Re: [PATCH v3 13/15] acpi: move aml builder code for i8042 (kbd+mouse) device

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 4/29/20 4:00 PM, Gerd Hoffmann wrote:
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
>   hw/i386/acpi-build.c | 39 ---------------------------------------
>   hw/input/pckbd.c     | 31 +++++++++++++++++++++++++++++++
>   2 files changed, 31 insertions(+), 39 deletions(-)
> 
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index 7415bd5fdce0..643e875c05a5 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -1052,42 +1052,6 @@ static void build_hpet_aml(Aml *table)
>       aml_append(table, scope);
>   }
>   
> -static Aml *build_kbd_device_aml(void)
> -{
> -    Aml *dev;
> -    Aml *crs;
> -
> -    dev = aml_device("KBD");
> -    aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0303")));
> -
> -    aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
> -
> -    crs = aml_resource_template();
> -    aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01));
> -    aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01));
> -    aml_append(crs, aml_irq_no_flags(1));
> -    aml_append(dev, aml_name_decl("_CRS", crs));
> -
> -    return dev;
> -}
> -
> -static Aml *build_mouse_device_aml(void)
> -{
> -    Aml *dev;
> -    Aml *crs;
> -
> -    dev = aml_device("MOU");
> -    aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0F13")));
> -
> -    aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
> -
> -    crs = aml_resource_template();
> -    aml_append(crs, aml_irq_no_flags(12));
> -    aml_append(dev, aml_name_decl("_CRS", crs));
> -
> -    return dev;
> -}
> -
>   static void build_isa_devices_aml(Aml *table)
>   {
>       bool ambiguous;
> @@ -1095,9 +1059,6 @@ static void build_isa_devices_aml(Aml *table)
>       Aml *scope = aml_scope("_SB.PCI0.ISA");
>       Object *obj = object_resolve_path_type("", TYPE_ISA_BUS, &ambiguous);
>   
> -    aml_append(scope, build_kbd_device_aml());
> -    aml_append(scope, build_mouse_device_aml());
> -
>       if (ambiguous) {
>           error_report("Multiple ISA busses, unable to define IPMI ACPI data");
>       } else if (!obj) {
> diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c
> index 60a41303203a..29d633ca9478 100644
> --- a/hw/input/pckbd.c
> +++ b/hw/input/pckbd.c
> @@ -26,6 +26,7 @@
>   #include "qemu/log.h"
>   #include "hw/isa/isa.h"
>   #include "migration/vmstate.h"
> +#include "hw/acpi/aml-build.h"
>   #include "hw/input/ps2.h"
>   #include "hw/irq.h"
>   #include "hw/input/i8042.h"
> @@ -561,12 +562,42 @@ static void i8042_realizefn(DeviceState *dev, Error **errp)
>       qemu_register_reset(kbd_reset, s);
>   }
>   
> +static void i8042_build_aml(ISADevice *isadev, Aml *scope)
> +{
> +    Aml *kbd;
> +    Aml *mou;
> +    Aml *crs;
> +
> +    crs = aml_resource_template();
> +    aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01));
> +    aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01));
> +    aml_append(crs, aml_irq_no_flags(1));
> +
> +    kbd = aml_device("KBD");
> +    aml_append(kbd, aml_name_decl("_HID", aml_eisaid("PNP0303")));
> +    aml_append(kbd, aml_name_decl("_STA", aml_int(0xf)));
> +    aml_append(kbd, aml_name_decl("_CRS", crs));
> +
> +    crs = aml_resource_template();
> +    aml_append(crs, aml_irq_no_flags(12));
> +
> +    mou = aml_device("MOU");
> +    aml_append(mou, aml_name_decl("_HID", aml_eisaid("PNP0F13")));
> +    aml_append(mou, aml_name_decl("_STA", aml_int(0xf)));
> +    aml_append(mou, aml_name_decl("_CRS", crs));
> +
> +    aml_append(scope, kbd);
> +    aml_append(scope, mou);
> +}
> +
>   static void i8042_class_initfn(ObjectClass *klass, void *data)
>   {
>       DeviceClass *dc = DEVICE_CLASS(klass);
> +    ISADeviceClass *isa = ISA_DEVICE_CLASS(klass);
>   
>       dc->realize = i8042_realizefn;
>       dc->vmsd = &vmstate_kbd_isa;
> +    isa->build_aml = i8042_build_aml;
>       set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
>   }
>   
>