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/base.c | 141 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gf100.c | 70 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c | 25 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gpio.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h | 4 |
7 files changed, 228 insertions, 18 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild index c34076223b7b..bcd179ba11d0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild @@ -1,6 +1,7 @@ nvkm-y += nvkm/subdev/volt/base.o nvkm-y += nvkm/subdev/volt/gpio.o nvkm-y += nvkm/subdev/volt/nv40.o +nvkm-y += nvkm/subdev/volt/gf100.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/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c index 1c3d23b0e84a..e344901cfdc7 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c @@ -26,6 +26,7 @@ #include <subdev/bios.h> #include <subdev/bios/vmap.h> #include <subdev/bios/volt.h> +#include <subdev/therm.h> int nvkm_volt_get(struct nvkm_volt *volt) @@ -50,33 +51,45 @@ static int nvkm_volt_set(struct nvkm_volt *volt, u32 uv) { struct nvkm_subdev *subdev = &volt->subdev; - int i, ret = -EINVAL; + int i, ret = -EINVAL, best_err = volt->max_uv, best = -1; if (volt->func->volt_set) return volt->func->volt_set(volt, uv); for (i = 0; i < volt->vid_nr; i++) { - if (volt->vid[i].uv == uv) { - ret = volt->func->vid_set(volt, volt->vid[i].vid); - nvkm_debug(subdev, "set %duv: %d\n", uv, ret); + int err = volt->vid[i].uv - uv; + if (err < 0 || err > best_err) + continue; + + best_err = err; + best = i; + if (best_err == 0) break; - } } + + if (best == -1) { + nvkm_error(subdev, "couldn't set %iuv\n", uv); + return ret; + } + + ret = volt->func->vid_set(volt, volt->vid[best].vid); + nvkm_debug(subdev, "set req %duv to %duv: %d\n", uv, + volt->vid[best].uv, ret); return ret; } -static int -nvkm_volt_map(struct nvkm_volt *volt, u8 id) +int +nvkm_volt_map_min(struct nvkm_volt *volt, u8 id) { struct nvkm_bios *bios = volt->subdev.device->bios; struct nvbios_vmap_entry info; u8 ver, len; - u16 vmap; + u32 vmap; vmap = nvbios_vmap_entry_parse(bios, id, &ver, &len, &info); if (vmap) { if (info.link != 0xff) { - int ret = nvkm_volt_map(volt, info.link); + int ret = nvkm_volt_map_min(volt, info.link); if (ret < 0) return ret; info.min += ret; @@ -88,19 +101,79 @@ nvkm_volt_map(struct nvkm_volt *volt, u8 id) } int -nvkm_volt_set_id(struct nvkm_volt *volt, u8 id, int condition) +nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temp) +{ + struct nvkm_bios *bios = volt->subdev.device->bios; + struct nvbios_vmap_entry info; + u8 ver, len; + u32 vmap; + + vmap = nvbios_vmap_entry_parse(bios, id, &ver, &len, &info); + if (vmap) { + s64 result; + + if (volt->speedo < 0) + return volt->speedo; + + if (ver == 0x10 || (ver == 0x20 && info.mode == 0)) { + result = div64_s64((s64)info.arg[0], 10); + result += div64_s64((s64)info.arg[1] * volt->speedo, 10); + result += div64_s64((s64)info.arg[2] * volt->speedo * volt->speedo, 100000); + } else if (ver == 0x20) { + switch (info.mode) { + /* 0x0 handled above! */ + case 0x1: + result = ((s64)info.arg[0] * 15625) >> 18; + result += ((s64)info.arg[1] * volt->speedo * 15625) >> 18; + result += ((s64)info.arg[2] * temp * 15625) >> 10; + result += ((s64)info.arg[3] * volt->speedo * temp * 15625) >> 18; + result += ((s64)info.arg[4] * volt->speedo * volt->speedo * 15625) >> 30; + result += ((s64)info.arg[5] * temp * temp * 15625) >> 18; + break; + case 0x3: + result = (info.min + info.max) / 2; + break; + case 0x2: + default: + result = info.min; + break; + } + } else { + return -ENODEV; + } + + result = min(max(result, (s64)info.min), (s64)info.max); + + if (info.link != 0xff) { + int ret = nvkm_volt_map(volt, info.link, temp); + if (ret < 0) + return ret; + result += ret; + } + return result; + } + + return id ? id * 10000 : -ENODEV; +} + +int +nvkm_volt_set_id(struct nvkm_volt *volt, u8 id, u8 min_id, u8 temp, + int condition) { int ret; if (volt->func->set_id) return volt->func->set_id(volt, id, condition); - ret = nvkm_volt_map(volt, id); + ret = nvkm_volt_map(volt, id, temp); if (ret >= 0) { int prev = nvkm_volt_get(volt); if (!condition || prev < 0 || (condition < 0 && ret < prev) || (condition > 0 && ret > prev)) { + int min = nvkm_volt_map(volt, min_id, temp); + if (min >= 0) + ret = max(min, ret); ret = nvkm_volt_set(volt, ret); } else { ret = 0; @@ -112,14 +185,16 @@ nvkm_volt_set_id(struct nvkm_volt *volt, u8 id, int condition) static void nvkm_volt_parse_bios(struct nvkm_bios *bios, struct nvkm_volt *volt) { + struct nvkm_subdev *subdev = &bios->subdev; struct nvbios_volt_entry ivid; struct nvbios_volt info; u8 ver, hdr, cnt, len; - u16 data; + u32 data; int i; data = nvbios_volt_parse(bios, &ver, &hdr, &cnt, &len, &info); - if (data && info.vidmask && info.base && info.step) { + if (data && info.vidmask && info.base && info.step && info.ranged) { + nvkm_debug(subdev, "found ranged based VIDs\n"); volt->min_uv = info.min; volt->max_uv = info.max; for (i = 0; i < info.vidmask + 1; i++) { @@ -132,7 +207,8 @@ nvkm_volt_parse_bios(struct nvkm_bios *bios, struct nvkm_volt *volt) info.base += info.step; } volt->vid_mask = info.vidmask; - } else if (data && info.vidmask) { + } else if (data && info.vidmask && !info.ranged) { + nvkm_debug(subdev, "found entry based VIDs\n"); volt->min_uv = 0xffffffff; volt->max_uv = 0; for (i = 0; i < cnt; i++) { @@ -154,6 +230,14 @@ nvkm_volt_parse_bios(struct nvkm_bios *bios, struct nvkm_volt *volt) } static int +nvkm_volt_speedo_read(struct nvkm_volt *volt) +{ + if (volt->func->speedo_read) + return volt->func->speedo_read(volt); + return -EINVAL; +} + +static int nvkm_volt_init(struct nvkm_subdev *subdev) { struct nvkm_volt *volt = nvkm_volt(subdev); @@ -167,6 +251,21 @@ nvkm_volt_init(struct nvkm_subdev *subdev) return 0; } +static int +nvkm_volt_oneinit(struct nvkm_subdev *subdev) +{ + struct nvkm_volt *volt = nvkm_volt(subdev); + + volt->speedo = nvkm_volt_speedo_read(volt); + if (volt->speedo > 0) + nvkm_debug(&volt->subdev, "speedo %x\n", volt->speedo); + + if (volt->func->oneinit) + return volt->func->oneinit(volt); + + return 0; +} + static void * nvkm_volt_dtor(struct nvkm_subdev *subdev) { @@ -177,6 +276,7 @@ static const struct nvkm_subdev_func nvkm_volt = { .dtor = nvkm_volt_dtor, .init = nvkm_volt_init, + .oneinit = nvkm_volt_oneinit, }; void @@ -191,9 +291,22 @@ nvkm_volt_ctor(const struct nvkm_volt_func *func, struct nvkm_device *device, /* Assuming the non-bios device should build the voltage table later */ if (bios) { + u8 ver, hdr, cnt, len; + struct nvbios_vmap vmap; + nvkm_volt_parse_bios(bios, volt); nvkm_debug(&volt->subdev, "min: %iuv max: %iuv\n", volt->min_uv, volt->max_uv); + + if (nvbios_vmap_parse(bios, &ver, &hdr, &cnt, &len, &vmap)) { + volt->max0_id = vmap.max0; + volt->max1_id = vmap.max1; + volt->max2_id = vmap.max2; + } else { + volt->max0_id = 0xff; + volt->max1_id = 0xff; + volt->max2_id = 0xff; + } } if (volt->vid_nr) { diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gf100.c new file mode 100644 index 000000000000..d9ed6925ca64 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gf100.c @@ -0,0 +1,70 @@ +/* + * Copyright 2016 Karol Herbst + * + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Karol Herbst + */ +#include "priv.h" + +#include <subdev/fuse.h> + +static int +gf100_volt_speedo_read(struct nvkm_volt *volt) +{ + struct nvkm_device *device = volt->subdev.device; + struct nvkm_fuse *fuse = device->fuse; + + if (!fuse) + return -EINVAL; + + return nvkm_fuse_read(fuse, 0x1cc); +} + +int +gf100_volt_oneinit(struct nvkm_volt *volt) +{ + struct nvkm_subdev *subdev = &volt->subdev; + if (volt->speedo <= 0) + nvkm_error(subdev, "couldn't find speedo value, volting not " + "possible\n"); + return 0; +} + +static const struct nvkm_volt_func +gf100_volt = { + .oneinit = gf100_volt_oneinit, + .vid_get = nvkm_voltgpio_get, + .vid_set = nvkm_voltgpio_set, + .speedo_read = gf100_volt_speedo_read, +}; + +int +gf100_volt_new(struct nvkm_device *device, int index, struct nvkm_volt **pvolt) +{ + struct nvkm_volt *volt; + int ret; + + ret = nvkm_volt_new_(&gf100_volt, device, index, &volt); + *pvolt = volt; + if (ret) + return ret; + + return nvkm_voltgpio_init(volt); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c index 420bd84d8483..1c744e029454 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c @@ -27,6 +27,7 @@ #include <subdev/gpio.h> #include <subdev/bios.h> #include <subdev/bios/volt.h> +#include <subdev/fuse.h> #define gk104_volt(p) container_of((p), struct gk104_volt, base) struct gk104_volt { @@ -34,7 +35,7 @@ struct gk104_volt { struct nvbios_volt bios; }; -int +static int gk104_volt_get(struct nvkm_volt *base) { struct nvbios_volt *bios = &gk104_volt(base)->bios; @@ -47,7 +48,7 @@ gk104_volt_get(struct nvkm_volt *base) return bios->base + bios->pwm_range * duty / div; } -int +static int gk104_volt_set(struct nvkm_volt *base, u32 uv) { struct nvbios_volt *bios = &gk104_volt(base)->bios; @@ -64,13 +65,33 @@ gk104_volt_set(struct nvkm_volt *base, u32 uv) return 0; } +static int +gk104_volt_speedo_read(struct nvkm_volt *volt) +{ + struct nvkm_device *device = volt->subdev.device; + struct nvkm_fuse *fuse = device->fuse; + int ret; + + if (!fuse) + return -EINVAL; + + nvkm_wr32(device, 0x122634, 0x0); + ret = nvkm_fuse_read(fuse, 0x3a8); + nvkm_wr32(device, 0x122634, 0x41); + return ret; +} + static const struct nvkm_volt_func gk104_volt_pwm = { + .oneinit = gf100_volt_oneinit, .volt_get = gk104_volt_get, .volt_set = gk104_volt_set, + .speedo_read = gk104_volt_speedo_read, }, gk104_volt_gpio = { + .oneinit = gf100_volt_oneinit, .vid_get = nvkm_voltgpio_get, .vid_set = nvkm_voltgpio_set, + .speedo_read = gk104_volt_speedo_read, }; int diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c index 74db4d28930f..2925b9cae681 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c @@ -25,7 +25,7 @@ #include <core/tegra.h> -const struct cvb_coef gm20b_cvb_coef[] = { +static const struct cvb_coef gm20b_cvb_coef[] = { /* KHz, c0, c1, c2 */ /* 76800 */ { 1786666, -85625, 1632 }, /* 153600 */ { 1846729, -87525, 1632 }, @@ -58,7 +58,7 @@ static const struct cvb_coef gm20b_na_cvb_coef[] = { /* 998400 */ { 1316991, 8144, -940, 808, -21583, 226 }, }; -const u32 speedo_to_vmin[] = { +static const u32 speedo_to_vmin[] = { /* 0, 1, 2, 3, 4, */ 950000, 840000, 818750, 840000, 810000, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gpio.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gpio.c index d2bac1d77819..443c031b966b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gpio.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gpio.c @@ -25,6 +25,7 @@ #include <subdev/bios.h> #include <subdev/bios/gpio.h> #include <subdev/gpio.h> +#include "priv.h" static const u8 tags[] = { DCB_GPIO_VID0, DCB_GPIO_VID1, DCB_GPIO_VID2, DCB_GPIO_VID3, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h index d5140d991161..354bafe4b4e2 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h @@ -9,11 +9,13 @@ int nvkm_volt_new_(const struct nvkm_volt_func *, struct nvkm_device *, int index, struct nvkm_volt **); struct nvkm_volt_func { + int (*oneinit)(struct nvkm_volt *); int (*volt_get)(struct nvkm_volt *); int (*volt_set)(struct nvkm_volt *, u32 uv); int (*vid_get)(struct nvkm_volt *); int (*vid_set)(struct nvkm_volt *, u8 vid); int (*set_id)(struct nvkm_volt *, u8 id, int condition); + int (*speedo_read)(struct nvkm_volt *); }; int nvkm_voltgpio_init(struct nvkm_volt *); @@ -23,4 +25,6 @@ int nvkm_voltgpio_set(struct nvkm_volt *, u8); int nvkm_voltpwm_init(struct nvkm_volt *volt); int nvkm_voltpwm_get(struct nvkm_volt *volt); int nvkm_voltpwm_set(struct nvkm_volt *volt, u32 uv); + +int gf100_volt_oneinit(struct nvkm_volt *); #endif |