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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 __MDP_KMS_H__ | |
19 | #define __MDP_KMS_H__ | |
20 | ||
21 | #include <linux/clk.h> | |
22 | #include <linux/platform_device.h> | |
23 | #include <linux/regulator/consumer.h> | |
24 | ||
25 | #include "msm_drv.h" | |
9e0efa63 | 26 | #include "msm_kms.h" |
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27 | #include "mdp_common.xml.h" |
28 | ||
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29 | struct mdp_kms; |
30 | ||
31 | struct mdp_kms_funcs { | |
32 | struct msm_kms_funcs base; | |
33 | void (*set_irqmask)(struct mdp_kms *mdp_kms, uint32_t irqmask); | |
34 | }; | |
35 | ||
36 | struct mdp_kms { | |
37 | struct msm_kms base; | |
38 | ||
39 | const struct mdp_kms_funcs *funcs; | |
40 | ||
41 | /* irq handling: */ | |
42 | bool in_irq; | |
43 | struct list_head irq_list; /* list of mdp4_irq */ | |
44 | uint32_t vblank_mask; /* irq bits set for userspace vblank */ | |
45 | }; | |
46 | #define to_mdp_kms(x) container_of(x, struct mdp_kms, base) | |
47 | ||
48 | static inline void mdp_kms_init(struct mdp_kms *mdp_kms, | |
49 | const struct mdp_kms_funcs *funcs) | |
50 | { | |
51 | mdp_kms->funcs = funcs; | |
52 | INIT_LIST_HEAD(&mdp_kms->irq_list); | |
53 | msm_kms_init(&mdp_kms->base, &funcs->base); | |
54 | } | |
55 | ||
56 | /* | |
57 | * irq helpers: | |
58 | */ | |
59 | ||
60 | /* For transiently registering for different MDP irqs that various parts | |
61 | * of the KMS code need during setup/configuration. These are not | |
62 | * necessarily the same as what drm_vblank_get/put() are requesting, and | |
63 | * the hysteresis in drm_vblank_put() is not necessarily desirable for | |
64 | * internal housekeeping related irq usage. | |
65 | */ | |
66 | struct mdp_irq { | |
67 | struct list_head node; | |
68 | uint32_t irqmask; | |
69 | bool registered; | |
70 | void (*irq)(struct mdp_irq *irq, uint32_t irqstatus); | |
71 | }; | |
72 | ||
73 | void mdp_dispatch_irqs(struct mdp_kms *mdp_kms, uint32_t status); | |
74 | void mdp_update_vblank_mask(struct mdp_kms *mdp_kms, uint32_t mask, bool enable); | |
75 | void mdp_irq_wait(struct mdp_kms *mdp_kms, uint32_t irqmask); | |
76 | void mdp_irq_register(struct mdp_kms *mdp_kms, struct mdp_irq *irq); | |
77 | void mdp_irq_unregister(struct mdp_kms *mdp_kms, struct mdp_irq *irq); | |
8bc1fe92 | 78 | void mdp_irq_update(struct mdp_kms *mdp_kms); |
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79 | |
80 | /* | |
81 | * pixel format helpers: | |
82 | */ | |
83 | ||
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84 | struct mdp_format { |
85 | struct msm_format base; | |
86 | enum mdp_bpc bpc_r, bpc_g, bpc_b; | |
87 | enum mdp_bpc_alpha bpc_a; | |
88 | uint8_t unpack[4]; | |
89 | bool alpha_enable, unpack_tight; | |
90 | uint8_t cpp, unpack_count; | |
91 | }; | |
92 | #define to_mdp_format(x) container_of(x, struct mdp_format, base) | |
93 | ||
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94 | uint32_t mdp_get_formats(uint32_t *formats, uint32_t max_formats); |
95 | const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format); | |
96 | ||
97 | #endif /* __MDP_KMS_H__ */ |