[Nouveau] [PATCH 3/3] gm107/therm: add PWM fan support v2
Martin Peres
martin.peres at free.fr
Sat Aug 16 11:03:54 PDT 2014
v2: change the copyright ownership from "Nouveau Community" to myself, as per
Illia's recommendation.
Signed-off-by: Martin Peres <martin.peres at free.fr>
---
drm/Kbuild | 1 +
drm/core/subdev/therm/gm107.c | 1 +
nvkm/engine/device/gm100.c | 4 +-
nvkm/include/subdev/therm.h | 1 +
nvkm/subdev/therm/Makefile.am | 3 +-
nvkm/subdev/therm/fan.c | 9 ++++-
nvkm/subdev/therm/gm107.c | 93 +++++++++++++++++++++++++++++++++++++++++++
nvkm/subdev/therm/nvd0.c | 2 +-
nvkm/subdev/therm/priv.h | 2 +
9 files changed, 109 insertions(+), 7 deletions(-)
create mode 120000 drm/core/subdev/therm/gm107.c
create mode 100644 nvkm/subdev/therm/gm107.c
diff --git a/drm/Kbuild b/drm/Kbuild
index 75aa5e3..c663181 100644
--- a/drm/Kbuild
+++ b/drm/Kbuild
@@ -191,6 +191,7 @@ nouveau-y += core/subdev/therm/nv50.o
nouveau-y += core/subdev/therm/nv84.o
nouveau-y += core/subdev/therm/nva3.o
nouveau-y += core/subdev/therm/nvd0.o
+nouveau-y += core/subdev/therm/gm107.o
nouveau-y += core/subdev/timer/base.o
nouveau-y += core/subdev/timer/nv04.o
nouveau-y += core/subdev/timer/gk20a.o
diff --git a/drm/core/subdev/therm/gm107.c b/drm/core/subdev/therm/gm107.c
new file mode 120000
index 0000000..aafc986
--- /dev/null
+++ b/drm/core/subdev/therm/gm107.c
@@ -0,0 +1 @@
+../../../../nvkm/subdev/therm/gm107.c
\ No newline at end of file
diff --git a/nvkm/engine/device/gm100.c b/nvkm/engine/device/gm100.c
index 377ec0b..136dd98 100644
--- a/nvkm/engine/device/gm100.c
+++ b/nvkm/engine/device/gm100.c
@@ -63,9 +63,7 @@ gm100_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = nve0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nvd0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nve0_clock_oclass;
-#if 0
- device->oclass[NVDEV_SUBDEV_THERM ] = &nvd0_therm_oclass;
-#endif
+ device->oclass[NVDEV_SUBDEV_THERM ] = &gm107_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = gm107_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = gk20a_mc_oclass;
diff --git a/nvkm/include/subdev/therm.h b/nvkm/include/subdev/therm.h
index d4a6817..a437597 100644
--- a/nvkm/include/subdev/therm.h
+++ b/nvkm/include/subdev/therm.h
@@ -78,5 +78,6 @@ extern struct nouveau_oclass nv50_therm_oclass;
extern struct nouveau_oclass nv84_therm_oclass;
extern struct nouveau_oclass nva3_therm_oclass;
extern struct nouveau_oclass nvd0_therm_oclass;
+extern struct nouveau_oclass gm107_therm_oclass;
#endif
diff --git a/nvkm/subdev/therm/Makefile.am b/nvkm/subdev/therm/Makefile.am
index 460e4a0..b4f6da6 100644
--- a/nvkm/subdev/therm/Makefile.am
+++ b/nvkm/subdev/therm/Makefile.am
@@ -11,6 +11,7 @@ libtherm_la_SOURCES = base.c \
nv50.c \
nv84.c \
nva3.c \
- nvd0.c
+ nvd0.c \
+ gm107.c
include $(srcdir)/../Makefile.subdev
diff --git a/nvkm/subdev/therm/fan.c b/nvkm/subdev/therm/fan.c
index 016990a..402c9be 100644
--- a/nvkm/subdev/therm/fan.c
+++ b/nvkm/subdev/therm/fan.c
@@ -31,6 +31,8 @@
#include <subdev/gpio.h>
#include <subdev/timer.h>
+#include <subdev/bios/fan.h>
+
static int
nouveau_fan_update(struct nouveau_fan *fan, bool immediate, int target)
{
@@ -275,8 +277,11 @@ nouveau_therm_fan_ctor(struct nouveau_therm *therm)
/* other random init... */
nouveau_therm_fan_set_defaults(therm);
nvbios_perf_fan_parse(bios, &priv->fan->perf);
- if (nvbios_therm_fan_parse(bios, &priv->fan->bios))
- nv_error(therm, "parsing the thermal table failed\n");
+ if (nvbios_fan_parse(bios, &priv->fan->bios)) {
+ nv_debug(therm, "parsing the fan table failed\n");
+ if (nvbios_therm_fan_parse(bios, &priv->fan->bios))
+ nv_error(therm, "parsing both fan tables failed\n");
+ }
nouveau_therm_fan_safety_checks(therm);
return 0;
}
diff --git a/nvkm/subdev/therm/gm107.c b/nvkm/subdev/therm/gm107.c
new file mode 100644
index 0000000..2c58733
--- /dev/null
+++ b/nvkm/subdev/therm/gm107.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2014 Martin Peres
+ *
+ * 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: Martin Peres, Ben Skeggs
+ */
+
+#include "priv.h"
+
+struct gm107_therm_priv {
+ struct nouveau_therm_priv base;
+};
+
+static int
+gm107_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable)
+{
+ /* nothing to do, it seems hardwired */
+ return 0;
+}
+
+static int
+gm107_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty)
+{
+ *divs = nv_rd32(therm, 0x10eb20) & 0x1fff;
+ *duty = nv_rd32(therm, 0x10eb24) & 0x1fff;
+ return 0;
+}
+
+static int
+gm107_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty)
+{
+ nv_mask(therm, 0x10eb10, 0x1fff, divs); /* keep the high bits */
+ nv_wr32(therm, 0x10eb14, duty | 0x80000000);
+ return 0;
+}
+
+static int
+gm107_fan_pwm_clock(struct nouveau_therm *therm, int line)
+{
+ return nv_device(therm)->crystal * 1000;
+}
+
+static int
+gm107_therm_ctor(struct nouveau_object *parent,
+ struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct gm107_therm_priv *priv;
+ int ret;
+
+ ret = nouveau_therm_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ priv->base.base.pwm_ctrl = gm107_fan_pwm_ctrl;
+ priv->base.base.pwm_get = gm107_fan_pwm_get;
+ priv->base.base.pwm_set = gm107_fan_pwm_set;
+ priv->base.base.pwm_clock = gm107_fan_pwm_clock;
+ priv->base.base.temp_get = nv84_temp_get;
+ priv->base.base.fan_sense = nva3_therm_fan_sense;
+ priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling;
+ return nouveau_therm_preinit(&priv->base.base);
+}
+
+struct nouveau_oclass
+gm107_therm_oclass = {
+ .handle = NV_SUBDEV(THERM, 0x117),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = gm107_therm_ctor,
+ .dtor = _nouveau_therm_dtor,
+ .init = nvd0_therm_init,
+ .fini = nv84_therm_fini,
+ },
+};
diff --git a/nvkm/subdev/therm/nvd0.c b/nvkm/subdev/therm/nvd0.c
index bbf117b..04bb84f 100644
--- a/nvkm/subdev/therm/nvd0.c
+++ b/nvkm/subdev/therm/nvd0.c
@@ -114,7 +114,7 @@ nvd0_fan_pwm_clock(struct nouveau_therm *therm, int line)
return nv_device(therm)->crystal * 1000 / 10;
}
-static int
+int
nvd0_therm_init(struct nouveau_object *object)
{
struct nvd0_therm_priv *priv = (void *)object;
diff --git a/nvkm/subdev/therm/priv.h b/nvkm/subdev/therm/priv.h
index 916fca5..4262d1d 100644
--- a/nvkm/subdev/therm/priv.h
+++ b/nvkm/subdev/therm/priv.h
@@ -149,6 +149,8 @@ int nv84_therm_fini(struct nouveau_object *object, bool suspend);
int nva3_therm_fan_sense(struct nouveau_therm *);
+int nvd0_therm_init(struct nouveau_object *object);
+
int nouveau_fanpwm_create(struct nouveau_therm *, struct dcb_gpio_func *);
int nouveau_fantog_create(struct nouveau_therm *, struct dcb_gpio_func *);
int nouveau_fannil_create(struct nouveau_therm *);
--
2.0.0
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