From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c | 128 +++++++++++------------- 1 file changed, 59 insertions(+), 69 deletions(-) (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c index 39f15803f..4752dbd33 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c @@ -21,49 +21,45 @@ * * Authors: Ben Skeggs */ -#include +#include "priv.h" + #include #include #include -static int +int nvkm_volt_get(struct nvkm_volt *volt) { - if (volt->vid_get) { - int ret = volt->vid_get(volt), i; - if (ret >= 0) { - for (i = 0; i < volt->vid_nr; i++) { - if (volt->vid[i].vid == ret) - return volt->vid[i].uv; - } - ret = -EINVAL; + int ret = volt->func->vid_get(volt), i; + if (ret >= 0) { + for (i = 0; i < volt->vid_nr; i++) { + if (volt->vid[i].vid == ret) + return volt->vid[i].uv; } - return ret; + ret = -EINVAL; } - return -ENODEV; + return ret; } static int nvkm_volt_set(struct nvkm_volt *volt, u32 uv) { - if (volt->vid_set) { - int i, ret = -EINVAL; - for (i = 0; i < volt->vid_nr; i++) { - if (volt->vid[i].uv == uv) { - ret = volt->vid_set(volt, volt->vid[i].vid); - nv_debug(volt, "set %duv: %d\n", uv, ret); - break; - } + struct nvkm_subdev *subdev = &volt->subdev; + int i, ret = -EINVAL; + 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); + break; } - return ret; } - return -ENODEV; + return ret; } static int nvkm_volt_map(struct nvkm_volt *volt, u8 id) { - struct nvkm_bios *bios = nvkm_bios(volt); + struct nvkm_bios *bios = volt->subdev.device->bios; struct nvbios_vmap_entry info; u8 ver, len; u16 vmap; @@ -82,10 +78,15 @@ nvkm_volt_map(struct nvkm_volt *volt, u8 id) return id ? id * 10000 : -ENODEV; } -static int +int nvkm_volt_set_id(struct nvkm_volt *volt, u8 id, int condition) { - int ret = nvkm_volt_map(volt, id); + int ret; + + if (volt->func->set_id) + return volt->func->set_id(volt, id, condition); + + ret = nvkm_volt_map(volt, id); if (ret >= 0) { int prev = nvkm_volt_get(volt); if (!condition || prev < 0 || @@ -134,51 +135,41 @@ nvkm_volt_parse_bios(struct nvkm_bios *bios, struct nvkm_volt *volt) } } -int -_nvkm_volt_init(struct nvkm_object *object) +static int +nvkm_volt_init(struct nvkm_subdev *subdev) { - struct nvkm_volt *volt = (void *)object; - int ret; - - ret = nvkm_subdev_init(&volt->base); - if (ret) - return ret; - - ret = volt->get(volt); + struct nvkm_volt *volt = nvkm_volt(subdev); + int ret = nvkm_volt_get(volt); if (ret < 0) { if (ret != -ENODEV) - nv_debug(volt, "current voltage unknown\n"); + nvkm_debug(subdev, "current voltage unknown\n"); return 0; } - - nv_info(volt, "GPU voltage: %duv\n", ret); + nvkm_debug(subdev, "current voltage: %duv\n", ret); return 0; } -void -_nvkm_volt_dtor(struct nvkm_object *object) +static void * +nvkm_volt_dtor(struct nvkm_subdev *subdev) { - struct nvkm_volt *volt = (void *)object; - nvkm_subdev_destroy(&volt->base); + return nvkm_volt(subdev); } -int -nvkm_volt_create_(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, int length, void **pobject) -{ - struct nvkm_bios *bios = nvkm_bios(parent); - struct nvkm_volt *volt; - int ret, i; +static const struct nvkm_subdev_func +nvkm_volt = { + .dtor = nvkm_volt_dtor, + .init = nvkm_volt_init, +}; - ret = nvkm_subdev_create_(parent, engine, oclass, 0, "VOLT", - "voltage", length, pobject); - volt = *pobject; - if (ret) - return ret; +void +nvkm_volt_ctor(const struct nvkm_volt_func *func, struct nvkm_device *device, + int index, struct nvkm_volt *volt) +{ + struct nvkm_bios *bios = device->bios; + int i; - volt->get = nvkm_volt_get; - volt->set = nvkm_volt_set; - volt->set_id = nvkm_volt_set_id; + nvkm_subdev_ctor(&nvkm_volt, device, index, 0, &volt->subdev); + volt->func = func; /* Assuming the non-bios device should build the voltage table later */ if (bios) @@ -186,19 +177,18 @@ nvkm_volt_create_(struct nvkm_object *parent, struct nvkm_object *engine, if (volt->vid_nr) { for (i = 0; i < volt->vid_nr; i++) { - nv_debug(volt, "VID %02x: %duv\n", - volt->vid[i].vid, volt->vid[i].uv); - } - - /*XXX: this is an assumption.. there probably exists boards - * out there with i2c-connected voltage controllers too.. - */ - ret = nvkm_voltgpio_init(volt); - if (ret == 0) { - volt->vid_get = nvkm_voltgpio_get; - volt->vid_set = nvkm_voltgpio_set; + nvkm_debug(&volt->subdev, "VID %02x: %duv\n", + volt->vid[i].vid, volt->vid[i].uv); } } +} - return ret; +int +nvkm_volt_new_(const struct nvkm_volt_func *func, struct nvkm_device *device, + int index, struct nvkm_volt **pvolt) +{ + if (!(*pvolt = kzalloc(sizeof(**pvolt), GFP_KERNEL))) + return -ENOMEM; + nvkm_volt_ctor(func, device, index, *pvolt); + return 0; } -- cgit v1.2.3-54-g00ecf