+++ /dev/null
-/*
- * Copyright 2012 Red Hat Inc.
- *
- * 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: Ben Skeggs
- */
-#include "priv.h"
-
-#include <core/device.h>
-
-struct gf110_therm_priv {
- struct nvkm_therm_priv base;
-};
-
-static int
-pwm_info(struct nvkm_therm *therm, int line)
-{
- u32 gpio = nv_rd32(therm, 0x00d610 + (line * 0x04));
-
- switch (gpio & 0x000000c0) {
- case 0x00000000: /* normal mode, possibly pwm forced off by us */
- case 0x00000040: /* nvio special */
- switch (gpio & 0x0000001f) {
- case 0x00: return 2;
- case 0x19: return 1;
- case 0x1c: return 0;
- case 0x1e: return 2;
- default:
- break;
- }
- default:
- break;
- }
-
- nv_error(therm, "GPIO %d unknown PWM: 0x%08x\n", line, gpio);
- return -ENODEV;
-}
-
-static int
-gf110_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable)
-{
- u32 data = enable ? 0x00000040 : 0x00000000;
- int indx = pwm_info(therm, line);
- if (indx < 0)
- return indx;
- else if (indx < 2)
- nv_mask(therm, 0x00d610 + (line * 0x04), 0x000000c0, data);
- /* nothing to do for indx == 2, it seems hardwired to PTHERM */
- return 0;
-}
-
-static int
-gf110_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty)
-{
- int indx = pwm_info(therm, line);
- if (indx < 0)
- return indx;
- else if (indx < 2) {
- if (nv_rd32(therm, 0x00d610 + (line * 0x04)) & 0x00000040) {
- *divs = nv_rd32(therm, 0x00e114 + (indx * 8));
- *duty = nv_rd32(therm, 0x00e118 + (indx * 8));
- return 0;
- }
- } else if (indx == 2) {
- *divs = nv_rd32(therm, 0x0200d8) & 0x1fff;
- *duty = nv_rd32(therm, 0x0200dc) & 0x1fff;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int
-gf110_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty)
-{
- int indx = pwm_info(therm, line);
- if (indx < 0)
- return indx;
- else if (indx < 2) {
- nv_wr32(therm, 0x00e114 + (indx * 8), divs);
- nv_wr32(therm, 0x00e118 + (indx * 8), duty | 0x80000000);
- } else if (indx == 2) {
- nv_mask(therm, 0x0200d8, 0x1fff, divs); /* keep the high bits */
- nv_wr32(therm, 0x0200dc, duty | 0x40000000);
- }
- return 0;
-}
-
-static int
-gf110_fan_pwm_clock(struct nvkm_therm *therm, int line)
-{
- int indx = pwm_info(therm, line);
- if (indx < 0)
- return 0;
- else if (indx < 2)
- return (nv_device(therm)->crystal * 1000) / 20;
- else
- return nv_device(therm)->crystal * 1000 / 10;
-}
-
-int
-gf110_therm_init(struct nvkm_object *object)
-{
- struct gf110_therm_priv *priv = (void *)object;
- int ret;
-
- ret = nvkm_therm_init(&priv->base.base);
- if (ret)
- return ret;
-
- /* enable fan tach, count revolutions per-second */
- nv_mask(priv, 0x00e720, 0x00000003, 0x00000002);
- if (priv->base.fan->tach.func != DCB_GPIO_UNUSED) {
- nv_mask(priv, 0x00d79c, 0x000000ff, priv->base.fan->tach.line);
- nv_wr32(priv, 0x00e724, nv_device(priv)->crystal * 1000);
- nv_mask(priv, 0x00e720, 0x00000001, 0x00000001);
- }
- nv_mask(priv, 0x00e720, 0x00000002, 0x00000000);
-
- return 0;
-}
-
-static int
-gf110_therm_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
-{
- struct gf110_therm_priv *priv;
- int ret;
-
- ret = nvkm_therm_create(parent, engine, oclass, &priv);
- *pobject = nv_object(priv);
- if (ret)
- return ret;
-
- g84_sensor_setup(&priv->base.base);
-
- priv->base.base.pwm_ctrl = gf110_fan_pwm_ctrl;
- priv->base.base.pwm_get = gf110_fan_pwm_get;
- priv->base.base.pwm_set = gf110_fan_pwm_set;
- priv->base.base.pwm_clock = gf110_fan_pwm_clock;
- priv->base.base.temp_get = g84_temp_get;
- priv->base.base.fan_sense = gt215_therm_fan_sense;
- priv->base.sensor.program_alarms = nvkm_therm_program_alarms_polling;
- return nvkm_therm_preinit(&priv->base.base);
-}
-
-struct nvkm_oclass
-gf110_therm_oclass = {
- .handle = NV_SUBDEV(THERM, 0xd0),
- .ofuncs = &(struct nvkm_ofuncs) {
- .ctor = gf110_therm_ctor,
- .dtor = _nvkm_therm_dtor,
- .init = gf110_therm_init,
- .fini = g84_therm_fini,
- },
-};
Code Review / kvmfornfv.git / blobdiff