aboutsummaryrefslogtreecommitdiff
path: root/hw/ssi.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2013-03-01 13:59:19 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:12 +0200
commit49ab747f668f421138d5b40d83fa279c4c5e278d (patch)
tree943225a04eac885aed038731adf058f2250a2f40 /hw/ssi.c
parentce3b494cb504f96992f2d37ebc8f56deed202b06 (diff)
hw: move target-independent files to subdirectories
This patch tackles all files that are compiled once, moving them to subdirectories of hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/ssi.c')
-rw-r--r--hw/ssi.c174
1 files changed, 0 insertions, 174 deletions
diff --git a/hw/ssi.c b/hw/ssi.c
deleted file mode 100644
index 1264d9da23..0000000000
--- a/hw/ssi.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * QEMU Synchronous Serial Interface support
- *
- * Copyright (c) 2009 CodeSourcery.
- * Copyright (c) 2012 Peter A.G. Crosthwaite (peter.crosthwaite@petalogix.com)
- * Copyright (c) 2012 PetaLogix Pty Ltd.
- * Written by Paul Brook
- *
- * This code is licensed under the GNU GPL v2.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#include "hw/ssi.h"
-
-struct SSIBus {
- BusState qbus;
-};
-
-#define TYPE_SSI_BUS "SSI"
-#define SSI_BUS(obj) OBJECT_CHECK(SSIBus, (obj), TYPE_SSI_BUS)
-
-static const TypeInfo ssi_bus_info = {
- .name = TYPE_SSI_BUS,
- .parent = TYPE_BUS,
- .instance_size = sizeof(SSIBus),
-};
-
-static void ssi_cs_default(void *opaque, int n, int level)
-{
- SSISlave *s = SSI_SLAVE(opaque);
- bool cs = !!level;
- assert(n == 0);
- if (s->cs != cs) {
- SSISlaveClass *ssc = SSI_SLAVE_GET_CLASS(s);
- if (ssc->set_cs) {
- ssc->set_cs(s, cs);
- }
- }
- s->cs = cs;
-}
-
-static uint32_t ssi_transfer_raw_default(SSISlave *dev, uint32_t val)
-{
- SSISlaveClass *ssc = SSI_SLAVE_GET_CLASS(dev);
-
- if ((dev->cs && ssc->cs_polarity == SSI_CS_HIGH) ||
- (!dev->cs && ssc->cs_polarity == SSI_CS_LOW) ||
- ssc->cs_polarity == SSI_CS_NONE) {
- return ssc->transfer(dev, val);
- }
- return 0;
-}
-
-static int ssi_slave_init(DeviceState *dev)
-{
- SSISlave *s = SSI_SLAVE(dev);
- SSISlaveClass *ssc = SSI_SLAVE_GET_CLASS(s);
-
- if (ssc->transfer_raw == ssi_transfer_raw_default &&
- ssc->cs_polarity != SSI_CS_NONE) {
- qdev_init_gpio_in(&s->qdev, ssi_cs_default, 1);
- }
-
- return ssc->init(s);
-}
-
-static void ssi_slave_class_init(ObjectClass *klass, void *data)
-{
- SSISlaveClass *ssc = SSI_SLAVE_CLASS(klass);
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- dc->init = ssi_slave_init;
- dc->bus_type = TYPE_SSI_BUS;
- if (!ssc->transfer_raw) {
- ssc->transfer_raw = ssi_transfer_raw_default;
- }
-}
-
-static const TypeInfo ssi_slave_info = {
- .name = TYPE_SSI_SLAVE,
- .parent = TYPE_DEVICE,
- .class_init = ssi_slave_class_init,
- .class_size = sizeof(SSISlaveClass),
- .abstract = true,
-};
-
-DeviceState *ssi_create_slave_no_init(SSIBus *bus, const char *name)
-{
- return qdev_create(&bus->qbus, name);
-}
-
-DeviceState *ssi_create_slave(SSIBus *bus, const char *name)
-{
- DeviceState *dev = ssi_create_slave_no_init(bus, name);
-
- qdev_init_nofail(dev);
- return dev;
-}
-
-SSIBus *ssi_create_bus(DeviceState *parent, const char *name)
-{
- BusState *bus;
- bus = qbus_create(TYPE_SSI_BUS, parent, name);
- return FROM_QBUS(SSIBus, bus);
-}
-
-uint32_t ssi_transfer(SSIBus *bus, uint32_t val)
-{
- BusChild *kid;
- SSISlaveClass *ssc;
- uint32_t r = 0;
-
- QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
- SSISlave *slave = SSI_SLAVE(kid->child);
- ssc = SSI_SLAVE_GET_CLASS(slave);
- r |= ssc->transfer_raw(slave, val);
- }
-
- return r;
-}
-
-const VMStateDescription vmstate_ssi_slave = {
- .name = "SSISlave",
- .version_id = 1,
- .minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField[]) {
- VMSTATE_BOOL(cs, SSISlave),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void ssi_slave_register_types(void)
-{
- type_register_static(&ssi_bus_info);
- type_register_static(&ssi_slave_info);
-}
-
-type_init(ssi_slave_register_types)
-
-typedef struct SSIAutoConnectArg {
- qemu_irq **cs_linep;
- SSIBus *bus;
-} SSIAutoConnectArg;
-
-static int ssi_auto_connect_slave(Object *child, void *opaque)
-{
- SSIAutoConnectArg *arg = opaque;
- SSISlave *dev = (SSISlave *)object_dynamic_cast(child, TYPE_SSI_SLAVE);
- qemu_irq cs_line;
-
- if (!dev) {
- return 0;
- }
-
- cs_line = qdev_get_gpio_in(DEVICE(dev), 0);
- qdev_set_parent_bus(DEVICE(dev), &arg->bus->qbus);
- **arg->cs_linep = cs_line;
- (*arg->cs_linep)++;
- return 0;
-}
-
-void ssi_auto_connect_slaves(DeviceState *parent, qemu_irq *cs_line,
- SSIBus *bus)
-{
- SSIAutoConnectArg arg = {
- .cs_linep = &cs_line,
- .bus = bus
- };
-
- object_child_foreach(OBJECT(parent), ssi_auto_connect_slave, &arg);
-}