1 files changed, 62 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/sim_gk20a.h b/drivers/gpu/nvgpu/gk20a/sim_gk20a.h
new file mode 100644
index 00000000..5fc8006e
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/sim_gk20a.h
@@ -0,0 +1,62 @@
+/*
+ * drivers/video/tegra/host/gk20a/sim_gk20a.h
+ *
+ * GK20A sim support
+ *
+ * Copyright (c) 2013, 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef __SIM_GK20A_H__
+#define __SIM_GK20A_H__
+
+
+struct gk20a;
+struct sim_gk20a {
+        struct gk20a *g;
+        struct resource *reg_mem;
+        void __iomem *regs;
+        struct {
+                struct page *page;
+                void *kvaddr;
+                phys_addr_t phys;
+        } send_bfr, recv_bfr, msg_bfr;
+        u32 send_ring_put;
+        u32 recv_ring_get;
+        u32 recv_ring_put;
+        u32 sequence_base;
+        void (*remove_support)(struct sim_gk20a *);
+};
+
+
+int gk20a_sim_esc_read(struct gk20a *g, char *path, u32 index,
+                          u32 count, u32 *data);
+
+static inline int gk20a_sim_esc_read_no_sim(struct gk20a *g, char *p,
+                                     u32 i, u32 c, u32 *d)
+{
+        *d = ~(u32)0;
+        return -1;
+}
+
+static inline int gk20a_sim_esc_readl(struct gk20a *g, char * p, u32 i, u32 *d)
+{
+        if (tegra_cpu_is_asim())
+                return gk20a_sim_esc_read(g, p, i, sizeof(u32), d);
+
+        return gk20a_sim_esc_read_no_sim(g, p, i, sizeof(u32), d);
+}
+
+
+#endif /*__SIM_GK20A_H__*/