1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/tu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/tu102.c
new file mode 100644
index 000000000..81a1ad2c8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/tu102.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2018 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.
+ */
+#include "nv50.h"
+
+#include <subdev/bios.h>
+#include <subdev/bios/pll.h>
+#include <subdev/clk/pll.h>
+
+static int
+tu102_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq)
+{
+	struct nvkm_subdev *subdev = &init->subdev;
+	struct nvkm_device *device = subdev->device;
+	struct nvbios_pll info;
+	int head = type - PLL_VPLL0;
+	int N, fN, M, P;
+	int ret;
+
+	ret = nvbios_pll_parse(device->bios, type, &info);
+	if (ret)
+		return ret;
+
+	ret = gt215_pll_calc(subdev, &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:
+		nvkm_wr32(device, 0x00ef10 + (head * 0x40), fN << 16);
+		nvkm_wr32(device, 0x00ef04 + (head * 0x40), (P << 16) |
+							    (N <<  8) |
+							    (M <<  0));
+		/*XXX*/
+		nvkm_wr32(device, 0x00ef0c + (head * 0x40), 0x00000900);
+		nvkm_wr32(device, 0x00ef00 + (head * 0x40), 0x02000014);
+		break;
+	default:
+		nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int
+tu102_devinit_wait(struct nvkm_device *device)
+{
+	unsigned timeout = 50 + 2000;
+
+	do {
+		if (nvkm_rd32(device, 0x118128) & 0x00000001) {
+			if ((nvkm_rd32(device, 0x118234) & 0x000000ff) == 0xff)
+				return 0;
+		}
+
+		usleep_range(1000, 2000);
+	} while (timeout--);
+
+	return -ETIMEDOUT;
+}
+
+int
+tu102_devinit_post(struct nvkm_devinit *base, bool post)
+{
+	struct nv50_devinit *init = nv50_devinit(base);
+	int ret;
+
+	ret = tu102_devinit_wait(init->base.subdev.device);
+	if (ret)
+		return ret;
+
+	gm200_devinit_preos(init, post);
+	return 0;
+}
+
+static const struct nvkm_devinit_func
+tu102_devinit = {
+	.init = nv50_devinit_init,
+	.post = tu102_devinit_post,
+	.pll_set = tu102_devinit_pll_set,
+	.disable = gm107_devinit_disable,
+};
+
+int
+tu102_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+		  struct nvkm_devinit **pinit)
+{
+	return nv50_devinit_new_(&tu102_devinit, device, type, inst, pinit);
+}