Files
linux-nvgpu/drivers/gpu/nvgpu/common/xve/xve_gp106.h
Terje Bergstrom 6e746a97cc gpu: nvgpu: Move xve HAL to common
Move implementation of xve HAL to common/xve.

JIRA NVGPU-959

Change-Id: I27dba43253e3aa8fd11229a9c4fad97aa5cf0b59
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1796147
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-08-09 22:28:32 -07:00

73 lines
2.4 KiB
C

/*
* Copyright (c) 2016-2018, 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 __XVE_GP106_H__
#define __XVE_GP106_H__
#include "gk20a/gk20a.h"
#include <nvgpu/log2.h>
#include <nvgpu/types.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(g, fmt, args...) \
nvgpu_log(g, gpu_dbg_xv, fmt, ##args)
#define xv_sc_dbg(g, step, fmt, args...) \
xv_dbg(g, "[%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