xref: /linux/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h (revision 55d0969c451159cff86949b38c39171cab962069)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
3  */
4 
5 #ifndef _DPU_HW_SSPP_H
6 #define _DPU_HW_SSPP_H
7 
8 #include "dpu_hw_catalog.h"
9 #include "dpu_hw_mdss.h"
10 #include "dpu_hw_util.h"
11 #include "dpu_formats.h"
12 
13 struct dpu_hw_sspp;
14 
15 /**
16  * Flags
17  */
18 #define DPU_SSPP_FLIP_LR		BIT(0)
19 #define DPU_SSPP_FLIP_UD		BIT(1)
20 #define DPU_SSPP_SOURCE_ROTATED_90	BIT(2)
21 #define DPU_SSPP_ROT_90			BIT(3)
22 #define DPU_SSPP_SOLID_FILL		BIT(4)
23 
24 /**
25  * Component indices
26  */
27 enum {
28 	DPU_SSPP_COMP_0,
29 	DPU_SSPP_COMP_1_2,
30 	DPU_SSPP_COMP_2,
31 	DPU_SSPP_COMP_3,
32 
33 	DPU_SSPP_COMP_MAX
34 };
35 
36 /**
37  * DPU_SSPP_RECT_SOLO - multirect disabled
38  * DPU_SSPP_RECT_0 - rect0 of a multirect pipe
39  * DPU_SSPP_RECT_1 - rect1 of a multirect pipe
40  *
41  * Note: HW supports multirect with either RECT0 or
42  * RECT1. Considering no benefit of such configs over
43  * SOLO mode and to keep the plane management simple,
44  * we dont support single rect multirect configs.
45  */
46 enum dpu_sspp_multirect_index {
47 	DPU_SSPP_RECT_SOLO = 0,
48 	DPU_SSPP_RECT_0,
49 	DPU_SSPP_RECT_1,
50 };
51 
52 enum dpu_sspp_multirect_mode {
53 	DPU_SSPP_MULTIRECT_NONE = 0,
54 	DPU_SSPP_MULTIRECT_PARALLEL,
55 	DPU_SSPP_MULTIRECT_TIME_MX,
56 };
57 
58 enum {
59 	DPU_FRAME_LINEAR,
60 	DPU_FRAME_TILE_A4X,
61 	DPU_FRAME_TILE_A5X,
62 };
63 
64 enum dpu_hw_filter {
65 	DPU_SCALE_FILTER_NEAREST = 0,
66 	DPU_SCALE_FILTER_BIL,
67 	DPU_SCALE_FILTER_PCMN,
68 	DPU_SCALE_FILTER_CA,
69 	DPU_SCALE_FILTER_MAX
70 };
71 
72 enum dpu_hw_filter_alpa {
73 	DPU_SCALE_ALPHA_PIXEL_REP,
74 	DPU_SCALE_ALPHA_BIL
75 };
76 
77 enum dpu_hw_filter_yuv {
78 	DPU_SCALE_2D_4X4,
79 	DPU_SCALE_2D_CIR,
80 	DPU_SCALE_1D_SEP,
81 	DPU_SCALE_BIL
82 };
83 
84 struct dpu_hw_sharp_cfg {
85 	u32 strength;
86 	u32 edge_thr;
87 	u32 smooth_thr;
88 	u32 noise_thr;
89 };
90 
91 struct dpu_hw_pixel_ext {
92 	/* scaling factors are enabled for this input layer */
93 	uint8_t enable_pxl_ext;
94 
95 	int init_phase_x[DPU_MAX_PLANES];
96 	int phase_step_x[DPU_MAX_PLANES];
97 	int init_phase_y[DPU_MAX_PLANES];
98 	int phase_step_y[DPU_MAX_PLANES];
99 
100 	/*
101 	 * Number of pixels extension in left, right, top and bottom direction
102 	 * for all color components. This pixel value for each color component
103 	 * should be sum of fetch + repeat pixels.
104 	 */
105 	int num_ext_pxls_left[DPU_MAX_PLANES];
106 	int num_ext_pxls_right[DPU_MAX_PLANES];
107 	int num_ext_pxls_top[DPU_MAX_PLANES];
108 	int num_ext_pxls_btm[DPU_MAX_PLANES];
109 
110 	/*
111 	 * Number of pixels needs to be overfetched in left, right, top and
112 	 * bottom directions from source image for scaling.
113 	 */
114 	int left_ftch[DPU_MAX_PLANES];
115 	int right_ftch[DPU_MAX_PLANES];
116 	int top_ftch[DPU_MAX_PLANES];
117 	int btm_ftch[DPU_MAX_PLANES];
118 
119 	/*
120 	 * Number of pixels needs to be repeated in left, right, top and
121 	 * bottom directions for scaling.
122 	 */
123 	int left_rpt[DPU_MAX_PLANES];
124 	int right_rpt[DPU_MAX_PLANES];
125 	int top_rpt[DPU_MAX_PLANES];
126 	int btm_rpt[DPU_MAX_PLANES];
127 
128 	uint32_t roi_w[DPU_MAX_PLANES];
129 	uint32_t roi_h[DPU_MAX_PLANES];
130 
131 	/*
132 	 * Filter type to be used for scaling in horizontal and vertical
133 	 * directions
134 	 */
135 	enum dpu_hw_filter horz_filter[DPU_MAX_PLANES];
136 	enum dpu_hw_filter vert_filter[DPU_MAX_PLANES];
137 
138 };
139 
140 /**
141  * struct dpu_sw_pipe_cfg : software pipe configuration
142  * @src_rect:  src ROI, caller takes into account the different operations
143  *             such as decimation, flip etc to program this field
144  * @dest_rect: destination ROI.
145  */
146 struct dpu_sw_pipe_cfg {
147 	struct drm_rect src_rect;
148 	struct drm_rect dst_rect;
149 };
150 
151 /**
152  * struct dpu_hw_pipe_ts_cfg - traffic shaper configuration
153  * @size: size to prefill in bytes, or zero to disable
154  * @time: time to prefill in usec, or zero to disable
155  */
156 struct dpu_hw_pipe_ts_cfg {
157 	u64 size;
158 	u64 time;
159 };
160 
161 /**
162  * struct dpu_sw_pipe - software pipe description
163  * @sspp:      backing SSPP pipe
164  * @index:     index of the rectangle of SSPP
165  * @mode:      parallel or time multiplex multirect mode
166  */
167 struct dpu_sw_pipe {
168 	struct dpu_hw_sspp *sspp;
169 	enum dpu_sspp_multirect_index multirect_index;
170 	enum dpu_sspp_multirect_mode multirect_mode;
171 };
172 
173 /**
174  * struct dpu_hw_sspp_ops - interface to the SSPP Hw driver functions
175  * Caller must call the init function to get the pipe context for each pipe
176  * Assumption is these functions will be called after clocks are enabled
177  */
178 struct dpu_hw_sspp_ops {
179 	/**
180 	 * setup_format - setup pixel format cropping rectangle, flip
181 	 * @pipe: Pointer to software pipe context
182 	 * @cfg: Pointer to pipe config structure
183 	 * @flags: Extra flags for format config
184 	 */
185 	void (*setup_format)(struct dpu_sw_pipe *pipe,
186 			     const struct msm_format *fmt, u32 flags);
187 
188 	/**
189 	 * setup_rects - setup pipe ROI rectangles
190 	 * @pipe: Pointer to software pipe context
191 	 * @cfg: Pointer to pipe config structure
192 	 */
193 	void (*setup_rects)(struct dpu_sw_pipe *pipe,
194 			    struct dpu_sw_pipe_cfg *cfg);
195 
196 	/**
197 	 * setup_pe - setup pipe pixel extension
198 	 * @ctx: Pointer to pipe context
199 	 * @pe_ext: Pointer to pixel ext settings
200 	 */
201 	void (*setup_pe)(struct dpu_hw_sspp *ctx,
202 			struct dpu_hw_pixel_ext *pe_ext);
203 
204 	/**
205 	 * setup_sourceaddress - setup pipe source addresses
206 	 * @pipe: Pointer to software pipe context
207 	 * @layout: format layout information for programming buffer to hardware
208 	 */
209 	void (*setup_sourceaddress)(struct dpu_sw_pipe *ctx,
210 				    struct dpu_hw_fmt_layout *layout);
211 
212 	/**
213 	 * setup_csc - setup color space coversion
214 	 * @ctx: Pointer to pipe context
215 	 * @data: Pointer to config structure
216 	 */
217 	void (*setup_csc)(struct dpu_hw_sspp *ctx, const struct dpu_csc_cfg *data);
218 
219 	/**
220 	 * setup_solidfill - enable/disable colorfill
221 	 * @pipe: Pointer to software pipe context
222 	 * @const_color: Fill color value
223 	 * @flags: Pipe flags
224 	 */
225 	void (*setup_solidfill)(struct dpu_sw_pipe *pipe, u32 color);
226 
227 	/**
228 	 * setup_multirect - setup multirect configuration
229 	 * @pipe: Pointer to software pipe context
230 	 */
231 
232 	void (*setup_multirect)(struct dpu_sw_pipe *pipe);
233 
234 	/**
235 	 * setup_sharpening - setup sharpening
236 	 * @ctx: Pointer to pipe context
237 	 * @cfg: Pointer to config structure
238 	 */
239 	void (*setup_sharpening)(struct dpu_hw_sspp *ctx,
240 			struct dpu_hw_sharp_cfg *cfg);
241 
242 
243 	/**
244 	 * setup_qos_lut - setup QoS LUTs
245 	 * @ctx: Pointer to pipe context
246 	 * @cfg: LUT configuration
247 	 */
248 	void (*setup_qos_lut)(struct dpu_hw_sspp *ctx,
249 			struct dpu_hw_qos_cfg *cfg);
250 
251 	/**
252 	 * setup_qos_ctrl - setup QoS control
253 	 * @ctx: Pointer to pipe context
254 	 * @danger_safe_en: flags controlling enabling of danger/safe QoS/LUT
255 	 */
256 	void (*setup_qos_ctrl)(struct dpu_hw_sspp *ctx,
257 			       bool danger_safe_en);
258 
259 	/**
260 	 * setup_clk_force_ctrl - setup clock force control
261 	 * @ctx: Pointer to pipe context
262 	 * @enable: enable clock force if true
263 	 */
264 	bool (*setup_clk_force_ctrl)(struct dpu_hw_sspp *ctx,
265 				     bool enable);
266 
267 	/**
268 	 * setup_histogram - setup histograms
269 	 * @ctx: Pointer to pipe context
270 	 * @cfg: Pointer to histogram configuration
271 	 */
272 	void (*setup_histogram)(struct dpu_hw_sspp *ctx,
273 			void *cfg);
274 
275 	/**
276 	 * setup_scaler - setup scaler
277 	 * @scaler3_cfg: Pointer to scaler configuration
278 	 * @format: pixel format parameters
279 	 */
280 	void (*setup_scaler)(struct dpu_hw_sspp *ctx,
281 		struct dpu_hw_scaler3_cfg *scaler3_cfg,
282 		const struct msm_format *format);
283 
284 	/**
285 	 * setup_cdp - setup client driven prefetch
286 	 * @pipe: Pointer to software pipe context
287 	 * @fmt: format used by the sw pipe
288 	 * @enable: whether the CDP should be enabled for this pipe
289 	 */
290 	void (*setup_cdp)(struct dpu_sw_pipe *pipe,
291 			  const struct msm_format *fmt,
292 			  bool enable);
293 };
294 
295 /**
296  * struct dpu_hw_sspp - pipe description
297  * @base: hardware block base structure
298  * @hw: block hardware details
299  * @ubwc: UBWC configuration data
300  * @idx: pipe index
301  * @cap: pointer to layer_cfg
302  * @ops: pointer to operations possible for this pipe
303  */
304 struct dpu_hw_sspp {
305 	struct dpu_hw_blk base;
306 	struct dpu_hw_blk_reg_map hw;
307 	const struct msm_mdss_data *ubwc;
308 
309 	/* Pipe */
310 	enum dpu_sspp idx;
311 	const struct dpu_sspp_cfg *cap;
312 
313 	/* Ops */
314 	struct dpu_hw_sspp_ops ops;
315 };
316 
317 struct dpu_kms;
318 /**
319  * dpu_hw_sspp_init() - Initializes the sspp hw driver object.
320  * Should be called once before accessing every pipe.
321  * @dev:  Corresponding device for devres management
322  * @cfg:  Pipe catalog entry for which driver object is required
323  * @addr: Mapped register io address of MDP
324  * @mdss_data: UBWC / MDSS configuration data
325  * @mdss_rev: dpu core's major and minor versions
326  */
327 struct dpu_hw_sspp *dpu_hw_sspp_init(struct drm_device *dev,
328 				     const struct dpu_sspp_cfg *cfg,
329 				     void __iomem *addr,
330 				     const struct msm_mdss_data *mdss_data,
331 				     const struct dpu_mdss_version *mdss_rev);
332 
333 int _dpu_hw_sspp_init_debugfs(struct dpu_hw_sspp *hw_pipe, struct dpu_kms *kms,
334 			      struct dentry *entry);
335 
336 #endif /*_DPU_HW_SSPP_H */
337 
338