diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_kms.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_kms.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h new file mode 100644 index 00000000000..06437745bc2 --- /dev/null +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -0,0 +1,68 @@ +/* + * 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" + +/* 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); + /* 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); + /* 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__ */ |