diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.h')
-rw-r--r-- | drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.h b/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.h new file mode 100644 index 000000000..c2af68aa7 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.h @@ -0,0 +1,78 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2014 The Linux Foundation. All rights reserved. + */ + +#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, struct mdp5_cfg_handler *cfg_hnd); +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, int intf_num); + +int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl); + +struct mdp5_interface; +struct mdp5_pipeline; +int mdp5_ctl_set_pipeline(struct mdp5_ctl *ctl, struct mdp5_pipeline *p); +int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, struct mdp5_pipeline *p, + bool enabled); + +int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, struct mdp5_pipeline *pipeline, + int cursor_id, bool enable); +int mdp5_ctl_pair(struct mdp5_ctl *ctlx, struct mdp5_ctl *ctly, bool enable); + +#define MAX_PIPE_STAGE 2 + +/* + * mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM) + * + * @stage: array to contain the pipe num for each stage + * @stage_cnt: valid stage number in stage array + * @ctl_blend_op_flags: blender operation mode flags + * + * Note: + * CTL registers need to be flushed after calling this function + * (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask) + */ +#define MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT BIT(0) +int mdp5_ctl_blend(struct mdp5_ctl *ctl, struct mdp5_pipeline *pipeline, + enum mdp5_pipe stage[][MAX_PIPE_STAGE], + enum mdp5_pipe r_stage[][MAX_PIPE_STAGE], + u32 stage_cnt, u32 ctl_blend_op_flags); + +/** + * 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 */ +u32 mdp5_ctl_commit(struct mdp5_ctl *ctl, struct mdp5_pipeline *pipeline, + u32 flush_mask, bool start); +u32 mdp5_ctl_get_commit_status(struct mdp5_ctl *ctl); + + + +#endif /* __MDP5_CTL_H__ */ |