/*
* Copyright (c) 2016, 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.
*/

#ifndef _CLK_FREQ_CONTROLLER_H_
#define _CLK_FREQ_CONTROLLER_H_

#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_SYS  0x00
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_LTC  0x01
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_XBAR 0x02
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC0 0x03
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC1 0x04
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC2 0x05
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC3 0x06
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC4 0x07
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC5 0x08
#define CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPCS 0x09

#define CTRL_CLK_CLK_FREQ_CONTROLLER_MASK_UNICAST_GPC     \
			(BIT(CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC0) | \
			BIT(CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC1) | \
			BIT(CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC2) | \
			BIT(CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC3) | \
			BIT(CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC4) | \
			BIT(CTRL_CLK_CLK_FREQ_CONTROLLER_ID_GPC5))

#define CTRL_CLK_CLK_FREQ_CONTROLLER_TYPE_DISABLED  0x00
#define CTRL_CLK_CLK_FREQ_CONTROLLER_TYPE_PI        0x01


struct clk_freq_controller {
	struct boardobj    super;
	u8   controller_id;
	u8   parts_freq_mode;
	bool bdisable;
	u32  clk_domain;
	s16  freq_cap_noise_unaware_vmin_above;
	s16  freq_cap_noise_unaware_vmin_below;
	s16  freq_hyst_pos_mhz;
	s16  freq_hyst_neg_mhz;
};

struct clk_freq_controller_pi {
	struct clk_freq_controller super;
	s32 prop_gain;
	s32 integ_gain;
	s32 integ_decay;
	s32 volt_delta_min;
	s32 volt_delta_max;
	u8  slowdown_pct_min;
	bool bpoison;
};

struct clk_freq_controllers {
	struct boardobjgrp_e32 super;
	u32 sampling_period_ms;
	struct boardobjgrpmask_e32 freq_ctrl_load_mask;
	u8 volt_policy_idx;
	void *pprereq_load;
};

u32 clk_freq_controller_sw_setup(struct gk20a *g);
u32 clk_freq_controller_pmu_setup(struct gk20a *g);

#endif