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Rob Clarkdd2da6e2013-11-30 16:12:10 -05001/*
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 */
31struct 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
50struct msm_kms {
51 const struct msm_kms_funcs *funcs;
52};
53
54struct msm_kms *mdp4_kms_init(struct drm_device *dev);
55
56#endif /* __MSM_KMS_H__ */