vitalif
/
mirror_qemu
mirror of https://github.com/proxmox/mirror_qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ohci: split reset method in 3 parts 

The three parts are:
- root hub reset (ohci_roothub_reset)
- host controller soft reset (ohci_soft_reset)
- host controller hard reset (ohci_hard_reset)

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-id: 1450567431-31795-2-git-send-email-hpoussin@reactos.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
master
Hervé Poussineau 2015-12-20 00:23:49 +01:00 committed by Gerd Hoffmann
parent a7e00e2536
commit 84d04e2162
1 changed files with 37 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
hw/usb/hcd-ohci.c
View File

@ -439,15 +439,37 @@ static void ohci_stop_endpoints(OHCIState *ohci)
}
}
/* Reset the controller */
static void ohci_reset(void *opaque)
static void ohci_roothub_reset(OHCIState *ohci)
{
OHCIState *ohci = opaque;
OHCIPort *port;
int i;
ohci_bus_stop(ohci);
ohci->ctl = 0;
ohci->rhdesc_a = OHCI_RHA_NPS | ohci->num_ports;
ohci->rhdesc_b = 0x0; /* Impl. specific */
ohci->rhstatus = 0;
for (i = 0; i < ohci->num_ports; i++) {
port = &ohci->rhport[i];
port->ctrl = 0;
if (port->port.dev && port->port.dev->attached) {
usb_port_reset(&port->port);
}
}
if (ohci->async_td) {
usb_cancel_packet(&ohci->usb_packet);
ohci->async_td = 0;
}
ohci_stop_endpoints(ohci);
}
/* Reset the controller */
static void ohci_soft_reset(OHCIState *ohci)
{
trace_usb_ohci_reset(ohci->name);
ohci_bus_stop(ohci);
ohci->ctl = (ohci->ctl & OHCI_CTL_IR) | OHCI_USB_SUSPEND;
ohci->old_ctl = 0;
ohci->status = 0;
ohci->intr_status = 0;
@ -470,25 +492,13 @@ static void ohci_reset(void *opaque)
ohci->frame_number = 0;
ohci->pstart = 0;
ohci->lst = OHCI_LS_THRESH;
}
ohci->rhdesc_a = OHCI_RHA_NPS | ohci->num_ports;
ohci->rhdesc_b = 0x0; /* Impl. specific */
ohci->rhstatus = 0;
for (i = 0; i < ohci->num_ports; i++)
{
port = &ohci->rhport[i];
port->ctrl = 0;
if (port->port.dev && port->port.dev->attached) {
usb_port_reset(&port->port);
}
}
if (ohci->async_td) {
usb_cancel_packet(&ohci->usb_packet);
ohci->async_td = 0;
}
ohci_stop_endpoints(ohci);
trace_usb_ohci_reset(ohci->name);
static void ohci_hard_reset(OHCIState *ohci)
{
ohci_soft_reset(ohci);
ohci->ctl = 0;
ohci_roothub_reset(ohci);
}
/* Get an array of dwords from main memory */
@ -1441,7 +1451,7 @@ static void ohci_set_ctl(OHCIState *ohci, uint32_t val)
trace_usb_ohci_resume(ohci->name);
break;
case OHCI_USB_RESET:
ohci_reset(ohci);
ohci_hard_reset(ohci);
break;
}
}
@ -1704,7 +1714,7 @@ static void ohci_mem_write(void *opaque,
ohci->status |= val;
if (ohci->status & OHCI_STATUS_HCR)
ohci_reset(ohci);
ohci_hard_reset(ohci);
break;
case 3: /* HcInterruptStatus */
@ -1783,7 +1793,7 @@ static void ohci_mem_write(void *opaque,
case 25: /* HcHReset */
ohci->hreset = val & ~OHCI_HRESET_FSBIR;
if (val & OHCI_HRESET_FSBIR)
ohci_reset(ohci);
ohci_hard_reset(ohci);
break;
case 26: /* HcHInterruptEnable */
@ -1960,7 +1970,7 @@ static void usb_ohci_reset_pci(DeviceState *d)
OHCIPCIState *ohci = PCI_OHCI(dev);
OHCIState *s = &ohci->state;
ohci_reset(s);
ohci_hard_reset(s);
}
#define TYPE_SYSBUS_OHCI "sysbus-ohci"
@ -1993,7 +2003,7 @@ static void usb_ohci_reset_sysbus(DeviceState *dev)
OHCISysBusState *s = SYSBUS_OHCI(dev);
OHCIState *ohci = &s->ohci;
ohci_reset(ohci);
ohci_hard_reset(ohci);
}
static Property ohci_pci_properties[] = {