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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h
new file mode 100644
index 000000000000..382f8d44e140
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h
@@ -0,0 +1,64 @@
+#ifndef __NVKM_GPIO_PRIV_H__
+#define __NVKM_GPIO_PRIV_H__
+#include <subdev/gpio.h>
+
+#define nvkm_gpio_create(p,e,o,d) \
+ nvkm_gpio_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nvkm_gpio_destroy(p) ({ \
+ struct nvkm_gpio *gpio = (p); \
+ _nvkm_gpio_dtor(nv_object(gpio)); \
+})
+#define nvkm_gpio_init(p) ({ \
+ struct nvkm_gpio *gpio = (p); \
+ _nvkm_gpio_init(nv_object(gpio)); \
+})
+#define nvkm_gpio_fini(p,s) ({ \
+ struct nvkm_gpio *gpio = (p); \
+ _nvkm_gpio_fini(nv_object(gpio), (s)); \
+})
+
+int nvkm_gpio_create_(struct nvkm_object *, struct nvkm_object *,
+ struct nvkm_oclass *, int, void **);
+int _nvkm_gpio_ctor(struct nvkm_object *, struct nvkm_object *,
+ struct nvkm_oclass *, void *, u32,
+ struct nvkm_object **);
+void _nvkm_gpio_dtor(struct nvkm_object *);
+int _nvkm_gpio_init(struct nvkm_object *);
+int _nvkm_gpio_fini(struct nvkm_object *, bool);
+
+struct nvkm_gpio_impl {
+ struct nvkm_oclass base;
+ int lines;
+
+ /* read and ack pending interrupts, returning only data
+ * for lines that have not been masked off, while still
+ * performing the ack for anything that was pending.
+ */
+ void (*intr_stat)(struct nvkm_gpio *, u32 *, u32 *);
+
+ /* mask on/off interrupts for hi/lo transitions on a
+ * given set of gpio lines
+ */
+ void (*intr_mask)(struct nvkm_gpio *, u32, u32, u32);
+
+ /* configure gpio direction and output value */
+ int (*drive)(struct nvkm_gpio *, int line, int dir, int out);
+
+ /* sense current state of given gpio line */
+ int (*sense)(struct nvkm_gpio *, int line);
+
+ /*XXX*/
+ void (*reset)(struct nvkm_gpio *, u8);
+};
+
+void nv50_gpio_reset(struct nvkm_gpio *, u8);
+int nv50_gpio_drive(struct nvkm_gpio *, int, int, int);
+int nv50_gpio_sense(struct nvkm_gpio *, int);
+
+void g94_gpio_intr_stat(struct nvkm_gpio *, u32 *, u32 *);
+void g94_gpio_intr_mask(struct nvkm_gpio *, u32, u32, u32);
+
+void gf110_gpio_reset(struct nvkm_gpio *, u8);
+int gf110_gpio_drive(struct nvkm_gpio *, int, int, int);
+int gf110_gpio_sense(struct nvkm_gpio *, int);
+#endif