From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Sun, 11 Sep 2016 04:34:46 -0300
Subject: Linux-libre 4.7.1-gnu

---
 drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c | 110 ++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c

(limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c')

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
new file mode 100644
index 000000000..e06acc340
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2016 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 int
+gk104_top_oneinit(struct nvkm_top *top)
+{
+	struct nvkm_subdev *subdev = &top->subdev;
+	struct nvkm_device *device = subdev->device;
+	struct nvkm_top_device *info = NULL;
+	u32 data, type;
+	int i;
+
+	for (i = 0; i < 64; i++) {
+		if (!info) {
+			if (!(info = nvkm_top_device_new(top)))
+				return -ENOMEM;
+			type = ~0;
+		}
+
+		data = nvkm_rd32(device, 0x022700 + (i * 0x04));
+		nvkm_trace(subdev, "%02x: %08x\n", i, data);
+		switch (data & 0x00000003) {
+		case 0x00000000: /* NOT_VALID */
+			continue;
+		case 0x00000001: /* DATA */
+			info->addr  = (data & 0x00fff000);
+			info->fault = (data & 0x000000f8) >> 3;
+			break;
+		case 0x00000002: /* ENUM */
+			if (data & 0x00000020)
+				info->engine  = (data & 0x3c000000) >> 26;
+			if (data & 0x00000010)
+				info->runlist = (data & 0x01e00000) >> 21;
+			if (data & 0x00000008)
+				info->intr    = (data & 0x000f8000) >> 15;
+			if (data & 0x00000004)
+				info->reset   = (data & 0x00003e00) >> 9;
+			break;
+		case 0x00000003: /* ENGINE_TYPE */
+			type = (data & 0x7ffffffc) >> 2;
+			break;
+		}
+
+		if (data & 0x80000000)
+			continue;
+
+		/* Translate engine type to NVKM engine identifier. */
+		switch (type) {
+		case 0x00000000: info->index = NVKM_ENGINE_GR; break;
+		case 0x00000001: info->index = NVKM_ENGINE_CE0; break;
+		case 0x00000002: info->index = NVKM_ENGINE_CE1; break;
+		case 0x00000003: info->index = NVKM_ENGINE_CE2; break;
+		case 0x00000008: info->index = NVKM_ENGINE_MSPDEC; break;
+		case 0x00000009: info->index = NVKM_ENGINE_MSPPP; break;
+		case 0x0000000a: info->index = NVKM_ENGINE_MSVLD; break;
+		case 0x0000000b: info->index = NVKM_ENGINE_MSENC; break;
+		case 0x0000000c: info->index = NVKM_ENGINE_VIC; break;
+		case 0x0000000d: info->index = NVKM_ENGINE_SEC; break;
+		case 0x0000000e: info->index = NVKM_ENGINE_NVENC0; break;
+		case 0x0000000f: info->index = NVKM_ENGINE_NVENC1; break;
+		case 0x00000010: info->index = NVKM_ENGINE_NVDEC; break;
+			break;
+		default:
+			break;
+		}
+
+		nvkm_debug(subdev, "%02x (%8s): addr %06x fault %2d engine %2d "
+				   "runlist %2d intr %2d reset %2d\n", type,
+			   info->index == NVKM_SUBDEV_NR ? NULL :
+					  nvkm_subdev_name[info->index],
+			   info->addr, info->fault, info->engine, info->runlist,
+			   info->intr, info->reset);
+		info = NULL;
+	}
+
+	return 0;
+}
+
+static const struct nvkm_top_func
+gk104_top = {
+	.oneinit = gk104_top_oneinit,
+};
+
+int
+gk104_top_new(struct nvkm_device *device, int index, struct nvkm_top **ptop)
+{
+	return nvkm_top_new_(&gk104_top, device, index, ptop);
+}
-- 
cgit v1.2.3-54-g00ecf