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authorBen Skeggs <bskeggs@redhat.com>2015-10-01 02:34:45 +0300
committerBen Skeggs <bskeggs@redhat.com>2015-11-03 08:02:18 +0300
commitb31505c472f2451c6143bf4727e79ea177a35ca5 (patch)
tree5af1ec4a39e2869a4b4866f8aa9a06a61e8f6251 /drivers/gpu/drm/nouveau/nvkm/subdev/pci
parent3e55b53bc7039f1a6b051aa1a5ba15eec6dce2e7 (diff)
downloadlinux-b31505c472f2451c6143bf4727e79ea177a35ca5.tar.xz
drm/nouveau/pci/g94: split implementation from nv40
An upcoming patch will implement functionality that we don't use on any NV40 chipset. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pci')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild1
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c38
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h1
4 files changed, 41 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild
index 57652f5f9bbc..85cb52501ada 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild
@@ -5,4 +5,5 @@ nvkm-y += nvkm/subdev/pci/nv40.o
nvkm-y += nvkm/subdev/pci/nv4c.o
nvkm-y += nvkm/subdev/pci/nv50.o
nvkm-y += nvkm/subdev/pci/g84.o
+nvkm-y += nvkm/subdev/pci/g94.o
nvkm-y += nvkm/subdev/pci/gf100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c
new file mode 100644
index 000000000000..1714421c2534
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c
@@ -0,0 +1,38 @@
+/*
+ * 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 const struct nvkm_pci_func
+g94_pci_func = {
+ .rd32 = nv40_pci_rd32,
+ .wr08 = nv40_pci_wr08,
+ .wr32 = nv40_pci_wr32,
+ .msi_rearm = nv40_pci_msi_rearm,
+};
+
+int
+g94_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci)
+{
+ return nvkm_pci_new_(&g94_pci_func, device, index, ppci);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c
index 090a187f165f..6eb417765802 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c
@@ -44,7 +44,7 @@ nv40_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data)
nvkm_wr32(device, 0x088000 + addr, data);
}
-static void
+void
nv40_pci_msi_rearm(struct nvkm_pci *pci)
{
nvkm_pci_wr08(pci, 0x0068, 0xff);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
index d7622aaeb86e..68ce8e554ae9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h
@@ -16,6 +16,7 @@ struct nvkm_pci_func {
u32 nv40_pci_rd32(struct nvkm_pci *, u16);
void nv40_pci_wr08(struct nvkm_pci *, u16, u8);
void nv40_pci_wr32(struct nvkm_pci *, u16, u32);
+void nv40_pci_msi_rearm(struct nvkm_pci *);
void nv50_pci_msi_rearm(struct nvkm_pci *);
#endif