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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.h67
1 files changed, 67 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..bff98b86e2b5
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h
@@ -0,0 +1,67 @@
+#ifndef __NVKM_GPIO_H__
+#define __NVKM_GPIO_H__
+
+#include <subdev/gpio.h>
+
+#define nouveau_gpio_create(p,e,o,d) \
+ nouveau_gpio_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nouveau_gpio_destroy(p) ({ \
+ struct nouveau_gpio *gpio = (p); \
+ _nouveau_gpio_dtor(nv_object(gpio)); \
+})
+#define nouveau_gpio_init(p) ({ \
+ struct nouveau_gpio *gpio = (p); \
+ _nouveau_gpio_init(nv_object(gpio)); \
+})
+#define nouveau_gpio_fini(p,s) ({ \
+ struct nouveau_gpio *gpio = (p); \
+ _nouveau_gpio_fini(nv_object(gpio), (s)); \
+})
+
+int nouveau_gpio_create_(struct nouveau_object *, struct nouveau_object *,
+ struct nouveau_oclass *, int, void **);
+int _nouveau_gpio_ctor(struct nouveau_object *, struct nouveau_object *,
+ struct nouveau_oclass *, void *, u32,
+ struct nouveau_object **);
+void _nouveau_gpio_dtor(struct nouveau_object *);
+int _nouveau_gpio_init(struct nouveau_object *);
+int _nouveau_gpio_fini(struct nouveau_object *, bool);
+
+struct nouveau_gpio_impl {
+ struct nouveau_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 nouveau_gpio *, u32 *, u32 *);
+
+ /* mask on/off interrupts for hi/lo transitions on a
+ * given set of gpio lines
+ */
+ void (*intr_mask)(struct nouveau_gpio *, u32, u32, u32);
+
+ /* configure gpio direction and output value */
+ int (*drive)(struct nouveau_gpio *, int line, int dir, int out);
+
+ /* sense current state of given gpio line */
+ int (*sense)(struct nouveau_gpio *, int line);
+
+ /*XXX*/
+ void (*reset)(struct nouveau_gpio *, u8);
+};
+
+void nv50_gpio_reset(struct nouveau_gpio *, u8);
+int nv50_gpio_drive(struct nouveau_gpio *, int, int, int);
+int nv50_gpio_sense(struct nouveau_gpio *, int);
+
+void nv94_gpio_intr_stat(struct nouveau_gpio *, u32 *, u32 *);
+void nv94_gpio_intr_mask(struct nouveau_gpio *, u32, u32, u32);
+
+void nvd0_gpio_reset(struct nouveau_gpio *, u8);
+int nvd0_gpio_drive(struct nouveau_gpio *, int, int, int);
+int nvd0_gpio_sense(struct nouveau_gpio *, int);
+
+
+#endif