1 files changed, 101 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/lpwr/lpwr.h b/drivers/gpu/nvgpu/lpwr/lpwr.h
new file mode 100644
index 00000000..98b9769e
--- /dev/null
+++ b/drivers/gpu/nvgpu/lpwr/lpwr.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2016, 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 _MSCG_H_
+#define _MSCG_H_
+
+#define MAX_SWASR_MCLK_FREQ_WITHOUT_WR_TRAINING_MAXWELL_MHZ   540
+
+#define NV_PMU_PG_PARAM_MCLK_CHANGE_MS_SWASR_ENABLED BIT(0x1)
+#define NV_PMU_PG_PARAM_MCLK_CHANGE_GDDR5_WR_TRAINING_ENABLED BIT(0x3)
+
+#define LPWR_ENTRY_COUNT_MAX 0x06
+
+#define LPWR_VBIOS_IDX_ENTRY_COUNT_MAX (LPWR_ENTRY_COUNT_MAX)
+
+#define LPWR_VBIOS_IDX_ENTRY_RSVD \
+        (LPWR_VBIOS_IDX_ENTRY_COUNT_MAX - 1)
+
+#define LPWR_VBIOS_BASE_SAMPLING_PERIOD_DEFAULT    (500)
+
+struct nvgpu_lpwr_bios_idx_entry {
+        u8 pcie_idx;
+        u8 gr_idx;
+        u8 ms_idx;
+        u8 di_idx;
+        u8 gc6_idx;
+};
+
+struct nvgpu_lpwr_bios_idx_data {
+        u16 base_sampling_period;
+        struct nvgpu_lpwr_bios_idx_entry entry[LPWR_VBIOS_IDX_ENTRY_COUNT_MAX];
+};
+
+#define LPWR_VBIOS_MS_ENTRY_COUNT_MAX (LPWR_ENTRY_COUNT_MAX)
+
+struct nvgpu_lpwr_bios_ms_entry {
+        bool ms_enabled;
+        u32 feature_mask;
+        u32 asr_efficiency_thresholdl;
+        u16 dynamic_current_logic;
+        u16 dynamic_current_sram;
+};
+
+struct nvgpu_lpwr_bios_ms_data {
+        u8 default_entry_idx;
+        u32 idle_threshold_us;
+        struct nvgpu_lpwr_bios_ms_entry entry[LPWR_VBIOS_MS_ENTRY_COUNT_MAX];
+};
+
+#define LPWR_VBIOS_GR_ENTRY_COUNT_MAX (LPWR_ENTRY_COUNT_MAX)
+
+struct nvgpu_lpwr_bios_gr_entry {
+        bool  gr_enabled;
+        u32   feature_mask;
+};
+
+struct nvgpu_lpwr_bios_gr_data {
+        u8 default_entry_idx;
+        u32 idle_threshold_us;
+        u8 adaptive_gr_multiplier;
+        struct nvgpu_lpwr_bios_gr_entry  entry[LPWR_VBIOS_GR_ENTRY_COUNT_MAX];
+};
+
+struct nvgpu_lpwr_bios_data {
+        struct nvgpu_lpwr_bios_idx_data idx;
+        struct nvgpu_lpwr_bios_ms_data ms;
+        struct nvgpu_lpwr_bios_gr_data gr;
+};
+
+struct obj_lwpr {
+        struct nvgpu_lpwr_bios_data lwpr_bios_data;
+        u32 mclk_change_cache;
+};
+
+u32 nvgpu_lpwr_pg_setup(struct gk20a *g);
+int nvgpu_lwpr_mclk_change(struct gk20a *g, u32 pstate);
+int nvgpu_lpwr_enable_pg(struct gk20a *g, bool pstate_lock);
+int nvgpu_lpwr_disable_pg(struct gk20a *g, bool pstate_lock);
+u32 nvgpu_lpwr_is_mscg_supported(struct gk20a *g, u32 pstate_num);
+u32 nvgpu_lpwr_is_rppg_supported(struct gk20a *g, u32 pstate_num);
+u32 nvgpu_lpwr_post_init(struct gk20a *g);
+
+#endif