1 files changed, 71 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp106/xve_gp106.h b/drivers/gpu/nvgpu/gp106/xve_gp106.h
new file mode 100644
index 00000000..413dd8cd
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp106/xve_gp106.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#ifndef __XVE_GP106_H__
+#define __XVE_GP106_H__
+
+#include "gk20a/gk20a.h"
+
+#include <nvgpu/log2.h>
+
+int gp106_init_xve_ops(struct gpu_ops *gops);
+
+/*
+ * Best guess for a reasonable timeout.
+ */
+#define GPU_XVE_TIMEOUT_MS      500
+
+/*
+ * Debugging for the speed change.
+ */
+enum xv_speed_change_steps {
+        PRE_CHANGE = 0,
+        DISABLE_ASPM,
+        DL_SAFE_MODE,
+        CHECK_LINK,
+        LINK_SETTINGS,
+        EXEC_CHANGE,
+        EXEC_VERIF,
+        CLEANUP
+};
+
+#define xv_dbg(fmt, args...)                    \
+        gk20a_dbg(gpu_dbg_xv, fmt, ##args)
+
+#define xv_sc_dbg(step, fmt, args...)                                   \
+        xv_dbg("[%d] %15s | " fmt, step, __stringify(step), ##args)
+
+void xve_xve_writel_gp106(struct gk20a *g, u32 reg, u32 val);
+u32 xve_xve_readl_gp106(struct gk20a *g, u32 reg);
+void xve_reset_gpu_gp106(struct gk20a *g);
+int xve_get_speed_gp106(struct gk20a *g, u32 *xve_link_speed);
+void xve_disable_aspm_gp106(struct gk20a *g);
+int xve_set_speed_gp106(struct gk20a *g, u32 next_link_speed);
+void xve_available_speeds_gp106(struct gk20a *g, u32 *speed_mask);
+u32 xve_get_link_control_status(struct gk20a *g);
+#if defined(CONFIG_PCI_MSI)
+void xve_rearm_msi_gp106(struct gk20a *g);
+#endif
+void xve_enable_shadow_rom_gp106(struct gk20a *g);
+void xve_disable_shadow_rom_gp106(struct gk20a *g);
+
+#endif