forked from Minki/linux
7ca12718b3
Both MDP4 and MDP5 share some code as far as YUV support is concerned. This change adds this information and will be followed by the actual MDP4 and MDP5 YUV support patches. Signed-off-by: Stephane Viau <sviau@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* Copyright (C) 2013 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MSM_KMS_H__
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#define __MSM_KMS_H__
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#include <linux/clk.h>
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#include <linux/regulator/consumer.h>
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#include "msm_drv.h"
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#define MAX_PLANE 4
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/* As there are different display controller blocks depending on the
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* snapdragon version, the kms support is split out and the appropriate
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* implementation is loaded at runtime. The kms module is responsible
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* for constructing the appropriate planes/crtcs/encoders/connectors.
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*/
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struct msm_kms_funcs {
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/* hw initialization: */
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int (*hw_init)(struct msm_kms *kms);
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/* irq handling: */
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void (*irq_preinstall)(struct msm_kms *kms);
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int (*irq_postinstall)(struct msm_kms *kms);
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void (*irq_uninstall)(struct msm_kms *kms);
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irqreturn_t (*irq)(struct msm_kms *kms);
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int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
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void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
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/* modeset, bracketing atomic_commit(): */
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void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
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void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
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/* misc: */
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const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format);
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long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,
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struct drm_encoder *encoder);
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/* cleanup: */
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void (*preclose)(struct msm_kms *kms, struct drm_file *file);
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void (*destroy)(struct msm_kms *kms);
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};
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struct msm_kms {
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const struct msm_kms_funcs *funcs;
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/* irq handling: */
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bool in_irq;
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struct list_head irq_list; /* list of mdp4_irq */
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uint32_t vblank_mask; /* irq bits set for userspace vblank */
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};
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static inline void msm_kms_init(struct msm_kms *kms,
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const struct msm_kms_funcs *funcs)
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{
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kms->funcs = funcs;
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}
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struct msm_kms *mdp4_kms_init(struct drm_device *dev);
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struct msm_kms *mdp5_kms_init(struct drm_device *dev);
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#endif /* __MSM_KMS_H__ */
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