drivers/interconnect/mediatek/mt8195.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2021 MediaTek Inc.
   4  * Copyright (c) 2024 Collabora Ltd.
   5  *                    AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
   6  */
   7
   8 #include <linux/device.h>
   9 #include <linux/interconnect.h>
  10 #include <linux/interconnect-provider.h>
  11 #include <linux/mod_devicetable.h>
  12 #include <linux/module.h>
  13 #include <linux/platform_device.h>
  14 #include <dt-bindings/interconnect/mediatek,mt8195.h>
  15
  16 #include "icc-emi.h"
  17
  18 static struct mtk_icc_node ddr_emi = {
  19         .name = "ddr-emi",
  20         .id = SLAVE_DDR_EMI,
  21         .ep = 1,
  22 };
  23
  24 static struct mtk_icc_node mcusys = {
  25         .name = "mcusys",
  26         .id = MASTER_MCUSYS,
  27         .ep = 0,
  28         .num_links = 1,
  29         .links = { SLAVE_DDR_EMI }
  30 };
  31
  32 static struct mtk_icc_node gpu = {
  33         .name = "gpu",
  34         .id = MASTER_GPUSYS,
  35         .ep = 0,
  36         .num_links = 1,
  37         .links = { SLAVE_DDR_EMI }
  38 };
  39
  40 static struct mtk_icc_node mmsys = {
  41         .name = "mmsys",
  42         .id = MASTER_MMSYS,
  43         .ep = 0,
  44         .num_links = 1,
  45         .links = { SLAVE_DDR_EMI }
  46 };
  47
  48 static struct mtk_icc_node mm_vpu = {
  49         .name = "mm-vpu",
  50         .id = MASTER_MM_VPU,
  51         .ep = 0,
  52         .num_links = 1,
  53         .links = { MASTER_MMSYS }
  54 };
  55
  56 static struct mtk_icc_node mm_disp = {
  57         .name = "mm-disp",
  58         .id = MASTER_MM_DISP,
  59         .ep = 0,
  60         .num_links = 1,
  61         .links = { MASTER_MMSYS }
  62 };
  63
  64 static struct mtk_icc_node mm_vdec = {
  65         .name = "mm-vdec",
  66         .id = MASTER_MM_VDEC,
  67         .ep = 0,
  68         .num_links = 1,
  69         .links = { MASTER_MMSYS }
  70 };
  71
  72 static struct mtk_icc_node mm_venc = {
  73         .name = "mm-venc",
  74         .id = MASTER_MM_VENC,
  75         .ep = 0,
  76         .num_links = 1,
  77         .links = { MASTER_MMSYS }
  78 };
  79
  80 static struct mtk_icc_node mm_cam = {
  81         .name = "mm-cam",
  82         .id = MASTER_MM_CAM,
  83         .ep = 0,
  84         .num_links = 1,
  85         .links = { MASTER_MMSYS }
  86 };
  87
  88 static struct mtk_icc_node mm_img = {
  89         .name = "mm-img",
  90         .id = MASTER_MM_IMG,
  91         .ep = 0,
  92         .num_links = 1,
  93         .links = { MASTER_MMSYS }
  94 };
  95
  96 static struct mtk_icc_node mm_mdp = {
  97         .name = "mm-mdp",
  98         .id = MASTER_MM_MDP,
  99         .ep = 0,
 100         .num_links = 1,
 101         .links = { MASTER_MMSYS }
 102 };
 103
 104 static struct mtk_icc_node vpusys = {
 105         .name = "vpusys",
 106         .id = MASTER_VPUSYS,
 107         .ep = 0,
 108         .num_links = 1,
 109         .links = { SLAVE_DDR_EMI }
 110 };
 111
 112 static struct mtk_icc_node vpu_port0 = {
 113         .name = "vpu-port0",
 114         .id = MASTER_VPU_0,
 115         .ep = 0,
 116         .num_links = 1,
 117         .links = { MASTER_VPUSYS }
 118 };
 119
 120 static struct mtk_icc_node vpu_port1 = {
 121         .name = "vpu-port1",
 122         .id = MASTER_VPU_1,
 123         .ep = 0,
 124         .num_links = 1,
 125         .links = { MASTER_VPUSYS }
 126 };
 127
 128 static struct mtk_icc_node mdlasys = {
 129         .name = "mdlasys",
 130         .id = MASTER_MDLASYS,
 131         .ep = 0,
 132         .num_links = 1,
 133         .links = { SLAVE_DDR_EMI }
 134 };
 135
 136 static struct mtk_icc_node mdla_port0 = {
 137         .name = "mdla-port0",
 138         .id = MASTER_MDLA_0,
 139         .ep = 0,
 140         .num_links = 1,
 141         .links = { MASTER_MDLASYS }
 142 };
 143
 144 static struct mtk_icc_node ufs = {
 145         .name = "ufs",
 146         .id = MASTER_UFS,
 147         .ep = 0,
 148         .num_links = 1,
 149         .links = { SLAVE_DDR_EMI }
 150 };
 151
 152 static struct mtk_icc_node pcie0 = {
 153         .name = "pcie0",
 154         .id = MASTER_PCIE_0,
 155         .ep = 0,
 156         .num_links = 1,
 157         .links = { SLAVE_DDR_EMI }
 158 };
 159
 160 static struct mtk_icc_node pcie1 = {
 161         .name = "pcie1",
 162         .id = MASTER_PCIE_1,
 163         .ep = 0,
 164         .num_links = 1,
 165         .links = { SLAVE_DDR_EMI }
 166 };
 167
 168 static struct mtk_icc_node usb = {
 169         .name = "usb",
 170         .id = MASTER_USB,
 171         .ep = 0,
 172         .num_links = 1,
 173         .links = { SLAVE_DDR_EMI }
 174 };
 175
 176 static struct mtk_icc_node wifi = {
 177         .name = "wifi",
 178         .id = MASTER_WIFI,
 179         .ep = 0,
 180         .num_links = 1,
 181         .links = { SLAVE_DDR_EMI }
 182 };
 183
 184 static struct mtk_icc_node bt = {
 185         .name = "bt",
 186         .id = MASTER_BT,
 187         .ep = 0,
 188         .num_links = 1,
 189         .links = { SLAVE_DDR_EMI }
 190 };
 191
 192 static struct mtk_icc_node netsys = {
 193         .name = "netsys",
 194         .id = MASTER_NETSYS,
 195         .ep = 0,
 196         .num_links = 1,
 197         .links = { SLAVE_DDR_EMI }
 198 };
 199
 200 static struct mtk_icc_node dbgif = {
 201         .name = "dbgif",
 202         .id = MASTER_DBGIF,
 203         .ep = 0,
 204         .num_links = 1,
 205         .links = { SLAVE_DDR_EMI }
 206 };
 207
 208 static struct mtk_icc_node hrt_ddr_emi = {
 209         .name = "hrt-ddr-emi",
 210         .id = SLAVE_HRT_DDR_EMI,
 211         .ep = 2,
 212 };
 213
 214 static struct mtk_icc_node hrt_mmsys = {
 215         .name = "hrt-mmsys",
 216         .id = MASTER_HRT_MMSYS,
 217         .ep = 0,
 218         .num_links = 1,
 219         .links = { SLAVE_HRT_DDR_EMI }
 220 };
 221
 222 static struct mtk_icc_node hrt_mm_disp = {
 223         .name = "hrt-mm-disp",
 224         .id = MASTER_HRT_MM_DISP,
 225         .ep = 0,
 226         .num_links = 1,
 227         .links = { MASTER_HRT_MMSYS }
 228 };
 229
 230 static struct mtk_icc_node hrt_mm_vdec = {
 231         .name = "hrt-mm-vdec",
 232         .id = MASTER_HRT_MM_VDEC,
 233         .ep = 0,
 234         .num_links = 1,
 235         .links = { MASTER_HRT_MMSYS }
 236 };
 237
 238 static struct mtk_icc_node hrt_mm_venc = {
 239         .name = "hrt-mm-venc",
 240         .id = MASTER_HRT_MM_VENC,
 241         .ep = 0,
 242         .num_links = 1,
 243         .links = { MASTER_HRT_MMSYS }
 244 };
 245
 246 static struct mtk_icc_node hrt_mm_cam = {
 247         .name = "hrt-mm-cam",
 248         .id = MASTER_HRT_MM_CAM,
 249         .ep = 0,
 250         .num_links = 1,
 251         .links = { MASTER_HRT_MMSYS }
 252 };
 253
 254 static struct mtk_icc_node hrt_mm_img = {
 255         .name = "hrt-mm-img",
 256         .id = MASTER_HRT_MM_IMG,
 257         .ep = 0,
 258         .num_links = 1,
 259         .links = { MASTER_HRT_MMSYS }
 260 };
 261
 262 static struct mtk_icc_node hrt_mm_mdp = {
 263         .name = "hrt-mm-mdp",
 264         .id = MASTER_HRT_MM_MDP,
 265         .ep = 0,
 266         .num_links = 1,
 267         .links = { MASTER_HRT_MMSYS }
 268 };
 269
 270 static struct mtk_icc_node hrt_dbgif = {
 271         .name = "hrt-dbgif",
 272         .id = MASTER_HRT_DBGIF,
 273         .ep = 0,
 274         .num_links = 1,
 275         .links = { SLAVE_HRT_DDR_EMI }
 276 };
 277
 278 static struct mtk_icc_node *mt8195_emi_icc_nodes[] = {
 279         [SLAVE_DDR_EMI] = &ddr_emi,
 280         [MASTER_MCUSYS] = &mcusys,
 281         [MASTER_GPUSYS] = &gpu,
 282         [MASTER_MMSYS] = &mmsys,
 283         [MASTER_MM_VPU] = &mm_vpu,
 284         [MASTER_MM_DISP] = &mm_disp,
 285         [MASTER_MM_VDEC] = &mm_vdec,
 286         [MASTER_MM_VENC] = &mm_venc,
 287         [MASTER_MM_CAM] = &mm_cam,
 288         [MASTER_MM_IMG] = &mm_img,
 289         [MASTER_MM_MDP] = &mm_mdp,
 290         [MASTER_VPUSYS] = &vpusys,
 291         [MASTER_VPU_0] = &vpu_port0,
 292         [MASTER_VPU_1] = &vpu_port1,
 293         [MASTER_MDLASYS] = &mdlasys,
 294         [MASTER_MDLA_0] = &mdla_port0,
 295         [MASTER_UFS] = &ufs,
 296         [MASTER_PCIE_0] = &pcie0,
 297         [MASTER_PCIE_1] = &pcie1,
 298         [MASTER_USB] = &usb,
 299         [MASTER_WIFI] = &wifi,
 300         [MASTER_BT] = &bt,
 301         [MASTER_NETSYS] = &netsys,
 302         [MASTER_DBGIF] = &dbgif,
 303         [SLAVE_HRT_DDR_EMI] = &hrt_ddr_emi,
 304         [MASTER_HRT_MMSYS] = &hrt_mmsys,
 305         [MASTER_HRT_MM_DISP] = &hrt_mm_disp,
 306         [MASTER_HRT_MM_VDEC] = &hrt_mm_vdec,
 307         [MASTER_HRT_MM_VENC] = &hrt_mm_venc,
 308         [MASTER_HRT_MM_CAM] = &hrt_mm_cam,
 309         [MASTER_HRT_MM_IMG] = &hrt_mm_img,
 310         [MASTER_HRT_MM_MDP] = &hrt_mm_mdp,
 311         [MASTER_HRT_DBGIF] = &hrt_dbgif
 312 };
 313
 314 static struct mtk_icc_desc mt8195_emi_icc = {
 315         .nodes = mt8195_emi_icc_nodes,
 316         .num_nodes = ARRAY_SIZE(mt8195_emi_icc_nodes),
 317 };
 318
 319 static const struct of_device_id mtk_mt8195_emi_icc_of_match[] = {
 320         { .compatible = "mediatek,mt8195-emi", .data = &mt8195_emi_icc },
 321         { /* sentinel */ },
 322 };
 323 MODULE_DEVICE_TABLE(of, mtk_mt8195_emi_icc_of_match);
 324
 325 static struct platform_driver mtk_emi_icc_mt8195_driver = {
 326         .driver = {
 327                 .name = "emi-icc-mt8195",
 328                 .of_match_table = mtk_mt8195_emi_icc_of_match,
 329                 .sync_state = icc_sync_state,
 330         },
 331         .probe = mtk_emi_icc_probe,
 332         .remove = mtk_emi_icc_remove,
 333
 334 };
 335 module_platform_driver(mtk_emi_icc_mt8195_driver);
 336
 337 MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>");
 338 MODULE_DESCRIPTION("MediaTek MT8195 EMI ICC driver");
 339 MODULE_LICENSE("GPL");