[071/132] meson: convert hw/usb

diff --git a/Makefile.target b/Makefile.target
index c2fcb22..a41e4e5 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -167,6 +167,7 @@  endif
 LIBS := $(LIBS) $(BRLAPI_LIBS) $(SDL_LIBS) $(SPICE_LIBS) $(OPENGL_LIBS) $(SECCOMP_LIBS)
 LIBS := $(LIBS) $(COREAUDIO_LIBS) $(DSOUND_LIBS)
 LIBS := $(LIBS) $(VDE_LIBS) $(SLIRP_LIBS)
+LIBS := $(LIBS) $(LIBUSB_LIBS) $(SMARTCARD_LIBS) $(USB_REDIR_LIBS)
 
 # Hardware support
 ifeq ($(TARGET_NAME), sparc64)
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index d0c817b..df804a0 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -30,7 +30,6 @@  devices-dirs-y += sd/
 devices-dirs-y += ssi/
 devices-dirs-y += timer/
 devices-dirs-$(CONFIG_TPM) += tpm/
-devices-dirs-y += usb/
 endif
 
 common-obj-y += $(devices-dirs-y)
diff --git a/hw/meson.build b/hw/meson.build
index 16c0abd..43797f9 100644
--- a/hw/meson.build
+++ b/hw/meson.build
@@ -2,6 +2,7 @@  subdir('core')
 subdir('mem')
 subdir('semihosting')
 subdir('smbios')
+subdir('usb')
 subdir('vfio')
 subdir('virtio')
 subdir('watchdog')
diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
deleted file mode 100644
index 303ac08..0000000
--- a/hw/usb/Makefile.objs
+++ /dev/null
@@ -1,62 +0,0 @@ 
-# usb subsystem core
-common-obj-y += core.o combined-packet.o bus.o libhw.o
-common-obj-$(CONFIG_USB) += desc.o desc-msos.o
-
-# usb host adapters
-common-obj-$(CONFIG_USB_UHCI) += hcd-uhci.o
-common-obj-$(CONFIG_USB_OHCI) += hcd-ohci.o
-common-obj-$(CONFIG_USB_OHCI_PCI) += hcd-ohci-pci.o
-common-obj-$(CONFIG_USB_EHCI) += hcd-ehci.o
-common-obj-$(CONFIG_USB_EHCI_PCI) += hcd-ehci-pci.o
-common-obj-$(CONFIG_USB_EHCI_SYSBUS) += hcd-ehci-sysbus.o
-common-obj-$(CONFIG_USB_XHCI) += hcd-xhci.o
-common-obj-$(CONFIG_USB_XHCI_NEC) += hcd-xhci-nec.o
-common-obj-$(CONFIG_USB_MUSB) += hcd-musb.o
-
-obj-$(CONFIG_TUSB6010) += tusb6010.o
-obj-$(CONFIG_IMX)      += chipidea.o
-
-# emulated usb devices
-common-obj-$(CONFIG_USB) += dev-hub.o
-common-obj-$(CONFIG_USB) += dev-hid.o
-common-obj-$(CONFIG_USB_TABLET_WACOM) += dev-wacom.o
-common-obj-$(CONFIG_USB_STORAGE_BOT)  += dev-storage.o
-common-obj-$(CONFIG_USB_STORAGE_UAS)  += dev-uas.o
-common-obj-$(CONFIG_USB_AUDIO)        += dev-audio.o
-common-obj-$(CONFIG_USB_SERIAL)       += dev-serial.o
-common-obj-$(CONFIG_USB_NETWORK)      += dev-network.o
-common-obj-$(CONFIG_USB_BLUETOOTH)    += dev-bluetooth.o
-
-ifeq ($(CONFIG_USB_SMARTCARD),y)
-common-obj-y                          += dev-smartcard-reader.o
-common-obj-$(CONFIG_SMARTCARD)        += smartcard.mo
-smartcard.mo-objs := ccid-card-passthru.o ccid-card-emulated.o
-smartcard.mo-cflags := $(SMARTCARD_CFLAGS)
-smartcard.mo-libs := $(SMARTCARD_LIBS)
-endif
-
-ifeq ($(CONFIG_POSIX),y)
-common-obj-$(CONFIG_USB_STORAGE_MTP)  += dev-mtp.o
-endif
-
-# usb redirection
-common-obj-$(CONFIG_USB_REDIR) += redirect.o quirks.o
-redirect.o-cflags = $(USB_REDIR_CFLAGS)
-redirect.o-libs = $(USB_REDIR_LIBS)
-
-# usb pass-through
-ifeq ($(CONFIG_USB_LIBUSB)$(CONFIG_USB),yy)
-common-obj-y += host-libusb.o
-else
-common-obj-y += host-stub.o
-endif
-common-obj-$(CONFIG_ALL) += host-stub.o
-
-host-libusb.o-cflags := $(LIBUSB_CFLAGS)
-host-libusb.o-libs := $(LIBUSB_LIBS)
-
-ifeq ($(CONFIG_USB_LIBUSB),y)
-common-obj-$(CONFIG_XEN) += xen-usb.o
-xen-usb.o-cflags := $(LIBUSB_CFLAGS)
-xen-usb.o-libs := $(LIBUSB_LIBS)
-endif
diff --git a/hw/usb/meson.build b/hw/usb/meson.build
new file mode 100644
index 0000000..8292256
--- /dev/null
+++ b/hw/usb/meson.build
@@ -0,0 +1,54 @@ 
+# usb subsystem core
+softmmu_ss.add(files(
+  'bus.c',
+  'combined-packet.c',
+  'core.c',
+  'libhw.c'
+))
+
+softmmu_ss.add(when: 'CONFIG_USB', if_true: files(
+  'desc.c',
+  'desc-msos.c',
+))
+
+# usb host adapters
+softmmu_ss.add(when: 'CONFIG_USB_UHCI', if_true: files('hcd-uhci.c'))
+softmmu_ss.add(when: 'CONFIG_USB_OHCI', if_true: files('hcd-ohci.c'))
+softmmu_ss.add(when: 'CONFIG_USB_OHCI_PCI', if_true: files('hcd-ohci-pci.c'))
+softmmu_ss.add(when: 'CONFIG_USB_EHCI', if_true: files('hcd-ehci.c'))
+softmmu_ss.add(when: 'CONFIG_USB_EHCI_PCI', if_true: files('hcd-ehci-pci.c'))
+softmmu_ss.add(when: 'CONFIG_USB_EHCI_SYSBUS', if_true: files('hcd-ehci.c', 'hcd-ehci-sysbus.c'))
+softmmu_ss.add(when: 'CONFIG_USB_XHCI', if_true: files('hcd-xhci.c'))
+softmmu_ss.add(when: 'CONFIG_USB_XHCI_NEC', if_true: files('hcd-xhci-nec.c'))
+softmmu_ss.add(when: 'CONFIG_USB_MUSB', if_true: files('hcd-musb.c'))
+
+specific_ss.add(when: 'CONFIG_TUSB6010', if_true: files('tusb6010.c'))
+specific_ss.add(when: 'CONFIG_IMX', if_true: files('chipidea.c'))
+
+# emulated usb devices
+softmmu_ss.add(when: 'CONFIG_USB', if_true: files('dev-hub.c'))
+softmmu_ss.add(when: 'CONFIG_USB', if_true: files('dev-hid.c'))
+softmmu_ss.add(when: 'CONFIG_USB_TABLET_WACOM', if_true: files('dev-wacom.c'))
+softmmu_ss.add(when: 'CONFIG_USB_STORAGE_BOT', if_true: files('dev-storage.c'))
+softmmu_ss.add(when: 'CONFIG_USB_STORAGE_UAS', if_true: files('dev-uas.c'))
+softmmu_ss.add(when: 'CONFIG_USB_AUDIO', if_true: files('dev-audio.c'))
+softmmu_ss.add(when: 'CONFIG_USB_SERIAL', if_true: files('dev-serial.c'))
+softmmu_ss.add(when: 'CONFIG_USB_NETWORK', if_true: files('dev-network.c'))
+softmmu_ss.add(when: 'CONFIG_USB_BLUETOOTH', if_true: files('dev-bluetooth.c'))
+
+softmmu_ss.add(when: 'CONFIG_USB_SMARTCARD', if_true: files('dev-smartcard-reader.c'))
+softmmu_ss.add(when: ['CONFIG_USB_SMARTCARD', 'CONFIG_SMARTCARD', cacard], if_true: files(
+  'ccid-card-emulated.c',
+  'ccid-card-passthru.c',
+))
+
+softmmu_ss.add(when: ['CONFIG_POSIX', 'CONFIG_USB_STORAGE_MTP'], if_true: files('dev-mtp.c'))
+
+# usb redirect
+softmmu_ss.add(when: [usbredir, 'CONFIG_USB_REDIR'], if_true: files('redirect.c', 'quirks.c'))
+
+# usb pass-through
+softmmu_ss.add(when: [libusb, 'CONFIG_USB_LIBUSB'], if_true: files('host-libusb.c'), if_false: files('host-stub.c'))
+softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('host-stub.c'))
+
+softmmu_ss.add(when: [libusb, 'CONFIG_XEN'], if_true: files('xen-usb.c'))
diff --git a/meson.build b/meson.build
index f1c5e7a..58bc25c 100644
--- a/meson.build
+++ b/meson.build
@@ -300,6 +300,21 @@  if 'CONFIG_XEN_BACKEND' in config_host
   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
                            link_args: config_host['XEN_LIBS'].split())
 endif
+cacard = declare_dependency()
+if 'CONFIG_SMARTCARD' in config_host
+  cacard = declare_dependency(compile_args: config_host['SMARTCARD_CFLAGS'].split(),
+                              link_args: config_host['SMARTCARD_LIBS'].split())
+endif
+usbredir = declare_dependency()
+if 'CONFIG_USB_REDIR' in config_host
+  usbredir = declare_dependency(compile_args: config_host['USB_REDIR_CFLAGS'].split(),
+                                link_args: config_host['USB_REDIR_LIBS'].split())
+endif
+libusb = declare_dependency()
+if 'CONFIG_USB_LIBUSB' in config_host
+  libusb = declare_dependency(compile_args: config_host['LIBUSB_CFLAGS'].split(),
+                              link_args: config_host['LIBUSB_LIBS'].split())
+endif
 
 create_config = find_program('scripts/create_config')
 minikconf = find_program('scripts/minikconf.py')