diff options
Diffstat (limited to 'qemu/hw/char/serial-pci.c')
| -rw-r--r-- | qemu/hw/char/serial-pci.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/qemu/hw/char/serial-pci.c b/qemu/hw/char/serial-pci.c deleted file mode 100644 index 303104dd1..000000000 --- a/qemu/hw/char/serial-pci.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * QEMU 16550A UART emulation - * - * Copyright (c) 2003-2004 Fabrice Bellard - * Copyright (c) 2008 Citrix Systems, Inc. - * - * 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. - */ - -/* see docs/specs/pci-serial.txt */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "hw/char/serial.h" -#include "hw/pci/pci.h" - -#define PCI_SERIAL_MAX_PORTS 4 - -typedef struct PCISerialState { - PCIDevice dev; - SerialState state; - uint8_t prog_if; -} PCISerialState; - -typedef struct PCIMultiSerialState { - PCIDevice dev; - MemoryRegion iobar; - uint32_t ports; - char *name[PCI_SERIAL_MAX_PORTS]; - SerialState state[PCI_SERIAL_MAX_PORTS]; - uint32_t level[PCI_SERIAL_MAX_PORTS]; - qemu_irq *irqs; - uint8_t prog_if; -} PCIMultiSerialState; - -static void multi_serial_pci_exit(PCIDevice *dev); - -static void serial_pci_realize(PCIDevice *dev, Error **errp) -{ - PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev); - SerialState *s = &pci->state; - Error *err = NULL; - - s->baudbase = 115200; - serial_realize_core(s, &err); - if (err != NULL) { - error_propagate(errp, err); - return; - } - - pci->dev.config[PCI_CLASS_PROG] = pci->prog_if; - pci->dev.config[PCI_INTERRUPT_PIN] = 0x01; - s->irq = pci_allocate_irq(&pci->dev); - - memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, "serial", 8); - pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io); -} - -static void multi_serial_irq_mux(void *opaque, int n, int level) -{ - PCIMultiSerialState *pci = opaque; - int i, pending = 0; - - pci->level[n] = level; - for (i = 0; i < pci->ports; i++) { - if (pci->level[i]) { - pending = 1; - } - } - pci_set_irq(&pci->dev, pending); -} - -static void multi_serial_pci_realize(PCIDevice *dev, Error **errp) -{ - PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev); - PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev); - SerialState *s; - Error *err = NULL; - int i, nr_ports = 0; - - switch (pc->device_id) { - case 0x0003: - nr_ports = 2; - break; - case 0x0004: - nr_ports = 4; - break; - } - assert(nr_ports > 0); - assert(nr_ports <= PCI_SERIAL_MAX_PORTS); - - pci->dev.config[PCI_CLASS_PROG] = pci->prog_if; - pci->dev.config[PCI_INTERRUPT_PIN] = 0x01; - memory_region_init(&pci->iobar, OBJECT(pci), "multiserial", 8 * nr_ports); - pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->iobar); - pci->irqs = qemu_allocate_irqs(multi_serial_irq_mux, pci, - nr_ports); - - for (i = 0; i < nr_ports; i++) { - s = pci->state + i; - s->baudbase = 115200; - serial_realize_core(s, &err); - if (err != NULL) { - error_propagate(errp, err); - multi_serial_pci_exit(dev); - return; - } - s->irq = pci->irqs[i]; - pci->name[i] = g_strdup_printf("uart #%d", i+1); - memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, - pci->name[i], 8); - memory_region_add_subregion(&pci->iobar, 8 * i, &s->io); - pci->ports++; - } -} - -static void serial_pci_exit(PCIDevice *dev) -{ - PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev); - SerialState *s = &pci->state; - - serial_exit_core(s); - qemu_free_irq(s->irq); -} - -static void multi_serial_pci_exit(PCIDevice *dev) -{ - PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev); - SerialState *s; - int i; - - for (i = 0; i < pci->ports; i++) { - s = pci->state + i; - serial_exit_core(s); - memory_region_del_subregion(&pci->iobar, &s->io); - g_free(pci->name[i]); - } - qemu_free_irqs(pci->irqs, pci->ports); -} - -static const VMStateDescription vmstate_pci_serial = { - .name = "pci-serial", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(dev, PCISerialState), - VMSTATE_STRUCT(state, PCISerialState, 0, vmstate_serial, SerialState), - VMSTATE_END_OF_LIST() - } -}; - -static const VMStateDescription vmstate_pci_multi_serial = { - .name = "pci-serial-multi", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(dev, PCIMultiSerialState), - VMSTATE_STRUCT_ARRAY(state, PCIMultiSerialState, PCI_SERIAL_MAX_PORTS, - 0, vmstate_serial, SerialState), - VMSTATE_UINT32_ARRAY(level, PCIMultiSerialState, PCI_SERIAL_MAX_PORTS), - VMSTATE_END_OF_LIST() - } -}; - -static Property serial_pci_properties[] = { - DEFINE_PROP_CHR("chardev", PCISerialState, state.chr), - DEFINE_PROP_UINT8("prog_if", PCISerialState, prog_if, 0x02), - DEFINE_PROP_END_OF_LIST(), -}; - -static Property multi_2x_serial_pci_properties[] = { - DEFINE_PROP_CHR("chardev1", PCIMultiSerialState, state[0].chr), - DEFINE_PROP_CHR("chardev2", PCIMultiSerialState, state[1].chr), - DEFINE_PROP_UINT8("prog_if", PCIMultiSerialState, prog_if, 0x02), - DEFINE_PROP_END_OF_LIST(), -}; - -static Property multi_4x_serial_pci_properties[] = { - DEFINE_PROP_CHR("chardev1", PCIMultiSerialState, state[0].chr), - DEFINE_PROP_CHR("chardev2", PCIMultiSerialState, state[1].chr), - DEFINE_PROP_CHR("chardev3", PCIMultiSerialState, state[2].chr), - DEFINE_PROP_CHR("chardev4", PCIMultiSerialState, state[3].chr), - DEFINE_PROP_UINT8("prog_if", PCIMultiSerialState, prog_if, 0x02), - DEFINE_PROP_END_OF_LIST(), -}; - -static void serial_pci_class_initfn(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass); - pc->realize = serial_pci_realize; - pc->exit = serial_pci_exit; - pc->vendor_id = PCI_VENDOR_ID_REDHAT; - pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL; - pc->revision = 1; - pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL; - dc->vmsd = &vmstate_pci_serial; - dc->props = serial_pci_properties; - set_bit(DEVICE_CATEGORY_INPUT, dc->categories); -} - -static void multi_2x_serial_pci_class_initfn(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass); - pc->realize = multi_serial_pci_realize; - pc->exit = multi_serial_pci_exit; - pc->vendor_id = PCI_VENDOR_ID_REDHAT; - pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL2; - pc->revision = 1; - pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL; - dc->vmsd = &vmstate_pci_multi_serial; - dc->props = multi_2x_serial_pci_properties; - set_bit(DEVICE_CATEGORY_INPUT, dc->categories); -} - -static void multi_4x_serial_pci_class_initfn(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass); - pc->realize = multi_serial_pci_realize; - pc->exit = multi_serial_pci_exit; - pc->vendor_id = PCI_VENDOR_ID_REDHAT; - pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL4; - pc->revision = 1; - pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL; - dc->vmsd = &vmstate_pci_multi_serial; - dc->props = multi_4x_serial_pci_properties; - set_bit(DEVICE_CATEGORY_INPUT, dc->categories); -} - -static const TypeInfo serial_pci_info = { - .name = "pci-serial", - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PCISerialState), - .class_init = serial_pci_class_initfn, -}; - -static const TypeInfo multi_2x_serial_pci_info = { - .name = "pci-serial-2x", - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PCIMultiSerialState), - .class_init = multi_2x_serial_pci_class_initfn, -}; - -static const TypeInfo multi_4x_serial_pci_info = { - .name = "pci-serial-4x", - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PCIMultiSerialState), - .class_init = multi_4x_serial_pci_class_initfn, -}; - -static void serial_pci_register_types(void) -{ - type_register_static(&serial_pci_info); - type_register_static(&multi_2x_serial_pci_info); - type_register_static(&multi_4x_serial_pci_info); -} - -type_init(serial_pci_register_types) |