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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); | |
0b776d45 RC |
43 | /* modeset, bracketing atomic_commit(): */ |
44 | void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state); | |
45 | void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state); | |
0a5c9aad HL |
46 | /* functions to wait for atomic commit completed on each CRTC */ |
47 | void (*wait_for_crtc_commit_done)(struct msm_kms *kms, | |
48 | struct drm_crtc *crtc); | |
dd2da6e3 RC |
49 | /* misc: */ |
50 | const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format); | |
51 | long (*round_pixclk)(struct msm_kms *kms, unsigned long rate, | |
52 | struct drm_encoder *encoder); | |
7a6dc955 HL |
53 | int (*set_split_display)(struct msm_kms *kms, |
54 | struct drm_encoder *encoder, | |
55 | struct drm_encoder *slave_encoder, | |
56 | bool is_cmd_mode); | |
dd2da6e3 RC |
57 | /* cleanup: */ |
58 | void (*preclose)(struct msm_kms *kms, struct drm_file *file); | |
59 | void (*destroy)(struct msm_kms *kms); | |
60 | }; | |
61 | ||
62 | struct msm_kms { | |
63 | const struct msm_kms_funcs *funcs; | |
9e0efa63 RC |
64 | |
65 | /* irq handling: */ | |
66 | bool in_irq; | |
67 | struct list_head irq_list; /* list of mdp4_irq */ | |
68 | uint32_t vblank_mask; /* irq bits set for userspace vblank */ | |
dd2da6e3 RC |
69 | }; |
70 | ||
9e0efa63 RC |
71 | static inline void msm_kms_init(struct msm_kms *kms, |
72 | const struct msm_kms_funcs *funcs) | |
73 | { | |
74 | kms->funcs = funcs; | |
75 | } | |
76 | ||
dd2da6e3 | 77 | struct msm_kms *mdp4_kms_init(struct drm_device *dev); |
06c0dd96 | 78 | struct msm_kms *mdp5_kms_init(struct drm_device *dev); |
dd2da6e3 RC |
79 | |
80 | #endif /* __MSM_KMS_H__ */ |