1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Copyright (C) 2015 Free Electrons |
4 | * Copyright (C) 2015 NextThing Co |
5 | * |
6 | * Maxime Ripard <maxime.ripard@free-electrons.com> |
7 | */ |
8 | |
9 | #ifndef _SUN4I_BACKEND_H_ |
10 | #define _SUN4I_BACKEND_H_ |
11 | |
12 | #include <linux/clk.h> |
13 | #include <linux/list.h> |
14 | #include <linux/of.h> |
15 | #include <linux/regmap.h> |
16 | #include <linux/reset.h> |
17 | |
18 | #include "sunxi_engine.h" |
19 | |
20 | #define SUN4I_BACKEND_MODCTL_REG 0x800 |
21 | #define SUN4I_BACKEND_MODCTL_LINE_SEL BIT(29) |
22 | #define SUN4I_BACKEND_MODCTL_ITLMOD_EN BIT(28) |
23 | #define SUN4I_BACKEND_MODCTL_OUT_SEL GENMASK(22, 20) |
24 | #define SUN4I_BACKEND_MODCTL_OUT_LCD0 (0 << 20) |
25 | #define SUN4I_BACKEND_MODCTL_OUT_LCD1 (1 << 20) |
26 | #define SUN4I_BACKEND_MODCTL_OUT_FE0 (6 << 20) |
27 | #define SUN4I_BACKEND_MODCTL_OUT_FE1 (7 << 20) |
28 | #define SUN4I_BACKEND_MODCTL_HWC_EN BIT(16) |
29 | #define SUN4I_BACKEND_MODCTL_LAY_EN(l) BIT(8 + l) |
30 | #define SUN4I_BACKEND_MODCTL_OCSC_EN BIT(5) |
31 | #define SUN4I_BACKEND_MODCTL_DFLK_EN BIT(4) |
32 | #define SUN4I_BACKEND_MODCTL_DLP_START_CTL BIT(2) |
33 | #define SUN4I_BACKEND_MODCTL_START_CTL BIT(1) |
34 | #define SUN4I_BACKEND_MODCTL_DEBE_EN BIT(0) |
35 | |
36 | #define SUN4I_BACKEND_BACKCOLOR_REG 0x804 |
37 | #define SUN4I_BACKEND_BACKCOLOR(r, g, b) (((r) << 16) | ((g) << 8) | (b)) |
38 | |
39 | #define SUN4I_BACKEND_DISSIZE_REG 0x808 |
40 | #define SUN4I_BACKEND_DISSIZE(w, h) (((((h) - 1) & 0xffff) << 16) | \ |
41 | (((w) - 1) & 0xffff)) |
42 | |
43 | #define SUN4I_BACKEND_LAYSIZE_REG(l) (0x810 + (0x4 * (l))) |
44 | #define SUN4I_BACKEND_LAYSIZE(w, h) (((((h) - 1) & 0x1fff) << 16) | \ |
45 | (((w) - 1) & 0x1fff)) |
46 | |
47 | #define SUN4I_BACKEND_LAYCOOR_REG(l) (0x820 + (0x4 * (l))) |
48 | #define SUN4I_BACKEND_LAYCOOR(x, y) ((((u32)(y) & 0xffff) << 16) | \ |
49 | ((u32)(x) & 0xffff)) |
50 | |
51 | #define SUN4I_BACKEND_LAYLINEWIDTH_REG(l) (0x840 + (0x4 * (l))) |
52 | |
53 | #define SUN4I_BACKEND_LAYFB_L32ADD_REG(l) (0x850 + (0x4 * (l))) |
54 | |
55 | #define SUN4I_BACKEND_LAYFB_H4ADD_REG 0x860 |
56 | #define SUN4I_BACKEND_LAYFB_H4ADD_MSK(l) GENMASK(3 + ((l) * 8), (l) * 8) |
57 | #define SUN4I_BACKEND_LAYFB_H4ADD(l, val) ((val) << ((l) * 8)) |
58 | |
59 | #define SUN4I_BACKEND_REGBUFFCTL_REG 0x870 |
60 | #define SUN4I_BACKEND_REGBUFFCTL_AUTOLOAD_DIS BIT(1) |
61 | #define SUN4I_BACKEND_REGBUFFCTL_LOADCTL BIT(0) |
62 | |
63 | #define SUN4I_BACKEND_CKMAX_REG 0x880 |
64 | #define SUN4I_BACKEND_CKMIN_REG 0x884 |
65 | #define SUN4I_BACKEND_CKCFG_REG 0x888 |
66 | #define SUN4I_BACKEND_ATTCTL_REG0(l) (0x890 + (0x4 * (l))) |
67 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_MASK GENMASK(31, 24) |
68 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA(x) ((x) << 24) |
69 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL_MASK BIT(15) |
70 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(x) ((x) << 15) |
71 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL_MASK GENMASK(11, 10) |
72 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL(x) ((x) << 10) |
73 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_YUVEN BIT(2) |
74 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_VDOEN BIT(1) |
75 | #define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_EN BIT(0) |
76 | |
77 | #define SUN4I_BACKEND_ATTCTL_REG1(l) (0x8a0 + (0x4 * (l))) |
78 | #define SUN4I_BACKEND_ATTCTL_REG1_LAY_HSCAFCT GENMASK(15, 14) |
79 | #define SUN4I_BACKEND_ATTCTL_REG1_LAY_WSCAFCT GENMASK(13, 12) |
80 | #define SUN4I_BACKEND_ATTCTL_REG1_LAY_FBFMT GENMASK(11, 8) |
81 | #define SUN4I_BACKEND_LAY_FBFMT_1BPP (0 << 8) |
82 | #define SUN4I_BACKEND_LAY_FBFMT_2BPP (1 << 8) |
83 | #define SUN4I_BACKEND_LAY_FBFMT_4BPP (2 << 8) |
84 | #define SUN4I_BACKEND_LAY_FBFMT_8BPP (3 << 8) |
85 | #define SUN4I_BACKEND_LAY_FBFMT_RGB655 (4 << 8) |
86 | #define SUN4I_BACKEND_LAY_FBFMT_RGB565 (5 << 8) |
87 | #define SUN4I_BACKEND_LAY_FBFMT_RGB556 (6 << 8) |
88 | #define SUN4I_BACKEND_LAY_FBFMT_ARGB1555 (7 << 8) |
89 | #define SUN4I_BACKEND_LAY_FBFMT_RGBA5551 (8 << 8) |
90 | #define SUN4I_BACKEND_LAY_FBFMT_XRGB8888 (9 << 8) |
91 | #define SUN4I_BACKEND_LAY_FBFMT_ARGB8888 (10 << 8) |
92 | #define SUN4I_BACKEND_LAY_FBFMT_RGB888 (11 << 8) |
93 | #define SUN4I_BACKEND_LAY_FBFMT_ARGB4444 (12 << 8) |
94 | #define SUN4I_BACKEND_LAY_FBFMT_RGBA4444 (13 << 8) |
95 | |
96 | #define SUN4I_BACKEND_DLCDPCTL_REG 0x8b0 |
97 | #define SUN4I_BACKEND_DLCDPFRMBUF_ADDRCTL_REG 0x8b4 |
98 | #define SUN4I_BACKEND_DLCDPCOOR_REG0 0x8b8 |
99 | #define SUN4I_BACKEND_DLCDPCOOR_REG1 0x8bc |
100 | |
101 | #define SUN4I_BACKEND_INT_EN_REG 0x8c0 |
102 | #define SUN4I_BACKEND_INT_FLAG_REG 0x8c4 |
103 | #define SUN4I_BACKEND_REG_LOAD_FINISHED BIT(1) |
104 | |
105 | #define SUN4I_BACKEND_HWCCTL_REG 0x8d8 |
106 | #define SUN4I_BACKEND_HWCFBCTL_REG 0x8e0 |
107 | #define SUN4I_BACKEND_WBCTL_REG 0x8f0 |
108 | #define SUN4I_BACKEND_WBADD_REG 0x8f4 |
109 | #define SUN4I_BACKEND_WBLINEWIDTH_REG 0x8f8 |
110 | #define SUN4I_BACKEND_SPREN_REG 0x900 |
111 | #define SUN4I_BACKEND_SPRFMTCTL_REG 0x908 |
112 | #define SUN4I_BACKEND_SPRALPHACTL_REG 0x90c |
113 | |
114 | #define SUN4I_BACKEND_IYUVCTL_REG 0x920 |
115 | #define SUN4I_BACKEND_IYUVCTL_FBFMT_MASK GENMASK(14, 12) |
116 | #define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV444 (4 << 12) |
117 | #define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV422 (3 << 12) |
118 | #define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV444 (2 << 12) |
119 | #define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV222 (1 << 12) |
120 | #define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV111 (0 << 12) |
121 | #define SUN4I_BACKEND_IYUVCTL_FBPS_MASK GENMASK(9, 8) |
122 | #define SUN4I_BACKEND_IYUVCTL_FBPS_YVYU (3 << 8) |
123 | #define SUN4I_BACKEND_IYUVCTL_FBPS_VYUY (2 << 8) |
124 | #define SUN4I_BACKEND_IYUVCTL_FBPS_YUYV (1 << 8) |
125 | #define SUN4I_BACKEND_IYUVCTL_FBPS_UYVY (0 << 8) |
126 | #define SUN4I_BACKEND_IYUVCTL_FBPS_VUYA (1 << 8) |
127 | #define SUN4I_BACKEND_IYUVCTL_FBPS_AYUV (0 << 8) |
128 | #define SUN4I_BACKEND_IYUVCTL_EN BIT(0) |
129 | |
130 | #define SUN4I_BACKEND_IYUVADD_REG(c) (0x930 + (0x4 * (c))) |
131 | |
132 | #define SUN4I_BACKEND_IYUVLINEWIDTH_REG(c) (0x940 + (0x4 * (c))) |
133 | |
134 | #define SUN4I_BACKEND_YGCOEF_REG(c) (0x950 + (0x4 * (c))) |
135 | #define SUN4I_BACKEND_YGCONS_REG 0x95c |
136 | #define SUN4I_BACKEND_URCOEF_REG(c) (0x960 + (0x4 * (c))) |
137 | #define SUN4I_BACKEND_URCONS_REG 0x96c |
138 | #define SUN4I_BACKEND_VBCOEF_REG(c) (0x970 + (0x4 * (c))) |
139 | #define SUN4I_BACKEND_VBCONS_REG 0x97c |
140 | #define SUN4I_BACKEND_KSCTL_REG 0x980 |
141 | #define SUN4I_BACKEND_KSBKCOLOR_REG 0x984 |
142 | #define SUN4I_BACKEND_KSFSTLINEWIDTH_REG 0x988 |
143 | #define SUN4I_BACKEND_KSVSCAFCT_REG 0x98c |
144 | #define SUN4I_BACKEND_KSHSCACOEF_REG(x) (0x9a0 + (0x4 * (x))) |
145 | #define SUN4I_BACKEND_OCCTL_REG 0x9c0 |
146 | #define SUN4I_BACKEND_OCCTL_ENABLE BIT(0) |
147 | |
148 | #define SUN4I_BACKEND_OCRCOEF_REG(x) (0x9d0 + (0x4 * (x))) |
149 | #define SUN4I_BACKEND_OCRCONS_REG 0x9dc |
150 | #define SUN4I_BACKEND_OCGCOEF_REG(x) (0x9e0 + (0x4 * (x))) |
151 | #define SUN4I_BACKEND_OCGCONS_REG 0x9ec |
152 | #define SUN4I_BACKEND_OCBCOEF_REG(x) (0x9f0 + (0x4 * (x))) |
153 | #define SUN4I_BACKEND_OCBCONS_REG 0x9fc |
154 | #define SUN4I_BACKEND_SPRCOORCTL_REG(s) (0xa00 + (0x4 * (s))) |
155 | #define SUN4I_BACKEND_SPRATTCTL_REG(s) (0xb00 + (0x4 * (s))) |
156 | #define SUN4I_BACKEND_SPRADD_REG(s) (0xc00 + (0x4 * (s))) |
157 | #define SUN4I_BACKEND_SPRLINEWIDTH_REG(s) (0xd00 + (0x4 * (s))) |
158 | |
159 | #define SUN4I_BACKEND_SPRPALTAB_OFF 0x4000 |
160 | #define SUN4I_BACKEND_GAMMATAB_OFF 0x4400 |
161 | #define SUN4I_BACKEND_HWCPATTERN_OFF 0x4800 |
162 | #define SUN4I_BACKEND_HWCCOLORTAB_OFF 0x4c00 |
163 | #define SUN4I_BACKEND_PIPE_OFF(p) (0x5000 + (0x400 * (p))) |
164 | |
165 | #define SUN4I_BACKEND_NUM_LAYERS 4 |
166 | #define SUN4I_BACKEND_NUM_FRONTEND_LAYERS 1 |
167 | #define SUN4I_BACKEND_NUM_YUV_PLANES 1 |
168 | |
169 | struct sun4i_backend { |
170 | struct sunxi_engine engine; |
171 | struct sun4i_frontend *frontend; |
172 | |
173 | struct reset_control *reset; |
174 | |
175 | struct clk *bus_clk; |
176 | struct clk *mod_clk; |
177 | struct clk *ram_clk; |
178 | |
179 | struct clk *sat_clk; |
180 | struct reset_control *sat_reset; |
181 | |
182 | /* Protects against races in the frontend teardown */ |
183 | spinlock_t frontend_lock; |
184 | bool frontend_teardown; |
185 | |
186 | const struct sun4i_backend_quirks *quirks; |
187 | }; |
188 | |
189 | static inline struct sun4i_backend * |
190 | engine_to_sun4i_backend(struct sunxi_engine *engine) |
191 | { |
192 | return container_of(engine, struct sun4i_backend, engine); |
193 | } |
194 | |
195 | void sun4i_backend_layer_enable(struct sun4i_backend *backend, |
196 | int layer, bool enable); |
197 | bool sun4i_backend_format_is_supported(uint32_t fmt, uint64_t modifier); |
198 | int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, |
199 | int layer, struct drm_plane *plane); |
200 | int sun4i_backend_update_layer_formats(struct sun4i_backend *backend, |
201 | int layer, struct drm_plane *plane); |
202 | int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend, |
203 | int layer, struct drm_plane *plane); |
204 | int sun4i_backend_update_layer_frontend(struct sun4i_backend *backend, |
205 | int layer, uint32_t in_fmt); |
206 | int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend, |
207 | int layer, struct drm_plane *plane); |
208 | void sun4i_backend_cleanup_layer(struct sun4i_backend *backend, |
209 | int layer); |
210 | |
211 | #endif /* _SUN4I_BACKEND_H_ */ |
212 | |