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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c
new file mode 100644
index 000000000..9ab64194b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c
@@ -0,0 +1,59 @@
+/*
+ * 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"
+
+static u32
+nv04_pci_rd32(struct nvkm_pci *pci, u16 addr)
+{
+ struct nvkm_device *device = pci->subdev.device;
+ return nvkm_rd32(device, 0x001800 + addr);
+}
+
+static void
+nv04_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data)
+{
+ struct nvkm_device *device = pci->subdev.device;
+ nvkm_wr08(device, 0x001800 + addr, data);
+}
+
+static void
+nv04_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data)
+{
+ struct nvkm_device *device = pci->subdev.device;
+ nvkm_wr32(device, 0x001800 + addr, data);
+}
+
+static const struct nvkm_pci_func
+nv04_pci_func = {
+ .rd32 = nv04_pci_rd32,
+ .wr08 = nv04_pci_wr08,
+ .wr32 = nv04_pci_wr32,
+};
+
+int
+nv04_pci_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_pci **ppci)
+{
+ return nvkm_pci_new_(&nv04_pci_func, device, type, inst, ppci);
+}