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1 /*
2  * Copyright (C) 2013 Samsung Electronics Co.Ltd
3  * Authors:
4  *	Inki Dae <inki.dae@samsung.com>
5  *
6  * This program is free software; you can redistribute  it and/or modify it
7  * under  the terms of  the GNU General  Public License as published by the
8  * Free Software Foundation;  either version 2 of the  License, or (at your
9  * option) any later version.
10  *
11  */
12 
13 #ifndef _FIMG2D_H_
14 #define _FIMG2D_H_
15 
16 #define G2D_PLANE_MAX_NR	2
17 
18 enum e_g2d_color_mode {
19 	/* COLOR FORMAT */
20 	G2D_COLOR_FMT_XRGB8888,
21 	G2D_COLOR_FMT_ARGB8888,
22 	G2D_COLOR_FMT_RGB565,
23 	G2D_COLOR_FMT_XRGB1555,
24 	G2D_COLOR_FMT_ARGB1555,
25 	G2D_COLOR_FMT_XRGB4444,
26 	G2D_COLOR_FMT_ARGB4444,
27 	G2D_COLOR_FMT_PRGB888,
28 	G2D_COLOR_FMT_YCbCr444,
29 	G2D_COLOR_FMT_YCbCr422,
30 	G2D_COLOR_FMT_YCbCr420,
31 	/* alpha 8bit */
32 	G2D_COLOR_FMT_A8,
33 	/* Luminance 8bit: gray color */
34 	G2D_COLOR_FMT_L8,
35 	/* alpha 1bit */
36 	G2D_COLOR_FMT_A1,
37 	/* alpha 4bit */
38 	G2D_COLOR_FMT_A4,
39 	G2D_COLOR_FMT_MASK,				/* VER4.1 */
40 
41 	/* COLOR ORDER */
42 	G2D_ORDER_AXRGB		= (0 << 4),		/* VER4.1 */
43 	G2D_ORDER_RGBAX		= (1 << 4),		/* VER4.1 */
44 	G2D_ORDER_AXBGR		= (2 << 4),		/* VER4.1 */
45 	G2D_ORDER_BGRAX		= (3 << 4),		/* VER4.1 */
46 	G2D_ORDER_MASK		= (3 << 4),		/* VER4.1 */
47 
48 	/* Number of YCbCr plane */
49 	G2D_YCbCr_1PLANE	= (0 << 8),		/* VER4.1 */
50 	G2D_YCbCr_2PLANE	= (1 << 8),		/* VER4.1 */
51 	G2D_YCbCr_PLANE_MASK	= (3 << 8),		/* VER4.1 */
52 
53 	/* Order in YCbCr */
54 	G2D_YCbCr_ORDER_CrY1CbY0 = (0 << 12),			/* VER4.1 */
55 	G2D_YCbCr_ORDER_CbY1CrY0 = (1 << 12),			/* VER4.1 */
56 	G2D_YCbCr_ORDER_Y1CrY0Cb = (2 << 12),			/* VER4.1 */
57 	G2D_YCbCr_ORDER_Y1CbY0Cr = (3 << 12),			/* VER4.1 */
58 	G2D_YCbCr_ORDER_CrCb = G2D_YCbCr_ORDER_CrY1CbY0,	/* VER4.1 */
59 	G2D_YCbCr_ORDER_CbCr = G2D_YCbCr_ORDER_CbY1CrY0,	/* VER4.1 */
60 	G2D_YCbCr_ORDER_MASK = (3 < 12),			/* VER4.1 */
61 
62 	/* CSC */
63 	G2D_CSC_601 = (0 << 16),		/* VER4.1 */
64 	G2D_CSC_709 = (1 << 16),		/* VER4.1 */
65 	G2D_CSC_MASK = (1 << 16),		/* VER4.1 */
66 
67 	/* Valid value range of YCbCr */
68 	G2D_YCbCr_RANGE_NARROW = (0 << 17),	/* VER4.1 */
69 	G2D_YCbCr_RANGE_WIDE = (1 << 17),	/* VER4.1 */
70 	G2D_YCbCr_RANGE_MASK = (1 << 17),	/* VER4.1 */
71 
72 	G2D_COLOR_MODE_MASK = 0xFFFFFFFF,
73 };
74 
75 enum e_g2d_select_mode {
76 	G2D_SELECT_MODE_NORMAL	= (0 << 0),
77 	G2D_SELECT_MODE_FGCOLOR = (1 << 0),
78 	G2D_SELECT_MODE_BGCOLOR = (2 << 0),
79 };
80 
81 enum e_g2d_repeat_mode {
82 	G2D_REPEAT_MODE_REPEAT,
83 	G2D_REPEAT_MODE_PAD,
84 	G2D_REPEAT_MODE_REFLECT,
85 	G2D_REPEAT_MODE_CLAMP,
86 	G2D_REPEAT_MODE_NONE,
87 };
88 
89 enum e_g2d_scale_mode {
90 	G2D_SCALE_MODE_NONE = 0,
91 	G2D_SCALE_MODE_NEAREST,
92 	G2D_SCALE_MODE_BILINEAR,
93 	G2D_SCALE_MODE_MAX,
94 };
95 
96 enum e_g2d_buf_type {
97 	G2D_IMGBUF_COLOR,
98 	G2D_IMGBUF_GEM,
99 	G2D_IMGBUF_USERPTR,
100 };
101 
102 enum e_g2d_rop3_type {
103 	G2D_ROP3_DST = 0xAA,
104 	G2D_ROP3_SRC = 0xCC,
105 	G2D_ROP3_3RD = 0xF0,
106 	G2D_ROP3_MASK = 0xFF,
107 };
108 
109 enum e_g2d_select_alpha_src {
110 	G2D_SELECT_SRC_FOR_ALPHA_BLEND,	/* VER4.1 */
111 	G2D_SELECT_ROP_FOR_ALPHA_BLEND,	/* VER4.1 */
112 };
113 
114 enum e_g2d_transparent_mode {
115 	G2D_TRANSPARENT_MODE_OPAQUE,
116 	G2D_TRANSPARENT_MODE_TRANSPARENT,
117 	G2D_TRANSPARENT_MODE_BLUESCREEN,
118 	G2D_TRANSPARENT_MODE_MAX,
119 };
120 
121 enum e_g2d_color_key_mode {
122 	G2D_COLORKEY_MODE_DISABLE	= 0,
123 	G2D_COLORKEY_MODE_SRC_RGBA	= (1<<0),
124 	G2D_COLORKEY_MODE_DST_RGBA	= (1<<1),
125 	G2D_COLORKEY_MODE_SRC_YCbCr	= (1<<2),		/* VER4.1 */
126 	G2D_COLORKEY_MODE_DST_YCbCr	= (1<<3),		/* VER4.1 */
127 	G2D_COLORKEY_MODE_MASK		= 15,
128 };
129 
130 enum e_g2d_alpha_blend_mode {
131 	G2D_ALPHA_BLEND_MODE_DISABLE,
132 	G2D_ALPHA_BLEND_MODE_ENABLE,
133 	G2D_ALPHA_BLEND_MODE_FADING,				/* VER3.0 */
134 	G2D_ALPHA_BLEND_MODE_MAX,
135 };
136 
137 enum e_g2d_op {
138 	G2D_OP_CLEAR			= 0x00,
139 	G2D_OP_SRC			= 0x01,
140 	G2D_OP_DST			= 0x02,
141 	G2D_OP_OVER			= 0x03,
142 	G2D_OP_INTERPOLATE		= 0x04,
143 	G2D_OP_DISJOINT_CLEAR		= 0x10,
144 	G2D_OP_DISJOINT_SRC		= 0x11,
145 	G2D_OP_DISJOINT_DST		= 0x12,
146 	G2D_OP_CONJOINT_CLEAR		= 0x20,
147 	G2D_OP_CONJOINT_SRC		= 0x21,
148 	G2D_OP_CONJOINT_DST		= 0x22,
149 };
150 
151 /*
152  * The G2D_COEFF_MODE_DST_{COLOR,ALPHA} modes both use the ALPHA_REG(0x618)
153  * register. The registers fields are as follows:
154  * bits 31:8 = color value (RGB order)
155  * bits 7:0 = alpha value
156  */
157 enum e_g2d_coeff_mode {
158 	G2D_COEFF_MODE_ONE,
159 	G2D_COEFF_MODE_ZERO,
160 	G2D_COEFF_MODE_SRC_ALPHA,
161 	G2D_COEFF_MODE_SRC_COLOR,
162 	G2D_COEFF_MODE_DST_ALPHA,
163 	G2D_COEFF_MODE_DST_COLOR,
164 	/* Global Alpha : Set by ALPHA_REG(0x618) */
165 	G2D_COEFF_MODE_GB_ALPHA,
166 	/* Global Color and Alpha : Set by ALPHA_REG(0x618) */
167 	G2D_COEFF_MODE_GB_COLOR,
168 	/* (1-SRC alpha)/DST Alpha */
169 	G2D_COEFF_MODE_DISJOINT_S,
170 	/* (1-DST alpha)/SRC Alpha */
171 	G2D_COEFF_MODE_DISJOINT_D,
172 	/* SRC alpha/DST alpha */
173 	G2D_COEFF_MODE_CONJOINT_S,
174 	/* DST alpha/SRC alpha */
175 	G2D_COEFF_MODE_CONJOINT_D,
176 	/* DST alpha/SRC alpha */
177 	G2D_COEFF_MODE_MASK
178 };
179 
180 enum e_g2d_acoeff_mode {
181 	G2D_ACOEFF_MODE_A,          /* alpha */
182 	G2D_ACOEFF_MODE_APGA,	/* alpha + global alpha */
183 	G2D_ACOEFF_MODE_AMGA,	/* alpha * global alpha */
184 	G2D_ACOEFF_MODE_MASK
185 };
186 
187 union g2d_point_val {
188 	unsigned int val;
189 	struct {
190 		/*
191 		 * Coordinate of Source Image
192 		 * Range: 0 ~ 8000 (Requirement: SrcLeftX < SrcRightX)
193 		 * In YCbCr 422 and YCbCr 420 format with even number.
194 		 */
195 		unsigned int x:16;
196 		/*
197 		 * Y Coordinate of Source Image
198 		 * Range: 0 ~ 8000 (Requirement: SrcTopY < SrcBottomY)
199 		 * In YCbCr 420 format with even number.
200 		 */
201 		unsigned int y:16;
202 	} data;
203 };
204 
205 union g2d_rop4_val {
206 	unsigned int val;
207 	struct {
208 		enum e_g2d_rop3_type	unmasked_rop3:8;
209 		enum e_g2d_rop3_type	masked_rop3:8;
210 		unsigned int		reserved:16;
211 	} data;
212 };
213 
214 union g2d_bitblt_cmd_val {
215 	unsigned int val;
216 	struct {
217 		/* [0:3] */
218 		unsigned int			mask_rop4_en:1;
219 		unsigned int			masking_en:1;
220 		enum e_g2d_select_alpha_src	rop4_alpha_en:1;
221 		unsigned int			dither_en:1;
222 		/* [4:7] */
223 		unsigned int			resolved1:4;
224 		/* [8:11] */
225 		unsigned int			cw_en:4;
226 		/* [12:15] */
227 		enum e_g2d_transparent_mode	transparent_mode:4;
228 		/* [16:19] */
229 		enum e_g2d_color_key_mode	color_key_mode:4;
230 		/* [20:23] */
231 		enum e_g2d_alpha_blend_mode	alpha_blend_mode:4;
232 		/* [24:27] */
233 		unsigned int src_pre_multiply:1;
234 		unsigned int pat_pre_multiply:1;
235 		unsigned int dst_pre_multiply:1;
236 		unsigned int dst_depre_multiply:1;
237 		/* [28:31] */
238 		unsigned int fast_solid_color_fill_en:1;
239 		unsigned int reserved:3;
240 	} data;
241 };
242 
243 union g2d_blend_func_val {
244 	unsigned int val;
245 	struct {
246 		/* [0:15] */
247 		enum e_g2d_coeff_mode src_coeff:4;
248 		enum e_g2d_acoeff_mode src_coeff_src_a:2;
249 		enum e_g2d_acoeff_mode src_coeff_dst_a:2;
250 		enum e_g2d_coeff_mode dst_coeff:4;
251 		enum e_g2d_acoeff_mode dst_coeff_src_a:2;
252 		enum e_g2d_acoeff_mode dst_coeff_dst_a:2;
253 		/* [16:19] */
254 		unsigned int inv_src_color_coeff:1;
255 		unsigned int resoled1:1;
256 		unsigned int inv_dst_color_coeff:1;
257 		unsigned int resoled2:1;
258 		/* [20:23] */
259 		unsigned int lighten_en:1;
260 		unsigned int darken_en:1;
261 		unsigned int win_ce_src_over_en:2;
262 		/* [24:31] */
263 		unsigned int reserved:8;
264 	} data;
265 };
266 
267 struct g2d_image {
268 	enum e_g2d_select_mode		select_mode;
269 	enum e_g2d_color_mode		color_mode;
270 	enum e_g2d_repeat_mode		repeat_mode;
271 	enum e_g2d_scale_mode		scale_mode;
272 	unsigned int			xscale;
273 	unsigned int			yscale;
274 	unsigned char			rotate_90;
275 	unsigned char			x_dir;
276 	unsigned char			y_dir;
277 	unsigned char			component_alpha;
278 	unsigned int			width;
279 	unsigned int			height;
280 	unsigned int			stride;
281 	unsigned int			need_free;
282 	unsigned int			color;
283 	enum e_g2d_buf_type		buf_type;
284 	unsigned int			bo[G2D_PLANE_MAX_NR];
285 	struct drm_exynos_g2d_userptr	user_ptr[G2D_PLANE_MAX_NR];
286 	void				*mapped_ptr[G2D_PLANE_MAX_NR];
287 };
288 
289 struct g2d_context;
290 
291 struct g2d_context *g2d_init(int fd);
292 void g2d_fini(struct g2d_context *ctx);
293 void g2d_config_event(struct g2d_context *ctx, void *userdata);
294 int g2d_exec(struct g2d_context *ctx);
295 int g2d_solid_fill(struct g2d_context *ctx, struct g2d_image *img,
296 			unsigned int x, unsigned int y, unsigned int w,
297 			unsigned int h);
298 int g2d_copy(struct g2d_context *ctx, struct g2d_image *src,
299 		struct g2d_image *dst, unsigned int src_x,
300 		unsigned int src_y, unsigned int dst_x, unsigned int dst_y,
301 		unsigned int w, unsigned int h);
302 int g2d_move(struct g2d_context *ctx, struct g2d_image *img,
303 		unsigned int src_x, unsigned int src_y, unsigned int dst_x,
304 		unsigned dst_y, unsigned int w, unsigned int h);
305 int g2d_copy_with_scale(struct g2d_context *ctx, struct g2d_image *src,
306 				struct g2d_image *dst, unsigned int src_x,
307 				unsigned int src_y, unsigned int src_w,
308 				unsigned int src_h, unsigned int dst_x,
309 				unsigned int dst_y, unsigned int dst_w,
310 				unsigned int dst_h, unsigned int negative);
311 int g2d_blend(struct g2d_context *ctx, struct g2d_image *src,
312 		struct g2d_image *dst, unsigned int src_x,
313 		unsigned int src_y, unsigned int dst_x, unsigned int dst_y,
314 		unsigned int w, unsigned int h, enum e_g2d_op op);
315 int g2d_scale_and_blend(struct g2d_context *ctx, struct g2d_image *src,
316 		struct g2d_image *dst, unsigned int src_x, unsigned int src_y,
317 		unsigned int src_w, unsigned int src_h, unsigned int dst_x,
318 		unsigned int dst_y, unsigned int dst_w, unsigned int dst_h,
319 		enum e_g2d_op op);
320 #endif /* _FIMG2D_H_ */
321