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-rw-r--r--hw/arm/pxa2xx.c141
1 files changed, 86 insertions, 55 deletions
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index 8123f05eed..a015c991fe 100644
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -1759,24 +1759,33 @@ static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
}
/* PXA Fast Infra-red Communications Port */
+#define TYPE_PXA2XX_FIR "pxa2xx-fir"
+#define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR)
+
struct PXA2xxFIrState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
MemoryRegion iomem;
qemu_irq irq;
qemu_irq rx_dma;
qemu_irq tx_dma;
- int enable;
+ uint32_t enable;
CharDriverState *chr;
uint8_t control[3];
uint8_t status[2];
- int rx_len;
- int rx_start;
+ uint32_t rx_len;
+ uint32_t rx_start;
uint8_t rx_fifo[64];
};
-static void pxa2xx_fir_reset(PXA2xxFIrState *s)
+static void pxa2xx_fir_reset(DeviceState *d)
{
+ PXA2xxFIrState *s = PXA2XX_FIR(d);
+
s->control[0] = 0x00;
s->control[1] = 0x00;
s->control[2] = 0x00;
@@ -1953,73 +1962,94 @@ static void pxa2xx_fir_event(void *opaque, int event)
{
}
-static void pxa2xx_fir_save(QEMUFile *f, void *opaque)
+static void pxa2xx_fir_instance_init(Object *obj)
{
- PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
- int i;
-
- qemu_put_be32(f, s->enable);
-
- qemu_put_8s(f, &s->control[0]);
- qemu_put_8s(f, &s->control[1]);
- qemu_put_8s(f, &s->control[2]);
- qemu_put_8s(f, &s->status[0]);
- qemu_put_8s(f, &s->status[1]);
+ PXA2xxFIrState *s = PXA2XX_FIR(obj);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
- qemu_put_byte(f, s->rx_len);
- for (i = 0; i < s->rx_len; i ++)
- qemu_put_byte(f, s->rx_fifo[(s->rx_start + i) & 63]);
+ memory_region_init_io(&s->iomem, NULL, &pxa2xx_fir_ops, s,
+ "pxa2xx-fir", 0x1000);
+ sysbus_init_mmio(sbd, &s->iomem);
+ sysbus_init_irq(sbd, &s->irq);
+ sysbus_init_irq(sbd, &s->rx_dma);
+ sysbus_init_irq(sbd, &s->tx_dma);
}
-static int pxa2xx_fir_load(QEMUFile *f, void *opaque, int version_id)
+static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
{
- PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
- int i;
+ PXA2xxFIrState *s = PXA2XX_FIR(dev);
- s->enable = qemu_get_be32(f);
-
- qemu_get_8s(f, &s->control[0]);
- qemu_get_8s(f, &s->control[1]);
- qemu_get_8s(f, &s->control[2]);
- qemu_get_8s(f, &s->status[0]);
- qemu_get_8s(f, &s->status[1]);
+ if (s->chr) {
+ qemu_chr_fe_claim_no_fail(s->chr);
+ qemu_chr_add_handlers(s->chr, pxa2xx_fir_is_empty,
+ pxa2xx_fir_rx, pxa2xx_fir_event, s);
+ }
+}
- s->rx_len = qemu_get_byte(f);
- s->rx_start = 0;
- for (i = 0; i < s->rx_len; i ++)
- s->rx_fifo[i] = qemu_get_byte(f);
+static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
+{
+ PXA2xxFIrState *s = opaque;
- return 0;
+ return s->rx_start < sizeof(s->rx_fifo);
}
-static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
- hwaddr base,
- qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma,
- CharDriverState *chr)
-{
- PXA2xxFIrState *s = (PXA2xxFIrState *)
- g_malloc0(sizeof(PXA2xxFIrState));
+static const VMStateDescription pxa2xx_fir_vmsd = {
+ .name = "pxa2xx-fir",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(enable, PXA2xxFIrState),
+ VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
+ VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
+ VMSTATE_UINT32(rx_len, PXA2xxFIrState),
+ VMSTATE_UINT32(rx_start, PXA2xxFIrState),
+ VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
+ VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
+ VMSTATE_END_OF_LIST()
+ }
+};
- s->irq = irq;
- s->rx_dma = rx_dma;
- s->tx_dma = tx_dma;
- s->chr = chr;
+static Property pxa2xx_fir_properties[] = {
+ DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
+ DEFINE_PROP_END_OF_LIST(),
+};
- pxa2xx_fir_reset(s);
+static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
- memory_region_init_io(&s->iomem, NULL, &pxa2xx_fir_ops, s, "pxa2xx-fir", 0x1000);
- memory_region_add_subregion(sysmem, base, &s->iomem);
+ dc->realize = pxa2xx_fir_realize;
+ dc->vmsd = &pxa2xx_fir_vmsd;
+ dc->props = pxa2xx_fir_properties;
+ dc->reset = pxa2xx_fir_reset;
+}
- if (chr) {
- qemu_chr_fe_claim_no_fail(chr);
- qemu_chr_add_handlers(chr, pxa2xx_fir_is_empty,
- pxa2xx_fir_rx, pxa2xx_fir_event, s);
- }
+static const TypeInfo pxa2xx_fir_info = {
+ .name = TYPE_PXA2XX_FIR,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(PXA2xxFIrState),
+ .class_init = pxa2xx_fir_class_init,
+ .instance_init = pxa2xx_fir_instance_init,
+};
- register_savevm(NULL, "pxa2xx_fir", 0, 0, pxa2xx_fir_save,
- pxa2xx_fir_load, s);
+static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
+ hwaddr base,
+ qemu_irq irq, qemu_irq rx_dma,
+ qemu_irq tx_dma,
+ CharDriverState *chr)
+{
+ DeviceState *dev;
+ SysBusDevice *sbd;
- return s;
+ dev = qdev_create(NULL, TYPE_PXA2XX_FIR);
+ qdev_prop_set_chr(dev, "chardev", chr);
+ qdev_init_nofail(dev);
+ sbd = SYS_BUS_DEVICE(dev);
+ sysbus_mmio_map(sbd, 0, base);
+ sysbus_connect_irq(sbd, 0, irq);
+ sysbus_connect_irq(sbd, 1, rx_dma);
+ sysbus_connect_irq(sbd, 2, tx_dma);
+ return PXA2XX_FIR(dev);
}
static void pxa2xx_reset(void *opaque, int line, int level)
@@ -2323,6 +2353,7 @@ static void pxa2xx_register_types(void)
type_register_static(&pxa2xx_ssp_info);
type_register_static(&pxa2xx_i2c_info);
type_register_static(&pxa2xx_rtc_sysbus_info);
+ type_register_static(&pxa2xx_fir_info);
}
type_init(pxa2xx_register_types)
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-30 15:40:41 +0000