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@@ -0,0 +1,116 @@
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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 "priv.h"
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+
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+static int
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+pwm_info(struct nouveau_therm *therm, int line)
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+{
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+ u32 gpio = nv_rd32(therm, 0x00d610 + (line * 0x04));
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+ if (gpio & 0x00000040) {
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+ switch (gpio & 0x0000001f) {
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+ case 0x19: return 1;
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+ case 0x1c: return 0;
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+ default:
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+ break;
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+ }
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+ }
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+
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+ nv_error(therm, "GPIO %d unknown PWM: 0x%08x\n", line, gpio);
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+ return -EINVAL;
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+}
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+
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+static int
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+nvd0_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty)
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+{
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+ int indx = pwm_info(therm, line);
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+ if (indx < 0)
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+ return indx;
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+
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+ *divs = nv_rd32(therm, 0x00e114 + (indx * 8));
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+ *duty = nv_rd32(therm, 0x00e118 + (indx * 8));
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+ return 0;
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+}
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+
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+static int
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+nvd0_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty)
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+{
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+ int indx = pwm_info(therm, line);
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+ if (indx < 0)
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+ return indx;
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+
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+ nv_wr32(therm, 0x00e114 + (indx * 8), divs);
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+ nv_wr32(therm, 0x00e118 + (indx * 8), duty | 0x80000000);
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+ return 0;
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+}
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+
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+static int
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+nvd0_fan_pwm_clock(struct nouveau_therm *therm)
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+{
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+ return (nv_device(therm)->crystal * 1000) / 20;
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+}
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+
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+static int
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+nvd0_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 nouveau_therm_priv *priv;
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+ struct nouveau_therm *therm;
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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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+ therm = (void *) priv;
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+ if (ret)
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+ return ret;
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+
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+ nouveau_therm_ic_ctor(therm);
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+ nouveau_therm_sensor_ctor(therm);
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+ nouveau_therm_fan_ctor(therm);
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+
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+ priv->fan.pwm_get = nvd0_fan_pwm_get;
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+ priv->fan.pwm_set = nvd0_fan_pwm_set;
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+ priv->fan.pwm_clock = nvd0_fan_pwm_clock;
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+
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+ therm->temp_get = nv50_temp_get;
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+ therm->fan_get = nouveau_therm_fan_user_get;
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+ therm->fan_set = nouveau_therm_fan_user_set;
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+ therm->fan_sense = nouveau_therm_fan_sense;
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+ therm->attr_get = nouveau_therm_attr_get;
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+ therm->attr_set = nouveau_therm_attr_set;
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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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+nvd0_therm_oclass = {
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+ .handle = NV_SUBDEV(THERM, 0xd0),
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+ .ofuncs = &(struct nouveau_ofuncs) {
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+ .ctor = nvd0_therm_ctor,
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+ .dtor = _nouveau_therm_dtor,
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+ .init = nouveau_therm_init,
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+ .fini = nouveau_therm_fini,
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+ },
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+};
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Ben Skeggs