1 /* 2 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 */ 9 10 #ifndef _SUN8I_MIXER_H_ 11 #define _SUN8I_MIXER_H_ 12 13 #include <linux/clk.h> 14 #include <linux/regmap.h> 15 #include <linux/reset.h> 16 17 #include "sunxi_engine.h" 18 19 #define SUN8I_MIXER_MAX_CHAN_COUNT 4 20 21 #define SUN8I_MIXER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1)) 22 #define SUN8I_MIXER_COORD(x, y) ((y) << 16 | (x)) 23 24 #define SUN8I_MIXER_GLOBAL_CTL 0x0 25 #define SUN8I_MIXER_GLOBAL_STATUS 0x4 26 #define SUN8I_MIXER_GLOBAL_DBUFF 0x8 27 #define SUN8I_MIXER_GLOBAL_SIZE 0xc 28 29 #define SUN8I_MIXER_GLOBAL_CTL_RT_EN 0x1 30 31 #define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE 0x1 32 33 #define SUN8I_MIXER_BLEND_FCOLOR_CTL 0x1000 34 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR(x) (0x1004 + 0x10 * (x) + 0x0) 35 #define SUN8I_MIXER_BLEND_ATTR_INSIZE(x) (0x1004 + 0x10 * (x) + 0x4) 36 #define SUN8I_MIXER_BLEND_ATTR_OFFSET(x) (0x1004 + 0x10 * (x) + 0x8) 37 #define SUN8I_MIXER_BLEND_ROUTE 0x1080 38 #define SUN8I_MIXER_BLEND_PREMULTIPLY 0x1084 39 #define SUN8I_MIXER_BLEND_BKCOLOR 0x1088 40 #define SUN8I_MIXER_BLEND_OUTSIZE 0x108c 41 #define SUN8I_MIXER_BLEND_MODE(x) (0x1090 + 0x04 * (x)) 42 #define SUN8I_MIXER_BLEND_CK_CTL 0x10b0 43 #define SUN8I_MIXER_BLEND_CK_CFG 0x10b4 44 #define SUN8I_MIXER_BLEND_CK_MAX(x) (0x10c0 + 0x04 * (x)) 45 #define SUN8I_MIXER_BLEND_CK_MIN(x) (0x10e0 + 0x04 * (x)) 46 #define SUN8I_MIXER_BLEND_OUTCTL 0x10fc 47 48 /* The following numbers are some still unknown magic numbers */ 49 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR_DEF 0xff000000 50 #define SUN8I_MIXER_BLEND_FCOLOR_CTL_DEF 0x00000101 51 #define SUN8I_MIXER_BLEND_PREMULTIPLY_DEF 0x0 52 #define SUN8I_MIXER_BLEND_BKCOLOR_DEF 0xff000000 53 #define SUN8I_MIXER_BLEND_MODE_DEF 0x03010301 54 #define SUN8I_MIXER_BLEND_CK_CTL_DEF 0x0 55 56 #define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED BIT(1) 57 58 /* 59 * VI channels are not used now, but the support of them may be introduced in 60 * the future. 61 */ 62 63 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch, layer) \ 64 (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x0) 65 #define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(ch, layer) \ 66 (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x4) 67 #define SUN8I_MIXER_CHAN_UI_LAYER_COORD(ch, layer) \ 68 (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x8) 69 #define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(ch, layer) \ 70 (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0xc) 71 #define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(ch, layer) \ 72 (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x10) 73 #define SUN8I_MIXER_CHAN_UI_LAYER_BOT_LADDR(ch, layer) \ 74 (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x14) 75 #define SUN8I_MIXER_CHAN_UI_LAYER_FCOLOR(ch, layer) \ 76 (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x18) 77 #define SUN8I_MIXER_CHAN_UI_TOP_HADDR(ch) (0x2000 + 0x1000 * (ch) + 0x80) 78 #define SUN8I_MIXER_CHAN_UI_BOT_HADDR(ch) (0x2000 + 0x1000 * (ch) + 0x84) 79 #define SUN8I_MIXER_CHAN_UI_OVL_SIZE(ch) (0x2000 + 0x1000 * (ch) + 0x88) 80 81 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN BIT(0) 82 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK GENMASK(2, 1) 83 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK GENMASK(11, 8) 84 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK GENMASK(31, 24) 85 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_DEF (1 << 1) 86 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_ARGB8888 (0 << 8) 87 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_XRGB8888 (4 << 8) 88 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_RGB888 (8 << 8) 89 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_DEF (0xff << 24) 90 91 /* 92 * These sub-engines are still unknown now, the EN registers are here only to 93 * be used to disable these sub-engines. 94 */ 95 #define SUN8I_MIXER_VSU_EN 0x20000 96 #define SUN8I_MIXER_GSU1_EN 0x30000 97 #define SUN8I_MIXER_GSU2_EN 0x40000 98 #define SUN8I_MIXER_GSU3_EN 0x50000 99 #define SUN8I_MIXER_FCE_EN 0xa0000 100 #define SUN8I_MIXER_BWS_EN 0xa2000 101 #define SUN8I_MIXER_LTI_EN 0xa4000 102 #define SUN8I_MIXER_PEAK_EN 0xa6000 103 #define SUN8I_MIXER_ASE_EN 0xa8000 104 #define SUN8I_MIXER_FCC_EN 0xaa000 105 #define SUN8I_MIXER_DCSC_EN 0xb0000 106 107 struct sun8i_mixer_cfg { 108 int vi_num; 109 int ui_num; 110 }; 111 112 struct sun8i_mixer { 113 struct sunxi_engine engine; 114 115 const struct sun8i_mixer_cfg *cfg; 116 117 struct reset_control *reset; 118 119 struct clk *bus_clk; 120 struct clk *mod_clk; 121 }; 122 123 static inline struct sun8i_mixer * 124 engine_to_sun8i_mixer(struct sunxi_engine *engine) 125 { 126 return container_of(engine, struct sun8i_mixer, engine); 127 } 128 129 void sun8i_mixer_layer_enable(struct sun8i_mixer *mixer, 130 int layer, bool enable); 131 int sun8i_mixer_update_layer_coord(struct sun8i_mixer *mixer, 132 int layer, struct drm_plane *plane); 133 int sun8i_mixer_update_layer_formats(struct sun8i_mixer *mixer, 134 int layer, struct drm_plane *plane); 135 int sun8i_mixer_update_layer_buffer(struct sun8i_mixer *mixer, 136 int layer, struct drm_plane *plane); 137 #endif /* _SUN8I_MIXER_H_ */ 138