From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h | 64 +++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h') 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 000000000..382f8d44e --- /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 + +#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 -- cgit v1.2.3-54-g00ecf