projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a269e53b PZ |
1 | /* |
| 2 | * Coda multi-standard codec IP | |
| 3 | * | |
| 4 | * Copyright (C) 2014 Philipp Zabel, Pengutronix | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/bitops.h> | |
| 13 | #include "coda.h" | |
| 14 | ||
| 15 | #define XY2_INVERT BIT(7) | |
| 16 | #define XY2_ZERO BIT(6) | |
| 17 | #define XY2_TB_XOR BIT(5) | |
| 18 | #define XY2_XYSEL BIT(4) | |
| 19 | #define XY2_Y (1 << 4) | |
| 20 | #define XY2_X (0 << 4) | |
| 21 | ||
| 22 | #define XY2(luma_sel, luma_bit, chroma_sel, chroma_bit) \ | |
| 23 | (((XY2_##luma_sel) | (luma_bit)) << 8 | \ | |
| 24 | (XY2_##chroma_sel) | (chroma_bit)) | |
| 25 | ||
| 26 | static const u16 xy2ca_zero_map[16] = { | |
| 27 | XY2(ZERO, 0, ZERO, 0), | |
| 28 | XY2(ZERO, 0, ZERO, 0), | |
| 29 | XY2(ZERO, 0, ZERO, 0), | |
| 30 | XY2(ZERO, 0, ZERO, 0), | |
| 31 | XY2(ZERO, 0, ZERO, 0), | |
| 32 | XY2(ZERO, 0, ZERO, 0), | |
| 33 | XY2(ZERO, 0, ZERO, 0), | |
| 34 | XY2(ZERO, 0, ZERO, 0), | |
| 35 | XY2(ZERO, 0, ZERO, 0), | |
| 36 | XY2(ZERO, 0, ZERO, 0), | |
| 37 | XY2(ZERO, 0, ZERO, 0), | |
| 38 | XY2(ZERO, 0, ZERO, 0), | |
| 39 | XY2(ZERO, 0, ZERO, 0), | |
| 40 | XY2(ZERO, 0, ZERO, 0), | |
| 41 | XY2(ZERO, 0, ZERO, 0), | |
| 42 | XY2(ZERO, 0, ZERO, 0), | |
| 43 | }; | |
| 44 | ||
| 45 | static const u16 xy2ca_tiled_map[16] = { | |
| 46 | XY2(Y, 0, Y, 0), | |
| 47 | XY2(Y, 1, Y, 1), | |
| 48 | XY2(Y, 2, Y, 2), | |
| 49 | XY2(Y, 3, X, 3), | |
| 50 | XY2(X, 3, ZERO, 0), | |
| 51 | XY2(ZERO, 0, ZERO, 0), | |
| 52 | XY2(ZERO, 0, ZERO, 0), | |
| 53 | XY2(ZERO, 0, ZERO, 0), | |
| 54 | XY2(ZERO, 0, ZERO, 0), | |
| 55 | XY2(ZERO, 0, ZERO, 0), | |
| 56 | XY2(ZERO, 0, ZERO, 0), | |
| 57 | XY2(ZERO, 0, ZERO, 0), | |
| 58 | XY2(ZERO, 0, ZERO, 0), | |
| 59 | XY2(ZERO, 0, ZERO, 0), | |
| 60 | XY2(ZERO, 0, ZERO, 0), | |
| 61 | XY2(ZERO, 0, ZERO, 0), | |
| 62 | }; | |
| 63 | ||
| 64 | /* | |
| 65 | * RA[15:0], CA[15:8] are hardwired to contain the 24-bit macroblock | |
| 66 | * start offset (macroblock size is 16x16 for luma, 16x8 for chroma). | |
| 67 | * Bits CA[4:0] are set using XY2CA above. BA[3:0] seems to be unused. | |
| 68 | */ | |
| 69 | ||
| 70 | #define RBC_CA (0 << 4) | |
| 71 | #define RBC_BA (1 << 4) | |
| 72 | #define RBC_RA (2 << 4) | |
| 73 | #define RBC_ZERO (3 << 4) | |
| 74 | ||
| 75 | #define RBC(luma_sel, luma_bit, chroma_sel, chroma_bit) \ | |
| 76 | (((RBC_##luma_sel) | (luma_bit)) << 6 | \ | |
| 77 | (RBC_##chroma_sel) | (chroma_bit)) | |
| 78 | ||
| 79 | static const u16 rbc2axi_tiled_map[32] = { | |
| 80 | RBC(ZERO, 0, ZERO, 0), | |
| 81 | RBC(ZERO, 0, ZERO, 0), | |
| 82 | RBC(ZERO, 0, ZERO, 0), | |
| 83 | RBC(CA, 0, CA, 0), | |
| 84 | RBC(CA, 1, CA, 1), | |
| 85 | RBC(CA, 2, CA, 2), | |
| 86 | RBC(CA, 3, CA, 3), | |
| 87 | RBC(CA, 4, CA, 8), | |
| 88 | RBC(CA, 8, CA, 9), | |
| 89 | RBC(CA, 9, CA, 10), | |
| 90 | RBC(CA, 10, CA, 11), | |
| 91 | RBC(CA, 11, CA, 12), | |
| 92 | RBC(CA, 12, CA, 13), | |
| 93 | RBC(CA, 13, CA, 14), | |
| 94 | RBC(CA, 14, CA, 15), | |
| 95 | RBC(CA, 15, RA, 0), | |
| 96 | RBC(RA, 0, RA, 1), | |
| 97 | RBC(RA, 1, RA, 2), | |
| 98 | RBC(RA, 2, RA, 3), | |
| 99 | RBC(RA, 3, RA, 4), | |
| 100 | RBC(RA, 4, RA, 5), | |
| 101 | RBC(RA, 5, RA, 6), | |
| 102 | RBC(RA, 6, RA, 7), | |
| 103 | RBC(RA, 7, RA, 8), | |
| 104 | RBC(RA, 8, RA, 9), | |
| 105 | RBC(RA, 9, RA, 10), | |
| 106 | RBC(RA, 10, RA, 11), | |
| 107 | RBC(RA, 11, RA, 12), | |
| 108 | RBC(RA, 12, RA, 13), | |
| 109 | RBC(RA, 13, RA, 14), | |
| 110 | RBC(RA, 14, RA, 15), | |
| 111 | RBC(RA, 15, ZERO, 0), | |
| 112 | }; | |
| 113 | ||
| 114 | void coda_set_gdi_regs(struct coda_ctx *ctx) | |
| 115 | { | |
| 116 | struct coda_dev *dev = ctx->dev; | |
| 117 | const u16 *xy2ca_map; | |
| 118 | u32 xy2rbc_config; | |
| 119 | int i; | |
| 120 | ||
| 121 | switch (ctx->tiled_map_type) { | |
| 122 | case GDI_LINEAR_FRAME_MAP: | |
| 123 | default: | |
| 124 | xy2ca_map = xy2ca_zero_map; | |
| 125 | xy2rbc_config = 0; | |
| 126 | break; | |
| 127 | case GDI_TILED_FRAME_MB_RASTER_MAP: | |
| 128 | xy2ca_map = xy2ca_tiled_map; | |
| 129 | xy2rbc_config = CODA9_XY2RBC_TILED_MAP | | |
| 130 | CODA9_XY2RBC_CA_INC_HOR | | |
| 131 | (16 - 1) << 12 | (8 - 1) << 4; | |
| 132 | break; | |
| 133 | } | |
| 134 | ||
| 135 | for (i = 0; i < 16; i++) | |
| 136 | coda_write(dev, xy2ca_map[i], | |
| 137 | CODA9_GDI_XY2_CAS_0 + 4 * i); | |
| 138 | for (i = 0; i < 4; i++) | |
| 139 | coda_write(dev, XY2(ZERO, 0, ZERO, 0), | |
| 140 | CODA9_GDI_XY2_BA_0 + 4 * i); | |
| 141 | for (i = 0; i < 16; i++) | |
| 142 | coda_write(dev, XY2(ZERO, 0, ZERO, 0), | |
| 143 | CODA9_GDI_XY2_RAS_0 + 4 * i); | |
| 144 | coda_write(dev, xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG); | |
| 145 | if (xy2rbc_config) { | |
| 146 | for (i = 0; i < 32; i++) | |
| 147 | coda_write(dev, rbc2axi_tiled_map[i], | |
| 148 | CODA9_GDI_RBC2_AXI_0 + 4 * i); | |
| 149 | } | |
| 150 | } |