pci: merge agp handling from nouveau drm

This commit reinstates the pre-DEVINIT AGP fiddling that was broken in
an earlier commit.

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

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/include/nvif/os.h b/lib/include/nvif/os.h
index ce7dfb999..182ae5ad5 100644
--- a/lib/include/nvif/os.h
+++ b/lib/include/nvif/os.h
@@ -652,6 +652,17 @@ void  nvos_iounmap(void __iomem *ptr);
 #define memcpy_toio memcpy
 #define wmb()
 
+static inline int
+arch_phys_wc_add(u64 base, u64 size)
+{
+	return -1;
+}
+
+static inline void
+arch_phys_wc_del(int index)
+{
+}
+
 /******************************************************************************
  * io mapping
  *****************************************************************************/
@@ -990,6 +1001,49 @@ pci_disable_msi(struct pci_dev *pdev)
 #define pci_get_bus_and_slot(a, b) NULL
 #define pci_read_config_dword(a,b,c) *(c) = 0
 
+#define PCI_VENDOR_ID_NVIDIA 0x10de
+#define PCI_VENDOR_ID_VIA 0x1106
+
+/******************************************************************************
+ * AGP
+ *****************************************************************************/
+#define PCI_AGP_COMMAND_FW 0x10
+
+#ifdef CONFIG_AGP
+struct agp_bridge_data {
+};
+
+struct agp_kern_info {
+	struct pci_dev *device;
+	unsigned long mode;
+	unsigned long aper_base;
+	size_t aper_size;
+	bool cant_use_aperture;
+};
+
+static inline struct agp_bridge_data *
+agp_backend_acquire(struct pci_dev *pdev)
+{
+	return NULL;
+}
+
+static inline void
+agp_backend_release(struct agp_bridge_data *bridge)
+{
+}
+
+static inline int
+agp_copy_info(struct agp_bridge_data *bridge, struct agp_kern_info *info)
+{
+	return -ENOSYS;
+}
+
+static inline void
+agp_enable(struct agp_bridge_data *bridge, u32 mode)
+{
+}
+#endif
+
 /******************************************************************************
  * platform device
  *****************************************************************************/