Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Jeykumar Sankaran | 239 | 100.00% | 1 | 100.00% |
Total | 239 | 1 |
/* Copyright (c) 2015-2018, 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 _DPU_HW_VBIF_H #define _DPU_HW_VBIF_H #include "dpu_hw_catalog.h" #include "dpu_hw_mdss.h" #include "dpu_hw_util.h" struct dpu_hw_vbif; /** * struct dpu_hw_vbif_ops : Interface to the VBIF hardware driver functions * Assumption is these functions will be called after clocks are enabled */ struct dpu_hw_vbif_ops { /** * set_limit_conf - set transaction limit config * @vbif: vbif context driver * @xin_id: client interface identifier * @rd: true for read limit; false for write limit * @limit: outstanding transaction limit */ void (*set_limit_conf)(struct dpu_hw_vbif *vbif, u32 xin_id, bool rd, u32 limit); /** * get_limit_conf - get transaction limit config * @vbif: vbif context driver * @xin_id: client interface identifier * @rd: true for read limit; false for write limit * @return: outstanding transaction limit */ u32 (*get_limit_conf)(struct dpu_hw_vbif *vbif, u32 xin_id, bool rd); /** * set_halt_ctrl - set halt control * @vbif: vbif context driver * @xin_id: client interface identifier * @enable: halt control enable */ void (*set_halt_ctrl)(struct dpu_hw_vbif *vbif, u32 xin_id, bool enable); /** * get_halt_ctrl - get halt control * @vbif: vbif context driver * @xin_id: client interface identifier * @return: halt control enable */ bool (*get_halt_ctrl)(struct dpu_hw_vbif *vbif, u32 xin_id); /** * set_qos_remap - set QoS priority remap * @vbif: vbif context driver * @xin_id: client interface identifier * @level: priority level * @remap_level: remapped level */ void (*set_qos_remap)(struct dpu_hw_vbif *vbif, u32 xin_id, u32 level, u32 remap_level); /** * set_mem_type - set memory type * @vbif: vbif context driver * @xin_id: client interface identifier * @value: memory type value */ void (*set_mem_type)(struct dpu_hw_vbif *vbif, u32 xin_id, u32 value); /** * clear_errors - clear any vbif errors * This function clears any detected pending/source errors * on the VBIF interface, and optionally returns the detected * error mask(s). * @vbif: vbif context driver * @pnd_errors: pointer to pending error reporting variable * @src_errors: pointer to source error reporting variable */ void (*clear_errors)(struct dpu_hw_vbif *vbif, u32 *pnd_errors, u32 *src_errors); /** * set_write_gather_en - set write_gather enable * @vbif: vbif context driver * @xin_id: client interface identifier */ void (*set_write_gather_en)(struct dpu_hw_vbif *vbif, u32 xin_id); }; struct dpu_hw_vbif { /* base */ struct dpu_hw_blk_reg_map hw; /* vbif */ enum dpu_vbif idx; const struct dpu_vbif_cfg *cap; /* ops */ struct dpu_hw_vbif_ops ops; }; /** * dpu_hw_vbif_init - initializes the vbif driver for the passed interface idx * @idx: Interface index for which driver object is required * @addr: Mapped register io address of MDSS * @m: Pointer to mdss catalog data */ struct dpu_hw_vbif *dpu_hw_vbif_init(enum dpu_vbif idx, void __iomem *addr, const struct dpu_mdss_cfg *m); void dpu_hw_vbif_destroy(struct dpu_hw_vbif *vbif); #endif /*_DPU_HW_VBIF_H */
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