drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h

   1 #ifndef __NVKM_GPIO_PRIV_H__
   2 #define __NVKM_GPIO_PRIV_H__
   3 #include <subdev/gpio.h>
   4
   5 #define nvkm_gpio_create(p,e,o,d)                                           \
   6         nvkm_gpio_create_((p), (e), (o), sizeof(**d), (void **)d)
   7 #define nvkm_gpio_destroy(p) ({                                             \
   8         struct nvkm_gpio *gpio = (p);                                       \
   9         _nvkm_gpio_dtor(nv_object(gpio));                                   \
  10 })
  11 #define nvkm_gpio_init(p) ({                                                \
  12         struct nvkm_gpio *gpio = (p);                                       \
  13         _nvkm_gpio_init(nv_object(gpio));                                   \
  14 })
  15 #define nvkm_gpio_fini(p,s) ({                                              \
  16         struct nvkm_gpio *gpio = (p);                                       \
  17         _nvkm_gpio_fini(nv_object(gpio), (s));                              \
  18 })
  19
  20 int  nvkm_gpio_create_(struct nvkm_object *, struct nvkm_object *,
  21                           struct nvkm_oclass *, int, void **);
  22 int  _nvkm_gpio_ctor(struct nvkm_object *, struct nvkm_object *,
  23                         struct nvkm_oclass *, void *, u32,
  24                         struct nvkm_object **);
  25 void _nvkm_gpio_dtor(struct nvkm_object *);
  26 int  _nvkm_gpio_init(struct nvkm_object *);
  27 int  _nvkm_gpio_fini(struct nvkm_object *, bool);
  28
  29 struct nvkm_gpio_impl {
  30         struct nvkm_oclass base;
  31         int lines;
  32
  33         /* read and ack pending interrupts, returning only data
  34          * for lines that have not been masked off, while still
  35          * performing the ack for anything that was pending.
  36          */
  37         void (*intr_stat)(struct nvkm_gpio *, u32 *, u32 *);
  38
  39         /* mask on/off interrupts for hi/lo transitions on a
  40          * given set of gpio lines
  41          */
  42         void (*intr_mask)(struct nvkm_gpio *, u32, u32, u32);
  43
  44         /* configure gpio direction and output value */
  45         int  (*drive)(struct nvkm_gpio *, int line, int dir, int out);
  46
  47         /* sense current state of given gpio line */
  48         int  (*sense)(struct nvkm_gpio *, int line);
  49
  50         /*XXX*/
  51         void (*reset)(struct nvkm_gpio *, u8);
  52 };
  53
  54 void nv50_gpio_reset(struct nvkm_gpio *, u8);
  55 int  nv50_gpio_drive(struct nvkm_gpio *, int, int, int);
  56 int  nv50_gpio_sense(struct nvkm_gpio *, int);
  57
  58 void g94_gpio_intr_stat(struct nvkm_gpio *, u32 *, u32 *);
  59 void g94_gpio_intr_mask(struct nvkm_gpio *, u32, u32, u32);
  60
  61 void gf110_gpio_reset(struct nvkm_gpio *, u8);
  62 int  gf110_gpio_drive(struct nvkm_gpio *, int, int, int);
  63 int  gf110_gpio_sense(struct nvkm_gpio *, int);
  64 #endif