1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
4  * Author:Mark Yao <mark.yao@rock-chips.com>
5  */
6 
7 #ifndef _ROCKCHIP_DRM_VOP_H
8 #define _ROCKCHIP_DRM_VOP_H
9 
10 /*
11  * major: IP major version, used for IP structure
12  * minor: big feature change under same structure
13  */
14 #define VOP_VERSION(major, minor)	((major) << 8 | (minor))
15 #define VOP_MAJOR(version)		((version) >> 8)
16 #define VOP_MINOR(version)		((version) & 0xff)
17 
18 #define NUM_YUV2YUV_COEFFICIENTS 12
19 
20 enum vop_data_format {
21 	VOP_FMT_ARGB8888 = 0,
22 	VOP_FMT_RGB888,
23 	VOP_FMT_RGB565,
24 	VOP_FMT_YUV420SP = 4,
25 	VOP_FMT_YUV422SP,
26 	VOP_FMT_YUV444SP,
27 };
28 
29 struct vop_reg {
30 	uint32_t mask;
31 	uint16_t offset;
32 	uint8_t shift;
33 	bool write_mask;
34 	bool relaxed;
35 };
36 
37 struct vop_modeset {
38 	struct vop_reg htotal_pw;
39 	struct vop_reg hact_st_end;
40 	struct vop_reg hpost_st_end;
41 	struct vop_reg vtotal_pw;
42 	struct vop_reg vact_st_end;
43 	struct vop_reg vpost_st_end;
44 };
45 
46 struct vop_output {
47 	struct vop_reg pin_pol;
48 	struct vop_reg dp_pin_pol;
49 	struct vop_reg dp_dclk_pol;
50 	struct vop_reg edp_pin_pol;
51 	struct vop_reg edp_dclk_pol;
52 	struct vop_reg hdmi_pin_pol;
53 	struct vop_reg hdmi_dclk_pol;
54 	struct vop_reg mipi_pin_pol;
55 	struct vop_reg mipi_dclk_pol;
56 	struct vop_reg rgb_pin_pol;
57 	struct vop_reg rgb_dclk_pol;
58 	struct vop_reg dp_en;
59 	struct vop_reg edp_en;
60 	struct vop_reg hdmi_en;
61 	struct vop_reg mipi_en;
62 	struct vop_reg mipi_dual_channel_en;
63 	struct vop_reg rgb_en;
64 };
65 
66 struct vop_common {
67 	struct vop_reg cfg_done;
68 	struct vop_reg dsp_blank;
69 	struct vop_reg data_blank;
70 	struct vop_reg pre_dither_down;
71 	struct vop_reg dither_down_sel;
72 	struct vop_reg dither_down_mode;
73 	struct vop_reg dither_down_en;
74 	struct vop_reg dither_up;
75 	struct vop_reg dsp_lut_en;
76 	struct vop_reg gate_en;
77 	struct vop_reg mmu_en;
78 	struct vop_reg out_mode;
79 	struct vop_reg standby;
80 };
81 
82 struct vop_misc {
83 	struct vop_reg global_regdone_en;
84 };
85 
86 struct vop_intr {
87 	const int *intrs;
88 	uint32_t nintrs;
89 
90 	struct vop_reg line_flag_num[2];
91 	struct vop_reg enable;
92 	struct vop_reg clear;
93 	struct vop_reg status;
94 };
95 
96 struct vop_scl_extension {
97 	struct vop_reg cbcr_vsd_mode;
98 	struct vop_reg cbcr_vsu_mode;
99 	struct vop_reg cbcr_hsd_mode;
100 	struct vop_reg cbcr_ver_scl_mode;
101 	struct vop_reg cbcr_hor_scl_mode;
102 	struct vop_reg yrgb_vsd_mode;
103 	struct vop_reg yrgb_vsu_mode;
104 	struct vop_reg yrgb_hsd_mode;
105 	struct vop_reg yrgb_ver_scl_mode;
106 	struct vop_reg yrgb_hor_scl_mode;
107 	struct vop_reg line_load_mode;
108 	struct vop_reg cbcr_axi_gather_num;
109 	struct vop_reg yrgb_axi_gather_num;
110 	struct vop_reg vsd_cbcr_gt2;
111 	struct vop_reg vsd_cbcr_gt4;
112 	struct vop_reg vsd_yrgb_gt2;
113 	struct vop_reg vsd_yrgb_gt4;
114 	struct vop_reg bic_coe_sel;
115 	struct vop_reg cbcr_axi_gather_en;
116 	struct vop_reg yrgb_axi_gather_en;
117 	struct vop_reg lb_mode;
118 };
119 
120 struct vop_scl_regs {
121 	const struct vop_scl_extension *ext;
122 
123 	struct vop_reg scale_yrgb_x;
124 	struct vop_reg scale_yrgb_y;
125 	struct vop_reg scale_cbcr_x;
126 	struct vop_reg scale_cbcr_y;
127 };
128 
129 struct vop_yuv2yuv_phy {
130 	struct vop_reg y2r_coefficients[NUM_YUV2YUV_COEFFICIENTS];
131 };
132 
133 struct vop_win_phy {
134 	const struct vop_scl_regs *scl;
135 	const uint32_t *data_formats;
136 	uint32_t nformats;
137 
138 	struct vop_reg enable;
139 	struct vop_reg gate;
140 	struct vop_reg format;
141 	struct vop_reg rb_swap;
142 	struct vop_reg act_info;
143 	struct vop_reg dsp_info;
144 	struct vop_reg dsp_st;
145 	struct vop_reg yrgb_mst;
146 	struct vop_reg uv_mst;
147 	struct vop_reg yrgb_vir;
148 	struct vop_reg uv_vir;
149 	struct vop_reg y_mir_en;
150 	struct vop_reg x_mir_en;
151 
152 	struct vop_reg dst_alpha_ctl;
153 	struct vop_reg src_alpha_ctl;
154 	struct vop_reg channel;
155 };
156 
157 struct vop_win_yuv2yuv_data {
158 	uint32_t base;
159 	const struct vop_yuv2yuv_phy *phy;
160 	struct vop_reg y2r_en;
161 };
162 
163 struct vop_win_data {
164 	uint32_t base;
165 	const struct vop_win_phy *phy;
166 	enum drm_plane_type type;
167 };
168 
169 struct vop_data {
170 	uint32_t version;
171 	const struct vop_intr *intr;
172 	const struct vop_common *common;
173 	const struct vop_misc *misc;
174 	const struct vop_modeset *modeset;
175 	const struct vop_output *output;
176 	const struct vop_win_yuv2yuv_data *win_yuv2yuv;
177 	const struct vop_win_data *win;
178 	unsigned int win_size;
179 	unsigned int lut_size;
180 
181 #define VOP_FEATURE_OUTPUT_RGB10	BIT(0)
182 #define VOP_FEATURE_INTERNAL_RGB	BIT(1)
183 	u64 feature;
184 };
185 
186 /* interrupt define */
187 #define DSP_HOLD_VALID_INTR		(1 << 0)
188 #define FS_INTR				(1 << 1)
189 #define LINE_FLAG_INTR			(1 << 2)
190 #define BUS_ERROR_INTR			(1 << 3)
191 
192 #define INTR_MASK			(DSP_HOLD_VALID_INTR | FS_INTR | \
193 					 LINE_FLAG_INTR | BUS_ERROR_INTR)
194 
195 #define DSP_HOLD_VALID_INTR_EN(x)	((x) << 4)
196 #define FS_INTR_EN(x)			((x) << 5)
197 #define LINE_FLAG_INTR_EN(x)		((x) << 6)
198 #define BUS_ERROR_INTR_EN(x)		((x) << 7)
199 #define DSP_HOLD_VALID_INTR_MASK	(1 << 4)
200 #define FS_INTR_MASK			(1 << 5)
201 #define LINE_FLAG_INTR_MASK		(1 << 6)
202 #define BUS_ERROR_INTR_MASK		(1 << 7)
203 
204 #define INTR_CLR_SHIFT			8
205 #define DSP_HOLD_VALID_INTR_CLR		(1 << (INTR_CLR_SHIFT + 0))
206 #define FS_INTR_CLR			(1 << (INTR_CLR_SHIFT + 1))
207 #define LINE_FLAG_INTR_CLR		(1 << (INTR_CLR_SHIFT + 2))
208 #define BUS_ERROR_INTR_CLR		(1 << (INTR_CLR_SHIFT + 3))
209 
210 #define DSP_LINE_NUM(x)			(((x) & 0x1fff) << 12)
211 #define DSP_LINE_NUM_MASK		(0x1fff << 12)
212 
213 /* src alpha ctrl define */
214 #define SRC_FADING_VALUE(x)		(((x) & 0xff) << 24)
215 #define SRC_GLOBAL_ALPHA(x)		(((x) & 0xff) << 16)
216 #define SRC_FACTOR_M0(x)		(((x) & 0x7) << 6)
217 #define SRC_ALPHA_CAL_M0(x)		(((x) & 0x1) << 5)
218 #define SRC_BLEND_M0(x)			(((x) & 0x3) << 3)
219 #define SRC_ALPHA_M0(x)			(((x) & 0x1) << 2)
220 #define SRC_COLOR_M0(x)			(((x) & 0x1) << 1)
221 #define SRC_ALPHA_EN(x)			(((x) & 0x1) << 0)
222 /* dst alpha ctrl define */
223 #define DST_FACTOR_M0(x)		(((x) & 0x7) << 6)
224 
225 /*
226  * display output interface supported by rockchip lcdc
227  */
228 #define ROCKCHIP_OUT_MODE_P888	0
229 #define ROCKCHIP_OUT_MODE_P666	1
230 #define ROCKCHIP_OUT_MODE_P565	2
231 /* for use special outface */
232 #define ROCKCHIP_OUT_MODE_AAAA	15
233 
234 /* output flags */
235 #define ROCKCHIP_OUTPUT_DSI_DUAL	BIT(0)
236 
237 enum alpha_mode {
238 	ALPHA_STRAIGHT,
239 	ALPHA_INVERSE,
240 };
241 
242 enum global_blend_mode {
243 	ALPHA_GLOBAL,
244 	ALPHA_PER_PIX,
245 	ALPHA_PER_PIX_GLOBAL,
246 };
247 
248 enum alpha_cal_mode {
249 	ALPHA_SATURATION,
250 	ALPHA_NO_SATURATION,
251 };
252 
253 enum color_mode {
254 	ALPHA_SRC_PRE_MUL,
255 	ALPHA_SRC_NO_PRE_MUL,
256 };
257 
258 enum factor_mode {
259 	ALPHA_ZERO,
260 	ALPHA_ONE,
261 	ALPHA_SRC,
262 	ALPHA_SRC_INVERSE,
263 	ALPHA_SRC_GLOBAL,
264 };
265 
266 enum scale_mode {
267 	SCALE_NONE = 0x0,
268 	SCALE_UP   = 0x1,
269 	SCALE_DOWN = 0x2
270 };
271 
272 enum lb_mode {
273 	LB_YUV_3840X5 = 0x0,
274 	LB_YUV_2560X8 = 0x1,
275 	LB_RGB_3840X2 = 0x2,
276 	LB_RGB_2560X4 = 0x3,
277 	LB_RGB_1920X5 = 0x4,
278 	LB_RGB_1280X8 = 0x5
279 };
280 
281 enum sacle_up_mode {
282 	SCALE_UP_BIL = 0x0,
283 	SCALE_UP_BIC = 0x1
284 };
285 
286 enum scale_down_mode {
287 	SCALE_DOWN_BIL = 0x0,
288 	SCALE_DOWN_AVG = 0x1
289 };
290 
291 enum dither_down_mode {
292 	RGB888_TO_RGB565 = 0x0,
293 	RGB888_TO_RGB666 = 0x1
294 };
295 
296 enum dither_down_mode_sel {
297 	DITHER_DOWN_ALLEGRO = 0x0,
298 	DITHER_DOWN_FRC = 0x1
299 };
300 
301 enum vop_pol {
302 	HSYNC_POSITIVE = 0,
303 	VSYNC_POSITIVE = 1,
304 	DEN_NEGATIVE   = 2
305 };
306 
307 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
308 #define SCL_FT_DEFAULT_FIXPOINT_SHIFT	12
309 #define SCL_MAX_VSKIPLINES		4
310 #define MIN_SCL_FT_AFTER_VSKIP		1
311 
312 static inline uint16_t scl_cal_scale(int src, int dst, int shift)
313 {
314 	return ((src * 2 - 3) << (shift - 1)) / (dst - 1);
315 }
316 
317 static inline uint16_t scl_cal_scale2(int src, int dst)
318 {
319 	return ((src - 1) << 12) / (dst - 1);
320 }
321 
322 #define GET_SCL_FT_BILI_DN(src, dst)	scl_cal_scale(src, dst, 12)
323 #define GET_SCL_FT_BILI_UP(src, dst)	scl_cal_scale(src, dst, 16)
324 #define GET_SCL_FT_BIC(src, dst)	scl_cal_scale(src, dst, 16)
325 
326 static inline uint16_t scl_get_bili_dn_vskip(int src_h, int dst_h,
327 					     int vskiplines)
328 {
329 	int act_height;
330 
331 	act_height = DIV_ROUND_UP(src_h, vskiplines);
332 
333 	if (act_height == dst_h)
334 		return GET_SCL_FT_BILI_DN(src_h, dst_h) / vskiplines;
335 
336 	return GET_SCL_FT_BILI_DN(act_height, dst_h);
337 }
338 
339 static inline enum scale_mode scl_get_scl_mode(int src, int dst)
340 {
341 	if (src < dst)
342 		return SCALE_UP;
343 	else if (src > dst)
344 		return SCALE_DOWN;
345 
346 	return SCALE_NONE;
347 }
348 
349 static inline int scl_get_vskiplines(uint32_t srch, uint32_t dsth)
350 {
351 	uint32_t vskiplines;
352 
353 	for (vskiplines = SCL_MAX_VSKIPLINES; vskiplines > 1; vskiplines /= 2)
354 		if (srch >= vskiplines * dsth * MIN_SCL_FT_AFTER_VSKIP)
355 			break;
356 
357 	return vskiplines;
358 }
359 
360 static inline int scl_vop_cal_lb_mode(int width, bool is_yuv)
361 {
362 	int lb_mode;
363 
364 	if (is_yuv) {
365 		if (width > 1280)
366 			lb_mode = LB_YUV_3840X5;
367 		else
368 			lb_mode = LB_YUV_2560X8;
369 	} else {
370 		if (width > 2560)
371 			lb_mode = LB_RGB_3840X2;
372 		else if (width > 1920)
373 			lb_mode = LB_RGB_2560X4;
374 		else
375 			lb_mode = LB_RGB_1920X5;
376 	}
377 
378 	return lb_mode;
379 }
380 
381 extern const struct component_ops vop_component_ops;
382 #endif /* _ROCKCHIP_DRM_VOP_H */
383