drm/nouveau/acpi: move definitions out of nouveau_drv.h

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_acpi.h

@@ -0,0 +1,22 @@
+#ifndef __NOUVEAU_ACPI_H__
+#define __NOUVEAU_ACPI_H__
+
+#define ROM_BIOS_PAGE 4096
+
+#if defined(CONFIG_ACPI)
+void nouveau_register_dsm_handler(void);
+void nouveau_unregister_dsm_handler(void);
+void nouveau_switcheroo_optimus_dsm(void);
+int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
+bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
+void *nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
+#else
+static inline void nouveau_register_dsm_handler(void) {}
+static inline void nouveau_unregister_dsm_handler(void) {}
+static inline void nouveau_switcheroo_optimus_dsm(void) {}
+static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
+static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
+static inline void *nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return NULL; }
+#endif
+
+#endif