From 19eb2a0da272289e8879fb2780522f37630ac651 Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Sat, 28 May 2022 10:02:11 +0100 Subject: [PATCH] hw/acpi/piix4: alter piix4_pm_init() to return PIIX4PMState MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This exposes the PIIX4_PM device to the caller to allow any qdev gpios to be mapped outside of piix4_pm_init(). Signed-off-by: Mark Cave-Ayland Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20220528091934.15520-6-mark.cave-ayland@ilande.co.uk> Reviewed-by: Bernhard Beschow Signed-off-by: Philippe Mathieu-Daudé --- hw/acpi/piix4.c | 11 ++++------- hw/i386/pc_piix.c | 10 +++++----- hw/isa/piix4.c | 8 +++++--- include/hw/southbridge/piix.h | 7 ++++--- 4 files changed, 18 insertions(+), 18 deletions(-) diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index c2177c5093..c4cfb75020 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -497,9 +497,9 @@ static void piix4_pm_realize(PCIDevice *dev, Error **errp) piix4_pm_add_properties(s); } -I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, - qemu_irq sci_irq, qemu_irq smi_irq, - bool smm_enabled, DeviceState **piix4_pm) +PIIX4PMState *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, + qemu_irq sci_irq, qemu_irq smi_irq, + bool smm_enabled) { PCIDevice *pci_dev; DeviceState *dev; @@ -509,9 +509,6 @@ I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, dev = DEVICE(pci_dev); qdev_prop_set_uint32(dev, "smb_io_base", smb_io_base); qdev_prop_set_bit(dev, "smm-enabled", smm_enabled); - if (piix4_pm) { - *piix4_pm = dev; - } s = PIIX4_PM(dev); s->irq = sci_irq; @@ -519,7 +516,7 @@ I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, pci_realize_and_unref(pci_dev, bus, &error_fatal); - return s->smb.smbus; + return s; } static uint64_t gpe_readb(void *opaque, hwaddr addr, unsigned width) diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index bd63511c1c..3359b40f54 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -280,14 +280,14 @@ static void pc_init1(MachineState *machine, } if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { - DeviceState *piix4_pm; + PIIX4PMState *piix4_pm; smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); + piix4_pm = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, + x86ms->gsi[9], smi_irq, + x86_machine_is_smm_enabled(x86ms)); + pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); /* TODO: Populate SPD eeprom data. */ - pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, - x86ms->gsi[9], smi_irq, - x86_machine_is_smm_enabled(x86ms), - &piix4_pm); smbus_eeprom_init(pcms->smbus, 8, NULL, 0); object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index 8607e0ac36..7d9bedd1bb 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -293,6 +293,7 @@ static int pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num) DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus) { PIIX4State *s; + PIIX4PMState *pms; PCIDevice *pci; DeviceState *dev; int devfn = PCI_DEVFN(10, 0); @@ -310,9 +311,10 @@ DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus) pci_create_simple(pci_bus, devfn + 2, "piix4-usb-uhci"); if (smbus) { - *smbus = piix4_pm_init(pci_bus, devfn + 3, 0x1100, - qdev_get_gpio_in_named(dev, "isa", 9), - NULL, 0, NULL); + pms = piix4_pm_init(pci_bus, devfn + 3, 0x1100, + qdev_get_gpio_in_named(dev, "isa", 9), + NULL, 0); + *smbus = I2C_BUS(qdev_get_child_bus(DEVICE(pms), "i2c")); } pci_bus_irqs(pci_bus, piix4_set_irq, pci_slot_get_pirq, s, PIIX_NUM_PIRQS); diff --git a/include/hw/southbridge/piix.h b/include/hw/southbridge/piix.h index 04cbc3fe30..a362ec7484 100644 --- a/include/hw/southbridge/piix.h +++ b/include/hw/southbridge/piix.h @@ -14,10 +14,11 @@ #include "hw/pci/pci.h" #include "qom/object.h" +#include "hw/acpi/piix4.h" -I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, - qemu_irq sci_irq, qemu_irq smi_irq, - bool smm_enabled, DeviceState **piix4_pm); +PIIX4PMState *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, + qemu_irq sci_irq, qemu_irq smi_irq, + bool smm_enabled); /* PIRQRC[A:D]: PIRQx Route Control Registers */ #define PIIX_PIRQCA 0x60