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5ea75e0f PJ |
1 | /* |
2 | * Copyright © 2006-2011 Intel Corporation | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | * | |
17 | * Authors: | |
18 | * Eric Anholt <eric@anholt.net> | |
19 | * Patrik Jakobsson <patrik.r.jakobsson@gmail.com> | |
20 | */ | |
21 | ||
22 | #ifndef _GMA_DISPLAY_H_ | |
23 | #define _GMA_DISPLAY_H_ | |
24 | ||
924cb5ff PJ |
25 | #include <linux/pm_runtime.h> |
26 | ||
5ea75e0f PJ |
27 | struct gma_clock_t { |
28 | /* given values */ | |
29 | int n; | |
30 | int m1, m2; | |
31 | int p1, p2; | |
32 | /* derived values */ | |
33 | int dot; | |
34 | int vco; | |
35 | int m; | |
36 | int p; | |
37 | }; | |
38 | ||
39 | struct gma_range_t { | |
40 | int min, max; | |
41 | }; | |
42 | ||
43 | struct gma_p2_t { | |
44 | int dot_limit; | |
45 | int p2_slow, p2_fast; | |
46 | }; | |
47 | ||
48 | struct gma_limit_t { | |
49 | struct gma_range_t dot, vco, n, m, m1, m2, p, p1; | |
50 | struct gma_p2_t p2; | |
51 | bool (*find_pll)(const struct gma_limit_t *, struct drm_crtc *, | |
52 | int target, int refclk, | |
53 | struct gma_clock_t *best_clock); | |
54 | }; | |
55 | ||
56 | struct gma_clock_funcs { | |
57 | void (*clock)(int refclk, struct gma_clock_t *clock); | |
58 | const struct gma_limit_t *(*limit)(struct drm_crtc *crtc, int refclk); | |
59 | bool (*pll_is_valid)(struct drm_crtc *crtc, | |
60 | const struct gma_limit_t *limit, | |
61 | struct gma_clock_t *clock); | |
62 | }; | |
63 | ||
64 | /* Common pipe related functions */ | |
65 | extern bool gma_pipe_has_type(struct drm_crtc *crtc, int type); | |
2eff0b33 PJ |
66 | extern void gma_wait_for_vblank(struct drm_device *dev); |
67 | extern int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y, | |
68 | struct drm_framebuffer *old_fb); | |
38945be6 PJ |
69 | extern int gma_crtc_cursor_set(struct drm_crtc *crtc, |
70 | struct drm_file *file_priv, | |
71 | uint32_t handle, | |
72 | uint32_t width, uint32_t height); | |
73 | extern int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); | |
2eff0b33 PJ |
74 | extern void gma_crtc_load_lut(struct drm_crtc *crtc); |
75 | extern void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, | |
76 | u16 *blue, u32 start, u32 size); | |
77 | extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode); | |
78 | extern bool gma_crtc_mode_fixup(struct drm_crtc *crtc, | |
79 | const struct drm_display_mode *mode, | |
80 | struct drm_display_mode *adjusted_mode); | |
81 | extern void gma_crtc_prepare(struct drm_crtc *crtc); | |
82 | extern void gma_crtc_commit(struct drm_crtc *crtc); | |
83 | extern void gma_crtc_disable(struct drm_crtc *crtc); | |
84 | extern void gma_crtc_destroy(struct drm_crtc *crtc); | |
924cb5ff | 85 | extern int gma_crtc_set_config(struct drm_mode_set *set); |
5ea75e0f | 86 | |
2e775700 PJ |
87 | extern void gma_crtc_save(struct drm_crtc *crtc); |
88 | extern void gma_crtc_restore(struct drm_crtc *crtc); | |
89 | ||
59345847 PJ |
90 | extern void gma_encoder_prepare(struct drm_encoder *encoder); |
91 | extern void gma_encoder_commit(struct drm_encoder *encoder); | |
92 | extern void gma_encoder_destroy(struct drm_encoder *encoder); | |
19519943 PJ |
93 | extern bool gma_encoder_mode_fixup(struct drm_encoder *encoder, |
94 | const struct drm_display_mode *mode, | |
95 | struct drm_display_mode *adjusted_mode); | |
59345847 | 96 | |
5ea75e0f PJ |
97 | /* Common clock related functions */ |
98 | extern const struct gma_limit_t *gma_limit(struct drm_crtc *crtc, int refclk); | |
99 | extern void gma_clock(int refclk, struct gma_clock_t *clock); | |
100 | extern bool gma_pll_is_valid(struct drm_crtc *crtc, | |
101 | const struct gma_limit_t *limit, | |
102 | struct gma_clock_t *clock); | |
103 | extern bool gma_find_best_pll(const struct gma_limit_t *limit, | |
104 | struct drm_crtc *crtc, int target, int refclk, | |
105 | struct gma_clock_t *best_clock); | |
106 | #endif |