Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | // SPDX-License-Identifier: GPL-2.0-or-later /* * Coda multi-standard codec IP * * Copyright (C) 2014 Philipp Zabel, Pengutronix */ #include <linux/bitops.h> #include "coda.h" #define XY2_INVERT BIT(7) #define XY2_ZERO BIT(6) #define XY2_TB_XOR BIT(5) #define XY2_XYSEL BIT(4) #define XY2_Y (1 << 4) #define XY2_X (0 << 4) #define XY2(luma_sel, luma_bit, chroma_sel, chroma_bit) \ (((XY2_##luma_sel) | (luma_bit)) << 8 | \ (XY2_##chroma_sel) | (chroma_bit)) static const u16 xy2ca_zero_map[16] = { XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), }; static const u16 xy2ca_tiled_map[16] = { XY2(Y, 0, Y, 0), XY2(Y, 1, Y, 1), XY2(Y, 2, Y, 2), XY2(Y, 3, X, 3), XY2(X, 3, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), XY2(ZERO, 0, ZERO, 0), }; /* * RA[15:0], CA[15:8] are hardwired to contain the 24-bit macroblock * start offset (macroblock size is 16x16 for luma, 16x8 for chroma). * Bits CA[4:0] are set using XY2CA above. BA[3:0] seems to be unused. */ #define RBC_CA (0 << 4) #define RBC_BA (1 << 4) #define RBC_RA (2 << 4) #define RBC_ZERO (3 << 4) #define RBC(luma_sel, luma_bit, chroma_sel, chroma_bit) \ (((RBC_##luma_sel) | (luma_bit)) << 6 | \ (RBC_##chroma_sel) | (chroma_bit)) static const u16 rbc2axi_tiled_map[32] = { RBC(ZERO, 0, ZERO, 0), RBC(ZERO, 0, ZERO, 0), RBC(ZERO, 0, ZERO, 0), RBC(CA, 0, CA, 0), RBC(CA, 1, CA, 1), RBC(CA, 2, CA, 2), RBC(CA, 3, CA, 3), RBC(CA, 4, CA, 8), RBC(CA, 8, CA, 9), RBC(CA, 9, CA, 10), RBC(CA, 10, CA, 11), RBC(CA, 11, CA, 12), RBC(CA, 12, CA, 13), RBC(CA, 13, CA, 14), RBC(CA, 14, CA, 15), RBC(CA, 15, RA, 0), RBC(RA, 0, RA, 1), RBC(RA, 1, RA, 2), RBC(RA, 2, RA, 3), RBC(RA, 3, RA, 4), RBC(RA, 4, RA, 5), RBC(RA, 5, RA, 6), RBC(RA, 6, RA, 7), RBC(RA, 7, RA, 8), RBC(RA, 8, RA, 9), RBC(RA, 9, RA, 10), RBC(RA, 10, RA, 11), RBC(RA, 11, RA, 12), RBC(RA, 12, RA, 13), RBC(RA, 13, RA, 14), RBC(RA, 14, RA, 15), RBC(RA, 15, ZERO, 0), }; void coda_set_gdi_regs(struct coda_ctx *ctx) { struct coda_dev *dev = ctx->dev; const u16 *xy2ca_map; u32 xy2rbc_config; int i; switch (ctx->tiled_map_type) { case GDI_LINEAR_FRAME_MAP: default: xy2ca_map = xy2ca_zero_map; xy2rbc_config = 0; break; case GDI_TILED_FRAME_MB_RASTER_MAP: xy2ca_map = xy2ca_tiled_map; xy2rbc_config = CODA9_XY2RBC_TILED_MAP | CODA9_XY2RBC_CA_INC_HOR | (16 - 1) << 12 | (8 - 1) << 4; break; } for (i = 0; i < 16; i++) coda_write(dev, xy2ca_map[i], CODA9_GDI_XY2_CAS_0 + 4 * i); for (i = 0; i < 4; i++) coda_write(dev, XY2(ZERO, 0, ZERO, 0), CODA9_GDI_XY2_BA_0 + 4 * i); for (i = 0; i < 16; i++) coda_write(dev, XY2(ZERO, 0, ZERO, 0), CODA9_GDI_XY2_RAS_0 + 4 * i); coda_write(dev, xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG); if (xy2rbc_config) { for (i = 0; i < 32; i++) coda_write(dev, rbc2axi_tiled_map[i], CODA9_GDI_RBC2_AXI_0 + 4 * i); } } |