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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/msm/disp/dpu1/dpu_hw_vbif.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_vbif.h')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_vbif.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_vbif.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_vbif.h new file mode 100644 index 0000000000..7e10d2a172 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_vbif.h @@ -0,0 +1,119 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. + */ + +#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 + * VBIF catalog entry. + * @cfg: VBIF catalog entry for which driver object is required + * @addr: Mapped register io address of MDSS + */ +struct dpu_hw_vbif *dpu_hw_vbif_init(const struct dpu_vbif_cfg *cfg, + void __iomem *addr); + +void dpu_hw_vbif_destroy(struct dpu_hw_vbif *vbif); + +#endif /*_DPU_HW_VBIF_H */ |