nva3.c revision 7b49bd684cea3916405e1de2f8173ac42cebc87b
17b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs/* 27b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * Copyright 2012 Red Hat Inc. 37b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * 47b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 57b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * copy of this software and associated documentation files (the "Software"), 67b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * to deal in the Software without restriction, including without limitation 77b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 87b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 97b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * Software is furnished to do so, subject to the following conditions: 107b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * 117b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * The above copyright notice and this permission notice shall be included in 127b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * all copies or substantial portions of the Software. 137b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * 147b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 157b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 167b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 177b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 187b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 197b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 207b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 217b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * 227b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs * Authors: Ben Skeggs 237b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs */ 247b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 257b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs#include <subdev/gpio.h> 267b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 277b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs#include "priv.h" 287b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 297b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsstruct nva3_therm_priv { 307b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs struct nouveau_therm_priv base; 317b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs}; 327b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 337b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsstatic int 347b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsnva3_therm_fan_sense(struct nouveau_therm *therm) 357b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs{ 367b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs u32 tach = nv_rd32(therm, 0x00e728) & 0x0000ffff; 377b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs u32 ctrl = nv_rd32(therm, 0x00e720); 387b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs if (ctrl & 0x00000001) 397b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs return tach * 60; 407b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs return -ENODEV; 417b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs} 427b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 437b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsstatic int 447b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsnva3_therm_init(struct nouveau_object *object) 457b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs{ 467b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs struct nva3_therm_priv *priv = (void *)object; 477b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs struct dcb_gpio_func *tach = &priv->base.fan.tach; 487b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs int ret; 497b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 507b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs ret = nouveau_therm_init(&priv->base.base); 517b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs if (ret) 527b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs return ret; 537b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 547b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs /* enable fan tach, count revolutions per-second */ 557b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs nv_mask(priv, 0x00e720, 0x00000003, 0x00000002); 567b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs if (tach->func != DCB_GPIO_UNUSED) { 577b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs nv_wr32(priv, 0x00e724, nv_device(priv)->crystal * 1000); 587b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs nv_mask(priv, 0x00e720, 0x001f0000, tach->line << 16); 597b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs nv_mask(priv, 0x00e720, 0x00000001, 0x00000001); 607b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs } 617b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs nv_mask(priv, 0x00e720, 0x00000002, 0x00000000); 627b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 637b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs return 0; 647b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs} 657b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 667b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsstatic int 677b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsnva3_therm_ctor(struct nouveau_object *parent, 687b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs struct nouveau_object *engine, 697b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs struct nouveau_oclass *oclass, void *data, u32 size, 707b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs struct nouveau_object **pobject) 717b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs{ 727b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs struct nva3_therm_priv *priv; 737b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs int ret; 747b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 757b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs ret = nouveau_therm_create(parent, engine, oclass, &priv); 767b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs *pobject = nv_object(priv); 777b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs if (ret) 787b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs return ret; 797b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 807b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs priv->base.fan.pwm_get = nv50_fan_pwm_get; 817b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs priv->base.fan.pwm_set = nv50_fan_pwm_set; 827b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs priv->base.fan.pwm_clock = nv50_fan_pwm_clock; 837b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs priv->base.base.temp_get = nv50_temp_get; 847b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs priv->base.base.fan_sense = nva3_therm_fan_sense; 857b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs return 0; 867b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs} 877b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs 887b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsstruct nouveau_oclass 897b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggsnva3_therm_oclass = { 907b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs .handle = NV_SUBDEV(THERM, 0xa3), 917b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs .ofuncs = &(struct nouveau_ofuncs) { 927b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs .ctor = nva3_therm_ctor, 937b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs .dtor = _nouveau_therm_dtor, 947b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs .init = nva3_therm_init, 957b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs .fini = _nouveau_therm_fini, 967b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs }, 977b49bd684cea3916405e1de2f8173ac42cebc87bBen Skeggs}; 98