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 #ifndef TRUE
17 #define TRUE 0
18 #endif
19 #ifndef FALSE
20 #define FALSE -1
21 #endif
22 
23 #define G2D_MAX_CMD_NR		64
24 #define G2D_MAX_GEM_CMD_NR	64
25 #define G2D_MAX_CMD_LIST_NR	64
26 #define G2D_PLANE_MAX_NR	2
27 
28 #define G2D_DOUBLE_TO_FIXED(d)		((unsigned int)((d) * 65536.0))
29 
30 enum e_g2d_color_mode {
31 	/* COLOR FORMAT */
32 	G2D_COLOR_FMT_XRGB8888,
33 	G2D_COLOR_FMT_ARGB8888,
34 	G2D_COLOR_FMT_RGB565,
35 	G2D_COLOR_FMT_XRGB1555,
36 	G2D_COLOR_FMT_ARGB1555,
37 	G2D_COLOR_FMT_XRGB4444,
38 	G2D_COLOR_FMT_ARGB4444,
39 	G2D_COLOR_FMT_PRGB888,
40 	G2D_COLOR_FMT_YCbCr444,
41 	G2D_COLOR_FMT_YCbCr422,
42 	G2D_COLOR_FMT_YCbCr420,
43 	/* alpha 8bit */
44 	G2D_COLOR_FMT_A8,
45 	/* Luminance 8bit: gray color */
46 	G2D_COLOR_FMT_L8,
47 	/* alpha 1bit */
48 	G2D_COLOR_FMT_A1,
49 	/* alpha 4bit */
50 	G2D_COLOR_FMT_A4,
51 	G2D_COLOR_FMT_MASK,				/* VER4.1 */
52 
53 	/* COLOR ORDER */
54 	G2D_ORDER_AXRGB		= (0 << 4),		/* VER4.1 */
55 	G2D_ORDER_RGBAX		= (1 << 4),		/* VER4.1 */
56 	G2D_ORDER_AXBGR		= (2 << 4),		/* VER4.1 */
57 	G2D_ORDER_BGRAX		= (3 << 4),		/* VER4.1 */
58 	G2D_ORDER_MASK		= (3 << 4),		/* VER4.1 */
59 
60 	/* Number of YCbCr plane */
61 	G2D_YCbCr_1PLANE	= (0 << 8),		/* VER4.1 */
62 	G2D_YCbCr_2PLANE	= (1 << 8),		/* VER4.1 */
63 	G2D_YCbCr_PLANE_MASK	= (3 << 8),		/* VER4.1 */
64 
65 	/* Order in YCbCr */
66 	G2D_YCbCr_ORDER_CrY1CbY0 = (0 << 12),			/* VER4.1 */
67 	G2D_YCbCr_ORDER_CbY1CrY0 = (1 << 12),			/* VER4.1 */
68 	G2D_YCbCr_ORDER_Y1CrY0Cb = (2 << 12),			/* VER4.1 */
69 	G2D_YCbCr_ORDER_Y1CbY0Cr = (3 << 12),			/* VER4.1 */
70 	G2D_YCbCr_ORDER_CrCb = G2D_YCbCr_ORDER_CrY1CbY0,	/* VER4.1 */
71 	G2D_YCbCr_ORDER_CbCr = G2D_YCbCr_ORDER_CbY1CrY0,	/* VER4.1 */
72 	G2D_YCbCr_ORDER_MASK = (3 < 12),			/* VER4.1 */
73 
74 	/* CSC */
75 	G2D_CSC_601 = (0 << 16),		/* VER4.1 */
76 	G2D_CSC_709 = (1 << 16),		/* VER4.1 */
77 	G2D_CSC_MASK = (1 << 16),		/* VER4.1 */
78 
79 	/* Valid value range of YCbCr */
80 	G2D_YCbCr_RANGE_NARROW = (0 << 17),	/* VER4.1 */
81 	G2D_YCbCr_RANGE_WIDE = (1 << 17),	/* VER4.1 */
82 	G2D_YCbCr_RANGE_MASK = (1 << 17),	/* VER4.1 */
83 
84 	G2D_COLOR_MODE_MASK = 0xFFFFFFFF,
85 };
86 
87 enum e_g2d_select_mode {
88 	G2D_SELECT_MODE_NORMAL	= (0 << 0),
89 	G2D_SELECT_MODE_FGCOLOR = (1 << 0),
90 	G2D_SELECT_MODE_BGCOLOR = (2 << 0),
91 };
92 
93 enum e_g2d_repeat_mode {
94 	G2D_REPEAT_MODE_REPEAT,
95 	G2D_REPEAT_MODE_PAD,
96 	G2D_REPEAT_MODE_REFLECT,
97 	G2D_REPEAT_MODE_CLAMP,
98 	G2D_REPEAT_MODE_NONE,
99 };
100 
101 enum e_g2d_scale_mode {
102 	G2D_SCALE_MODE_NONE = 0,
103 	G2D_SCALE_MODE_NEAREST,
104 	G2D_SCALE_MODE_BILINEAR,
105 	G2D_SCALE_MODE_MAX,
106 };
107 
108 enum e_g2d_buf_type {
109 	G2D_IMGBUF_COLOR,
110 	G2D_IMGBUF_GEM,
111 	G2D_IMGBUF_USERPTR,
112 };
113 
114 enum e_g2d_rop3_type {
115 	G2D_ROP3_DST = 0xAA,
116 	G2D_ROP3_SRC = 0xCC,
117 	G2D_ROP3_3RD = 0xF0,
118 	G2D_ROP3_MASK = 0xFF,
119 };
120 
121 enum e_g2d_select_alpha_src {
122 	G2D_SELECT_SRC_FOR_ALPHA_BLEND,	/* VER4.1 */
123 	G2D_SELECT_ROP_FOR_ALPHA_BLEND,	/* VER4.1 */
124 };
125 
126 enum e_g2d_transparent_mode {
127 	G2D_TRANSPARENT_MODE_OPAQUE,
128 	G2D_TRANSPARENT_MODE_TRANSPARENT,
129 	G2D_TRANSPARENT_MODE_BLUESCREEN,
130 	G2D_TRANSPARENT_MODE_MAX,
131 };
132 
133 enum e_g2d_color_key_mode {
134 	G2D_COLORKEY_MODE_DISABLE	= 0,
135 	G2D_COLORKEY_MODE_SRC_RGBA	= (1<<0),
136 	G2D_COLORKEY_MODE_DST_RGBA	= (1<<1),
137 	G2D_COLORKEY_MODE_SRC_YCbCr	= (1<<2),		/* VER4.1 */
138 	G2D_COLORKEY_MODE_DST_YCbCr	= (1<<3),		/* VER4.1 */
139 	G2D_COLORKEY_MODE_MASK		= 15,
140 };
141 
142 enum e_g2d_alpha_blend_mode {
143 	G2D_ALPHA_BLEND_MODE_DISABLE,
144 	G2D_ALPHA_BLEND_MODE_ENABLE,
145 	G2D_ALPHA_BLEND_MODE_FADING,				/* VER3.0 */
146 	G2D_ALPHA_BLEND_MODE_MAX,
147 };
148 
149 enum e_g2d_op {
150 	G2D_OP_CLEAR			= 0x00,
151 	G2D_OP_SRC			= 0x01,
152 	G2D_OP_DST			= 0x02,
153 	G2D_OP_OVER			= 0x03,
154 	G2D_OP_DISJOINT_CLEAR		= 0x10,
155 	G2D_OP_DISJOINT_SRC		= 0x11,
156 	G2D_OP_DISJOINT_DST		= 0x12,
157 	G2D_OP_CONJOINT_CLEAR		= 0x20,
158 	G2D_OP_CONJOINT_SRC		= 0x21,
159 	G2D_OP_CONJOINT_DST		= 0x22,
160 };
161 
162 enum e_g2d_coeff_mode {
163 	G2D_COEFF_MODE_ONE,
164 	G2D_COEFF_MODE_ZERO,
165 	G2D_COEFF_MODE_SRC_ALPHA,
166 	G2D_COEFF_MODE_SRC_COLOR,
167 	G2D_COEFF_MODE_DST_ALPHA,
168 	G2D_COEFF_MODE_DST_COLOR,
169 	/* Global Alpha : Set by ALPHA_REG(0x618) */
170 	G2D_COEFF_MODE_GB_ALPHA,
171 	/* Global Alpha : Set by ALPHA_REG(0x618) */
172 	G2D_COEFF_MODE_GB_COLOR,
173 	/* (1-SRC alpha)/DST Alpha */
174 	G2D_COEFF_MODE_DISJOINT_S,
175 	/* (1-DST alpha)/SRC Alpha */
176 	G2D_COEFF_MODE_DISJOINT_D,
177 	/* SRC alpha/DST alpha */
178 	G2D_COEFF_MODE_CONJOINT_S,
179 	/* DST alpha/SRC alpha */
180 	G2D_COEFF_MODE_CONJOINT_D,
181 	/* DST alpha/SRC alpha */
182 	G2D_COEFF_MODE_MASK
183 };
184 
185 enum e_g2d_acoeff_mode {
186 	G2D_ACOEFF_MODE_A,          /* alpha */
187 	G2D_ACOEFF_MODE_APGA,	/* alpha + global alpha */
188 	G2D_ACOEFF_MODE_AMGA,	/* alpha * global alpha */
189 	G2D_ACOEFF_MODE_MASK
190 };
191 
192 union g2d_point_val {
193 	unsigned int val;
194 	struct {
195 		/*
196 		 * Coordinate of Source Image
197 		 * Range: 0 ~ 8000 (Requirement: SrcLeftX < SrcRightX)
198 		 * In YCbCr 422 and YCbCr 420 format with even number.
199 		 */
200 		unsigned int x:16;
201 		/*
202 		 * Y Coordinate of Source Image
203 		 * Range: 0 ~ 8000 (Requirement: SrcTopY < SrcBottomY)
204 		 * In YCbCr 420 format with even number.
205 		 */
206 		unsigned int y:16;
207 	} data;
208 };
209 
210 union g2d_rop4_val {
211 	unsigned int val;
212 	struct {
213 		enum e_g2d_rop3_type	unmasked_rop3:8;
214 		enum e_g2d_rop3_type	masked_rop3:8;
215 		unsigned int		reserved:16;
216 	} data;
217 };
218 
219 union g2d_bitblt_cmd_val {
220 	unsigned int val;
221 	struct {
222 		/* [0:3] */
223 		unsigned int			mask_rop4_en:1;
224 		unsigned int			masking_en:1;
225 		enum e_g2d_select_alpha_src	rop4_alpha_en:1;
226 		unsigned int			dither_en:1;
227 		/* [4:7] */
228 		unsigned int			resolved1:4;
229 		/* [8:11] */
230 		unsigned int			cw_en:4;
231 		/* [12:15] */
232 		enum e_g2d_transparent_mode	transparent_mode:4;
233 		/* [16:19] */
234 		enum e_g2d_color_key_mode	color_key_mode:4;
235 		/* [20:23] */
236 		enum e_g2d_alpha_blend_mode	alpha_blend_mode:4;
237 		/* [24:27] */
238 		unsigned int src_pre_multiply:1;
239 		unsigned int pat_pre_multiply:1;
240 		unsigned int dst_pre_multiply:1;
241 		unsigned int dst_depre_multiply:1;
242 		/* [28:31] */
243 		unsigned int fast_solid_color_fill_en:1;
244 		unsigned int reserved:3;
245 	} data;
246 };
247 
248 union g2d_blend_func_val {
249 	unsigned int val;
250 	struct {
251 		/* [0:15] */
252 		enum e_g2d_coeff_mode src_coeff:4;
253 		enum e_g2d_acoeff_mode src_coeff_src_a:2;
254 		enum e_g2d_acoeff_mode src_coeff_dst_a:2;
255 		enum e_g2d_coeff_mode dst_coeff:4;
256 		enum e_g2d_acoeff_mode dst_coeff_src_a:2;
257 		enum e_g2d_acoeff_mode dst_coeff_dst_a:2;
258 		/* [16:19] */
259 		unsigned int inv_src_color_coeff:1;
260 		unsigned int resoled1:1;
261 		unsigned int inv_dst_color_coeff:1;
262 		unsigned int resoled2:1;
263 		/* [20:23] */
264 		unsigned int lighten_en:1;
265 		unsigned int darken_en:1;
266 		unsigned int win_ce_src_over_en:2;
267 		/* [24:31] */
268 		unsigned int reserved:8;
269 	} data;
270 };
271 
272 struct g2d_image {
273 	enum e_g2d_select_mode		select_mode;
274 	enum e_g2d_color_mode		color_mode;
275 	enum e_g2d_repeat_mode		repeat_mode;
276 	enum e_g2d_scale_mode		scale_mode;
277 	unsigned int			xscale;
278 	unsigned int			yscale;
279 	unsigned char			rotate_90;
280 	unsigned char			x_dir;
281 	unsigned char			y_dir;
282 	unsigned char			component_alpha;
283 	unsigned int			width;
284 	unsigned int			height;
285 	unsigned int			stride;
286 	unsigned int			need_free;
287 	unsigned int			color;
288 	enum e_g2d_buf_type		buf_type;
289 	unsigned int			bo[G2D_PLANE_MAX_NR];
290 	struct drm_exynos_g2d_userptr	user_ptr[G2D_PLANE_MAX_NR];
291 	void				*mapped_ptr[G2D_PLANE_MAX_NR];
292 };
293 
294 struct g2d_context {
295 	int				fd;
296 	unsigned int			major;
297 	unsigned int			minor;
298 	struct drm_exynos_g2d_cmd	cmd[G2D_MAX_CMD_NR];
299 	struct drm_exynos_g2d_cmd	cmd_buf[G2D_MAX_GEM_CMD_NR];
300 	unsigned int			cmd_nr;
301 	unsigned int			cmd_buf_nr;
302 	unsigned int			cmdlist_nr;
303 };
304 
305 struct g2d_context *g2d_init(int fd);
306 void g2d_fini(struct g2d_context *ctx);
307 int g2d_exec(struct g2d_context *ctx);
308 int g2d_solid_fill(struct g2d_context *ctx, struct g2d_image *img,
309 			unsigned int x, unsigned int y, unsigned int w,
310 			unsigned int h);
311 int g2d_copy(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);
315 int g2d_copy_with_scale(struct g2d_context *ctx, struct g2d_image *src,
316 				struct g2d_image *dst, unsigned int src_x,
317 				unsigned int src_y, unsigned int src_w,
318 				unsigned int src_h, unsigned int dst_x,
319 				unsigned int dst_y, unsigned int dst_w,
320 				unsigned int dst_h, unsigned int negative);
321 int g2d_blend(struct g2d_context *ctx, struct g2d_image *src,
322 		struct g2d_image *dst, unsigned int src_x,
323 		unsigned int src_y, unsigned int dst_x, unsigned int dst_y,
324 		unsigned int w, unsigned int h, enum e_g2d_op op);
325 #endif /* _FIMG2D_H_ */
326