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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 | ||
26 | /* As there are different display controller blocks depending on the | |
27 | * snapdragon version, the kms support is split out and the appropriate | |
28 | * implementation is loaded at runtime. The kms module is responsible | |
29 | * for constructing the appropriate planes/crtcs/encoders/connectors. | |
30 | */ | |
31 | struct msm_kms_funcs { | |
32 | /* hw initialization: */ | |
33 | int (*hw_init)(struct msm_kms *kms); | |
34 | /* irq handling: */ | |
35 | void (*irq_preinstall)(struct msm_kms *kms); | |
36 | int (*irq_postinstall)(struct msm_kms *kms); | |
37 | void (*irq_uninstall)(struct msm_kms *kms); | |
38 | irqreturn_t (*irq)(struct msm_kms *kms); | |
39 | int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); | |
40 | void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); | |
41 | /* misc: */ | |
42 | const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format); | |
43 | long (*round_pixclk)(struct msm_kms *kms, unsigned long rate, | |
44 | struct drm_encoder *encoder); | |
45 | /* cleanup: */ | |
46 | void (*preclose)(struct msm_kms *kms, struct drm_file *file); | |
47 | void (*destroy)(struct msm_kms *kms); | |
48 | }; | |
49 | ||
50 | struct msm_kms { | |
51 | const struct msm_kms_funcs *funcs; | |
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52 | |
53 | /* irq handling: */ | |
54 | bool in_irq; | |
55 | struct list_head irq_list; /* list of mdp4_irq */ | |
56 | uint32_t vblank_mask; /* irq bits set for userspace vblank */ | |
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57 | }; |
58 | ||
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59 | static inline void msm_kms_init(struct msm_kms *kms, |
60 | const struct msm_kms_funcs *funcs) | |
61 | { | |
62 | kms->funcs = funcs; | |
63 | } | |
64 | ||
dd2da6e3 | 65 | struct msm_kms *mdp4_kms_init(struct drm_device *dev); |
06c0dd96 | 66 | struct msm_kms *mdp5_kms_init(struct drm_device *dev); |
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67 | |
68 | #endif /* __MSM_KMS_H__ */ |