1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2022 MediaTek Inc. 4 */ 5 6 #include <linux/kernel.h> 7 #include <linux/module.h> 8 #include <linux/pci.h> 9 #include <linux/rtnetlink.h> 10 11 #include "mt7996.h" 12 #include "mac.h" 13 #include "mcu.h" 14 #include "../trace.h" 15 #include "../dma.h" 16 17 static bool wed_enable; 18 module_param(wed_enable, bool, 0644); 19 20 static const struct __base mt7996_reg_base[] = { 21 [WF_AGG_BASE] = { { 0x820e2000, 0x820f2000, 0x830e2000 } }, 22 [WF_ARB_BASE] = { { 0x820e3000, 0x820f3000, 0x830e3000 } }, 23 [WF_TMAC_BASE] = { { 0x820e4000, 0x820f4000, 0x830e4000 } }, 24 [WF_RMAC_BASE] = { { 0x820e5000, 0x820f5000, 0x830e5000 } }, 25 [WF_DMA_BASE] = { { 0x820e7000, 0x820f7000, 0x830e7000 } }, 26 [WF_WTBLOFF_BASE] = { { 0x820e9000, 0x820f9000, 0x830e9000 } }, 27 [WF_ETBF_BASE] = { { 0x820ea000, 0x820fa000, 0x830ea000 } }, 28 [WF_LPON_BASE] = { { 0x820eb000, 0x820fb000, 0x830eb000 } }, 29 [WF_MIB_BASE] = { { 0x820ed000, 0x820fd000, 0x830ed000 } }, 30 [WF_RATE_BASE] = { { 0x820ee000, 0x820fe000, 0x830ee000 } }, 31 }; 32 33 static const u32 mt7996_offs[] = { 34 [MIB_RVSR0] = 0x720, 35 [MIB_RVSR1] = 0x724, 36 [MIB_BTSCR5] = 0x788, 37 [MIB_BTSCR6] = 0x798, 38 [MIB_RSCR1] = 0x7ac, 39 [MIB_RSCR27] = 0x954, 40 [MIB_RSCR28] = 0x958, 41 [MIB_RSCR29] = 0x95c, 42 [MIB_RSCR30] = 0x960, 43 [MIB_RSCR31] = 0x964, 44 [MIB_RSCR33] = 0x96c, 45 [MIB_RSCR35] = 0x974, 46 [MIB_RSCR36] = 0x978, 47 [MIB_BSCR0] = 0x9cc, 48 [MIB_BSCR1] = 0x9d0, 49 [MIB_BSCR2] = 0x9d4, 50 [MIB_BSCR3] = 0x9d8, 51 [MIB_BSCR4] = 0x9dc, 52 [MIB_BSCR5] = 0x9e0, 53 [MIB_BSCR6] = 0x9e4, 54 [MIB_BSCR7] = 0x9e8, 55 [MIB_BSCR17] = 0xa10, 56 [MIB_TRDR1] = 0xa28, 57 }; 58 59 static const u32 mt7992_offs[] = { 60 [MIB_RVSR0] = 0x760, 61 [MIB_RVSR1] = 0x764, 62 [MIB_BTSCR5] = 0x7c8, 63 [MIB_BTSCR6] = 0x7d8, 64 [MIB_RSCR1] = 0x7f0, 65 [MIB_RSCR27] = 0x998, 66 [MIB_RSCR28] = 0x99c, 67 [MIB_RSCR29] = 0x9a0, 68 [MIB_RSCR30] = 0x9a4, 69 [MIB_RSCR31] = 0x9a8, 70 [MIB_RSCR33] = 0x9b0, 71 [MIB_RSCR35] = 0x9b8, 72 [MIB_RSCR36] = 0x9bc, 73 [MIB_BSCR0] = 0xac8, 74 [MIB_BSCR1] = 0xacc, 75 [MIB_BSCR2] = 0xad0, 76 [MIB_BSCR3] = 0xad4, 77 [MIB_BSCR4] = 0xad8, 78 [MIB_BSCR5] = 0xadc, 79 [MIB_BSCR6] = 0xae0, 80 [MIB_BSCR7] = 0xae4, 81 [MIB_BSCR17] = 0xb0c, 82 [MIB_TRDR1] = 0xb24, 83 }; 84 85 static const struct __map mt7996_reg_map[] = { 86 { 0x54000000, 0x02000, 0x1000 }, /* WFDMA_0 (PCIE0 MCU DMA0) */ 87 { 0x55000000, 0x03000, 0x1000 }, /* WFDMA_1 (PCIE0 MCU DMA1) */ 88 { 0x56000000, 0x04000, 0x1000 }, /* WFDMA reserved */ 89 { 0x57000000, 0x05000, 0x1000 }, /* WFDMA MCU wrap CR */ 90 { 0x58000000, 0x06000, 0x1000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */ 91 { 0x59000000, 0x07000, 0x1000 }, /* WFDMA PCIE1 MCU DMA1 */ 92 { 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */ 93 { 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */ 94 { 0x820cc000, 0x0e000, 0x1000 }, /* WF_UMAC_TOP (PP) */ 95 { 0x74030000, 0x10000, 0x1000 }, /* PCIe MAC */ 96 { 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */ 97 { 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */ 98 { 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */ 99 { 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */ 100 { 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */ 101 { 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */ 102 { 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */ 103 { 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */ 104 { 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */ 105 { 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */ 106 { 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */ 107 { 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */ 108 { 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */ 109 { 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */ 110 { 0x820ca000, 0x26000, 0x2000 }, /* WF_LMAC_TOP BN0 (WF_MUCOP) */ 111 { 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */ 112 { 0x40000000, 0x70000, 0x10000 }, /* WF_UMAC_SYSRAM */ 113 { 0x00400000, 0x80000, 0x10000 }, /* WF_MCU_SYSRAM */ 114 { 0x00410000, 0x90000, 0x10000 }, /* WF_MCU_SYSRAM (configure register) */ 115 { 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */ 116 { 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */ 117 { 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */ 118 { 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */ 119 { 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */ 120 { 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */ 121 { 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */ 122 { 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */ 123 { 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */ 124 { 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */ 125 { 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */ 126 { 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */ 127 { 0x820cc000, 0xa5000, 0x2000 }, /* WF_LMAC_TOP BN1 (WF_MUCOP) */ 128 { 0x820c4000, 0xa8000, 0x4000 }, /* WF_LMAC_TOP BN1 (WF_MUCOP) */ 129 { 0x820b0000, 0xae000, 0x1000 }, /* [APB2] WFSYS_ON */ 130 { 0x80020000, 0xb0000, 0x10000 }, /* WF_TOP_MISC_OFF */ 131 { 0x81020000, 0xc0000, 0x10000 }, /* WF_TOP_MISC_ON */ 132 { 0x7c020000, 0xd0000, 0x10000 }, /* CONN_INFRA, wfdma */ 133 { 0x7c060000, 0xe0000, 0x10000 }, /* CONN_INFRA, conn_host_csr_top */ 134 { 0x7c000000, 0xf0000, 0x10000 }, /* CONN_INFRA */ 135 { 0x0, 0x0, 0x0 }, /* imply end of search */ 136 }; 137 138 static u32 mt7996_reg_map_l1(struct mt7996_dev *dev, u32 addr) 139 { 140 u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr); 141 u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr); 142 143 dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L1, 144 MT_HIF_REMAP_L1_MASK, 145 FIELD_PREP(MT_HIF_REMAP_L1_MASK, base)); 146 /* use read to push write */ 147 dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L1); 148 149 return MT_HIF_REMAP_BASE_L1 + offset; 150 } 151 152 static u32 mt7996_reg_map_l2(struct mt7996_dev *dev, u32 addr) 153 { 154 u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr); 155 u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr); 156 157 dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L2, 158 MT_HIF_REMAP_L2_MASK, 159 FIELD_PREP(MT_HIF_REMAP_L2_MASK, base)); 160 /* use read to push write */ 161 dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L2); 162 163 return MT_HIF_REMAP_BASE_L2 + offset; 164 } 165 166 static u32 __mt7996_reg_addr(struct mt7996_dev *dev, u32 addr) 167 { 168 int i; 169 170 if (addr < 0x100000) 171 return addr; 172 173 for (i = 0; i < dev->reg.map_size; i++) { 174 u32 ofs; 175 176 if (addr < dev->reg.map[i].phys) 177 continue; 178 179 ofs = addr - dev->reg.map[i].phys; 180 if (ofs > dev->reg.map[i].size) 181 continue; 182 183 return dev->reg.map[i].mapped + ofs; 184 } 185 186 return 0; 187 } 188 189 static u32 __mt7996_reg_remap_addr(struct mt7996_dev *dev, u32 addr) 190 { 191 if ((addr >= MT_INFRA_BASE && addr < MT_WFSYS0_PHY_START) || 192 (addr >= MT_WFSYS0_PHY_START && addr < MT_WFSYS1_PHY_START) || 193 (addr >= MT_WFSYS1_PHY_START && addr <= MT_WFSYS1_PHY_END)) 194 return mt7996_reg_map_l1(dev, addr); 195 196 if (dev_is_pci(dev->mt76.dev) && 197 ((addr >= MT_CBTOP1_PHY_START && addr <= MT_CBTOP1_PHY_END) || 198 addr >= MT_CBTOP2_PHY_START)) 199 return mt7996_reg_map_l1(dev, addr); 200 201 /* CONN_INFRA: covert to phyiscal addr and use layer 1 remap */ 202 if (addr >= MT_INFRA_MCU_START && addr <= MT_INFRA_MCU_END) { 203 addr = addr - MT_INFRA_MCU_START + MT_INFRA_BASE; 204 return mt7996_reg_map_l1(dev, addr); 205 } 206 207 return mt7996_reg_map_l2(dev, addr); 208 } 209 210 void mt7996_memcpy_fromio(struct mt7996_dev *dev, void *buf, u32 offset, 211 size_t len) 212 { 213 u32 addr = __mt7996_reg_addr(dev, offset); 214 215 if (addr) { 216 memcpy_fromio(buf, dev->mt76.mmio.regs + addr, len); 217 return; 218 } 219 220 spin_lock_bh(&dev->reg_lock); 221 memcpy_fromio(buf, dev->mt76.mmio.regs + 222 __mt7996_reg_remap_addr(dev, offset), len); 223 spin_unlock_bh(&dev->reg_lock); 224 } 225 226 static u32 mt7996_rr(struct mt76_dev *mdev, u32 offset) 227 { 228 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 229 u32 addr = __mt7996_reg_addr(dev, offset), val; 230 231 if (addr) 232 return dev->bus_ops->rr(mdev, addr); 233 234 spin_lock_bh(&dev->reg_lock); 235 val = dev->bus_ops->rr(mdev, __mt7996_reg_remap_addr(dev, offset)); 236 spin_unlock_bh(&dev->reg_lock); 237 238 return val; 239 } 240 241 static void mt7996_wr(struct mt76_dev *mdev, u32 offset, u32 val) 242 { 243 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 244 u32 addr = __mt7996_reg_addr(dev, offset); 245 246 if (addr) { 247 dev->bus_ops->wr(mdev, addr, val); 248 return; 249 } 250 251 spin_lock_bh(&dev->reg_lock); 252 dev->bus_ops->wr(mdev, __mt7996_reg_remap_addr(dev, offset), val); 253 spin_unlock_bh(&dev->reg_lock); 254 } 255 256 static u32 mt7996_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) 257 { 258 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 259 u32 addr = __mt7996_reg_addr(dev, offset); 260 261 if (addr) 262 return dev->bus_ops->rmw(mdev, addr, mask, val); 263 264 spin_lock_bh(&dev->reg_lock); 265 val = dev->bus_ops->rmw(mdev, __mt7996_reg_remap_addr(dev, offset), mask, val); 266 spin_unlock_bh(&dev->reg_lock); 267 268 return val; 269 } 270 271 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 272 static int mt7996_mmio_wed_reset(struct mtk_wed_device *wed) 273 { 274 struct mt76_dev *mdev = container_of(wed, struct mt76_dev, mmio.wed); 275 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 276 struct mt76_phy *mphy = &dev->mphy; 277 int ret; 278 279 ASSERT_RTNL(); 280 281 if (test_and_set_bit(MT76_STATE_WED_RESET, &mphy->state)) 282 return -EBUSY; 283 284 ret = mt7996_mcu_set_ser(dev, UNI_CMD_SER_TRIGGER, UNI_CMD_SER_SET_RECOVER_L1, 285 mphy->band_idx); 286 if (ret) 287 goto out; 288 289 rtnl_unlock(); 290 if (!wait_for_completion_timeout(&mdev->mmio.wed_reset, 20 * HZ)) { 291 dev_err(mdev->dev, "wed reset timeout\n"); 292 ret = -ETIMEDOUT; 293 } 294 rtnl_lock(); 295 out: 296 clear_bit(MT76_STATE_WED_RESET, &mphy->state); 297 298 return ret; 299 } 300 #endif 301 302 int mt7996_mmio_wed_init(struct mt7996_dev *dev, void *pdev_ptr, 303 bool hif2, int *irq) 304 { 305 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 306 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 307 struct pci_dev *pci_dev = pdev_ptr; 308 u32 hif1_ofs = 0; 309 310 if (!wed_enable) 311 return 0; 312 313 dev->has_rro = true; 314 315 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); 316 317 if (hif2) 318 wed = &dev->mt76.mmio.wed_hif2; 319 320 wed->wlan.pci_dev = pci_dev; 321 wed->wlan.bus_type = MTK_WED_BUS_PCIE; 322 323 wed->wlan.base = devm_ioremap(dev->mt76.dev, 324 pci_resource_start(pci_dev, 0), 325 pci_resource_len(pci_dev, 0)); 326 wed->wlan.phy_base = pci_resource_start(pci_dev, 0); 327 328 if (hif2) { 329 wed->wlan.wpdma_int = wed->wlan.phy_base + 330 MT_INT_PCIE1_SOURCE_CSR_EXT; 331 wed->wlan.wpdma_mask = wed->wlan.phy_base + 332 MT_INT_PCIE1_MASK_CSR; 333 wed->wlan.wpdma_tx = wed->wlan.phy_base + hif1_ofs + 334 MT_TXQ_RING_BASE(0) + 335 MT7996_TXQ_BAND2 * MT_RING_SIZE; 336 if (dev->has_rro) { 337 wed->wlan.wpdma_txfree = wed->wlan.phy_base + hif1_ofs + 338 MT_RXQ_RING_BASE(0) + 339 MT7996_RXQ_TXFREE2 * MT_RING_SIZE; 340 wed->wlan.txfree_tbit = ffs(MT_INT_RX_TXFREE_EXT) - 1; 341 } else { 342 wed->wlan.wpdma_txfree = wed->wlan.phy_base + hif1_ofs + 343 MT_RXQ_RING_BASE(0) + 344 MT7996_RXQ_MCU_WA_TRI * MT_RING_SIZE; 345 wed->wlan.txfree_tbit = ffs(MT_INT_RX_DONE_WA_TRI) - 1; 346 } 347 348 wed->wlan.wpdma_rx_glo = wed->wlan.phy_base + hif1_ofs + MT_WFDMA0_GLO_CFG; 349 wed->wlan.wpdma_rx = wed->wlan.phy_base + hif1_ofs + 350 MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + 351 MT7996_RXQ_BAND0 * MT_RING_SIZE; 352 353 wed->wlan.id = 0x7991; 354 wed->wlan.tx_tbit[0] = ffs(MT_INT_TX_DONE_BAND2) - 1; 355 } else { 356 wed->wlan.hw_rro = dev->has_rro; /* default on */ 357 wed->wlan.wpdma_int = wed->wlan.phy_base + MT_INT_SOURCE_CSR; 358 wed->wlan.wpdma_mask = wed->wlan.phy_base + MT_INT_MASK_CSR; 359 wed->wlan.wpdma_tx = wed->wlan.phy_base + MT_TXQ_RING_BASE(0) + 360 MT7996_TXQ_BAND0 * MT_RING_SIZE; 361 362 wed->wlan.wpdma_rx_glo = wed->wlan.phy_base + MT_WFDMA0_GLO_CFG; 363 364 wed->wlan.wpdma_rx = wed->wlan.phy_base + 365 MT_RXQ_RING_BASE(MT7996_RXQ_BAND0) + 366 MT7996_RXQ_BAND0 * MT_RING_SIZE; 367 368 wed->wlan.wpdma_rx_rro[0] = wed->wlan.phy_base + 369 MT_RXQ_RING_BASE(MT7996_RXQ_RRO_BAND0) + 370 MT7996_RXQ_RRO_BAND0 * MT_RING_SIZE; 371 wed->wlan.wpdma_rx_rro[1] = wed->wlan.phy_base + hif1_ofs + 372 MT_RXQ_RING_BASE(MT7996_RXQ_RRO_BAND2) + 373 MT7996_RXQ_RRO_BAND2 * MT_RING_SIZE; 374 wed->wlan.wpdma_rx_pg = wed->wlan.phy_base + 375 MT_RXQ_RING_BASE(MT7996_RXQ_MSDU_PG_BAND0) + 376 MT7996_RXQ_MSDU_PG_BAND0 * MT_RING_SIZE; 377 378 wed->wlan.rx_nbuf = 65536; 379 wed->wlan.rx_npkt = dev->hif2 ? 32768 : 24576; 380 wed->wlan.rx_size = SKB_WITH_OVERHEAD(MT_RX_BUF_SIZE); 381 382 wed->wlan.rx_tbit[0] = ffs(MT_INT_RX_DONE_BAND0) - 1; 383 wed->wlan.rx_tbit[1] = ffs(MT_INT_RX_DONE_BAND2) - 1; 384 385 wed->wlan.rro_rx_tbit[0] = ffs(MT_INT_RX_DONE_RRO_BAND0) - 1; 386 wed->wlan.rro_rx_tbit[1] = ffs(MT_INT_RX_DONE_RRO_BAND2) - 1; 387 388 wed->wlan.rx_pg_tbit[0] = ffs(MT_INT_RX_DONE_MSDU_PG_BAND0) - 1; 389 wed->wlan.rx_pg_tbit[1] = ffs(MT_INT_RX_DONE_MSDU_PG_BAND1) - 1; 390 wed->wlan.rx_pg_tbit[2] = ffs(MT_INT_RX_DONE_MSDU_PG_BAND2) - 1; 391 392 wed->wlan.tx_tbit[0] = ffs(MT_INT_TX_DONE_BAND0) - 1; 393 wed->wlan.tx_tbit[1] = ffs(MT_INT_TX_DONE_BAND1) - 1; 394 if (dev->has_rro) { 395 wed->wlan.wpdma_txfree = wed->wlan.phy_base + MT_RXQ_RING_BASE(0) + 396 MT7996_RXQ_TXFREE0 * MT_RING_SIZE; 397 wed->wlan.txfree_tbit = ffs(MT_INT_RX_TXFREE_MAIN) - 1; 398 } else { 399 wed->wlan.txfree_tbit = ffs(MT_INT_RX_DONE_WA_MAIN) - 1; 400 wed->wlan.wpdma_txfree = wed->wlan.phy_base + MT_RXQ_RING_BASE(0) + 401 MT7996_RXQ_MCU_WA_MAIN * MT_RING_SIZE; 402 } 403 dev->mt76.rx_token_size = MT7996_TOKEN_SIZE + wed->wlan.rx_npkt; 404 } 405 406 wed->wlan.nbuf = MT7996_HW_TOKEN_SIZE; 407 wed->wlan.token_start = MT7996_TOKEN_SIZE - wed->wlan.nbuf; 408 409 wed->wlan.amsdu_max_subframes = 8; 410 wed->wlan.amsdu_max_len = 1536; 411 412 wed->wlan.init_buf = mt7996_wed_init_buf; 413 wed->wlan.init_rx_buf = mt76_wed_init_rx_buf; 414 wed->wlan.release_rx_buf = mt76_wed_release_rx_buf; 415 wed->wlan.offload_enable = mt76_wed_offload_enable; 416 wed->wlan.offload_disable = mt76_wed_offload_disable; 417 if (!hif2) { 418 wed->wlan.reset = mt7996_mmio_wed_reset; 419 wed->wlan.reset_complete = mt76_wed_reset_complete; 420 } 421 422 if (mtk_wed_device_attach(wed)) 423 return 0; 424 425 *irq = wed->irq; 426 dev->mt76.dma_dev = wed->dev; 427 428 return 1; 429 #else 430 return 0; 431 #endif 432 } 433 434 static int mt7996_mmio_init(struct mt76_dev *mdev, 435 void __iomem *mem_base, 436 u32 device_id) 437 { 438 struct mt76_bus_ops *bus_ops; 439 struct mt7996_dev *dev; 440 441 dev = container_of(mdev, struct mt7996_dev, mt76); 442 mt76_mmio_init(&dev->mt76, mem_base); 443 spin_lock_init(&dev->reg_lock); 444 445 switch (device_id) { 446 case 0x7990: 447 dev->reg.base = mt7996_reg_base; 448 dev->reg.offs_rev = mt7996_offs; 449 dev->reg.map = mt7996_reg_map; 450 dev->reg.map_size = ARRAY_SIZE(mt7996_reg_map); 451 break; 452 case 0x7992: 453 dev->reg.base = mt7996_reg_base; 454 dev->reg.offs_rev = mt7992_offs; 455 dev->reg.map = mt7996_reg_map; 456 dev->reg.map_size = ARRAY_SIZE(mt7996_reg_map); 457 break; 458 default: 459 return -EINVAL; 460 } 461 462 dev->bus_ops = dev->mt76.bus; 463 bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops), 464 GFP_KERNEL); 465 if (!bus_ops) 466 return -ENOMEM; 467 468 bus_ops->rr = mt7996_rr; 469 bus_ops->wr = mt7996_wr; 470 bus_ops->rmw = mt7996_rmw; 471 dev->mt76.bus = bus_ops; 472 473 mdev->rev = (device_id << 16) | (mt76_rr(dev, MT_HW_REV) & 0xff); 474 475 dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev); 476 477 return 0; 478 } 479 480 void mt7996_dual_hif_set_irq_mask(struct mt7996_dev *dev, bool write_reg, 481 u32 clear, u32 set) 482 { 483 struct mt76_dev *mdev = &dev->mt76; 484 unsigned long flags; 485 486 spin_lock_irqsave(&mdev->mmio.irq_lock, flags); 487 488 mdev->mmio.irqmask &= ~clear; 489 mdev->mmio.irqmask |= set; 490 491 if (write_reg) { 492 if (mtk_wed_device_active(&mdev->mmio.wed)) { 493 mtk_wed_device_irq_set_mask(&mdev->mmio.wed, 494 mdev->mmio.irqmask); 495 if (mtk_wed_device_active(&mdev->mmio.wed_hif2)) { 496 mtk_wed_device_irq_set_mask(&mdev->mmio.wed_hif2, 497 mdev->mmio.irqmask); 498 } 499 } else { 500 mt76_wr(dev, MT_INT_MASK_CSR, mdev->mmio.irqmask); 501 mt76_wr(dev, MT_INT1_MASK_CSR, mdev->mmio.irqmask); 502 } 503 } 504 505 spin_unlock_irqrestore(&mdev->mmio.irq_lock, flags); 506 } 507 508 static void mt7996_rx_poll_complete(struct mt76_dev *mdev, 509 enum mt76_rxq_id q) 510 { 511 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 512 513 mt7996_irq_enable(dev, MT_INT_RX(q)); 514 } 515 516 /* TODO: support 2/4/6/8 MSI-X vectors */ 517 static void mt7996_irq_tasklet(struct tasklet_struct *t) 518 { 519 struct mt7996_dev *dev = from_tasklet(dev, t, mt76.irq_tasklet); 520 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 521 struct mtk_wed_device *wed_hif2 = &dev->mt76.mmio.wed_hif2; 522 u32 i, intr, mask, intr1 = 0; 523 524 if (dev->hif2 && mtk_wed_device_active(wed_hif2)) { 525 mtk_wed_device_irq_set_mask(wed_hif2, 0); 526 intr1 = mtk_wed_device_irq_get(wed_hif2, 527 dev->mt76.mmio.irqmask); 528 if (intr1 & MT_INT_RX_TXFREE_EXT) 529 napi_schedule(&dev->mt76.napi[MT_RXQ_TXFREE_BAND2]); 530 } 531 532 if (mtk_wed_device_active(wed)) { 533 mtk_wed_device_irq_set_mask(wed, 0); 534 intr = mtk_wed_device_irq_get(wed, dev->mt76.mmio.irqmask); 535 intr |= (intr1 & ~MT_INT_RX_TXFREE_EXT); 536 } else { 537 mt76_wr(dev, MT_INT_MASK_CSR, 0); 538 if (dev->hif2) 539 mt76_wr(dev, MT_INT1_MASK_CSR, 0); 540 541 intr = mt76_rr(dev, MT_INT_SOURCE_CSR); 542 intr &= dev->mt76.mmio.irqmask; 543 mt76_wr(dev, MT_INT_SOURCE_CSR, intr); 544 if (dev->hif2) { 545 intr1 = mt76_rr(dev, MT_INT1_SOURCE_CSR); 546 intr1 &= dev->mt76.mmio.irqmask; 547 mt76_wr(dev, MT_INT1_SOURCE_CSR, intr1); 548 intr |= intr1; 549 } 550 } 551 552 trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask); 553 554 mask = intr & MT_INT_RX_DONE_ALL; 555 if (intr & MT_INT_TX_DONE_MCU) 556 mask |= MT_INT_TX_DONE_MCU; 557 mt7996_irq_disable(dev, mask); 558 559 if (intr & MT_INT_TX_DONE_MCU) 560 napi_schedule(&dev->mt76.tx_napi); 561 562 for (i = 0; i < __MT_RXQ_MAX; i++) { 563 if ((intr & MT_INT_RX(i))) 564 napi_schedule(&dev->mt76.napi[i]); 565 } 566 567 if (intr & MT_INT_MCU_CMD) { 568 u32 val = mt76_rr(dev, MT_MCU_CMD); 569 570 mt76_wr(dev, MT_MCU_CMD, val); 571 if (val & (MT_MCU_CMD_ERROR_MASK | MT_MCU_CMD_WDT_MASK)) { 572 dev->recovery.state = val; 573 mt7996_reset(dev); 574 } 575 } 576 } 577 578 irqreturn_t mt7996_irq_handler(int irq, void *dev_instance) 579 { 580 struct mt7996_dev *dev = dev_instance; 581 582 if (mtk_wed_device_active(&dev->mt76.mmio.wed)) 583 mtk_wed_device_irq_set_mask(&dev->mt76.mmio.wed, 0); 584 else 585 mt76_wr(dev, MT_INT_MASK_CSR, 0); 586 587 if (dev->hif2) { 588 if (mtk_wed_device_active(&dev->mt76.mmio.wed_hif2)) 589 mtk_wed_device_irq_set_mask(&dev->mt76.mmio.wed_hif2, 0); 590 else 591 mt76_wr(dev, MT_INT1_MASK_CSR, 0); 592 } 593 594 if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) 595 return IRQ_NONE; 596 597 tasklet_schedule(&dev->mt76.irq_tasklet); 598 599 return IRQ_HANDLED; 600 } 601 602 struct mt7996_dev *mt7996_mmio_probe(struct device *pdev, 603 void __iomem *mem_base, u32 device_id) 604 { 605 static const struct mt76_driver_ops drv_ops = { 606 /* txwi_size = txd size + txp size */ 607 .txwi_size = MT_TXD_SIZE + sizeof(struct mt76_connac_fw_txp), 608 .drv_flags = MT_DRV_TXWI_NO_FREE | 609 MT_DRV_AMSDU_OFFLOAD | 610 MT_DRV_HW_MGMT_TXQ, 611 .survey_flags = SURVEY_INFO_TIME_TX | 612 SURVEY_INFO_TIME_RX | 613 SURVEY_INFO_TIME_BSS_RX, 614 .token_size = MT7996_TOKEN_SIZE, 615 .tx_prepare_skb = mt7996_tx_prepare_skb, 616 .tx_complete_skb = mt76_connac_tx_complete_skb, 617 .rx_skb = mt7996_queue_rx_skb, 618 .rx_check = mt7996_rx_check, 619 .rx_poll_complete = mt7996_rx_poll_complete, 620 .sta_add = mt7996_mac_sta_add, 621 .sta_remove = mt7996_mac_sta_remove, 622 .update_survey = mt7996_update_channel, 623 .set_channel = mt7996_set_channel, 624 }; 625 struct mt7996_dev *dev; 626 struct mt76_dev *mdev; 627 int ret; 628 629 mdev = mt76_alloc_device(pdev, sizeof(*dev), &mt7996_ops, &drv_ops); 630 if (!mdev) 631 return ERR_PTR(-ENOMEM); 632 633 dev = container_of(mdev, struct mt7996_dev, mt76); 634 635 ret = mt7996_mmio_init(mdev, mem_base, device_id); 636 if (ret) 637 goto error; 638 639 tasklet_setup(&mdev->irq_tasklet, mt7996_irq_tasklet); 640 641 mt76_wr(dev, MT_INT_MASK_CSR, 0); 642 643 return dev; 644 645 error: 646 mt76_free_device(&dev->mt76); 647 648 return ERR_PTR(ret); 649 } 650 651 static int __init mt7996_init(void) 652 { 653 int ret; 654 655 ret = pci_register_driver(&mt7996_hif_driver); 656 if (ret) 657 return ret; 658 659 ret = pci_register_driver(&mt7996_pci_driver); 660 if (ret) 661 pci_unregister_driver(&mt7996_hif_driver); 662 663 return ret; 664 } 665 666 static void __exit mt7996_exit(void) 667 { 668 pci_unregister_driver(&mt7996_pci_driver); 669 pci_unregister_driver(&mt7996_hif_driver); 670 } 671 672 module_init(mt7996_init); 673 module_exit(mt7996_exit); 674 MODULE_DESCRIPTION("MediaTek MT7996 MMIO helpers"); 675 MODULE_LICENSE("Dual BSD/GPL"); 676