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path: root/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/subdev/i2c.h')
-rw-r--r--drivers/gpu/drm/nouveau/core/include/subdev/i2c.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h b/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h
index 9c15056..db1b39d0 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/i2c.h
@@ -28,6 +28,7 @@ enum nvkm_i2c_event {
struct nouveau_i2c_port {
struct nouveau_object base;
struct i2c_adapter adapter;
+ struct mutex mutex;
struct list_head head;
u8 index;
@@ -37,9 +38,6 @@ struct nouveau_i2c_port {
};
struct nouveau_i2c_func {
- void (*acquire)(struct nouveau_i2c_port *);
- void (*release)(struct nouveau_i2c_port *);
-
void (*drive_scl)(struct nouveau_i2c_port *, int);
void (*drive_sda)(struct nouveau_i2c_port *, int);
int (*sense_scl)(struct nouveau_i2c_port *);
@@ -62,12 +60,16 @@ struct nouveau_i2c {
struct nouveau_i2c_port *(*find)(struct nouveau_i2c *, u8 index);
struct nouveau_i2c_port *(*find_type)(struct nouveau_i2c *, u16 type);
+ int (*acquire_pad)(struct nouveau_i2c_port *, unsigned long timeout);
+ void (*release_pad)(struct nouveau_i2c_port *);
int (*acquire)(struct nouveau_i2c_port *, unsigned long timeout);
void (*release)(struct nouveau_i2c_port *);
int (*identify)(struct nouveau_i2c *, int index,
const char *what, struct nouveau_i2c_board_info *,
bool (*match)(struct nouveau_i2c_port *,
struct i2c_board_info *, void *), void *);
+
+ wait_queue_head_t wait;
struct list_head ports;
};
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