projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 97fb5e8d | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 25fdd593 | 2 | /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. |
| 25fdd593 JS |
3 | */ |
| 4 | ||
| 5 | #ifndef _DPU_HW_VBIF_H | |
| 6 | #define _DPU_HW_VBIF_H | |
| 7 | ||
| 8 | #include "dpu_hw_catalog.h" | |
| 9 | #include "dpu_hw_mdss.h" | |
| 10 | #include "dpu_hw_util.h" | |
| 11 | ||
| 12 | struct dpu_hw_vbif; | |
| 13 | ||
| 14 | /** | |
| 15 | * struct dpu_hw_vbif_ops : Interface to the VBIF hardware driver functions | |
| 16 | * Assumption is these functions will be called after clocks are enabled | |
| 17 | */ | |
| 18 | struct dpu_hw_vbif_ops { | |
| 19 | /** | |
| 20 | * set_limit_conf - set transaction limit config | |
| 21 | * @vbif: vbif context driver | |
| 22 | * @xin_id: client interface identifier | |
| 23 | * @rd: true for read limit; false for write limit | |
| 24 | * @limit: outstanding transaction limit | |
| 25 | */ | |
| 26 | void (*set_limit_conf)(struct dpu_hw_vbif *vbif, | |
| 27 | u32 xin_id, bool rd, u32 limit); | |
| 28 | ||
| 29 | /** | |
| 30 | * get_limit_conf - get transaction limit config | |
| 31 | * @vbif: vbif context driver | |
| 32 | * @xin_id: client interface identifier | |
| 33 | * @rd: true for read limit; false for write limit | |
| 34 | * @return: outstanding transaction limit | |
| 35 | */ | |
| 36 | u32 (*get_limit_conf)(struct dpu_hw_vbif *vbif, | |
| 37 | u32 xin_id, bool rd); | |
| 38 | ||
| 39 | /** | |
| 40 | * set_halt_ctrl - set halt control | |
| 41 | * @vbif: vbif context driver | |
| 42 | * @xin_id: client interface identifier | |
| 43 | * @enable: halt control enable | |
| 44 | */ | |
| 45 | void (*set_halt_ctrl)(struct dpu_hw_vbif *vbif, | |
| 46 | u32 xin_id, bool enable); | |
| 47 | ||
| 48 | /** | |
| 49 | * get_halt_ctrl - get halt control | |
| 50 | * @vbif: vbif context driver | |
| 51 | * @xin_id: client interface identifier | |
| 52 | * @return: halt control enable | |
| 53 | */ | |
| 54 | bool (*get_halt_ctrl)(struct dpu_hw_vbif *vbif, | |
| 55 | u32 xin_id); | |
| 56 | ||
| 57 | /** | |
| 58 | * set_qos_remap - set QoS priority remap | |
| 59 | * @vbif: vbif context driver | |
| 60 | * @xin_id: client interface identifier | |
| 61 | * @level: priority level | |
| 62 | * @remap_level: remapped level | |
| 63 | */ | |
| 64 | void (*set_qos_remap)(struct dpu_hw_vbif *vbif, | |
| 65 | u32 xin_id, u32 level, u32 remap_level); | |
| 66 | ||
| 67 | /** | |
| 68 | * set_mem_type - set memory type | |
| 69 | * @vbif: vbif context driver | |
| 70 | * @xin_id: client interface identifier | |
| 71 | * @value: memory type value | |
| 72 | */ | |
| 73 | void (*set_mem_type)(struct dpu_hw_vbif *vbif, | |
| 74 | u32 xin_id, u32 value); | |
| 75 | ||
| 76 | /** | |
| 77 | * clear_errors - clear any vbif errors | |
| 78 | * This function clears any detected pending/source errors | |
| 79 | * on the VBIF interface, and optionally returns the detected | |
| 80 | * error mask(s). | |
| 81 | * @vbif: vbif context driver | |
| 82 | * @pnd_errors: pointer to pending error reporting variable | |
| 83 | * @src_errors: pointer to source error reporting variable | |
| 84 | */ | |
| 85 | void (*clear_errors)(struct dpu_hw_vbif *vbif, | |
| 86 | u32 *pnd_errors, u32 *src_errors); | |
| 87 | ||
| 88 | /** | |
| 89 | * set_write_gather_en - set write_gather enable | |
| 90 | * @vbif: vbif context driver | |
| 91 | * @xin_id: client interface identifier | |
| 92 | */ | |
| 93 | void (*set_write_gather_en)(struct dpu_hw_vbif *vbif, u32 xin_id); | |
| 94 | }; | |
| 95 | ||
| 96 | struct dpu_hw_vbif { | |
| 97 | /* base */ | |
| 98 | struct dpu_hw_blk_reg_map hw; | |
| 99 | ||
| 100 | /* vbif */ | |
| 101 | enum dpu_vbif idx; | |
| 102 | const struct dpu_vbif_cfg *cap; | |
| 103 | ||
| 104 | /* ops */ | |
| 105 | struct dpu_hw_vbif_ops ops; | |
| 106 | }; | |
| 107 | ||
| 108 | /** | |
| 109 | * dpu_hw_vbif_init - initializes the vbif driver for the passed interface idx | |
| 110 | * @idx: Interface index for which driver object is required | |
| 111 | * @addr: Mapped register io address of MDSS | |
| 112 | * @m: Pointer to mdss catalog data | |
| 113 | */ | |
| 114 | struct dpu_hw_vbif *dpu_hw_vbif_init(enum dpu_vbif idx, | |
| 115 | void __iomem *addr, | |
| 116 | const struct dpu_mdss_cfg *m); | |
| 117 | ||
| 118 | void dpu_hw_vbif_destroy(struct dpu_hw_vbif *vbif); | |
| 119 | ||
| 120 | #endif /*_DPU_HW_VBIF_H */ |