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- /*
- * 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 (*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);
- /* misc: */
- const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format);
- 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);
- /* cleanup: */
- void (*preclose)(struct msm_kms *kms, struct drm_file *file);
- void (*destroy)(struct msm_kms *kms);
- };
- struct msm_kms {
- const struct msm_kms_funcs *funcs;
- /* irq handling: */
- bool in_irq;
- struct list_head irq_list; /* list of mdp4_irq */
- uint32_t vblank_mask; /* irq bits set for userspace vblank */
- };
- 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);
- #endif /* __MSM_KMS_H__ */
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