diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/volt')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.c | 57 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.h | 49 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c | 56 |
4 files changed, 133 insertions, 30 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild index b035c6e28..c34076223 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild @@ -3,3 +3,4 @@ nvkm-y += nvkm/subdev/volt/gpio.o nvkm-y += nvkm/subdev/volt/nv40.o nvkm-y += nvkm/subdev/volt/gk104.o nvkm-y += nvkm/subdev/volt/gk20a.o +nvkm-y += nvkm/subdev/volt/gm20b.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.c index fd56c6476..d55445532 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2014-2016, 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"), @@ -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); @@ -155,30 +143,25 @@ gk20a_volt = { }; int -gk20a_volt_new(struct nvkm_device *device, int index, struct nvkm_volt **pvolt) +_gk20a_volt_ctor(struct nvkm_device *device, int index, + const struct cvb_coef *coefs, int nb_coefs, + struct gk20a_volt *volt) { struct nvkm_device_tegra *tdev = device->func->tegra(device); - struct gk20a_volt *volt; int i, uv; - if (!(volt = kzalloc(sizeof(*volt), GFP_KERNEL))) - return -ENOMEM; - nvkm_volt_ctor(&gk20a_volt, device, index, &volt->base); - *pvolt = &volt->base; uv = regulator_get_voltage(tdev->vdd); - nvkm_info(&volt->base.subdev, "The default voltage is %duV\n", uv); + nvkm_debug(&volt->base.subdev, "the default voltage is %duV\n", uv); volt->vdd = tdev->vdd; - volt->base.vid_nr = ARRAY_SIZE(gk20a_cvb_coef); - nvkm_debug(&volt->base.subdev, "%s - vid_nr = %d\n", __func__, - volt->base.vid_nr); + volt->base.vid_nr = nb_coefs; for (i = 0; i < volt->base.vid_nr; i++) { volt->base.vid[i].vid = i; volt->base.vid[i].uv = - gk20a_volt_calc_voltage(&gk20a_cvb_coef[i], + gk20a_volt_calc_voltage(&coefs[i], tdev->gpu_speedo); nvkm_debug(&volt->base.subdev, "%2d: vid=%d, uv=%d\n", i, volt->base.vid[i].vid, volt->base.vid[i].uv); @@ -186,3 +169,17 @@ gk20a_volt_new(struct nvkm_device *device, int index, struct nvkm_volt **pvolt) return 0; } + +int +gk20a_volt_new(struct nvkm_device *device, int index, struct nvkm_volt **pvolt) +{ + struct gk20a_volt *volt; + + volt = kzalloc(sizeof(*volt), GFP_KERNEL); + if (!volt) + return -ENOMEM; + *pvolt = &volt->base; + + return _gk20a_volt_ctor(device, index, gk20a_cvb_coef, + ARRAY_SIZE(gk20a_cvb_coef), volt); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.h b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.h new file mode 100644 index 000000000..0fa3b502b --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk20a.h @@ -0,0 +1,49 @@ +/* + * 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_ctor(struct nvkm_device *device, int index, + const struct cvb_coef *coefs, int nb_coefs, + struct gk20a_volt *volt); + +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 diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c new file mode 100644 index 000000000..49b5ecb70 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c @@ -0,0 +1,56 @@ +/* + * 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. + */ + +#include "priv.h" +#include "gk20a.h" + +#include <core/tegra.h> + +const struct cvb_coef gm20b_cvb_coef[] = { + /* KHz, c0, c1, c2 */ + /* 76800 */ { 1786666, -85625, 1632 }, + /* 153600 */ { 1846729, -87525, 1632 }, + /* 230400 */ { 1910480, -89425, 1632 }, + /* 307200 */ { 1977920, -91325, 1632 }, + /* 384000 */ { 2049049, -93215, 1632 }, + /* 460800 */ { 2122872, -95095, 1632 }, + /* 537600 */ { 2201331, -96985, 1632 }, + /* 614400 */ { 2283479, -98885, 1632 }, + /* 691200 */ { 2369315, -100785, 1632 }, + /* 768000 */ { 2458841, -102685, 1632 }, + /* 844800 */ { 2550821, -104555, 1632 }, + /* 921600 */ { 2647676, -106455, 1632 }, +}; + +int +gm20b_volt_new(struct nvkm_device *device, int index, struct nvkm_volt **pvolt) +{ + struct gk20a_volt *volt; + + volt = kzalloc(sizeof(*volt), GFP_KERNEL); + if (!volt) + return -ENOMEM; + *pvolt = &volt->base; + + return _gk20a_volt_ctor(device, index, gm20b_cvb_coef, + ARRAY_SIZE(gm20b_cvb_coef), volt); +} |