xref: /linux/drivers/gpu/drm/rockchip/rockchip_drm_vop.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3  * Author:Mark Yao <mark.yao@rock-chips.com>
4  *
5  * This software is licensed under the terms of the GNU General Public
6  * License version 2, as published by the Free Software Foundation, and
7  * may be copied, distributed, and modified under those terms.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14 
15 #ifndef _ROCKCHIP_DRM_VOP_H
16 #define _ROCKCHIP_DRM_VOP_H
17 
18 /* register definition */
19 #define REG_CFG_DONE			0x0000
20 #define VERSION_INFO			0x0004
21 #define SYS_CTRL			0x0008
22 #define SYS_CTRL1			0x000c
23 #define DSP_CTRL0			0x0010
24 #define DSP_CTRL1			0x0014
25 #define DSP_BG				0x0018
26 #define MCU_CTRL			0x001c
27 #define INTR_CTRL0			0x0020
28 #define INTR_CTRL1			0x0024
29 #define WIN0_CTRL0			0x0030
30 #define WIN0_CTRL1			0x0034
31 #define WIN0_COLOR_KEY			0x0038
32 #define WIN0_VIR			0x003c
33 #define WIN0_YRGB_MST			0x0040
34 #define WIN0_CBR_MST			0x0044
35 #define WIN0_ACT_INFO			0x0048
36 #define WIN0_DSP_INFO			0x004c
37 #define WIN0_DSP_ST			0x0050
38 #define WIN0_SCL_FACTOR_YRGB		0x0054
39 #define WIN0_SCL_FACTOR_CBR		0x0058
40 #define WIN0_SCL_OFFSET			0x005c
41 #define WIN0_SRC_ALPHA_CTRL		0x0060
42 #define WIN0_DST_ALPHA_CTRL		0x0064
43 #define WIN0_FADING_CTRL		0x0068
44 /* win1 register */
45 #define WIN1_CTRL0			0x0070
46 #define WIN1_CTRL1			0x0074
47 #define WIN1_COLOR_KEY			0x0078
48 #define WIN1_VIR			0x007c
49 #define WIN1_YRGB_MST			0x0080
50 #define WIN1_CBR_MST			0x0084
51 #define WIN1_ACT_INFO			0x0088
52 #define WIN1_DSP_INFO			0x008c
53 #define WIN1_DSP_ST			0x0090
54 #define WIN1_SCL_FACTOR_YRGB		0x0094
55 #define WIN1_SCL_FACTOR_CBR		0x0098
56 #define WIN1_SCL_OFFSET			0x009c
57 #define WIN1_SRC_ALPHA_CTRL		0x00a0
58 #define WIN1_DST_ALPHA_CTRL		0x00a4
59 #define WIN1_FADING_CTRL		0x00a8
60 /* win2 register */
61 #define WIN2_CTRL0			0x00b0
62 #define WIN2_CTRL1			0x00b4
63 #define WIN2_VIR0_1			0x00b8
64 #define WIN2_VIR2_3			0x00bc
65 #define WIN2_MST0			0x00c0
66 #define WIN2_DSP_INFO0			0x00c4
67 #define WIN2_DSP_ST0			0x00c8
68 #define WIN2_COLOR_KEY			0x00cc
69 #define WIN2_MST1			0x00d0
70 #define WIN2_DSP_INFO1			0x00d4
71 #define WIN2_DSP_ST1			0x00d8
72 #define WIN2_SRC_ALPHA_CTRL		0x00dc
73 #define WIN2_MST2			0x00e0
74 #define WIN2_DSP_INFO2			0x00e4
75 #define WIN2_DSP_ST2			0x00e8
76 #define WIN2_DST_ALPHA_CTRL		0x00ec
77 #define WIN2_MST3			0x00f0
78 #define WIN2_DSP_INFO3			0x00f4
79 #define WIN2_DSP_ST3			0x00f8
80 #define WIN2_FADING_CTRL		0x00fc
81 /* win3 register */
82 #define WIN3_CTRL0			0x0100
83 #define WIN3_CTRL1			0x0104
84 #define WIN3_VIR0_1			0x0108
85 #define WIN3_VIR2_3			0x010c
86 #define WIN3_MST0			0x0110
87 #define WIN3_DSP_INFO0			0x0114
88 #define WIN3_DSP_ST0			0x0118
89 #define WIN3_COLOR_KEY			0x011c
90 #define WIN3_MST1			0x0120
91 #define WIN3_DSP_INFO1			0x0124
92 #define WIN3_DSP_ST1			0x0128
93 #define WIN3_SRC_ALPHA_CTRL		0x012c
94 #define WIN3_MST2			0x0130
95 #define WIN3_DSP_INFO2			0x0134
96 #define WIN3_DSP_ST2			0x0138
97 #define WIN3_DST_ALPHA_CTRL		0x013c
98 #define WIN3_MST3			0x0140
99 #define WIN3_DSP_INFO3			0x0144
100 #define WIN3_DSP_ST3			0x0148
101 #define WIN3_FADING_CTRL		0x014c
102 /* hwc register */
103 #define HWC_CTRL0			0x0150
104 #define HWC_CTRL1			0x0154
105 #define HWC_MST				0x0158
106 #define HWC_DSP_ST			0x015c
107 #define HWC_SRC_ALPHA_CTRL		0x0160
108 #define HWC_DST_ALPHA_CTRL		0x0164
109 #define HWC_FADING_CTRL			0x0168
110 /* post process register */
111 #define POST_DSP_HACT_INFO		0x0170
112 #define POST_DSP_VACT_INFO		0x0174
113 #define POST_SCL_FACTOR_YRGB		0x0178
114 #define POST_SCL_CTRL			0x0180
115 #define POST_DSP_VACT_INFO_F1		0x0184
116 #define DSP_HTOTAL_HS_END		0x0188
117 #define DSP_HACT_ST_END			0x018c
118 #define DSP_VTOTAL_VS_END		0x0190
119 #define DSP_VACT_ST_END			0x0194
120 #define DSP_VS_ST_END_F1		0x0198
121 #define DSP_VACT_ST_END_F1		0x019c
122 /* register definition end */
123 
124 /* interrupt define */
125 #define DSP_HOLD_VALID_INTR		(1 << 0)
126 #define FS_INTR				(1 << 1)
127 #define LINE_FLAG_INTR			(1 << 2)
128 #define BUS_ERROR_INTR			(1 << 3)
129 
130 #define INTR_MASK			(DSP_HOLD_VALID_INTR | FS_INTR | \
131 					 LINE_FLAG_INTR | BUS_ERROR_INTR)
132 
133 #define DSP_HOLD_VALID_INTR_EN(x)	((x) << 4)
134 #define FS_INTR_EN(x)			((x) << 5)
135 #define LINE_FLAG_INTR_EN(x)		((x) << 6)
136 #define BUS_ERROR_INTR_EN(x)		((x) << 7)
137 #define DSP_HOLD_VALID_INTR_MASK	(1 << 4)
138 #define FS_INTR_MASK			(1 << 5)
139 #define LINE_FLAG_INTR_MASK		(1 << 6)
140 #define BUS_ERROR_INTR_MASK		(1 << 7)
141 
142 #define INTR_CLR_SHIFT			8
143 #define DSP_HOLD_VALID_INTR_CLR		(1 << (INTR_CLR_SHIFT + 0))
144 #define FS_INTR_CLR			(1 << (INTR_CLR_SHIFT + 1))
145 #define LINE_FLAG_INTR_CLR		(1 << (INTR_CLR_SHIFT + 2))
146 #define BUS_ERROR_INTR_CLR		(1 << (INTR_CLR_SHIFT + 3))
147 
148 #define DSP_LINE_NUM(x)			(((x) & 0x1fff) << 12)
149 #define DSP_LINE_NUM_MASK		(0x1fff << 12)
150 
151 /* src alpha ctrl define */
152 #define SRC_FADING_VALUE(x)		(((x) & 0xff) << 24)
153 #define SRC_GLOBAL_ALPHA(x)		(((x) & 0xff) << 16)
154 #define SRC_FACTOR_M0(x)		(((x) & 0x7) << 6)
155 #define SRC_ALPHA_CAL_M0(x)		(((x) & 0x1) << 5)
156 #define SRC_BLEND_M0(x)			(((x) & 0x3) << 3)
157 #define SRC_ALPHA_M0(x)			(((x) & 0x1) << 2)
158 #define SRC_COLOR_M0(x)			(((x) & 0x1) << 1)
159 #define SRC_ALPHA_EN(x)			(((x) & 0x1) << 0)
160 /* dst alpha ctrl define */
161 #define DST_FACTOR_M0(x)		(((x) & 0x7) << 6)
162 
163 /*
164  * display output interface supported by rockchip lcdc
165  */
166 #define ROCKCHIP_OUT_MODE_P888	0
167 #define ROCKCHIP_OUT_MODE_P666	1
168 #define ROCKCHIP_OUT_MODE_P565	2
169 /* for use special outface */
170 #define ROCKCHIP_OUT_MODE_AAAA	15
171 
172 enum alpha_mode {
173 	ALPHA_STRAIGHT,
174 	ALPHA_INVERSE,
175 };
176 
177 enum global_blend_mode {
178 	ALPHA_GLOBAL,
179 	ALPHA_PER_PIX,
180 	ALPHA_PER_PIX_GLOBAL,
181 };
182 
183 enum alpha_cal_mode {
184 	ALPHA_SATURATION,
185 	ALPHA_NO_SATURATION,
186 };
187 
188 enum color_mode {
189 	ALPHA_SRC_PRE_MUL,
190 	ALPHA_SRC_NO_PRE_MUL,
191 };
192 
193 enum factor_mode {
194 	ALPHA_ZERO,
195 	ALPHA_ONE,
196 	ALPHA_SRC,
197 	ALPHA_SRC_INVERSE,
198 	ALPHA_SRC_GLOBAL,
199 };
200 
201 enum scale_mode {
202 	SCALE_NONE = 0x0,
203 	SCALE_UP   = 0x1,
204 	SCALE_DOWN = 0x2
205 };
206 
207 enum lb_mode {
208 	LB_YUV_3840X5 = 0x0,
209 	LB_YUV_2560X8 = 0x1,
210 	LB_RGB_3840X2 = 0x2,
211 	LB_RGB_2560X4 = 0x3,
212 	LB_RGB_1920X5 = 0x4,
213 	LB_RGB_1280X8 = 0x5
214 };
215 
216 enum sacle_up_mode {
217 	SCALE_UP_BIL = 0x0,
218 	SCALE_UP_BIC = 0x1
219 };
220 
221 enum scale_down_mode {
222 	SCALE_DOWN_BIL = 0x0,
223 	SCALE_DOWN_AVG = 0x1
224 };
225 
226 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
227 #define SCL_FT_DEFAULT_FIXPOINT_SHIFT	12
228 #define SCL_MAX_VSKIPLINES		4
229 #define MIN_SCL_FT_AFTER_VSKIP		1
230 
231 static inline uint16_t scl_cal_scale(int src, int dst, int shift)
232 {
233 	return ((src * 2 - 3) << (shift - 1)) / (dst - 1);
234 }
235 
236 #define GET_SCL_FT_BILI_DN(src, dst)	scl_cal_scale(src, dst, 12)
237 #define GET_SCL_FT_BILI_UP(src, dst)	scl_cal_scale(src, dst, 16)
238 #define GET_SCL_FT_BIC(src, dst)	scl_cal_scale(src, dst, 16)
239 
240 static inline uint16_t scl_get_bili_dn_vskip(int src_h, int dst_h,
241 					     int vskiplines)
242 {
243 	int act_height;
244 
245 	act_height = (src_h + vskiplines - 1) / vskiplines;
246 
247 	return GET_SCL_FT_BILI_DN(act_height, dst_h);
248 }
249 
250 static inline enum scale_mode scl_get_scl_mode(int src, int dst)
251 {
252 	if (src < dst)
253 		return SCALE_UP;
254 	else if (src > dst)
255 		return SCALE_DOWN;
256 
257 	return SCALE_NONE;
258 }
259 
260 static inline int scl_get_vskiplines(uint32_t srch, uint32_t dsth)
261 {
262 	uint32_t vskiplines;
263 
264 	for (vskiplines = SCL_MAX_VSKIPLINES; vskiplines > 1; vskiplines /= 2)
265 		if (srch >= vskiplines * dsth * MIN_SCL_FT_AFTER_VSKIP)
266 			break;
267 
268 	return vskiplines;
269 }
270 
271 static inline int scl_vop_cal_lb_mode(int width, bool is_yuv)
272 {
273 	int lb_mode;
274 
275 	if (width > 2560)
276 		lb_mode = LB_RGB_3840X2;
277 	else if (width > 1920)
278 		lb_mode = LB_RGB_2560X4;
279 	else if (!is_yuv)
280 		lb_mode = LB_RGB_1920X5;
281 	else if (width > 1280)
282 		lb_mode = LB_YUV_3840X5;
283 	else
284 		lb_mode = LB_YUV_2560X8;
285 
286 	return lb_mode;
287 }
288 
289 #endif /* _ROCKCHIP_DRM_VOP_H */
290