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 #define ROCKCHIP_AFBC_MOD \
21 	DRM_FORMAT_MOD_ARM_AFBC( \
22 		AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | AFBC_FORMAT_MOD_SPARSE \
23 	)
24 
25 enum vop_data_format {
26 	VOP_FMT_ARGB8888 = 0,
27 	VOP_FMT_RGB888,
28 	VOP_FMT_RGB565,
29 	VOP_FMT_YUV420SP = 4,
30 	VOP_FMT_YUV422SP,
31 	VOP_FMT_YUV444SP,
32 };
33 
34 struct vop_reg {
35 	uint32_t mask;
36 	uint16_t offset;
37 	uint8_t shift;
38 	bool write_mask;
39 	bool relaxed;
40 };
41 
42 struct vop_afbc {
43 	struct vop_reg enable;
44 	struct vop_reg win_sel;
45 	struct vop_reg format;
46 	struct vop_reg hreg_block_split;
47 	struct vop_reg pic_size;
48 	struct vop_reg hdr_ptr;
49 	struct vop_reg rstn;
50 };
51 
52 struct vop_modeset {
53 	struct vop_reg htotal_pw;
54 	struct vop_reg hact_st_end;
55 	struct vop_reg hpost_st_end;
56 	struct vop_reg vtotal_pw;
57 	struct vop_reg vact_st_end;
58 	struct vop_reg vpost_st_end;
59 };
60 
61 struct vop_output {
62 	struct vop_reg pin_pol;
63 	struct vop_reg dp_pin_pol;
64 	struct vop_reg dp_dclk_pol;
65 	struct vop_reg edp_pin_pol;
66 	struct vop_reg edp_dclk_pol;
67 	struct vop_reg hdmi_pin_pol;
68 	struct vop_reg hdmi_dclk_pol;
69 	struct vop_reg mipi_pin_pol;
70 	struct vop_reg mipi_dclk_pol;
71 	struct vop_reg rgb_pin_pol;
72 	struct vop_reg rgb_dclk_pol;
73 	struct vop_reg dp_en;
74 	struct vop_reg edp_en;
75 	struct vop_reg hdmi_en;
76 	struct vop_reg mipi_en;
77 	struct vop_reg mipi_dual_channel_en;
78 	struct vop_reg rgb_en;
79 };
80 
81 struct vop_common {
82 	struct vop_reg cfg_done;
83 	struct vop_reg dsp_blank;
84 	struct vop_reg data_blank;
85 	struct vop_reg pre_dither_down;
86 	struct vop_reg dither_down_sel;
87 	struct vop_reg dither_down_mode;
88 	struct vop_reg dither_down_en;
89 	struct vop_reg dither_up;
90 	struct vop_reg dsp_lut_en;
91 	struct vop_reg gate_en;
92 	struct vop_reg mmu_en;
93 	struct vop_reg out_mode;
94 	struct vop_reg standby;
95 };
96 
97 struct vop_misc {
98 	struct vop_reg global_regdone_en;
99 };
100 
101 struct vop_intr {
102 	const int *intrs;
103 	uint32_t nintrs;
104 
105 	struct vop_reg line_flag_num[2];
106 	struct vop_reg enable;
107 	struct vop_reg clear;
108 	struct vop_reg status;
109 };
110 
111 struct vop_scl_extension {
112 	struct vop_reg cbcr_vsd_mode;
113 	struct vop_reg cbcr_vsu_mode;
114 	struct vop_reg cbcr_hsd_mode;
115 	struct vop_reg cbcr_ver_scl_mode;
116 	struct vop_reg cbcr_hor_scl_mode;
117 	struct vop_reg yrgb_vsd_mode;
118 	struct vop_reg yrgb_vsu_mode;
119 	struct vop_reg yrgb_hsd_mode;
120 	struct vop_reg yrgb_ver_scl_mode;
121 	struct vop_reg yrgb_hor_scl_mode;
122 	struct vop_reg line_load_mode;
123 	struct vop_reg cbcr_axi_gather_num;
124 	struct vop_reg yrgb_axi_gather_num;
125 	struct vop_reg vsd_cbcr_gt2;
126 	struct vop_reg vsd_cbcr_gt4;
127 	struct vop_reg vsd_yrgb_gt2;
128 	struct vop_reg vsd_yrgb_gt4;
129 	struct vop_reg bic_coe_sel;
130 	struct vop_reg cbcr_axi_gather_en;
131 	struct vop_reg yrgb_axi_gather_en;
132 	struct vop_reg lb_mode;
133 };
134 
135 struct vop_scl_regs {
136 	const struct vop_scl_extension *ext;
137 
138 	struct vop_reg scale_yrgb_x;
139 	struct vop_reg scale_yrgb_y;
140 	struct vop_reg scale_cbcr_x;
141 	struct vop_reg scale_cbcr_y;
142 };
143 
144 struct vop_yuv2yuv_phy {
145 	struct vop_reg y2r_coefficients[NUM_YUV2YUV_COEFFICIENTS];
146 };
147 
148 struct vop_win_phy {
149 	const struct vop_scl_regs *scl;
150 	const uint32_t *data_formats;
151 	uint32_t nformats;
152 	const uint64_t *format_modifiers;
153 
154 	struct vop_reg enable;
155 	struct vop_reg gate;
156 	struct vop_reg format;
157 	struct vop_reg rb_swap;
158 	struct vop_reg act_info;
159 	struct vop_reg dsp_info;
160 	struct vop_reg dsp_st;
161 	struct vop_reg yrgb_mst;
162 	struct vop_reg uv_mst;
163 	struct vop_reg yrgb_vir;
164 	struct vop_reg uv_vir;
165 	struct vop_reg y_mir_en;
166 	struct vop_reg x_mir_en;
167 
168 	struct vop_reg dst_alpha_ctl;
169 	struct vop_reg src_alpha_ctl;
170 	struct vop_reg alpha_pre_mul;
171 	struct vop_reg alpha_mode;
172 	struct vop_reg alpha_en;
173 	struct vop_reg channel;
174 };
175 
176 struct vop_win_yuv2yuv_data {
177 	uint32_t base;
178 	const struct vop_yuv2yuv_phy *phy;
179 	struct vop_reg y2r_en;
180 };
181 
182 struct vop_win_data {
183 	uint32_t base;
184 	const struct vop_win_phy *phy;
185 	enum drm_plane_type type;
186 };
187 
188 struct vop_data {
189 	uint32_t version;
190 	const struct vop_intr *intr;
191 	const struct vop_common *common;
192 	const struct vop_misc *misc;
193 	const struct vop_modeset *modeset;
194 	const struct vop_output *output;
195 	const struct vop_afbc *afbc;
196 	const struct vop_win_yuv2yuv_data *win_yuv2yuv;
197 	const struct vop_win_data *win;
198 	unsigned int win_size;
199 	unsigned int lut_size;
200 
201 #define VOP_FEATURE_OUTPUT_RGB10	BIT(0)
202 #define VOP_FEATURE_INTERNAL_RGB	BIT(1)
203 	u64 feature;
204 };
205 
206 /* interrupt define */
207 #define DSP_HOLD_VALID_INTR		(1 << 0)
208 #define FS_INTR				(1 << 1)
209 #define LINE_FLAG_INTR			(1 << 2)
210 #define BUS_ERROR_INTR			(1 << 3)
211 
212 #define INTR_MASK			(DSP_HOLD_VALID_INTR | FS_INTR | \
213 					 LINE_FLAG_INTR | BUS_ERROR_INTR)
214 
215 #define DSP_HOLD_VALID_INTR_EN(x)	((x) << 4)
216 #define FS_INTR_EN(x)			((x) << 5)
217 #define LINE_FLAG_INTR_EN(x)		((x) << 6)
218 #define BUS_ERROR_INTR_EN(x)		((x) << 7)
219 #define DSP_HOLD_VALID_INTR_MASK	(1 << 4)
220 #define FS_INTR_MASK			(1 << 5)
221 #define LINE_FLAG_INTR_MASK		(1 << 6)
222 #define BUS_ERROR_INTR_MASK		(1 << 7)
223 
224 #define INTR_CLR_SHIFT			8
225 #define DSP_HOLD_VALID_INTR_CLR		(1 << (INTR_CLR_SHIFT + 0))
226 #define FS_INTR_CLR			(1 << (INTR_CLR_SHIFT + 1))
227 #define LINE_FLAG_INTR_CLR		(1 << (INTR_CLR_SHIFT + 2))
228 #define BUS_ERROR_INTR_CLR		(1 << (INTR_CLR_SHIFT + 3))
229 
230 #define DSP_LINE_NUM(x)			(((x) & 0x1fff) << 12)
231 #define DSP_LINE_NUM_MASK		(0x1fff << 12)
232 
233 /* src alpha ctrl define */
234 #define SRC_FADING_VALUE(x)		(((x) & 0xff) << 24)
235 #define SRC_GLOBAL_ALPHA(x)		(((x) & 0xff) << 16)
236 #define SRC_FACTOR_M0(x)		(((x) & 0x7) << 6)
237 #define SRC_ALPHA_CAL_M0(x)		(((x) & 0x1) << 5)
238 #define SRC_BLEND_M0(x)			(((x) & 0x3) << 3)
239 #define SRC_ALPHA_M0(x)			(((x) & 0x1) << 2)
240 #define SRC_COLOR_M0(x)			(((x) & 0x1) << 1)
241 #define SRC_ALPHA_EN(x)			(((x) & 0x1) << 0)
242 /* dst alpha ctrl define */
243 #define DST_FACTOR_M0(x)		(((x) & 0x7) << 6)
244 
245 /*
246  * display output interface supported by rockchip lcdc
247  */
248 #define ROCKCHIP_OUT_MODE_P888	0
249 #define ROCKCHIP_OUT_MODE_P666	1
250 #define ROCKCHIP_OUT_MODE_P565	2
251 /* for use special outface */
252 #define ROCKCHIP_OUT_MODE_AAAA	15
253 
254 /* output flags */
255 #define ROCKCHIP_OUTPUT_DSI_DUAL	BIT(0)
256 
257 enum alpha_mode {
258 	ALPHA_STRAIGHT,
259 	ALPHA_INVERSE,
260 };
261 
262 enum global_blend_mode {
263 	ALPHA_GLOBAL,
264 	ALPHA_PER_PIX,
265 	ALPHA_PER_PIX_GLOBAL,
266 };
267 
268 enum alpha_cal_mode {
269 	ALPHA_SATURATION,
270 	ALPHA_NO_SATURATION,
271 };
272 
273 enum color_mode {
274 	ALPHA_SRC_PRE_MUL,
275 	ALPHA_SRC_NO_PRE_MUL,
276 };
277 
278 enum factor_mode {
279 	ALPHA_ZERO,
280 	ALPHA_ONE,
281 	ALPHA_SRC,
282 	ALPHA_SRC_INVERSE,
283 	ALPHA_SRC_GLOBAL,
284 };
285 
286 enum scale_mode {
287 	SCALE_NONE = 0x0,
288 	SCALE_UP   = 0x1,
289 	SCALE_DOWN = 0x2
290 };
291 
292 enum lb_mode {
293 	LB_YUV_3840X5 = 0x0,
294 	LB_YUV_2560X8 = 0x1,
295 	LB_RGB_3840X2 = 0x2,
296 	LB_RGB_2560X4 = 0x3,
297 	LB_RGB_1920X5 = 0x4,
298 	LB_RGB_1280X8 = 0x5
299 };
300 
301 enum sacle_up_mode {
302 	SCALE_UP_BIL = 0x0,
303 	SCALE_UP_BIC = 0x1
304 };
305 
306 enum scale_down_mode {
307 	SCALE_DOWN_BIL = 0x0,
308 	SCALE_DOWN_AVG = 0x1
309 };
310 
311 enum dither_down_mode {
312 	RGB888_TO_RGB565 = 0x0,
313 	RGB888_TO_RGB666 = 0x1
314 };
315 
316 enum dither_down_mode_sel {
317 	DITHER_DOWN_ALLEGRO = 0x0,
318 	DITHER_DOWN_FRC = 0x1
319 };
320 
321 enum vop_pol {
322 	HSYNC_POSITIVE = 0,
323 	VSYNC_POSITIVE = 1,
324 	DEN_NEGATIVE   = 2
325 };
326 
327 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
328 #define SCL_FT_DEFAULT_FIXPOINT_SHIFT	12
329 #define SCL_MAX_VSKIPLINES		4
330 #define MIN_SCL_FT_AFTER_VSKIP		1
331 
332 static inline uint16_t scl_cal_scale(int src, int dst, int shift)
333 {
334 	return ((src * 2 - 3) << (shift - 1)) / (dst - 1);
335 }
336 
337 static inline uint16_t scl_cal_scale2(int src, int dst)
338 {
339 	return ((src - 1) << 12) / (dst - 1);
340 }
341 
342 #define GET_SCL_FT_BILI_DN(src, dst)	scl_cal_scale(src, dst, 12)
343 #define GET_SCL_FT_BILI_UP(src, dst)	scl_cal_scale(src, dst, 16)
344 #define GET_SCL_FT_BIC(src, dst)	scl_cal_scale(src, dst, 16)
345 
346 static inline uint16_t scl_get_bili_dn_vskip(int src_h, int dst_h,
347 					     int vskiplines)
348 {
349 	int act_height;
350 
351 	act_height = DIV_ROUND_UP(src_h, vskiplines);
352 
353 	if (act_height == dst_h)
354 		return GET_SCL_FT_BILI_DN(src_h, dst_h) / vskiplines;
355 
356 	return GET_SCL_FT_BILI_DN(act_height, dst_h);
357 }
358 
359 static inline enum scale_mode scl_get_scl_mode(int src, int dst)
360 {
361 	if (src < dst)
362 		return SCALE_UP;
363 	else if (src > dst)
364 		return SCALE_DOWN;
365 
366 	return SCALE_NONE;
367 }
368 
369 static inline int scl_get_vskiplines(uint32_t srch, uint32_t dsth)
370 {
371 	uint32_t vskiplines;
372 
373 	for (vskiplines = SCL_MAX_VSKIPLINES; vskiplines > 1; vskiplines /= 2)
374 		if (srch >= vskiplines * dsth * MIN_SCL_FT_AFTER_VSKIP)
375 			break;
376 
377 	return vskiplines;
378 }
379 
380 static inline int scl_vop_cal_lb_mode(int width, bool is_yuv)
381 {
382 	int lb_mode;
383 
384 	if (is_yuv) {
385 		if (width > 1280)
386 			lb_mode = LB_YUV_3840X5;
387 		else
388 			lb_mode = LB_YUV_2560X8;
389 	} else {
390 		if (width > 2560)
391 			lb_mode = LB_RGB_3840X2;
392 		else if (width > 1920)
393 			lb_mode = LB_RGB_2560X4;
394 		else
395 			lb_mode = LB_RGB_1920X5;
396 	}
397 
398 	return lb_mode;
399 }
400 
401 extern const struct component_ops vop_component_ops;
402 #endif /* _ROCKCHIP_DRM_VOP_H */
403