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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c
new file mode 100644
index 000000000000..ca776ce75f4f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2013 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
+ */
+#include "nv50.h"
+
+#include <subdev/bios.h>
+#include <subdev/bios/init.h>
+
+static u64
+g84_devinit_disable(struct nvkm_devinit *devinit)
+{
+ struct nv50_devinit_priv *priv = (void *)devinit;
+ u32 r001540 = nv_rd32(priv, 0x001540);
+ u32 r00154c = nv_rd32(priv, 0x00154c);
+ u64 disable = 0ULL;
+
+ if (!(r001540 & 0x40000000)) {
+ disable |= (1ULL << NVDEV_ENGINE_MPEG);
+ disable |= (1ULL << NVDEV_ENGINE_VP);
+ disable |= (1ULL << NVDEV_ENGINE_BSP);
+ disable |= (1ULL << NVDEV_ENGINE_CIPHER);
+ }
+
+ if (!(r00154c & 0x00000004))
+ disable |= (1ULL << NVDEV_ENGINE_DISP);
+ if (!(r00154c & 0x00000020))
+ disable |= (1ULL << NVDEV_ENGINE_BSP);
+ if (!(r00154c & 0x00000040))
+ disable |= (1ULL << NVDEV_ENGINE_CIPHER);
+
+ return disable;
+}
+
+struct nvkm_oclass *
+g84_devinit_oclass = &(struct nvkm_devinit_impl) {
+ .base.handle = NV_SUBDEV(DEVINIT, 0x84),
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv50_devinit_ctor,
+ .dtor = _nvkm_devinit_dtor,
+ .init = nv50_devinit_init,
+ .fini = _nvkm_devinit_fini,
+ },
+ .pll_set = nv50_devinit_pll_set,
+ .disable = g84_devinit_disable,
+ .post = nvbios_init,
+}.base;