| /* |
| * 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 (*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__ */ |