12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */
29026e0d1SMaxime Ripard /*
39026e0d1SMaxime Ripard * Copyright (C) 2015 Free Electrons
49026e0d1SMaxime Ripard * Copyright (C) 2015 NextThing Co
59026e0d1SMaxime Ripard *
69026e0d1SMaxime Ripard * Maxime Ripard <maxime.ripard@free-electrons.com>
79026e0d1SMaxime Ripard */
89026e0d1SMaxime Ripard
99026e0d1SMaxime Ripard #ifndef _SUN4I_BACKEND_H_
109026e0d1SMaxime Ripard #define _SUN4I_BACKEND_H_
119026e0d1SMaxime Ripard
129026e0d1SMaxime Ripard #include <linux/clk.h>
1380a58240SChen-Yu Tsai #include <linux/list.h>
142c03e2fbSChen-Yu Tsai #include <linux/of.h>
159026e0d1SMaxime Ripard #include <linux/regmap.h>
169026e0d1SMaxime Ripard #include <linux/reset.h>
179026e0d1SMaxime Ripard
1887969338SIcenowy Zheng #include "sunxi_engine.h"
1987969338SIcenowy Zheng
209026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_REG 0x800
219026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_LINE_SEL BIT(29)
229026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_ITLMOD_EN BIT(28)
239026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_OUT_SEL GENMASK(22, 20)
24f55c83d3SChen-Yu Tsai #define SUN4I_BACKEND_MODCTL_OUT_LCD0 (0 << 20)
25f55c83d3SChen-Yu Tsai #define SUN4I_BACKEND_MODCTL_OUT_LCD1 (1 << 20)
269026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_OUT_FE0 (6 << 20)
279026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_OUT_FE1 (7 << 20)
289026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_HWC_EN BIT(16)
299026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_LAY_EN(l) BIT(8 + l)
309026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_OCSC_EN BIT(5)
319026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_DFLK_EN BIT(4)
329026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_DLP_START_CTL BIT(2)
339026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_START_CTL BIT(1)
349026e0d1SMaxime Ripard #define SUN4I_BACKEND_MODCTL_DEBE_EN BIT(0)
359026e0d1SMaxime Ripard
369026e0d1SMaxime Ripard #define SUN4I_BACKEND_BACKCOLOR_REG 0x804
379026e0d1SMaxime Ripard #define SUN4I_BACKEND_BACKCOLOR(r, g, b) (((r) << 16) | ((g) << 8) | (b))
389026e0d1SMaxime Ripard
399026e0d1SMaxime Ripard #define SUN4I_BACKEND_DISSIZE_REG 0x808
409026e0d1SMaxime Ripard #define SUN4I_BACKEND_DISSIZE(w, h) (((((h) - 1) & 0xffff) << 16) | \
419026e0d1SMaxime Ripard (((w) - 1) & 0xffff))
429026e0d1SMaxime Ripard
439026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYSIZE_REG(l) (0x810 + (0x4 * (l)))
449026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYSIZE(w, h) (((((h) - 1) & 0x1fff) << 16) | \
459026e0d1SMaxime Ripard (((w) - 1) & 0x1fff))
469026e0d1SMaxime Ripard
479026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYCOOR_REG(l) (0x820 + (0x4 * (l)))
489026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYCOOR(x, y) ((((u32)(y) & 0xffff) << 16) | \
499026e0d1SMaxime Ripard ((u32)(x) & 0xffff))
509026e0d1SMaxime Ripard
519026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYLINEWIDTH_REG(l) (0x840 + (0x4 * (l)))
529026e0d1SMaxime Ripard
539026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYFB_L32ADD_REG(l) (0x850 + (0x4 * (l)))
549026e0d1SMaxime Ripard
559026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYFB_H4ADD_REG 0x860
56f0188ef8SMaxime Ripard #define SUN4I_BACKEND_LAYFB_H4ADD_MSK(l) GENMASK(3 + ((l) * 8), (l) * 8)
579026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAYFB_H4ADD(l, val) ((val) << ((l) * 8))
589026e0d1SMaxime Ripard
599026e0d1SMaxime Ripard #define SUN4I_BACKEND_REGBUFFCTL_REG 0x870
609026e0d1SMaxime Ripard #define SUN4I_BACKEND_REGBUFFCTL_AUTOLOAD_DIS BIT(1)
619026e0d1SMaxime Ripard #define SUN4I_BACKEND_REGBUFFCTL_LOADCTL BIT(0)
629026e0d1SMaxime Ripard
639026e0d1SMaxime Ripard #define SUN4I_BACKEND_CKMAX_REG 0x880
649026e0d1SMaxime Ripard #define SUN4I_BACKEND_CKMIN_REG 0x884
659026e0d1SMaxime Ripard #define SUN4I_BACKEND_CKCFG_REG 0x888
669026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0(l) (0x890 + (0x4 * (l)))
67d99008aaSMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_MASK GENMASK(31, 24)
68d99008aaSMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA(x) ((x) << 24)
699026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL_MASK BIT(15)
709026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(x) ((x) << 15)
719026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL_MASK GENMASK(11, 10)
729026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL(x) ((x) << 10)
73ddc389f5SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_YUVEN BIT(2)
74ca07b210SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_VDOEN BIT(1)
75d99008aaSMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_EN BIT(0)
769026e0d1SMaxime Ripard
779026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG1(l) (0x8a0 + (0x4 * (l)))
789026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG1_LAY_HSCAFCT GENMASK(15, 14)
799026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG1_LAY_WSCAFCT GENMASK(13, 12)
809026e0d1SMaxime Ripard #define SUN4I_BACKEND_ATTCTL_REG1_LAY_FBFMT GENMASK(11, 8)
819026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_1BPP (0 << 8)
829026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_2BPP (1 << 8)
839026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_4BPP (2 << 8)
849026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_8BPP (3 << 8)
859026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_RGB655 (4 << 8)
869026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_RGB565 (5 << 8)
879026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_RGB556 (6 << 8)
889026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_ARGB1555 (7 << 8)
899026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_RGBA5551 (8 << 8)
909026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_XRGB8888 (9 << 8)
919026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_ARGB8888 (10 << 8)
929026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_RGB888 (11 << 8)
939026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_ARGB4444 (12 << 8)
949026e0d1SMaxime Ripard #define SUN4I_BACKEND_LAY_FBFMT_RGBA4444 (13 << 8)
959026e0d1SMaxime Ripard
969026e0d1SMaxime Ripard #define SUN4I_BACKEND_DLCDPCTL_REG 0x8b0
979026e0d1SMaxime Ripard #define SUN4I_BACKEND_DLCDPFRMBUF_ADDRCTL_REG 0x8b4
989026e0d1SMaxime Ripard #define SUN4I_BACKEND_DLCDPCOOR_REG0 0x8b8
999026e0d1SMaxime Ripard #define SUN4I_BACKEND_DLCDPCOOR_REG1 0x8bc
1009026e0d1SMaxime Ripard
1019026e0d1SMaxime Ripard #define SUN4I_BACKEND_INT_EN_REG 0x8c0
1029026e0d1SMaxime Ripard #define SUN4I_BACKEND_INT_FLAG_REG 0x8c4
1039026e0d1SMaxime Ripard #define SUN4I_BACKEND_REG_LOAD_FINISHED BIT(1)
1049026e0d1SMaxime Ripard
1059026e0d1SMaxime Ripard #define SUN4I_BACKEND_HWCCTL_REG 0x8d8
1069026e0d1SMaxime Ripard #define SUN4I_BACKEND_HWCFBCTL_REG 0x8e0
1079026e0d1SMaxime Ripard #define SUN4I_BACKEND_WBCTL_REG 0x8f0
1089026e0d1SMaxime Ripard #define SUN4I_BACKEND_WBADD_REG 0x8f4
1099026e0d1SMaxime Ripard #define SUN4I_BACKEND_WBLINEWIDTH_REG 0x8f8
1109026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPREN_REG 0x900
1119026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPRFMTCTL_REG 0x908
1129026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPRALPHACTL_REG 0x90c
113ddc389f5SMaxime Ripard
1149026e0d1SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_REG 0x920
115ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBFMT_MASK GENMASK(14, 12)
116ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV444 (4 << 12)
117ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV422 (3 << 12)
118ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV444 (2 << 12)
119ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV222 (1 << 12)
120ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV111 (0 << 12)
121ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBPS_MASK GENMASK(9, 8)
122ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBPS_YVYU (3 << 8)
123ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBPS_VYUY (2 << 8)
124ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBPS_YUYV (1 << 8)
125ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBPS_UYVY (0 << 8)
126ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBPS_VUYA (1 << 8)
127ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_FBPS_AYUV (0 << 8)
128ddc389f5SMaxime Ripard #define SUN4I_BACKEND_IYUVCTL_EN BIT(0)
129ddc389f5SMaxime Ripard
1309026e0d1SMaxime Ripard #define SUN4I_BACKEND_IYUVADD_REG(c) (0x930 + (0x4 * (c)))
1311184e09eSMaxime Ripard
1321184e09eSMaxime Ripard #define SUN4I_BACKEND_IYUVLINEWIDTH_REG(c) (0x940 + (0x4 * (c)))
1331184e09eSMaxime Ripard
1349026e0d1SMaxime Ripard #define SUN4I_BACKEND_YGCOEF_REG(c) (0x950 + (0x4 * (c)))
1359026e0d1SMaxime Ripard #define SUN4I_BACKEND_YGCONS_REG 0x95c
1369026e0d1SMaxime Ripard #define SUN4I_BACKEND_URCOEF_REG(c) (0x960 + (0x4 * (c)))
1379026e0d1SMaxime Ripard #define SUN4I_BACKEND_URCONS_REG 0x96c
1389026e0d1SMaxime Ripard #define SUN4I_BACKEND_VBCOEF_REG(c) (0x970 + (0x4 * (c)))
1399026e0d1SMaxime Ripard #define SUN4I_BACKEND_VBCONS_REG 0x97c
1409026e0d1SMaxime Ripard #define SUN4I_BACKEND_KSCTL_REG 0x980
1419026e0d1SMaxime Ripard #define SUN4I_BACKEND_KSBKCOLOR_REG 0x984
1429026e0d1SMaxime Ripard #define SUN4I_BACKEND_KSFSTLINEWIDTH_REG 0x988
1439026e0d1SMaxime Ripard #define SUN4I_BACKEND_KSVSCAFCT_REG 0x98c
1449026e0d1SMaxime Ripard #define SUN4I_BACKEND_KSHSCACOEF_REG(x) (0x9a0 + (0x4 * (x)))
1459026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCCTL_REG 0x9c0
1469026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCCTL_ENABLE BIT(0)
1479026e0d1SMaxime Ripard
1489026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCRCOEF_REG(x) (0x9d0 + (0x4 * (x)))
1499026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCRCONS_REG 0x9dc
1509026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCGCOEF_REG(x) (0x9e0 + (0x4 * (x)))
1519026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCGCONS_REG 0x9ec
1529026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCBCOEF_REG(x) (0x9f0 + (0x4 * (x)))
1539026e0d1SMaxime Ripard #define SUN4I_BACKEND_OCBCONS_REG 0x9fc
1549026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPRCOORCTL_REG(s) (0xa00 + (0x4 * (s)))
1559026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPRATTCTL_REG(s) (0xb00 + (0x4 * (s)))
1569026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPRADD_REG(s) (0xc00 + (0x4 * (s)))
1579026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPRLINEWIDTH_REG(s) (0xd00 + (0x4 * (s)))
1589026e0d1SMaxime Ripard
1599026e0d1SMaxime Ripard #define SUN4I_BACKEND_SPRPALTAB_OFF 0x4000
1609026e0d1SMaxime Ripard #define SUN4I_BACKEND_GAMMATAB_OFF 0x4400
1619026e0d1SMaxime Ripard #define SUN4I_BACKEND_HWCPATTERN_OFF 0x4800
1629026e0d1SMaxime Ripard #define SUN4I_BACKEND_HWCCOLORTAB_OFF 0x4c00
1639026e0d1SMaxime Ripard #define SUN4I_BACKEND_PIPE_OFF(p) (0x5000 + (0x400 * (p)))
1649026e0d1SMaxime Ripard
16565f7fa3aSMaxime Ripard #define SUN4I_BACKEND_NUM_LAYERS 4
16696180ddeSMaxime Ripard #define SUN4I_BACKEND_NUM_FRONTEND_LAYERS 1
16732463556SMaxime Ripard #define SUN4I_BACKEND_NUM_YUV_PLANES 1
16896180ddeSMaxime Ripard
1699026e0d1SMaxime Ripard struct sun4i_backend {
17087969338SIcenowy Zheng struct sunxi_engine engine;
171ca07b210SMaxime Ripard struct sun4i_frontend *frontend;
1729026e0d1SMaxime Ripard
1739026e0d1SMaxime Ripard struct reset_control *reset;
1749026e0d1SMaxime Ripard
1759026e0d1SMaxime Ripard struct clk *bus_clk;
1769026e0d1SMaxime Ripard struct clk *mod_clk;
1779026e0d1SMaxime Ripard struct clk *ram_clk;
178440d2c7bSMaxime Ripard
179440d2c7bSMaxime Ripard struct clk *sat_clk;
180440d2c7bSMaxime Ripard struct reset_control *sat_reset;
181ca07b210SMaxime Ripard
182ca07b210SMaxime Ripard /* Protects against races in the frontend teardown */
183ca07b210SMaxime Ripard spinlock_t frontend_lock;
184ca07b210SMaxime Ripard bool frontend_teardown;
185e527cd9eSPaul Kocialkowski
186e527cd9eSPaul Kocialkowski const struct sun4i_backend_quirks *quirks;
1879026e0d1SMaxime Ripard };
1889026e0d1SMaxime Ripard
18987969338SIcenowy Zheng static inline struct sun4i_backend *
engine_to_sun4i_backend(struct sunxi_engine * engine)19087969338SIcenowy Zheng engine_to_sun4i_backend(struct sunxi_engine *engine)
19187969338SIcenowy Zheng {
19287969338SIcenowy Zheng return container_of(engine, struct sun4i_backend, engine);
19387969338SIcenowy Zheng }
1949026e0d1SMaxime Ripard
1959026e0d1SMaxime Ripard void sun4i_backend_layer_enable(struct sun4i_backend *backend,
1969026e0d1SMaxime Ripard int layer, bool enable);
19702a3ce3cSPaul Kocialkowski bool sun4i_backend_format_is_supported(uint32_t fmt, uint64_t modifier);
1989026e0d1SMaxime Ripard int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,
1999026e0d1SMaxime Ripard int layer, struct drm_plane *plane);
2009026e0d1SMaxime Ripard int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
2019026e0d1SMaxime Ripard int layer, struct drm_plane *plane);
2029026e0d1SMaxime Ripard int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
2039026e0d1SMaxime Ripard int layer, struct drm_plane *plane);
204ca07b210SMaxime Ripard int sun4i_backend_update_layer_frontend(struct sun4i_backend *backend,
205ca07b210SMaxime Ripard int layer, uint32_t in_fmt);
20647a05f4aSMaxime Ripard int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend,
20747a05f4aSMaxime Ripard int layer, struct drm_plane *plane);
208686d2638SPaul Kocialkowski void sun4i_backend_cleanup_layer(struct sun4i_backend *backend,
209686d2638SPaul Kocialkowski int layer);
2109026e0d1SMaxime Ripard
2119026e0d1SMaxime Ripard #endif /* _SUN4I_BACKEND_H_ */
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