v5: Squashed speedo related commits.
Signed-off-by: Karol Herbst <[email protected]>
Reviewed-by: Martin Peres <[email protected]>
---
drm/nouveau/include/nvkm/subdev/volt.h | 2 ++
drm/nouveau/nvkm/subdev/volt/base.c | 24 ++++++++++++++++++++++++
drm/nouveau/nvkm/subdev/volt/gf100.c | 26 ++++++++++++++++++++++++++
drm/nouveau/nvkm/subdev/volt/gk104.c | 21 +++++++++++++++++++++
drm/nouveau/nvkm/subdev/volt/priv.h | 4 ++++
5 files changed, 77 insertions(+)
diff --git a/drm/nouveau/include/nvkm/subdev/volt.h
b/drm/nouveau/include/nvkm/subdev/volt.h
index bc8e9c9..08ef998 100644
--- a/drm/nouveau/include/nvkm/subdev/volt.h
+++ b/drm/nouveau/include/nvkm/subdev/volt.h
@@ -25,6 +25,8 @@ struct nvkm_volt {
u8 max0_id;
u8 max1_id;
u8 max2_id;
+
+ int speedo;
};
int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature);
diff --git a/drm/nouveau/nvkm/subdev/volt/base.c
b/drm/nouveau/nvkm/subdev/volt/base.c
index ec59d58..771419f 100644
--- a/drm/nouveau/nvkm/subdev/volt/base.c
+++ b/drm/nouveau/nvkm/subdev/volt/base.c
@@ -196,6 +196,14 @@ nvkm_volt_parse_bios(struct nvkm_bios *bios, struct
nvkm_volt *volt)
}
static int
+nvkm_volt_speedo_read(struct nvkm_volt *volt)
+{
+ if (volt->func->speedo_read)
+ return volt->func->speedo_read(volt);
+ return -EINVAL;
+}
+
+static int
nvkm_volt_init(struct nvkm_subdev *subdev)
{
struct nvkm_volt *volt = nvkm_volt(subdev);
@@ -209,6 +217,21 @@ nvkm_volt_init(struct nvkm_subdev *subdev)
return 0;
}
+static int
+nvkm_volt_oneinit(struct nvkm_subdev *subdev)
+{
+ struct nvkm_volt *volt = nvkm_volt(subdev);
+
+ volt->speedo = nvkm_volt_speedo_read(volt);
+ if (volt->speedo > 0)
+ nvkm_debug(&volt->subdev, "speedo %x\n", volt->speedo);
+
+ if (volt->func->oneinit)
+ return volt->func->oneinit(volt);
+
+ return 0;
+}
+
static void *
nvkm_volt_dtor(struct nvkm_subdev *subdev)
{
@@ -219,6 +242,7 @@ static const struct nvkm_subdev_func
nvkm_volt = {
.dtor = nvkm_volt_dtor,
.init = nvkm_volt_init,
+ .oneinit = nvkm_volt_oneinit,
};
void
diff --git a/drm/nouveau/nvkm/subdev/volt/gf100.c
b/drm/nouveau/nvkm/subdev/volt/gf100.c
index c21100f..d9ed692 100644
--- a/drm/nouveau/nvkm/subdev/volt/gf100.c
+++ b/drm/nouveau/nvkm/subdev/volt/gf100.c
@@ -23,10 +23,36 @@
*/
#include "priv.h"
+#include <subdev/fuse.h>
+
+static int
+gf100_volt_speedo_read(struct nvkm_volt *volt)
+{
+ struct nvkm_device *device = volt->subdev.device;
+ struct nvkm_fuse *fuse = device->fuse;
+
+ if (!fuse)
+ return -EINVAL;
+
+ return nvkm_fuse_read(fuse, 0x1cc);
+}
+
+int
+gf100_volt_oneinit(struct nvkm_volt *volt)
+{
+ struct nvkm_subdev *subdev = &volt->subdev;
+ if (volt->speedo <= 0)
+ nvkm_error(subdev, "couldn't find speedo value, volting not "
+ "possible\n");
+ return 0;
+}
+
static const struct nvkm_volt_func
gf100_volt = {
+ .oneinit = gf100_volt_oneinit,
.vid_get = nvkm_voltgpio_get,
.vid_set = nvkm_voltgpio_set,
+ .speedo_read = gf100_volt_speedo_read,
};
int
diff --git a/drm/nouveau/nvkm/subdev/volt/gk104.c
b/drm/nouveau/nvkm/subdev/volt/gk104.c
index 420bd84..b2c5d11 100644
--- a/drm/nouveau/nvkm/subdev/volt/gk104.c
+++ b/drm/nouveau/nvkm/subdev/volt/gk104.c
@@ -27,6 +27,7 @@
#include <subdev/gpio.h>
#include <subdev/bios.h>
#include <subdev/bios/volt.h>
+#include <subdev/fuse.h>
#define gk104_volt(p) container_of((p), struct gk104_volt, base)
struct gk104_volt {
@@ -64,13 +65,33 @@ gk104_volt_set(struct nvkm_volt *base, u32 uv)
return 0;
}
+static int
+gk104_volt_speedo_read(struct nvkm_volt *volt)
+{
+ struct nvkm_device *device = volt->subdev.device;
+ struct nvkm_fuse *fuse = device->fuse;
+ int ret;
+
+ if (!fuse)
+ return -EINVAL;
+
+ nvkm_wr32(device, 0x122634, 0x0);
+ ret = nvkm_fuse_read(fuse, 0x3a8);
+ nvkm_wr32(device, 0x122634, 0x41);
+ return ret;
+}
+
static const struct nvkm_volt_func
gk104_volt_pwm = {
+ .oneinit = gf100_volt_oneinit,
.volt_get = gk104_volt_get,
.volt_set = gk104_volt_set,
+ .speedo_read = gk104_volt_speedo_read,
}, gk104_volt_gpio = {
+ .oneinit = gf100_volt_oneinit,
.vid_get = nvkm_voltgpio_get,
.vid_set = nvkm_voltgpio_set,
+ .speedo_read = gk104_volt_speedo_read,
};
int
diff --git a/drm/nouveau/nvkm/subdev/volt/priv.h
b/drm/nouveau/nvkm/subdev/volt/priv.h
index d5140d9..354bafe 100644
--- a/drm/nouveau/nvkm/subdev/volt/priv.h
+++ b/drm/nouveau/nvkm/subdev/volt/priv.h
@@ -9,11 +9,13 @@ int nvkm_volt_new_(const struct nvkm_volt_func *, struct
nvkm_device *,
int index, struct nvkm_volt **);
struct nvkm_volt_func {
+ int (*oneinit)(struct nvkm_volt *);
int (*volt_get)(struct nvkm_volt *);
int (*volt_set)(struct nvkm_volt *, u32 uv);
int (*vid_get)(struct nvkm_volt *);
int (*vid_set)(struct nvkm_volt *, u8 vid);
int (*set_id)(struct nvkm_volt *, u8 id, int condition);
+ int (*speedo_read)(struct nvkm_volt *);
};
int nvkm_voltgpio_init(struct nvkm_volt *);
@@ -23,4 +25,6 @@ int nvkm_voltgpio_set(struct nvkm_volt *, u8);
int nvkm_voltpwm_init(struct nvkm_volt *volt);
int nvkm_voltpwm_get(struct nvkm_volt *volt);
int nvkm_voltpwm_set(struct nvkm_volt *volt, u32 uv);
+
+int gf100_volt_oneinit(struct nvkm_volt *);
#endif
--
2.9.2
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