1 files changed, 80 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c b/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
new file mode 100644
index 00000000..a6ed67b2
--- /dev/null
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include "gk20a/gk20a.h"
+#include "gk20a/hal_gk20a.h"
+#include "gk20a/platform_gk20a.h"
+#include "vgpu/clk_vgpu.h"
+
+#include <nvgpu/nvhost.h>
+#include <linux/platform_device.h>
+
+static int gv11b_vgpu_probe(struct device *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+        struct gk20a_platform *platform = dev_get_drvdata(dev);
+        struct resource *r;
+        void __iomem *regs;
+        struct fifo_gk20a *f = &platform->g->fifo;
+        int ret;
+
+        r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "usermode");
+        if (!r) {
+                dev_err(dev, "failed to get usermode regs\n");
+                return -ENXIO;
+        }
+        regs = devm_ioremap_resource(dev, r);
+        if (IS_ERR(regs)) {
+                dev_err(dev, "failed to map usermode regs\n");
+                return PTR_ERR(regs);
+        }
+        f->t19x.usermode_regs = regs;
+
+#ifdef CONFIG_TEGRA_GK20A_NVHOST
+        ret = nvgpu_get_nvhost_dev(platform->g);
+        if (ret) {
+                f->t19x.usermode_regs = NULL;
+                return ret;
+        }
+#endif
+        vgpu_init_clk_support(platform->g);
+
+        return 0;
+}
+
+struct gk20a_platform gv11b_vgpu_tegra_platform = {
+        .has_syncpoints = false,
+        .aggressive_sync_destroy_thresh = 64,
+
+        /* power management configuration */
+        .can_railgate_init      = false,
+        .can_elpg_init          = false,
+        .enable_slcg            = false,
+        .enable_blcg            = false,
+        .enable_elcg            = false,
+        .enable_elpg            = false,
+        .enable_aelpg           = false,
+
+        .ch_wdt_timeout_ms = 5000,
+
+        .probe = gv11b_vgpu_probe,
+        .default_big_page_size  = SZ_64K,
+
+        .clk_round_rate = vgpu_clk_round_rate,
+        .get_clk_freqs = vgpu_clk_get_freqs,
+
+        /* frequency scaling configuration */
+        .devfreq_governor = "userspace",
+
+        .virtual_dev = true,
+};