1 files changed, 57 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g92.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g92.c
new file mode 100644
index 000000000000..48874359d5f6
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g92.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2015 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+#include "priv.h"
+
+int
+g92_pcie_version_supported(struct nvkm_pci *pci)
+{
+        if ((nvkm_pci_rd32(pci, 0x460) & 0x200) == 0x200)
+                return 2;
+        return 1;
+}
+
+static const struct nvkm_pci_func
+g92_pci_func = {
+        .init = g84_pci_init,
+        .rd32 = nv40_pci_rd32,
+        .wr08 = nv40_pci_wr08,
+        .wr32 = nv40_pci_wr32,
+        .msi_rearm = nv46_pci_msi_rearm,
+
+        .pcie.init = g84_pcie_init,
+        .pcie.set_link = g84_pcie_set_link,
+
+        .pcie.max_speed = g84_pcie_max_speed,
+        .pcie.cur_speed = g84_pcie_cur_speed,
+
+        .pcie.set_version = g84_pcie_set_version,
+        .pcie.version = g84_pcie_version,
+        .pcie.version_supported = g92_pcie_version_supported,
+};
+
+int
+g92_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci)
+{
+        return nvkm_pci_new_(&g92_pci_func, device, index, ppci);
+}