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@@ -0,0 +1,97 @@
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+/*
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+ * Copyright 2012 Red Hat Inc.
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ *
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+ * Authors: Ben Skeggs
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+ */
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+
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+#include <subdev/gpio.h>
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+
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+#include "priv.h"
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+
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+struct nva3_therm_priv {
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+ struct nouveau_therm_priv base;
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+};
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+
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+static int
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+nva3_therm_fan_sense(struct nouveau_therm *therm)
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+{
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+ u32 tach = nv_rd32(therm, 0x00e728) & 0x0000ffff;
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+ u32 ctrl = nv_rd32(therm, 0x00e720);
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+ if (ctrl & 0x00000001)
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+ return tach * 60;
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+ return -ENODEV;
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+}
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+
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+static int
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+nva3_therm_init(struct nouveau_object *object)
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+{
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+ struct nva3_therm_priv *priv = (void *)object;
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+ struct dcb_gpio_func *tach = &priv->base.fan.tach;
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+ int ret;
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+
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+ ret = nouveau_therm_init(&priv->base.base);
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+ if (ret)
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+ return ret;
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+
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+ /* enable fan tach, count revolutions per-second */
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+ nv_mask(priv, 0x00e720, 0x00000003, 0x00000002);
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+ if (tach->func != DCB_GPIO_UNUSED) {
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+ nv_wr32(priv, 0x00e724, nv_device(priv)->crystal * 1000);
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+ nv_mask(priv, 0x00e720, 0x001f0000, tach->line << 16);
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+ nv_mask(priv, 0x00e720, 0x00000001, 0x00000001);
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+ }
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+ nv_mask(priv, 0x00e720, 0x00000002, 0x00000000);
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+
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+ return 0;
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+}
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+
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+static int
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+nva3_therm_ctor(struct nouveau_object *parent,
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+ struct nouveau_object *engine,
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+ struct nouveau_oclass *oclass, void *data, u32 size,
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+ struct nouveau_object **pobject)
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+{
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+ struct nva3_therm_priv *priv;
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+ int ret;
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+
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+ ret = nouveau_therm_create(parent, engine, oclass, &priv);
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+ *pobject = nv_object(priv);
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+ if (ret)
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+ return ret;
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+
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+ priv->base.fan.pwm_get = nv50_fan_pwm_get;
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+ priv->base.fan.pwm_set = nv50_fan_pwm_set;
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+ priv->base.fan.pwm_clock = nv50_fan_pwm_clock;
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+ priv->base.base.temp_get = nv50_temp_get;
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+ priv->base.base.fan_sense = nva3_therm_fan_sense;
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+ return 0;
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+}
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+
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+struct nouveau_oclass
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+nva3_therm_oclass = {
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+ .handle = NV_SUBDEV(THERM, 0xa3),
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+ .ofuncs = &(struct nouveau_ofuncs) {
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+ .ctor = nva3_therm_ctor,
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+ .dtor = _nouveau_therm_dtor,
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+ .init = nva3_therm_init,
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+ .fini = _nouveau_therm_fini,
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+ },
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+};
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Ben Skeggs