@@ -11,6 +11,7 @@
#include <linux/io.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/iopoll.h>
+#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/timecounter.h>
#include <sound/core.h>
@@ -704,4 +705,29 @@ static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \
(ptr) = snd_array_elem(array, ++(idx)))
+/*
+ * Device matching
+ */
+
+#define HDA_CONTROLLER_IS_HSW(pci) (pci_match_id((struct pci_device_id []){ \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_HSW_0) }, \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_HSW_2) }, \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_HSW_3) }, \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_BDW) }, \
+ { } \
+ }, pci))
+
+#define HDA_CONTROLLER_IS_APL(pci) (pci_match_id((struct pci_device_id []){ \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_APL) }, \
+ { } \
+ }, pci))
+
+#define HDA_CONTROLLER_IN_GPU(pci) (pci_match_id((struct pci_device_id []){ \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG1) }, \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG2_0) }, \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG2_1) }, \
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG2_2) }, \
+ { } \
+ }, pci) || HDA_CONTROLLER_IS_HSW(pci))
+
#endif /* __SOUND_HDAUDIO_H */