diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h new file mode 100644 index 000000000000..4d81e5f5ce1b --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h @@ -0,0 +1,424 @@ +/* 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_SSPP_H +#define _DPU_HW_SSPP_H + +#include "dpu_hw_catalog.h" +#include "dpu_hw_mdss.h" +#include "dpu_hw_util.h" +#include "dpu_hw_blk.h" +#include "dpu_formats.h" + +struct dpu_hw_pipe; + +/** + * Flags + */ +#define DPU_SSPP_FLIP_LR BIT(0) +#define DPU_SSPP_FLIP_UD BIT(1) +#define DPU_SSPP_SOURCE_ROTATED_90 BIT(2) +#define DPU_SSPP_ROT_90 BIT(3) +#define DPU_SSPP_SOLID_FILL BIT(4) + +/** + * Define all scaler feature bits in catalog + */ +#define DPU_SSPP_SCALER ((1UL << DPU_SSPP_SCALER_RGB) | \ + (1UL << DPU_SSPP_SCALER_QSEED2) | \ + (1UL << DPU_SSPP_SCALER_QSEED3)) + +/** + * Component indices + */ +enum { + DPU_SSPP_COMP_0, + DPU_SSPP_COMP_1_2, + DPU_SSPP_COMP_2, + DPU_SSPP_COMP_3, + + DPU_SSPP_COMP_MAX +}; + +/** + * DPU_SSPP_RECT_SOLO - multirect disabled + * DPU_SSPP_RECT_0 - rect0 of a multirect pipe + * DPU_SSPP_RECT_1 - rect1 of a multirect pipe + * + * Note: HW supports multirect with either RECT0 or + * RECT1. Considering no benefit of such configs over + * SOLO mode and to keep the plane management simple, + * we dont support single rect multirect configs. + */ +enum dpu_sspp_multirect_index { + DPU_SSPP_RECT_SOLO = 0, + DPU_SSPP_RECT_0, + DPU_SSPP_RECT_1, +}; + +enum dpu_sspp_multirect_mode { + DPU_SSPP_MULTIRECT_NONE = 0, + DPU_SSPP_MULTIRECT_PARALLEL, + DPU_SSPP_MULTIRECT_TIME_MX, +}; + +enum { + DPU_FRAME_LINEAR, + DPU_FRAME_TILE_A4X, + DPU_FRAME_TILE_A5X, +}; + +enum dpu_hw_filter { + DPU_SCALE_FILTER_NEAREST = 0, + DPU_SCALE_FILTER_BIL, + DPU_SCALE_FILTER_PCMN, + DPU_SCALE_FILTER_CA, + DPU_SCALE_FILTER_MAX +}; + +enum dpu_hw_filter_alpa { + DPU_SCALE_ALPHA_PIXEL_REP, + DPU_SCALE_ALPHA_BIL +}; + +enum dpu_hw_filter_yuv { + DPU_SCALE_2D_4X4, + DPU_SCALE_2D_CIR, + DPU_SCALE_1D_SEP, + DPU_SCALE_BIL +}; + +struct dpu_hw_sharp_cfg { + u32 strength; + u32 edge_thr; + u32 smooth_thr; + u32 noise_thr; +}; + +struct dpu_hw_pixel_ext { + /* scaling factors are enabled for this input layer */ + uint8_t enable_pxl_ext; + + int init_phase_x[DPU_MAX_PLANES]; + int phase_step_x[DPU_MAX_PLANES]; + int init_phase_y[DPU_MAX_PLANES]; + int phase_step_y[DPU_MAX_PLANES]; + + /* + * Number of pixels extension in left, right, top and bottom direction + * for all color components. This pixel value for each color component + * should be sum of fetch + repeat pixels. + */ + int num_ext_pxls_left[DPU_MAX_PLANES]; + int num_ext_pxls_right[DPU_MAX_PLANES]; + int num_ext_pxls_top[DPU_MAX_PLANES]; + int num_ext_pxls_btm[DPU_MAX_PLANES]; + + /* + * Number of pixels needs to be overfetched in left, right, top and + * bottom directions from source image for scaling. + */ + int left_ftch[DPU_MAX_PLANES]; + int right_ftch[DPU_MAX_PLANES]; + int top_ftch[DPU_MAX_PLANES]; + int btm_ftch[DPU_MAX_PLANES]; + + /* + * Number of pixels needs to be repeated in left, right, top and + * bottom directions for scaling. + */ + int left_rpt[DPU_MAX_PLANES]; + int right_rpt[DPU_MAX_PLANES]; + int top_rpt[DPU_MAX_PLANES]; + int btm_rpt[DPU_MAX_PLANES]; + + uint32_t roi_w[DPU_MAX_PLANES]; + uint32_t roi_h[DPU_MAX_PLANES]; + + /* + * Filter type to be used for scaling in horizontal and vertical + * directions + */ + enum dpu_hw_filter horz_filter[DPU_MAX_PLANES]; + enum dpu_hw_filter vert_filter[DPU_MAX_PLANES]; + +}; + +/** + * struct dpu_hw_pipe_cfg : Pipe description + * @layout: format layout information for programming buffer to hardware + * @src_rect: src ROI, caller takes into account the different operations + * such as decimation, flip etc to program this field + * @dest_rect: destination ROI. + * @index: index of the rectangle of SSPP + * @mode: parallel or time multiplex multirect mode + */ +struct dpu_hw_pipe_cfg { + struct dpu_hw_fmt_layout layout; + struct drm_rect src_rect; + struct drm_rect dst_rect; + enum dpu_sspp_multirect_index index; + enum dpu_sspp_multirect_mode mode; +}; + +/** + * struct dpu_hw_pipe_qos_cfg : Source pipe QoS configuration + * @danger_lut: LUT for generate danger level based on fill level + * @safe_lut: LUT for generate safe level based on fill level + * @creq_lut: LUT for generate creq level based on fill level + * @creq_vblank: creq value generated to vbif during vertical blanking + * @danger_vblank: danger value generated during vertical blanking + * @vblank_en: enable creq_vblank and danger_vblank during vblank + * @danger_safe_en: enable danger safe generation + */ +struct dpu_hw_pipe_qos_cfg { + u32 danger_lut; + u32 safe_lut; + u64 creq_lut; + u32 creq_vblank; + u32 danger_vblank; + bool vblank_en; + bool danger_safe_en; +}; + +/** + * enum CDP preload ahead address size + */ +enum { + DPU_SSPP_CDP_PRELOAD_AHEAD_32, + DPU_SSPP_CDP_PRELOAD_AHEAD_64 +}; + +/** + * struct dpu_hw_pipe_cdp_cfg : CDP configuration + * @enable: true to enable CDP + * @ubwc_meta_enable: true to enable ubwc metadata preload + * @tile_amortize_enable: true to enable amortization control for tile format + * @preload_ahead: number of request to preload ahead + * DPU_SSPP_CDP_PRELOAD_AHEAD_32, + * DPU_SSPP_CDP_PRELOAD_AHEAD_64 + */ +struct dpu_hw_pipe_cdp_cfg { + bool enable; + bool ubwc_meta_enable; + bool tile_amortize_enable; + u32 preload_ahead; +}; + +/** + * struct dpu_hw_pipe_ts_cfg - traffic shaper configuration + * @size: size to prefill in bytes, or zero to disable + * @time: time to prefill in usec, or zero to disable + */ +struct dpu_hw_pipe_ts_cfg { + u64 size; + u64 time; +}; + +/** + * struct dpu_hw_sspp_ops - interface to the SSPP Hw driver functions + * Caller must call the init function to get the pipe context for each pipe + * Assumption is these functions will be called after clocks are enabled + */ +struct dpu_hw_sspp_ops { + /** + * setup_format - setup pixel format cropping rectangle, flip + * @ctx: Pointer to pipe context + * @cfg: Pointer to pipe config structure + * @flags: Extra flags for format config + * @index: rectangle index in multirect + */ + void (*setup_format)(struct dpu_hw_pipe *ctx, + const struct dpu_format *fmt, u32 flags, + enum dpu_sspp_multirect_index index); + + /** + * setup_rects - setup pipe ROI rectangles + * @ctx: Pointer to pipe context + * @cfg: Pointer to pipe config structure + * @index: rectangle index in multirect + */ + void (*setup_rects)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pipe_cfg *cfg, + enum dpu_sspp_multirect_index index); + + /** + * setup_pe - setup pipe pixel extension + * @ctx: Pointer to pipe context + * @pe_ext: Pointer to pixel ext settings + */ + void (*setup_pe)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pixel_ext *pe_ext); + + /** + * setup_sourceaddress - setup pipe source addresses + * @ctx: Pointer to pipe context + * @cfg: Pointer to pipe config structure + * @index: rectangle index in multirect + */ + void (*setup_sourceaddress)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pipe_cfg *cfg, + enum dpu_sspp_multirect_index index); + + /** + * setup_csc - setup color space coversion + * @ctx: Pointer to pipe context + * @data: Pointer to config structure + */ + void (*setup_csc)(struct dpu_hw_pipe *ctx, struct dpu_csc_cfg *data); + + /** + * setup_solidfill - enable/disable colorfill + * @ctx: Pointer to pipe context + * @const_color: Fill color value + * @flags: Pipe flags + * @index: rectangle index in multirect + */ + void (*setup_solidfill)(struct dpu_hw_pipe *ctx, u32 color, + enum dpu_sspp_multirect_index index); + + /** + * setup_multirect - setup multirect configuration + * @ctx: Pointer to pipe context + * @index: rectangle index in multirect + * @mode: parallel fetch / time multiplex multirect mode + */ + + void (*setup_multirect)(struct dpu_hw_pipe *ctx, + enum dpu_sspp_multirect_index index, + enum dpu_sspp_multirect_mode mode); + + /** + * setup_sharpening - setup sharpening + * @ctx: Pointer to pipe context + * @cfg: Pointer to config structure + */ + void (*setup_sharpening)(struct dpu_hw_pipe *ctx, + struct dpu_hw_sharp_cfg *cfg); + + /** + * setup_danger_safe_lut - setup danger safe LUTs + * @ctx: Pointer to pipe context + * @cfg: Pointer to pipe QoS configuration + * + */ + void (*setup_danger_safe_lut)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pipe_qos_cfg *cfg); + + /** + * setup_creq_lut - setup CREQ LUT + * @ctx: Pointer to pipe context + * @cfg: Pointer to pipe QoS configuration + * + */ + void (*setup_creq_lut)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pipe_qos_cfg *cfg); + + /** + * setup_qos_ctrl - setup QoS control + * @ctx: Pointer to pipe context + * @cfg: Pointer to pipe QoS configuration + * + */ + void (*setup_qos_ctrl)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pipe_qos_cfg *cfg); + + /** + * setup_histogram - setup histograms + * @ctx: Pointer to pipe context + * @cfg: Pointer to histogram configuration + */ + void (*setup_histogram)(struct dpu_hw_pipe *ctx, + void *cfg); + + /** + * setup_scaler - setup scaler + * @ctx: Pointer to pipe context + * @pipe_cfg: Pointer to pipe configuration + * @pe_cfg: Pointer to pixel extension configuration + * @scaler_cfg: Pointer to scaler configuration + */ + void (*setup_scaler)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pipe_cfg *pipe_cfg, + struct dpu_hw_pixel_ext *pe_cfg, + void *scaler_cfg); + + /** + * get_scaler_ver - get scaler h/w version + * @ctx: Pointer to pipe context + */ + u32 (*get_scaler_ver)(struct dpu_hw_pipe *ctx); + + /** + * setup_cdp - setup client driven prefetch + * @ctx: Pointer to pipe context + * @cfg: Pointer to cdp configuration + */ + void (*setup_cdp)(struct dpu_hw_pipe *ctx, + struct dpu_hw_pipe_cdp_cfg *cfg); +}; + +/** + * struct dpu_hw_pipe - pipe description + * @base: hardware block base structure + * @hw: block hardware details + * @catalog: back pointer to catalog + * @mdp: pointer to associated mdp portion of the catalog + * @idx: pipe index + * @cap: pointer to layer_cfg + * @ops: pointer to operations possible for this pipe + */ +struct dpu_hw_pipe { + struct dpu_hw_blk base; + struct dpu_hw_blk_reg_map hw; + struct dpu_mdss_cfg *catalog; + struct dpu_mdp_cfg *mdp; + + /* Pipe */ + enum dpu_sspp idx; + const struct dpu_sspp_cfg *cap; + + /* Ops */ + struct dpu_hw_sspp_ops ops; +}; + +/** + * dpu_hw_pipe - convert base object dpu_hw_base to container + * @hw: Pointer to base hardware block + * return: Pointer to hardware block container + */ +static inline struct dpu_hw_pipe *to_dpu_hw_pipe(struct dpu_hw_blk *hw) +{ + return container_of(hw, struct dpu_hw_pipe, base); +} + +/** + * dpu_hw_sspp_init - initializes the sspp hw driver object. + * Should be called once before accessing every pipe. + * @idx: Pipe index for which driver object is required + * @addr: Mapped register io address of MDP + * @catalog : Pointer to mdss catalog data + * @is_virtual_pipe: is this pipe virtual pipe + */ +struct dpu_hw_pipe *dpu_hw_sspp_init(enum dpu_sspp idx, + void __iomem *addr, struct dpu_mdss_cfg *catalog, + bool is_virtual_pipe); + +/** + * dpu_hw_sspp_destroy(): Destroys SSPP driver context + * should be called during Hw pipe cleanup. + * @ctx: Pointer to SSPP driver context returned by dpu_hw_sspp_init + */ +void dpu_hw_sspp_destroy(struct dpu_hw_pipe *ctx); + +#endif /*_DPU_HW_SSPP_H */ + |