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10#ifndef _GMA_DISPLAY_H_
11#define _GMA_DISPLAY_H_
12
13#include <linux/pm_runtime.h>
14#include <drm/drm_vblank.h>
15
16struct drm_encoder;
17struct drm_mode_set;
18
19struct gma_clock_t {
20
21 int n;
22 int m1, m2;
23 int p1, p2;
24
25 int dot;
26 int vco;
27 int m;
28 int p;
29};
30
31struct gma_range_t {
32 int min, max;
33};
34
35struct gma_p2_t {
36 int dot_limit;
37 int p2_slow, p2_fast;
38};
39
40struct gma_limit_t {
41 struct gma_range_t dot, vco, n, m, m1, m2, p, p1;
42 struct gma_p2_t p2;
43 bool (*find_pll)(const struct gma_limit_t *, struct drm_crtc *,
44 int target, int refclk,
45 struct gma_clock_t *best_clock);
46};
47
48struct gma_clock_funcs {
49 void (*clock)(int refclk, struct gma_clock_t *clock);
50 const struct gma_limit_t *(*limit)(struct drm_crtc *crtc, int refclk);
51 bool (*pll_is_valid)(struct drm_crtc *crtc,
52 const struct gma_limit_t *limit,
53 struct gma_clock_t *clock);
54};
55
56
57extern bool gma_pipe_has_type(struct drm_crtc *crtc, int type);
58extern void gma_wait_for_vblank(struct drm_device *dev);
59extern int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y,
60 struct drm_framebuffer *old_fb);
61extern int gma_crtc_cursor_set(struct drm_crtc *crtc,
62 struct drm_file *file_priv,
63 uint32_t handle,
64 uint32_t width, uint32_t height);
65extern int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
66extern void gma_crtc_load_lut(struct drm_crtc *crtc);
67extern int gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
68 u16 *blue, u32 size,
69 struct drm_modeset_acquire_ctx *ctx);
70extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode);
71extern void gma_crtc_prepare(struct drm_crtc *crtc);
72extern void gma_crtc_commit(struct drm_crtc *crtc);
73extern void gma_crtc_disable(struct drm_crtc *crtc);
74extern void gma_crtc_destroy(struct drm_crtc *crtc);
75extern int gma_crtc_page_flip(struct drm_crtc *crtc,
76 struct drm_framebuffer *fb,
77 struct drm_pending_vblank_event *event,
78 uint32_t page_flip_flags,
79 struct drm_modeset_acquire_ctx *ctx);
80extern int gma_crtc_set_config(struct drm_mode_set *set,
81 struct drm_modeset_acquire_ctx *ctx);
82
83extern void gma_crtc_save(struct drm_crtc *crtc);
84extern void gma_crtc_restore(struct drm_crtc *crtc);
85
86extern void gma_encoder_prepare(struct drm_encoder *encoder);
87extern void gma_encoder_commit(struct drm_encoder *encoder);
88extern void gma_encoder_destroy(struct drm_encoder *encoder);
89
90
91extern const struct gma_limit_t *gma_limit(struct drm_crtc *crtc, int refclk);
92extern void gma_clock(int refclk, struct gma_clock_t *clock);
93extern bool gma_pll_is_valid(struct drm_crtc *crtc,
94 const struct gma_limit_t *limit,
95 struct gma_clock_t *clock);
96extern bool gma_find_best_pll(const struct gma_limit_t *limit,
97 struct drm_crtc *crtc, int target, int refclk,
98 struct gma_clock_t *best_clock);
99#endif
100
