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-rw-r--r--drivers/gpu/nvgpu/clk/clk_fll.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/clk/clk_fll.h b/drivers/gpu/nvgpu/clk/clk_fll.h
new file mode 100644
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1/*
2* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
3*
4* This program is free software; you can redistribute it and/or modify it
5* under the terms and conditions of the GNU General Public License,
6* version 2, as published by the Free Software Foundation.
7*
8* This program is distributed in the hope it will be useful, but WITHOUT
9* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11* more details.
12*/
13
14#ifndef _CLKFLL_H_
15#define _CLKFLL_H_
16
17#include "pmuif/gpmuifclk.h"
18#include "boardobj/boardobjgrp_e32.h"
19#include "boardobj/boardobjgrpmask.h"
20
21/*data and function definition to talk to driver*/
22u32 clk_fll_sw_setup(struct gk20a *g);
23u32 clk_fll_pmu_setup(struct gk20a *g);
24
25struct avfsfllobjs {
26 struct boardobjgrp_e32 super;
27 struct boardobjgrpmask_e32 lut_prog_master_mask;
28 u32 lut_step_size_uv;
29 u32 lut_min_voltage_uv;
30 u8 lut_num_entries;
31 u16 max_min_freq_mhz;
32};
33
34struct fll_device;
35
36typedef u32 fll_lut_broadcast_slave_register(struct gk20a *g,
37 struct avfsfllobjs *pfllobjs,
38 struct fll_device *pfll,
39 struct fll_device *pfll_slave);
40
41struct fll_device {
42 struct boardobj super;
43 u8 id;
44 u8 mdiv;
45 u16 input_freq_mhz;
46 u32 clk_domain;
47 u8 vin_idx_logic;
48 u8 vin_idx_sram;
49 u8 rail_idx_for_lut;
50 struct nv_pmu_clk_lut_device_desc lut_device;
51 struct nv_pmu_clk_regime_desc regime_desc;
52 u8 min_freq_vfe_idx;
53 u8 freq_ctrl_idx;
54 u8 target_regime_id_override;
55 struct boardobjgrpmask_e32 lut_prog_broadcast_slave_mask;
56 fll_lut_broadcast_slave_register *lut_broadcast_slave_register;
57};
58
59#define CLK_FLL_LUT_VF_NUM_ENTRIES(pclk) \
60 (pclk->avfs_fllobjs.lut_num_entries)
61
62#define CLK_FLL_LUT_MIN_VOLTAGE_UV(pclk) \
63 (pclk->avfs_fllobjs.lut_min_voltage_uv)
64#define CLK_FLL_LUT_STEP_SIZE_UV(pclk) \
65 (pclk->avfs_fllobjs.lut_step_size_uv)
66
67#endif
68