forked from Minki/linux
caab277b1d
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 503 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
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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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#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 (*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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/* functions to wait for atomic commit completed on each CRTC */
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void (*wait_for_crtc_commit_done)(struct msm_kms *kms,
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struct drm_crtc *crtc);
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/* get msm_format w/ optional format modifiers from drm_mode_fb_cmd2 */
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const struct msm_format *(*get_format)(struct msm_kms *kms,
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const uint32_t format,
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const uint64_t modifiers);
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/* do format checking on format modified through fb_cmd2 modifiers */
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int (*check_modified_format)(const struct msm_kms *kms,
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const struct msm_format *msm_fmt,
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const struct drm_mode_fb_cmd2 *cmd,
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struct drm_gem_object **bos);
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/* misc: */
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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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int (*set_split_display)(struct msm_kms *kms,
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struct drm_encoder *encoder,
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struct drm_encoder *slave_encoder,
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bool is_cmd_mode);
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void (*set_encoder_mode)(struct msm_kms *kms,
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struct drm_encoder *encoder,
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bool cmd_mode);
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/* cleanup: */
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void (*destroy)(struct msm_kms *kms);
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#ifdef CONFIG_DEBUG_FS
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/* debugfs: */
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int (*debugfs_init)(struct msm_kms *kms, struct drm_minor *minor);
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#endif
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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 number to be passed on to drm_irq_install */
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int irq;
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/* mapper-id used to request GEM buffer mapped for scanout: */
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struct msm_gem_address_space *aspace;
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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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struct msm_kms *dpu_kms_init(struct drm_device *dev);
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struct msm_mdss_funcs {
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int (*enable)(struct msm_mdss *mdss);
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int (*disable)(struct msm_mdss *mdss);
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void (*destroy)(struct drm_device *dev);
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};
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struct msm_mdss {
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struct drm_device *dev;
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const struct msm_mdss_funcs *funcs;
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};
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int mdp5_mdss_init(struct drm_device *dev);
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int dpu_mdss_init(struct drm_device *dev);
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#endif /* __MSM_KMS_H__ */
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