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/*
* Copyright (c) 2016-2017, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#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
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