcm3680i_pci_info = { + .name = TYPE_CAN_PCI_DEV, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(Pcm3680iPCIState), + .class_init = pcm3680i_pci_class_init, + .interfaces = (InterfaceInfo[]) { + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { }, + }, +}; + +static void pcm3680i_pci_register_types(void) +{ + type_register_static(&pcm3680i_pci_info); +} + +type_init(pcm3680i_pci_register_types)