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Fix USB root hub hotplugging.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1931 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-05-22 17:17:06 +00:00
parent 6cb7ee859a
commit 6106487019
2 changed files with 34 additions and 29 deletions
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53
hw/usb-ohci.c
View File

@ -248,19 +248,39 @@ struct ohci_td {
#define OHCI_CC_BUFFEROVERRUN 0xc #define OHCI_CC_BUFFEROVERRUN 0xc
#define OHCI_CC_BUFFERUNDERRUN 0xd #define OHCI_CC_BUFFERUNDERRUN 0xd
/* Update IRQ levels */
static inline void ohci_intr_update(OHCIState *ohci)
{
int level = 0;
if ((ohci->intr & OHCI_INTR_MIE) &&
(ohci->intr_status & ohci->intr))
level = 1;
pci_set_irq(&ohci->pci_dev, 0, level);
}
/* Set an interrupt */
static inline void ohci_set_interrupt(OHCIState *ohci, uint32_t intr)
{
ohci->intr_status |= intr;
ohci_intr_update(ohci);
}
/* Attach or detach a device on a root hub port. */
static void ohci_attach(USBPort *port1, USBDevice *dev) static void ohci_attach(USBPort *port1, USBDevice *dev)
{ {
OHCIState *s = port1->opaque; OHCIState *s = port1->opaque;
OHCIPort *port = &s->rhport[port1->index]; OHCIPort *port = &s->rhport[port1->index];
uint32_t old_state = port->ctrl;
if (dev) { if (dev) {
if (port->port.dev) { if (port->port.dev) {
usb_attach(port1, NULL); usb_attach(port1, NULL);
} }
/* set connect status */ /* set connect status */
if (!(port->ctrl & OHCI_PORT_CCS)) { port->ctrl |= OHCI_PORT_CCS | OHCI_PORT_CSC;
port->ctrl |= OHCI_PORT_CCS | OHCI_PORT_CSC;
}
/* update speed */ /* update speed */
if (dev->speed == USB_SPEED_LOW) if (dev->speed == USB_SPEED_LOW)
port->ctrl |= OHCI_PORT_LSDA; port->ctrl |= OHCI_PORT_LSDA;
@ -273,8 +293,9 @@ static void ohci_attach(USBPort *port1, USBDevice *dev)
dprintf("usb-ohci: Attached port %d\n", port1->index); dprintf("usb-ohci: Attached port %d\n", port1->index);
} else { } else {
/* set connect status */ /* set connect status */
if (!(port->ctrl & OHCI_PORT_CCS)) { if (port->ctrl & OHCI_PORT_CCS) {
port->ctrl |= OHCI_PORT_CCS | OHCI_PORT_CSC; port->ctrl &= ~OHCI_PORT_CCS;
port->ctrl |= OHCI_PORT_CSC;
} }
/* disable port */ /* disable port */
if (port->ctrl & OHCI_PORT_PES) { if (port->ctrl & OHCI_PORT_PES) {
@ -290,6 +311,9 @@ static void ohci_attach(USBPort *port1, USBDevice *dev)
port->port.dev = NULL; port->port.dev = NULL;
dprintf("usb-ohci: Detached port %d\n", port1->index); dprintf("usb-ohci: Detached port %d\n", port1->index);
} }
if (old_state != port->ctrl)
ohci_set_interrupt(s, OHCI_INTR_RHSC);
} }
/* Reset the controller */ /* Reset the controller */
@ -335,25 +359,6 @@ static void ohci_reset(OHCIState *ohci)
dprintf("usb-ohci: Reset %s\n", ohci->pci_dev.name); dprintf("usb-ohci: Reset %s\n", ohci->pci_dev.name);
} }
/* Update IRQ levels */
static inline void ohci_intr_update(OHCIState *ohci)
{
int level = 0;
if ((ohci->intr & OHCI_INTR_MIE) &&
(ohci->intr_status & ohci->intr))
level = 1;
pci_set_irq(&ohci->pci_dev, 0, level);
}
/* Set an interrupt */
static inline void ohci_set_interrupt(OHCIState *ohci, uint32_t intr)
{
ohci->intr_status |= intr;
ohci_intr_update(ohci);
}
/* Get an array of dwords from main memory */ /* Get an array of dwords from main memory */
static inline int get_dwords(uint32_t addr, uint32_t *buf, int num) static inline int get_dwords(uint32_t addr, uint32_t *buf, int num)
{ {

10
hw/usb-uhci.c
View File

@ -327,9 +327,8 @@ static void uhci_attach(USBPort *port1, USBDevice *dev)
usb_attach(port1, NULL); usb_attach(port1, NULL);
} }
/* set connect status */ /* set connect status */
if (!(port->ctrl & UHCI_PORT_CCS)) { port->ctrl |= UHCI_PORT_CCS | UHCI_PORT_CSC;
port->ctrl |= UHCI_PORT_CCS | UHCI_PORT_CSC;
}
/* update speed */ /* update speed */
if (dev->speed == USB_SPEED_LOW) if (dev->speed == USB_SPEED_LOW)
port->ctrl |= UHCI_PORT_LSDA; port->ctrl |= UHCI_PORT_LSDA;
@ -341,8 +340,9 @@ static void uhci_attach(USBPort *port1, USBDevice *dev)
USB_MSG_ATTACH, 0, 0, NULL, 0); USB_MSG_ATTACH, 0, 0, NULL, 0);
} else { } else {
/* set connect status */ /* set connect status */
if (!(port->ctrl & UHCI_PORT_CCS)) { if (port->ctrl & UHCI_PORT_CCS) {
port->ctrl |= UHCI_PORT_CCS | UHCI_PORT_CSC; port->ctrl &= ~UHCI_PORT_CCS;
port->ctrl |= UHCI_PORT_CSC;
} }
/* disable port */ /* disable port */
if (port->ctrl & UHCI_PORT_EN) { if (port->ctrl & UHCI_PORT_EN) {