From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h | 97 +++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h') diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h new file mode 100644 index 000000000..7a6200099 --- /dev/null +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2014 The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only 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. + */ + +#ifndef __MDP5_CTL_H__ +#define __MDP5_CTL_H__ + +#include "msm_drv.h" + +/* + * CTL Manager prototypes: + * mdp5_ctlm_init() returns a ctlm (CTL Manager) handler, + * which is then used to call the other mdp5_ctlm_*(ctlm, ...) functions. + */ +struct mdp5_ctl_manager; +struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev, + void __iomem *mmio_base, const struct mdp5_cfg_hw *hw_cfg); +void mdp5_ctlm_hw_reset(struct mdp5_ctl_manager *ctlm); +void mdp5_ctlm_destroy(struct mdp5_ctl_manager *ctlm); + +/* + * CTL prototypes: + * mdp5_ctl_request(ctlm, ...) returns a ctl (CTL resource) handler, + * which is then used to call the other mdp5_ctl_*(ctl, ...) functions. + */ +struct mdp5_ctl *mdp5_ctlm_request(struct mdp5_ctl_manager *ctlm, struct drm_crtc *crtc); +int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl); + +struct mdp5_interface; +int mdp5_ctl_set_intf(struct mdp5_ctl *ctl, struct mdp5_interface *intf); +int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, bool enabled); + +int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, int cursor_id, bool enable); + +/* + * blend_cfg (LM blender config): + * + * The function below allows the caller of mdp5_ctl_blend() to specify how pipes + * are being blended according to their stage (z-order), through @blend_cfg arg. + */ +static inline u32 mdp_ctl_blend_mask(enum mdp5_pipe pipe, + enum mdp_mixer_stage_id stage) +{ + switch (pipe) { + case SSPP_VIG0: return MDP5_CTL_LAYER_REG_VIG0(stage); + case SSPP_VIG1: return MDP5_CTL_LAYER_REG_VIG1(stage); + case SSPP_VIG2: return MDP5_CTL_LAYER_REG_VIG2(stage); + case SSPP_RGB0: return MDP5_CTL_LAYER_REG_RGB0(stage); + case SSPP_RGB1: return MDP5_CTL_LAYER_REG_RGB1(stage); + case SSPP_RGB2: return MDP5_CTL_LAYER_REG_RGB2(stage); + case SSPP_DMA0: return MDP5_CTL_LAYER_REG_DMA0(stage); + case SSPP_DMA1: return MDP5_CTL_LAYER_REG_DMA1(stage); + case SSPP_VIG3: return MDP5_CTL_LAYER_REG_VIG3(stage); + case SSPP_RGB3: return MDP5_CTL_LAYER_REG_RGB3(stage); + default: return 0; + } +} + +/* + * mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM) + * + * @blend_cfg: see LM blender config definition below + * + * Note: + * CTL registers need to be flushed after calling this function + * (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask) + */ +int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg); + +/** + * mdp_ctl_flush_mask...() - Register FLUSH masks + * + * These masks are used to specify which block(s) need to be flushed + * through @flush_mask parameter in mdp5_ctl_commit(.., flush_mask). + */ +u32 mdp_ctl_flush_mask_lm(int lm); +u32 mdp_ctl_flush_mask_pipe(enum mdp5_pipe pipe); +u32 mdp_ctl_flush_mask_cursor(int cursor_id); +u32 mdp_ctl_flush_mask_encoder(struct mdp5_interface *intf); + +/* @flush_mask: see CTL flush masks definitions below */ +int mdp5_ctl_commit(struct mdp5_ctl *ctl, u32 flush_mask); + +void mdp5_ctl_release(struct mdp5_ctl *ctl); + + + +#endif /* __MDP5_CTL_H__ */ -- cgit v1.2.3-54-g00ecf