9e0efa6356
We'll want basically the same thing for mdp5, so refactor it out so it can be shared. Signed-off-by: Rob Clark <robdclark@gmail.com>
97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MDP_KMS_H__
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#define __MDP_KMS_H__
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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#include "msm_drv.h"
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#include "msm_kms.h"
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#include "mdp_common.xml.h"
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struct mdp_kms;
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struct mdp_kms_funcs {
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struct msm_kms_funcs base;
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void (*set_irqmask)(struct mdp_kms *mdp_kms, uint32_t irqmask);
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};
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struct mdp_kms {
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struct msm_kms base;
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const struct mdp_kms_funcs *funcs;
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/* irq handling: */
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bool in_irq;
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struct list_head irq_list; /* list of mdp4_irq */
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uint32_t vblank_mask; /* irq bits set for userspace vblank */
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};
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#define to_mdp_kms(x) container_of(x, struct mdp_kms, base)
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static inline void mdp_kms_init(struct mdp_kms *mdp_kms,
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const struct mdp_kms_funcs *funcs)
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{
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mdp_kms->funcs = funcs;
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INIT_LIST_HEAD(&mdp_kms->irq_list);
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msm_kms_init(&mdp_kms->base, &funcs->base);
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}
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/*
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* irq helpers:
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*/
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/* For transiently registering for different MDP irqs that various parts
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* of the KMS code need during setup/configuration. These are not
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* necessarily the same as what drm_vblank_get/put() are requesting, and
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* the hysteresis in drm_vblank_put() is not necessarily desirable for
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* internal housekeeping related irq usage.
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*/
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struct mdp_irq {
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struct list_head node;
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uint32_t irqmask;
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bool registered;
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void (*irq)(struct mdp_irq *irq, uint32_t irqstatus);
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};
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void mdp_dispatch_irqs(struct mdp_kms *mdp_kms, uint32_t status);
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void mdp_update_vblank_mask(struct mdp_kms *mdp_kms, uint32_t mask, bool enable);
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void mdp_irq_wait(struct mdp_kms *mdp_kms, uint32_t irqmask);
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void mdp_irq_register(struct mdp_kms *mdp_kms, struct mdp_irq *irq);
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void mdp_irq_unregister(struct mdp_kms *mdp_kms, struct mdp_irq *irq);
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/*
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* pixel format helpers:
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*/
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struct mdp_format {
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struct msm_format base;
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enum mdp_bpc bpc_r, bpc_g, bpc_b;
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enum mdp_bpc_alpha bpc_a;
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uint8_t unpack[4];
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bool alpha_enable, unpack_tight;
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uint8_t cpp, unpack_count;
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};
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#define to_mdp_format(x) container_of(x, struct mdp_format, base)
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uint32_t mdp_get_formats(uint32_t *formats, uint32_t max_formats);
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const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format);
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#endif /* __MDP_KMS_H__ */
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