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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: Vince Hsu <vinceh@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Vince Hsu 2015-04-27 11:48:02 +08:00 committed by Ben Skeggs
parent 253a03f03f
commit 0f9520931e
2 changed files with 51 additions and 18 deletions
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24
drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.c
View File

@ -24,21 +24,9 @@
#include <core/tegra.h>
struct cvb_coef {
int c0;
int c1;
int c2;
int c3;
int c4;
int c5;
};
#include "gk20a.h"
struct gk20a_volt {
struct nvkm_volt base;
struct regulator *vdd;
};
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);

45
drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.h Normal file
View File

@ -0,0 +1,45 @@
/*
* 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