X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fsubdev%2Fdevinit%2Fgf100.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fsubdev%2Fdevinit%2Fgf100.c;h=c61102f708055ecf739077e1a1436dcd12ff70cb;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
new file mode 100644
index 000000000..c61102f70
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
@@ -0,0 +1,127 @@
+/*
+ * 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>
+#include <subdev/bios/pll.h>
+#include <subdev/clk/pll.h>
+
+int
+gf100_devinit_pll_set(struct nvkm_devinit *devinit, u32 type, u32 freq)
+{
+	struct nv50_devinit_priv *priv = (void *)devinit;
+	struct nvkm_bios *bios = nvkm_bios(priv);
+	struct nvbios_pll info;
+	int N, fN, M, P;
+	int ret;
+
+	ret = nvbios_pll_parse(bios, type, &info);
+	if (ret)
+		return ret;
+
+	ret = gt215_pll_calc(nv_subdev(devinit), &info, freq, &N, &fN, &M, &P);
+	if (ret < 0)
+		return ret;
+
+	switch (info.type) {
+	case PLL_VPLL0:
+	case PLL_VPLL1:
+	case PLL_VPLL2:
+	case PLL_VPLL3:
+		nv_mask(priv, info.reg + 0x0c, 0x00000000, 0x00000100);
+		nv_wr32(priv, info.reg + 0x04, (P << 16) | (N << 8) | M);
+		nv_wr32(priv, info.reg + 0x10, fN << 16);
+		break;
+	default:
+		nv_warn(priv, "0x%08x/%dKhz unimplemented\n", type, freq);
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static u64
+gf100_devinit_disable(struct nvkm_devinit *devinit)
+{
+	struct nv50_devinit_priv *priv = (void *)devinit;
+	u32 r022500 = nv_rd32(priv, 0x022500);
+	u64 disable = 0ULL;
+
+	if (r022500 & 0x00000001)
+		disable |= (1ULL << NVDEV_ENGINE_DISP);
+
+	if (r022500 & 0x00000002) {
+		disable |= (1ULL << NVDEV_ENGINE_MSPDEC);
+		disable |= (1ULL << NVDEV_ENGINE_MSPPP);
+	}
+
+	if (r022500 & 0x00000004)
+		disable |= (1ULL << NVDEV_ENGINE_MSVLD);
+	if (r022500 & 0x00000008)
+		disable |= (1ULL << NVDEV_ENGINE_MSENC);
+	if (r022500 & 0x00000100)
+		disable |= (1ULL << NVDEV_ENGINE_CE0);
+	if (r022500 & 0x00000200)
+		disable |= (1ULL << NVDEV_ENGINE_CE1);
+
+	return disable;
+}
+
+int
+gf100_devinit_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		   struct nvkm_oclass *oclass, void *data, u32 size,
+		   struct nvkm_object **pobject)
+{
+	struct nvkm_devinit_impl *impl = (void *)oclass;
+	struct nv50_devinit_priv *priv;
+	u64 disable;
+	int ret;
+
+	ret = nvkm_devinit_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	disable = impl->disable(&priv->base);
+	if (disable & (1ULL << NVDEV_ENGINE_DISP))
+		priv->base.post = true;
+
+	return 0;
+}
+
+struct nvkm_oclass *
+gf100_devinit_oclass = &(struct nvkm_devinit_impl) {
+	.base.handle = NV_SUBDEV(DEVINIT, 0xc0),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = gf100_devinit_ctor,
+		.dtor = _nvkm_devinit_dtor,
+		.init = nv50_devinit_init,
+		.fini = _nvkm_devinit_fini,
+	},
+	.pll_set = gf100_devinit_pll_set,
+	.disable = gf100_devinit_disable,
+	.post = nvbios_init,
+}.base;