116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
|
|
* Copyright (C) 2013 Red Hat
|
|
* Author: Rob Clark <robdclark@gmail.com>
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef __MSM_KMS_H__
|
|
#define __MSM_KMS_H__
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/regulator/consumer.h>
|
|
|
|
#include "msm_drv.h"
|
|
|
|
#define MAX_PLANE 4
|
|
|
|
/* As there are different display controller blocks depending on the
|
|
* snapdragon version, the kms support is split out and the appropriate
|
|
* implementation is loaded at runtime. The kms module is responsible
|
|
* for constructing the appropriate planes/crtcs/encoders/connectors.
|
|
*/
|
|
struct msm_kms_funcs {
|
|
/* hw initialization: */
|
|
int (*hw_init)(struct msm_kms *kms);
|
|
/* irq handling: */
|
|
void (*irq_preinstall)(struct msm_kms *kms);
|
|
int (*irq_postinstall)(struct msm_kms *kms);
|
|
void (*irq_uninstall)(struct msm_kms *kms);
|
|
irqreturn_t (*irq)(struct msm_kms *kms);
|
|
int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
|
|
void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
|
|
/* modeset, bracketing atomic_commit(): */
|
|
void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
|
|
void (*commit)(struct msm_kms *kms, struct drm_atomic_state *state);
|
|
void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
|
|
/* functions to wait for atomic commit completed on each CRTC */
|
|
void (*wait_for_crtc_commit_done)(struct msm_kms *kms,
|
|
struct drm_crtc *crtc);
|
|
/* get msm_format w/ optional format modifiers from drm_mode_fb_cmd2 */
|
|
const struct msm_format *(*get_format)(struct msm_kms *kms,
|
|
const uint32_t format,
|
|
const uint64_t modifiers);
|
|
/* do format checking on format modified through fb_cmd2 modifiers */
|
|
int (*check_modified_format)(const struct msm_kms *kms,
|
|
const struct msm_format *msm_fmt,
|
|
const struct drm_mode_fb_cmd2 *cmd,
|
|
struct drm_gem_object **bos);
|
|
/* misc: */
|
|
long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,
|
|
struct drm_encoder *encoder);
|
|
int (*set_split_display)(struct msm_kms *kms,
|
|
struct drm_encoder *encoder,
|
|
struct drm_encoder *slave_encoder,
|
|
bool is_cmd_mode);
|
|
void (*set_encoder_mode)(struct msm_kms *kms,
|
|
struct drm_encoder *encoder,
|
|
bool cmd_mode);
|
|
/* pm suspend/resume hooks */
|
|
int (*pm_suspend)(struct device *dev);
|
|
int (*pm_resume)(struct device *dev);
|
|
/* cleanup: */
|
|
void (*destroy)(struct msm_kms *kms);
|
|
#ifdef CONFIG_DEBUG_FS
|
|
/* debugfs: */
|
|
int (*debugfs_init)(struct msm_kms *kms, struct drm_minor *minor);
|
|
#endif
|
|
};
|
|
|
|
struct msm_kms {
|
|
const struct msm_kms_funcs *funcs;
|
|
|
|
/* irq number to be passed on to drm_irq_install */
|
|
int irq;
|
|
|
|
/* mapper-id used to request GEM buffer mapped for scanout: */
|
|
struct msm_gem_address_space *aspace;
|
|
};
|
|
|
|
static inline void msm_kms_init(struct msm_kms *kms,
|
|
const struct msm_kms_funcs *funcs)
|
|
{
|
|
kms->funcs = funcs;
|
|
}
|
|
|
|
struct msm_kms *mdp4_kms_init(struct drm_device *dev);
|
|
struct msm_kms *mdp5_kms_init(struct drm_device *dev);
|
|
struct msm_kms *dpu_kms_init(struct drm_device *dev);
|
|
|
|
struct msm_mdss_funcs {
|
|
int (*enable)(struct msm_mdss *mdss);
|
|
int (*disable)(struct msm_mdss *mdss);
|
|
void (*destroy)(struct drm_device *dev);
|
|
};
|
|
|
|
struct msm_mdss {
|
|
struct drm_device *dev;
|
|
const struct msm_mdss_funcs *funcs;
|
|
};
|
|
|
|
int mdp5_mdss_init(struct drm_device *dev);
|
|
int dpu_mdss_init(struct drm_device *dev);
|
|
|
|
#endif /* __MSM_KMS_H__ */
|