| /* Copyright (c) 2015-2017, 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 _SDE_HW_VBIF_H |
| #define _SDE_HW_VBIF_H |
| |
| #include "sde_hw_catalog.h" |
| #include "sde_hw_mdss.h" |
| #include "sde_hw_util.h" |
| |
| struct sde_hw_vbif; |
| |
| /** |
| * struct sde_hw_vbif_ops : Interface to the VBIF hardware driver functions |
| * Assumption is these functions will be called after clocks are enabled |
| */ |
| struct sde_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 sde_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 sde_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 sde_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 sde_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 sde_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 sde_hw_vbif *vbif, |
| u32 xin_id, u32 value); |
| }; |
| |
| struct sde_hw_vbif { |
| /* base */ |
| struct sde_hw_blk_reg_map hw; |
| |
| /* vbif */ |
| enum sde_vbif idx; |
| const struct sde_vbif_cfg *cap; |
| |
| /* ops */ |
| struct sde_hw_vbif_ops ops; |
| }; |
| |
| /** |
| * sde_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 sde_hw_vbif *sde_hw_vbif_init(enum sde_vbif idx, |
| void __iomem *addr, |
| const struct sde_mdss_cfg *m); |
| |
| void sde_hw_vbif_destroy(struct sde_hw_vbif *vbif); |
| |
| #endif /*_SDE_HW_VBIF_H */ |