Commit 0f952093 authored by Vince Hsu's avatar Vince Hsu Committed by Ben Skeggs
Browse files

drm/nouveau/volt/gk20a: share reusable members & functions 



The CVB calculation and voltage setting functions can be reused for the
future chips. So move the declaration to gk20a.h.

Signed-off-by: default avatarVince Hsu <vinceh@nvidia.com>
Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 253a03f0

drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.c

+6 −18
Original line number Diff line number Diff line
@@ -24,21 +24,9 @@ 


#include <core/tegra.h>



struct cvb_coef {

	int c0;

	int c1;

	int c2;

	int c3;

	int c4;

	int c5;

};



struct gk20a_volt {

	struct nvkm_volt base;

	struct regulator *vdd;

};

#include "gk20a.h"



const struct cvb_coef gk20a_cvb_coef[] = {

static const struct cvb_coef gk20a_cvb_coef[] = {

	/* MHz,        c0,     c1,   c2,    c3,     c4,   c5 */

	/*  72 */ { 1209886, -36468,  515,   417, -13123,  203},

	/* 108 */ { 1130804, -27659,  296,   298, -10834,  221},
@@ -89,7 +77,7 @@ gk20a_volt_get_cvb_t_voltage(int speedo, int temp, int s_scale, int t_scale, 
	return mv;

}



static int

int

gk20a_volt_calc_voltage(const struct cvb_coef *coef, int speedo)

{

	int mv;
@@ -100,7 +88,7 @@ gk20a_volt_calc_voltage(const struct cvb_coef *coef, int speedo) 
	return mv * 1000;

}



static int

int

gk20a_volt_vid_get(struct nvkm_volt *base)

{

	struct gk20a_volt *volt = gk20a_volt(base);
@@ -115,7 +103,7 @@ gk20a_volt_vid_get(struct nvkm_volt *base) 
	return -EINVAL;

}



static int

int

gk20a_volt_vid_set(struct nvkm_volt *base, u8 vid)

{

	struct gk20a_volt *volt = gk20a_volt(base);
@@ -125,7 +113,7 @@ gk20a_volt_vid_set(struct nvkm_volt *base, u8 vid) 
	return regulator_set_voltage(volt->vdd, volt->base.vid[vid].uv, 1200000);

}



static int

int

gk20a_volt_set_id(struct nvkm_volt *base, u8 id, int condition)

{

	struct gk20a_volt *volt = gk20a_volt(base);

drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.h

0 → 100644
+45 −0
Original line number Diff line number Diff line 
/*

 * 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 __GK20A_VOLT_H__

#define __GK20A_VOLT_H__



struct cvb_coef {

	int c0;

	int c1;

	int c2;

	int c3;

	int c4;

	int c5;

};



struct gk20a_volt {

	struct nvkm_volt base;

	struct regulator *vdd;

};



int gk20a_volt_calc_voltage(const struct cvb_coef *coef, int speedo);

int gk20a_volt_vid_get(struct nvkm_volt *volt);

int gk20a_volt_vid_set(struct nvkm_volt *volt, u8 vid);

int gk20a_volt_set_id(struct nvkm_volt *volt, u8 id, int condition);



#endif