1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017 Free Electrons 4 * Maxime Ripard <maxime.ripard@free-electrons.com> 5 */ 6 7 #ifndef _SUN4I_FRONTEND_H_ 8 #define _SUN4I_FRONTEND_H_ 9 10 #include <linux/list.h> 11 #include <linux/mod_devicetable.h> 12 13 #define SUN4I_FRONTEND_EN_REG 0x000 14 #define SUN4I_FRONTEND_EN_EN BIT(0) 15 16 #define SUN4I_FRONTEND_FRM_CTRL_REG 0x004 17 #define SUN4I_FRONTEND_FRM_CTRL_COEF_ACCESS_CTRL BIT(23) 18 #define SUN4I_FRONTEND_FRM_CTRL_FRM_START BIT(16) 19 #define SUN4I_FRONTEND_FRM_CTRL_COEF_RDY BIT(1) 20 #define SUN4I_FRONTEND_FRM_CTRL_REG_RDY BIT(0) 21 22 #define SUN4I_FRONTEND_BYPASS_REG 0x008 23 #define SUN4I_FRONTEND_BYPASS_CSC_EN BIT(1) 24 25 #define SUN4I_FRONTEND_BUF_ADDR0_REG 0x020 26 #define SUN4I_FRONTEND_BUF_ADDR1_REG 0x024 27 #define SUN4I_FRONTEND_BUF_ADDR2_REG 0x028 28 29 #define SUN4I_FRONTEND_TB_OFF0_REG 0x030 30 #define SUN4I_FRONTEND_TB_OFF1_REG 0x034 31 #define SUN4I_FRONTEND_TB_OFF2_REG 0x038 32 #define SUN4I_FRONTEND_TB_OFF_X1(x1) ((x1) << 16) 33 #define SUN4I_FRONTEND_TB_OFF_Y0(y0) ((y0) << 8) 34 #define SUN4I_FRONTEND_TB_OFF_X0(x0) (x0) 35 36 #define SUN4I_FRONTEND_LINESTRD0_REG 0x040 37 #define SUN4I_FRONTEND_LINESTRD1_REG 0x044 38 #define SUN4I_FRONTEND_LINESTRD2_REG 0x048 39 40 /* 41 * In tiled mode, the stride is defined as the distance between the start of the 42 * end line of the current tile and the start of the first line in the next 43 * vertical tile. 44 * 45 * Tiles are represented in row-major order, thus the end line of current tile 46 * starts at: 31 * 32 (31 lines of 32 cols), the next vertical tile starts at: 47 * 32-bit-aligned-width * 32 and the distance is: 48 * 32 * (32-bit-aligned-width - 31). 49 */ 50 #define SUN4I_FRONTEND_LINESTRD_TILED(stride) (((stride) - 31) * 32) 51 52 #define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c 53 #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PLANAR (0 << 8) 54 #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED (1 << 8) 55 #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_SEMIPLANAR (2 << 8) 56 #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_MB32_PLANAR (4 << 8) 57 #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_MB32_SEMIPLANAR (6 << 8) 58 #define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV444 (0 << 4) 59 #define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV422 (1 << 4) 60 #define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV420 (2 << 4) 61 #define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV411 (3 << 4) 62 #define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB (5 << 4) 63 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UYVY 0 64 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YUYV 1 65 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VYUY 2 66 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YVYU 3 67 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UV 0 68 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VU 1 69 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX 0 70 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB 1 71 72 #define SUN4I_FRONTEND_OUTPUT_FMT_REG 0x05c 73 #define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_BGRX8888 1 74 #define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888 2 75 76 #define SUN4I_FRONTEND_CSC_COEF_REG(c) (0x070 + (0x4 * (c))) 77 78 #define SUN4I_FRONTEND_CH0_INSIZE_REG 0x100 79 #define SUN4I_FRONTEND_INSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1))) 80 81 #define SUN4I_FRONTEND_CH0_OUTSIZE_REG 0x104 82 #define SUN4I_FRONTEND_OUTSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1))) 83 84 #define SUN4I_FRONTEND_CH0_HORZFACT_REG 0x108 85 #define SUN4I_FRONTEND_HORZFACT(i, f) (((i) << 16) | (f)) 86 87 #define SUN4I_FRONTEND_CH0_VERTFACT_REG 0x10c 88 #define SUN4I_FRONTEND_VERTFACT(i, f) (((i) << 16) | (f)) 89 90 #define SUN4I_FRONTEND_CH0_HORZPHASE_REG 0x110 91 #define SUN4I_FRONTEND_CH0_VERTPHASE0_REG 0x114 92 #define SUN4I_FRONTEND_CH0_VERTPHASE1_REG 0x118 93 94 #define SUN4I_FRONTEND_CH1_INSIZE_REG 0x200 95 #define SUN4I_FRONTEND_CH1_OUTSIZE_REG 0x204 96 #define SUN4I_FRONTEND_CH1_HORZFACT_REG 0x208 97 #define SUN4I_FRONTEND_CH1_VERTFACT_REG 0x20c 98 99 #define SUN4I_FRONTEND_CH1_HORZPHASE_REG 0x210 100 #define SUN4I_FRONTEND_CH1_VERTPHASE0_REG 0x214 101 #define SUN4I_FRONTEND_CH1_VERTPHASE1_REG 0x218 102 103 #define SUN4I_FRONTEND_CH0_HORZCOEF0_REG(i) (0x400 + i * 4) 104 #define SUN4I_FRONTEND_CH0_HORZCOEF1_REG(i) (0x480 + i * 4) 105 #define SUN4I_FRONTEND_CH0_VERTCOEF_REG(i) (0x500 + i * 4) 106 #define SUN4I_FRONTEND_CH1_HORZCOEF0_REG(i) (0x600 + i * 4) 107 #define SUN4I_FRONTEND_CH1_HORZCOEF1_REG(i) (0x680 + i * 4) 108 #define SUN4I_FRONTEND_CH1_VERTCOEF_REG(i) (0x700 + i * 4) 109 110 struct clk; 111 struct device_node; 112 struct drm_plane; 113 struct regmap; 114 struct reset_control; 115 116 struct sun4i_frontend_data { 117 bool has_coef_access_ctrl; 118 bool has_coef_rdy; 119 u32 ch_phase[2]; 120 }; 121 122 struct sun4i_frontend { 123 struct list_head list; 124 struct device *dev; 125 struct device_node *node; 126 127 struct clk *bus_clk; 128 struct clk *mod_clk; 129 struct clk *ram_clk; 130 struct regmap *regs; 131 struct reset_control *reset; 132 133 const struct sun4i_frontend_data *data; 134 }; 135 136 extern const struct of_device_id sun4i_frontend_of_table[]; 137 extern const u32 sunxi_bt601_yuv2rgb_coef[12]; 138 139 int sun4i_frontend_init(struct sun4i_frontend *frontend); 140 void sun4i_frontend_exit(struct sun4i_frontend *frontend); 141 int sun4i_frontend_enable(struct sun4i_frontend *frontend); 142 143 void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend, 144 struct drm_plane *plane); 145 void sun4i_frontend_update_coord(struct sun4i_frontend *frontend, 146 struct drm_plane *plane); 147 int sun4i_frontend_update_formats(struct sun4i_frontend *frontend, 148 struct drm_plane *plane, uint32_t out_fmt); 149 bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier); 150 151 #endif /* _SUN4I_FRONTEND_H_ */ 152