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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 | // SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2014 MediaTek Inc. * Author: James Liao <jamesjj.liao@mediatek.com> */ #include <linux/device.h> #include <linux/io.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/soc/mediatek/mtk-mmsys.h> #define DISP_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040 #define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044 #define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048 #define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c #define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050 #define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084 #define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088 #define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4 #define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8 #define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac #define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8 #define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4 #define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8 #define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100 #define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 #define DISP_REG_CONFIG_OUT_SEL 0x04c #define DISP_REG_CONFIG_DSI_SEL 0x050 #define DISP_REG_CONFIG_DPI_SEL 0x064 #define OVL0_MOUT_EN_COLOR0 0x1 #define OD_MOUT_EN_RDMA0 0x1 #define OD1_MOUT_EN_RDMA1 BIT(16) #define UFOE_MOUT_EN_DSI0 0x1 #define COLOR0_SEL_IN_OVL0 0x1 #define OVL1_MOUT_EN_COLOR1 0x1 #define GAMMA_MOUT_EN_RDMA1 0x1 #define RDMA0_SOUT_DPI0 0x2 #define RDMA0_SOUT_DPI1 0x3 #define RDMA0_SOUT_DSI1 0x1 #define RDMA0_SOUT_DSI2 0x4 #define RDMA0_SOUT_DSI3 0x5 #define RDMA1_SOUT_DPI0 0x2 #define RDMA1_SOUT_DPI1 0x3 #define RDMA1_SOUT_DSI1 0x1 #define RDMA1_SOUT_DSI2 0x4 #define RDMA1_SOUT_DSI3 0x5 #define RDMA2_SOUT_DPI0 0x2 #define RDMA2_SOUT_DPI1 0x3 #define RDMA2_SOUT_DSI1 0x1 #define RDMA2_SOUT_DSI2 0x4 #define RDMA2_SOUT_DSI3 0x5 #define DPI0_SEL_IN_RDMA1 0x1 #define DPI0_SEL_IN_RDMA2 0x3 #define DPI1_SEL_IN_RDMA1 (0x1 << 8) #define DPI1_SEL_IN_RDMA2 (0x3 << 8) #define DSI0_SEL_IN_RDMA1 0x1 #define DSI0_SEL_IN_RDMA2 0x4 #define DSI1_SEL_IN_RDMA1 0x1 #define DSI1_SEL_IN_RDMA2 0x4 #define DSI2_SEL_IN_RDMA1 (0x1 << 16) #define DSI2_SEL_IN_RDMA2 (0x4 << 16) #define DSI3_SEL_IN_RDMA1 (0x1 << 16) #define DSI3_SEL_IN_RDMA2 (0x4 << 16) #define COLOR1_SEL_IN_OVL1 0x1 #define OVL_MOUT_EN_RDMA 0x1 #define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 #define BLS_TO_DPI_RDMA1_TO_DSI 0x2 #define DSI_SEL_IN_BLS 0x0 #define DPI_SEL_IN_BLS 0x0 #define DSI_SEL_IN_RDMA 0x1 struct mtk_mmsys_driver_data { const char *clk_driver; }; static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = { .clk_driver = "clk-mt2701-mm", }; static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { .clk_driver = "clk-mt2712-mm", }; static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = { .clk_driver = "clk-mt6779-mm", }; static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = { .clk_driver = "clk-mt6797-mm", }; static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { .clk_driver = "clk-mt8173-mm", }; static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { .clk_driver = "clk-mt8183-mm", }; static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next, unsigned int *addr) { unsigned int value; if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN; value = OVL0_MOUT_EN_COLOR0; } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) { *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN; value = OVL_MOUT_EN_RDMA; } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) { *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; value = OD_MOUT_EN_RDMA0; } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) { *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN; value = UFOE_MOUT_EN_DSI0; } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN; value = OVL1_MOUT_EN_COLOR1; } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) { *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN; value = GAMMA_MOUT_EN_RDMA1; } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) { *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; value = OD1_MOUT_EN_RDMA1; } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) { *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; value = RDMA0_SOUT_DPI0; } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) { *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; value = RDMA0_SOUT_DPI1; } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) { *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; value = RDMA0_SOUT_DSI1; } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) { *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; value = RDMA0_SOUT_DSI2; } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) { *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN; value = RDMA0_SOUT_DSI3; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) { *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; value = RDMA1_SOUT_DSI1; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) { *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; value = RDMA1_SOUT_DSI2; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) { *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; value = RDMA1_SOUT_DSI3; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) { *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; value = RDMA1_SOUT_DPI0; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) { *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN; value = RDMA1_SOUT_DPI1; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) { *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; value = RDMA2_SOUT_DPI0; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) { *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; value = RDMA2_SOUT_DPI1; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) { *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; value = RDMA2_SOUT_DSI1; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) { *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; value = RDMA2_SOUT_DSI2; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) { *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT; value = RDMA2_SOUT_DSI3; } else { value = 0; } return value; } static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next, unsigned int *addr) { unsigned int value; if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN; value = COLOR0_SEL_IN_OVL0; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) { *addr = DISP_REG_CONFIG_DPI_SEL_IN; value = DPI0_SEL_IN_RDMA1; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) { *addr = DISP_REG_CONFIG_DPI_SEL_IN; value = DPI1_SEL_IN_RDMA1; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) { *addr = DISP_REG_CONFIG_DSIE_SEL_IN; value = DSI0_SEL_IN_RDMA1; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) { *addr = DISP_REG_CONFIG_DSIO_SEL_IN; value = DSI1_SEL_IN_RDMA1; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) { *addr = DISP_REG_CONFIG_DSIE_SEL_IN; value = DSI2_SEL_IN_RDMA1; } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) { *addr = DISP_REG_CONFIG_DSIO_SEL_IN; value = DSI3_SEL_IN_RDMA1; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) { *addr = DISP_REG_CONFIG_DPI_SEL_IN; value = DPI0_SEL_IN_RDMA2; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) { *addr = DISP_REG_CONFIG_DPI_SEL_IN; value = DPI1_SEL_IN_RDMA2; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) { *addr = DISP_REG_CONFIG_DSIE_SEL_IN; value = DSI0_SEL_IN_RDMA2; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) { *addr = DISP_REG_CONFIG_DSIO_SEL_IN; value = DSI1_SEL_IN_RDMA2; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) { *addr = DISP_REG_CONFIG_DSIE_SEL_IN; value = DSI2_SEL_IN_RDMA2; } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) { *addr = DISP_REG_CONFIG_DSIE_SEL_IN; value = DSI3_SEL_IN_RDMA2; } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN; value = COLOR1_SEL_IN_OVL1; } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { *addr = DISP_REG_CONFIG_DSI_SEL; value = DSI_SEL_IN_BLS; } else { value = 0; } return value; } static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) { if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1, config_regs + DISP_REG_CONFIG_OUT_SEL); } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) { writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI, config_regs + DISP_REG_CONFIG_OUT_SEL); writel_relaxed(DSI_SEL_IN_RDMA, config_regs + DISP_REG_CONFIG_DSI_SEL); writel_relaxed(DPI_SEL_IN_BLS, config_regs + DISP_REG_CONFIG_DPI_SEL); } } void mtk_mmsys_ddp_connect(struct device *dev, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) { void __iomem *config_regs = dev_get_drvdata(dev); unsigned int addr, value, reg; value = mtk_mmsys_ddp_mout_en(cur, next, &addr); if (value) { reg = readl_relaxed(config_regs + addr) | value; writel_relaxed(reg, config_regs + addr); } mtk_mmsys_ddp_sout_sel(config_regs, cur, next); value = mtk_mmsys_ddp_sel_in(cur, next, &addr); if (value) { reg = readl_relaxed(config_regs + addr) | value; writel_relaxed(reg, config_regs + addr); } } EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect); void mtk_mmsys_ddp_disconnect(struct device *dev, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) { void __iomem *config_regs = dev_get_drvdata(dev); unsigned int addr, value, reg; value = mtk_mmsys_ddp_mout_en(cur, next, &addr); if (value) { reg = readl_relaxed(config_regs + addr) & ~value; writel_relaxed(reg, config_regs + addr); } value = mtk_mmsys_ddp_sel_in(cur, next, &addr); if (value) { reg = readl_relaxed(config_regs + addr) & ~value; writel_relaxed(reg, config_regs + addr); } } EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect); static int mtk_mmsys_probe(struct platform_device *pdev) { const struct mtk_mmsys_driver_data *data; struct device *dev = &pdev->dev; struct platform_device *clks; struct platform_device *drm; void __iomem *config_regs; int ret; config_regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(config_regs)) { ret = PTR_ERR(config_regs); dev_err(dev, "Failed to ioremap mmsys registers: %d\n", ret); return ret; } platform_set_drvdata(pdev, config_regs); data = of_device_get_match_data(&pdev->dev); clks = platform_device_register_data(&pdev->dev, data->clk_driver, PLATFORM_DEVID_AUTO, NULL, 0); if (IS_ERR(clks)) return PTR_ERR(clks); drm = platform_device_register_data(&pdev->dev, "mediatek-drm", PLATFORM_DEVID_AUTO, NULL, 0); if (IS_ERR(drm)) { platform_device_unregister(clks); return PTR_ERR(drm); } return 0; } static const struct of_device_id of_match_mtk_mmsys[] = { { .compatible = "mediatek,mt2701-mmsys", .data = &mt2701_mmsys_driver_data, }, { .compatible = "mediatek,mt2712-mmsys", .data = &mt2712_mmsys_driver_data, }, { .compatible = "mediatek,mt6779-mmsys", .data = &mt6779_mmsys_driver_data, }, { .compatible = "mediatek,mt6797-mmsys", .data = &mt6797_mmsys_driver_data, }, { .compatible = "mediatek,mt8173-mmsys", .data = &mt8173_mmsys_driver_data, }, { .compatible = "mediatek,mt8183-mmsys", .data = &mt8183_mmsys_driver_data, }, { } }; static struct platform_driver mtk_mmsys_drv = { .driver = { .name = "mtk-mmsys", .of_match_table = of_match_mtk_mmsys, }, .probe = mtk_mmsys_probe, }; builtin_platform_driver(mtk_mmsys_drv); |