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| author | Corey Minyard | 2018-08-20 22:26:06 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2018-08-23 18:46:25 +0200 |
| commit | e724385a7071483b95c3cc8a33d130f781daa217 (patch) | |
| tree | bdfc43938cc97676fd6919685e4175530871a0b6 /hw/i2c/smbus_ich9.c | |
| parent | i2c: pm_smbus: Add block transfer capability (diff) | |
| download | qemu-e724385a7071483b95c3cc8a33d130f781daa217.tar.gz qemu-e724385a7071483b95c3cc8a33d130f781daa217.tar.xz qemu-e724385a7071483b95c3cc8a33d130f781daa217.zip | |
i2c: pm_smbus: Add interrupt handling
Add the necessary code so that interrupts actually work from
the pm_smbus device.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1534796770-10295-7-git-send-email-minyard@acm.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/i2c/smbus_ich9.c')
| -rw-r--r-- | hw/i2c/smbus_ich9.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c index a66a1144c5..522a703c26 100644 --- a/hw/i2c/smbus_ich9.c +++ b/hw/i2c/smbus_ich9.c @@ -40,6 +40,8 @@ typedef struct ICH9SMBState { PCIDevice dev; + bool irq_enabled; + PMSMBus smb; } ICH9SMBState; @@ -109,11 +111,25 @@ static void ich9_smb_class_init(ObjectClass *klass, void *data) dc->user_creatable = false; } +static void ich9_smb_set_irq(PMSMBus *pmsmb, bool enabled) +{ + ICH9SMBState *s = pmsmb->opaque; + + if (enabled == s->irq_enabled) { + return; + } + + s->irq_enabled = enabled; + pci_set_irq(&s->dev, enabled); +} + I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base) { PCIDevice *d = pci_create_simple_multifunction(bus, devfn, true, TYPE_ICH9_SMB_DEVICE); ICH9SMBState *s = ICH9_SMB_DEVICE(d); + s->smb.set_irq = ich9_smb_set_irq; + s->smb.opaque = s; return s->smb.smbus; } |