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dd2da6e3 RC |
1 | /* |
2 | * Copyright (C) 2013 Red Hat | |
3 | * Author: Rob Clark <robdclark@gmail.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License version 2 as published by | |
7 | * the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #ifndef __MSM_KMS_H__ | |
19 | #define __MSM_KMS_H__ | |
20 | ||
21 | #include <linux/clk.h> | |
22 | #include <linux/regulator/consumer.h> | |
23 | ||
24 | #include "msm_drv.h" | |
25 | ||
7ca12718 SV |
26 | #define MAX_PLANE 4 |
27 | ||
dd2da6e3 RC |
28 | /* As there are different display controller blocks depending on the |
29 | * snapdragon version, the kms support is split out and the appropriate | |
30 | * implementation is loaded at runtime. The kms module is responsible | |
31 | * for constructing the appropriate planes/crtcs/encoders/connectors. | |
32 | */ | |
33 | struct msm_kms_funcs { | |
34 | /* hw initialization: */ | |
35 | int (*hw_init)(struct msm_kms *kms); | |
36 | /* irq handling: */ | |
37 | void (*irq_preinstall)(struct msm_kms *kms); | |
38 | int (*irq_postinstall)(struct msm_kms *kms); | |
39 | void (*irq_uninstall)(struct msm_kms *kms); | |
40 | irqreturn_t (*irq)(struct msm_kms *kms); | |
41 | int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); | |
42 | void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); | |
870d738a RC |
43 | /* swap global atomic state: */ |
44 | void (*swap_state)(struct msm_kms *kms, struct drm_atomic_state *state); | |
0b776d45 RC |
45 | /* modeset, bracketing atomic_commit(): */ |
46 | void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state); | |
47 | void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state); | |
0a5c9aad HL |
48 | /* functions to wait for atomic commit completed on each CRTC */ |
49 | void (*wait_for_crtc_commit_done)(struct msm_kms *kms, | |
50 | struct drm_crtc *crtc); | |
dd2da6e3 RC |
51 | /* misc: */ |
52 | const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format); | |
53 | long (*round_pixclk)(struct msm_kms *kms, unsigned long rate, | |
54 | struct drm_encoder *encoder); | |
7a6dc955 HL |
55 | int (*set_split_display)(struct msm_kms *kms, |
56 | struct drm_encoder *encoder, | |
57 | struct drm_encoder *slave_encoder, | |
58 | bool is_cmd_mode); | |
9c9f6f8d AT |
59 | void (*set_encoder_mode)(struct msm_kms *kms, |
60 | struct drm_encoder *encoder, | |
61 | bool cmd_mode); | |
dd2da6e3 | 62 | /* cleanup: */ |
dd2da6e3 | 63 | void (*destroy)(struct msm_kms *kms); |
bc5289ee RC |
64 | #ifdef CONFIG_DEBUG_FS |
65 | /* debugfs: */ | |
66 | int (*debugfs_init)(struct msm_kms *kms, struct drm_minor *minor); | |
67 | void (*debugfs_cleanup)(struct msm_kms *kms, struct drm_minor *minor); | |
68 | #endif | |
dd2da6e3 RC |
69 | }; |
70 | ||
71 | struct msm_kms { | |
72 | const struct msm_kms_funcs *funcs; | |
a2b3a557 AT |
73 | |
74 | /* irq number to be passed on to drm_irq_install */ | |
75 | int irq; | |
dd2da6e3 RC |
76 | }; |
77 | ||
870d738a RC |
78 | /** |
79 | * Subclass of drm_atomic_state, to allow kms backend to have driver | |
80 | * private global state. The kms backend can do whatever it wants | |
81 | * with the ->state ptr. On ->atomic_state_clear() the ->state ptr | |
82 | * is kfree'd and set back to NULL. | |
83 | */ | |
84 | struct msm_kms_state { | |
85 | struct drm_atomic_state base; | |
86 | void *state; | |
87 | }; | |
88 | #define to_kms_state(x) container_of(x, struct msm_kms_state, base) | |
89 | ||
9e0efa63 RC |
90 | static inline void msm_kms_init(struct msm_kms *kms, |
91 | const struct msm_kms_funcs *funcs) | |
92 | { | |
93 | kms->funcs = funcs; | |
94 | } | |
95 | ||
dd2da6e3 | 96 | struct msm_kms *mdp4_kms_init(struct drm_device *dev); |
06c0dd96 | 97 | struct msm_kms *mdp5_kms_init(struct drm_device *dev); |
990a4007 AT |
98 | int msm_mdss_init(struct drm_device *dev); |
99 | void msm_mdss_destroy(struct drm_device *dev); | |
dd2da6e3 RC |
100 | |
101 | #endif /* __MSM_KMS_H__ */ |