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Tsirkin" Subject: [RFC PATCH 2/7] hw/input/pckbd: Connect i8042 GPIOs once mouse/keyboard are realized Date: Fri, 9 Feb 2024 13:32:20 +0100 Message-ID: <20240209123226.32576-3-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240209123226.32576-1-philmd@linaro.org> References: <20240209123226.32576-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::434; envelope-from=philmd@linaro.org; helo=mail-wr1-x434.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1707482076743100001 While a device is not realized, we shouldn't call: - qdev_get_gpio_in_named() - qdev_connect_gpio_out() - isa_connect_gpio_out() Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- Probably better would be to declare the ISA wiring handlers in ISADeviceClass, but such class doesn't exist yet. --- hw/input/pckbd.c | 38 +++++++++++++++++++++++++++----------- 1 file changed, 27 insertions(+), 11 deletions(-) diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c index 90a4d9eb40..76175f6fe8 100644 --- a/hw/input/pckbd.c +++ b/hw/input/pckbd.c @@ -707,6 +707,12 @@ static void i8042_mmio_realize(DeviceState *dev, Error= **errp) if (!sysbus_realize(SYS_BUS_DEVICE(&ks->ps2mouse), errp)) { return; } +} + +static void i8042_mmio_wire(DeviceState *dev) +{ + MMIOKBDState *s =3D I8042_MMIO(dev); + KBDState *ks =3D &s->kbd; =20 qdev_connect_gpio_out(DEVICE(&ks->ps2kbd), PS2_DEVICE_IRQ, qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq", @@ -756,6 +762,7 @@ static void i8042_mmio_class_init(ObjectClass *klass, v= oid *data) DeviceClass *dc =3D DEVICE_CLASS(klass); =20 dc->realize =3D i8042_mmio_realize; + dc->wire =3D i8042_mmio_wire; dc->reset =3D i8042_mmio_reset; dc->vmsd =3D &vmstate_kbd_mmio; device_class_set_props(dc, i8042_mmio_properties); @@ -878,9 +885,6 @@ static void i8042_realizefn(DeviceState *dev, Error **e= rrp) return; } =20 - isa_connect_gpio_out(isadev, I8042_KBD_IRQ, isa_s->kbd_irq); - isa_connect_gpio_out(isadev, I8042_MOUSE_IRQ, isa_s->mouse_irq); - isa_register_ioport(isadev, isa_s->io + 0, 0x60); isa_register_ioport(isadev, isa_s->io + 1, 0x64); =20 @@ -888,18 +892,10 @@ static void i8042_realizefn(DeviceState *dev, Error *= *errp) return; } =20 - qdev_connect_gpio_out(DEVICE(&s->ps2kbd), PS2_DEVICE_IRQ, - qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq", - 0)); - if (!sysbus_realize(SYS_BUS_DEVICE(&s->ps2mouse), errp)) { return; } =20 - qdev_connect_gpio_out(DEVICE(&s->ps2mouse), PS2_DEVICE_IRQ, - qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq= ", - 0)); - if (isa_s->kbd_throttle && !isa_s->kbd.extended_state) { warn_report(TYPE_I8042 ": can't enable kbd-throttle without" " extended-state, disabling kbd-throttle"); @@ -909,6 +905,25 @@ static void i8042_realizefn(DeviceState *dev, Error **= errp) } } =20 +static void i8042_wire(DeviceState *dev) +{ + ISADevice *isadev =3D ISA_DEVICE(dev); + ISAKBDState *i8042 =3D I8042(dev); + KBDState *s =3D &i8042->kbd; + + isa_connect_gpio_out(isadev, I8042_KBD_IRQ, i8042->kbd_irq); + isa_connect_gpio_out(isadev, I8042_MOUSE_IRQ, i8042->mouse_irq); + + + qdev_connect_gpio_out(DEVICE(&s->ps2kbd), PS2_DEVICE_IRQ, + qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq", + 0)); + + qdev_connect_gpio_out(DEVICE(&s->ps2mouse), PS2_DEVICE_IRQ, + qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq= ", + 0)); +} + static void i8042_build_aml(AcpiDevAmlIf *adev, Aml *scope) { ISAKBDState *isa_s =3D I8042(adev); @@ -954,6 +969,7 @@ static void i8042_class_initfn(ObjectClass *klass, void= *data) device_class_set_props(dc, i8042_properties); dc->reset =3D i8042_reset; dc->realize =3D i8042_realizefn; + dc->wire =3D i8042_wire; dc->vmsd =3D &vmstate_kbd_isa; adevc->build_dev_aml =3D i8042_build_aml; set_bit(DEVICE_CATEGORY_INPUT, dc->categories); --=20 2.41.0