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/*
* 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 _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
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