diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp_kms.h')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp_kms.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp_kms.h b/drivers/gpu/drm/msm/mdp/mdp_kms.h new file mode 100644 index 000000000000..99557b5ad4fd --- /dev/null +++ b/drivers/gpu/drm/msm/mdp/mdp_kms.h @@ -0,0 +1,97 @@ +/* + * 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 __MDP_KMS_H__ +#define __MDP_KMS_H__ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> + +#include "msm_drv.h" +#include "msm_kms.h" +#include "mdp_common.xml.h" + +struct mdp_kms; + +struct mdp_kms_funcs { + struct msm_kms_funcs base; + void (*set_irqmask)(struct mdp_kms *mdp_kms, uint32_t irqmask); +}; + +struct mdp_kms { + struct msm_kms base; + + const struct mdp_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 */ +}; +#define to_mdp_kms(x) container_of(x, struct mdp_kms, base) + +static inline void mdp_kms_init(struct mdp_kms *mdp_kms, + const struct mdp_kms_funcs *funcs) +{ + mdp_kms->funcs = funcs; + INIT_LIST_HEAD(&mdp_kms->irq_list); + msm_kms_init(&mdp_kms->base, &funcs->base); +} + +/* + * irq helpers: + */ + +/* For transiently registering for different MDP irqs that various parts + * of the KMS code need during setup/configuration. These are not + * necessarily the same as what drm_vblank_get/put() are requesting, and + * the hysteresis in drm_vblank_put() is not necessarily desirable for + * internal housekeeping related irq usage. + */ +struct mdp_irq { + struct list_head node; + uint32_t irqmask; + bool registered; + void (*irq)(struct mdp_irq *irq, uint32_t irqstatus); +}; + +void mdp_dispatch_irqs(struct mdp_kms *mdp_kms, uint32_t status); +void mdp_update_vblank_mask(struct mdp_kms *mdp_kms, uint32_t mask, bool enable); +void mdp_irq_wait(struct mdp_kms *mdp_kms, uint32_t irqmask); +void mdp_irq_register(struct mdp_kms *mdp_kms, struct mdp_irq *irq); +void mdp_irq_unregister(struct mdp_kms *mdp_kms, struct mdp_irq *irq); + + +/* + * pixel format helpers: + */ + +struct mdp_format { + struct msm_format base; + enum mdp_bpc bpc_r, bpc_g, bpc_b; + enum mdp_bpc_alpha bpc_a; + uint8_t unpack[4]; + bool alpha_enable, unpack_tight; + uint8_t cpp, unpack_count; +}; +#define to_mdp_format(x) container_of(x, struct mdp_format, base) + +uint32_t mdp_get_formats(uint32_t *formats, uint32_t max_formats); +const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format); + +#endif /* __MDP_KMS_H__ */ |