diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/irq.h | 23 | ||||
| -rw-r--r-- | include/hw/sd/sd.h | 1 | ||||
| -rw-r--r-- | include/hw/ssi/ssi.h | 14 |
3 files changed, 36 insertions, 2 deletions
diff --git a/include/hw/irq.h b/include/hw/irq.h index b3012237ac..291fdd67df 100644 --- a/include/hw/irq.h +++ b/include/hw/irq.h @@ -36,12 +36,33 @@ static inline void qemu_irq_pulse(qemu_irq irq) /* * Init a single IRQ. The irq is assigned with a handler, an opaque data - * and the interrupt number. + * and the interrupt number. The caller must free this with qemu_free_irq(). + * If you are using this inside a device's init or realize method, then + * qemu_init_irq_child() is probably a better choice to avoid the need + * to manually clean up the IRQ. */ void qemu_init_irq(IRQState *irq, qemu_irq_handler handler, void *opaque, int n); /** + * qemu_init_irq_child: Initialize IRQ and make it a QOM child + * @parent: QOM object which owns this IRQ + * @propname: child property name + * @irq: pointer to IRQState to initialize + * @handler: handler function for incoming interrupts + * @opaque: opaque data to pass to @handler + * @n: interrupt number to pass to @handler + * + * Init a single IRQ and make the IRQ object a child of @parent with + * the child-property name @propname. The IRQ object will thus be + * automatically freed when @parent is destroyed. + */ +void qemu_init_irq_child(Object *parent, const char *propname, + IRQState *irq, qemu_irq_handler handler, + void *opaque, int n); + + +/** * qemu_init_irqs: Initialize an array of IRQs. * * @irq: Array of IRQs to initialize diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h index 55d363f58f..91b5c40a5f 100644 --- a/include/hw/sd/sd.h +++ b/include/hw/sd/sd.h @@ -56,7 +56,6 @@ #define AKE_SEQ_ERROR (1 << 3) enum SDPhySpecificationVersion { - SD_PHY_SPECv1_10_VERS = 1, SD_PHY_SPECv2_00_VERS = 2, SD_PHY_SPECv3_01_VERS = 3, }; diff --git a/include/hw/ssi/ssi.h b/include/hw/ssi/ssi.h index 3cdcbd5390..2ad8033d8f 100644 --- a/include/hw/ssi/ssi.h +++ b/include/hw/ssi/ssi.h @@ -38,6 +38,7 @@ struct SSIPeripheralClass { /* if you have standard or no CS behaviour, just override transfer. * This is called when the device cs is active (true by default). + * See ssi_transfer(). */ uint32_t (*transfer)(SSIPeripheral *dev, uint32_t val); /* called when the CS line changes. Optional, devices only need to implement @@ -52,6 +53,7 @@ struct SSIPeripheralClass { * of the CS behaviour at the device level. transfer, set_cs, and * cs_polarity are unused if this is overwritten. Transfer_raw will * always be called for the device for every txrx access to the parent bus + * See ssi_transfer(). */ uint32_t (*transfer_raw)(SSIPeripheral *dev, uint32_t val); }; @@ -110,6 +112,18 @@ bool ssi_realize_and_unref(DeviceState *dev, SSIBus *bus, Error **errp); /* Master interface. */ SSIBus *ssi_create_bus(DeviceState *parent, const char *name); +/** + * Transfer a word on a SSI bus + * @bus: SSI bus + * @val: word to transmit + * + * At the same time, read a word and write the @val one on the SSI bus. + * + * SSI words might vary between 8 and 32 bits. The same number of bits + * written is received. + * + * Return: word value received + */ uint32_t ssi_transfer(SSIBus *bus, uint32_t val); DeviceState *ssi_get_cs(SSIBus *bus, uint8_t cs_index); |