1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2022 MediaTek Inc. 4 */ 5 6 #include "mt7996.h" 7 #include "../dma.h" 8 #include "mac.h" 9 10 int mt7996_init_tx_queues(struct mt7996_phy *phy, int idx, int n_desc, 11 int ring_base, struct mtk_wed_device *wed) 12 { 13 struct mt7996_dev *dev = phy->dev; 14 u32 flags = 0; 15 16 if (mtk_wed_device_active(wed)) { 17 ring_base += MT_TXQ_ID(0) * MT_RING_SIZE; 18 idx -= MT_TXQ_ID(0); 19 20 if (phy->mt76->band_idx == MT_BAND2) 21 flags = MT_WED_Q_TX(0); 22 else 23 flags = MT_WED_Q_TX(idx); 24 } 25 26 return mt76_connac_init_tx_queues(phy->mt76, idx, n_desc, 27 ring_base, wed, flags); 28 } 29 30 static int mt7996_poll_tx(struct napi_struct *napi, int budget) 31 { 32 struct mt7996_dev *dev; 33 34 dev = container_of(napi, struct mt7996_dev, mt76.tx_napi); 35 36 mt76_connac_tx_cleanup(&dev->mt76); 37 if (napi_complete_done(napi, 0)) 38 mt7996_irq_enable(dev, MT_INT_TX_DONE_MCU); 39 40 return 0; 41 } 42 43 static void mt7996_dma_config(struct mt7996_dev *dev) 44 { 45 #define Q_CONFIG(q, wfdma, int, id) do { \ 46 if (wfdma) \ 47 dev->q_wfdma_mask |= (1 << (q)); \ 48 dev->q_int_mask[(q)] = int; \ 49 dev->q_id[(q)] = id; \ 50 } while (0) 51 52 #define MCUQ_CONFIG(q, wfdma, int, id) Q_CONFIG(q, (wfdma), (int), (id)) 53 #define RXQ_CONFIG(q, wfdma, int, id) Q_CONFIG(__RXQ(q), (wfdma), (int), (id)) 54 #define TXQ_CONFIG(q, wfdma, int, id) Q_CONFIG(__TXQ(q), (wfdma), (int), (id)) 55 56 /* rx queue */ 57 RXQ_CONFIG(MT_RXQ_MCU, WFDMA0, MT_INT_RX_DONE_WM, MT7996_RXQ_MCU_WM); 58 RXQ_CONFIG(MT_RXQ_MCU_WA, WFDMA0, MT_INT_RX_DONE_WA, MT7996_RXQ_MCU_WA); 59 60 /* mt7996: band0 and band1, mt7992: band0 */ 61 RXQ_CONFIG(MT_RXQ_MAIN, WFDMA0, MT_INT_RX_DONE_BAND0, MT7996_RXQ_BAND0); 62 RXQ_CONFIG(MT_RXQ_MAIN_WA, WFDMA0, MT_INT_RX_DONE_WA_MAIN, MT7996_RXQ_MCU_WA_MAIN); 63 64 if (is_mt7996(&dev->mt76)) { 65 /* mt7996 band2 */ 66 RXQ_CONFIG(MT_RXQ_BAND2, WFDMA0, MT_INT_RX_DONE_BAND2, MT7996_RXQ_BAND2); 67 RXQ_CONFIG(MT_RXQ_BAND2_WA, WFDMA0, MT_INT_RX_DONE_WA_TRI, MT7996_RXQ_MCU_WA_TRI); 68 } else { 69 /* mt7992 band1 */ 70 RXQ_CONFIG(MT_RXQ_BAND1, WFDMA0, MT_INT_RX_DONE_BAND1, MT7996_RXQ_BAND1); 71 RXQ_CONFIG(MT_RXQ_BAND1_WA, WFDMA0, MT_INT_RX_DONE_WA_EXT, MT7996_RXQ_MCU_WA_EXT); 72 } 73 74 if (dev->has_rro) { 75 /* band0 */ 76 RXQ_CONFIG(MT_RXQ_RRO_BAND0, WFDMA0, MT_INT_RX_DONE_RRO_BAND0, 77 MT7996_RXQ_RRO_BAND0); 78 RXQ_CONFIG(MT_RXQ_MSDU_PAGE_BAND0, WFDMA0, MT_INT_RX_DONE_MSDU_PG_BAND0, 79 MT7996_RXQ_MSDU_PG_BAND0); 80 RXQ_CONFIG(MT_RXQ_TXFREE_BAND0, WFDMA0, MT_INT_RX_TXFREE_MAIN, 81 MT7996_RXQ_TXFREE0); 82 /* band1 */ 83 RXQ_CONFIG(MT_RXQ_MSDU_PAGE_BAND1, WFDMA0, MT_INT_RX_DONE_MSDU_PG_BAND1, 84 MT7996_RXQ_MSDU_PG_BAND1); 85 /* band2 */ 86 RXQ_CONFIG(MT_RXQ_RRO_BAND2, WFDMA0, MT_INT_RX_DONE_RRO_BAND2, 87 MT7996_RXQ_RRO_BAND2); 88 RXQ_CONFIG(MT_RXQ_MSDU_PAGE_BAND2, WFDMA0, MT_INT_RX_DONE_MSDU_PG_BAND2, 89 MT7996_RXQ_MSDU_PG_BAND2); 90 RXQ_CONFIG(MT_RXQ_TXFREE_BAND2, WFDMA0, MT_INT_RX_TXFREE_TRI, 91 MT7996_RXQ_TXFREE2); 92 93 RXQ_CONFIG(MT_RXQ_RRO_IND, WFDMA0, MT_INT_RX_DONE_RRO_IND, 94 MT7996_RXQ_RRO_IND); 95 } 96 97 /* data tx queue */ 98 TXQ_CONFIG(0, WFDMA0, MT_INT_TX_DONE_BAND0, MT7996_TXQ_BAND0); 99 if (is_mt7996(&dev->mt76)) { 100 TXQ_CONFIG(1, WFDMA0, MT_INT_TX_DONE_BAND1, MT7996_TXQ_BAND1); 101 TXQ_CONFIG(2, WFDMA0, MT_INT_TX_DONE_BAND2, MT7996_TXQ_BAND2); 102 } else { 103 TXQ_CONFIG(1, WFDMA0, MT_INT_TX_DONE_BAND1, MT7996_TXQ_BAND1); 104 } 105 106 /* mcu tx queue */ 107 MCUQ_CONFIG(MT_MCUQ_WM, WFDMA0, MT_INT_TX_DONE_MCU_WM, MT7996_TXQ_MCU_WM); 108 MCUQ_CONFIG(MT_MCUQ_WA, WFDMA0, MT_INT_TX_DONE_MCU_WA, MT7996_TXQ_MCU_WA); 109 MCUQ_CONFIG(MT_MCUQ_FWDL, WFDMA0, MT_INT_TX_DONE_FWDL, MT7996_TXQ_FWDL); 110 } 111 112 static u32 __mt7996_dma_prefetch_base(u16 *base, u8 depth) 113 { 114 u32 ret = *base << 16 | depth; 115 116 *base = *base + (depth << 4); 117 118 return ret; 119 } 120 121 static void __mt7996_dma_prefetch(struct mt7996_dev *dev, u32 ofs) 122 { 123 u16 base = 0; 124 u8 queue; 125 126 #define PREFETCH(_depth) (__mt7996_dma_prefetch_base(&base, (_depth))) 127 /* prefetch SRAM wrapping boundary for tx/rx ring. */ 128 mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_FWDL) + ofs, PREFETCH(0x2)); 129 mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_WM) + ofs, PREFETCH(0x2)); 130 mt76_wr(dev, MT_TXQ_EXT_CTRL(0) + ofs, PREFETCH(0x8)); 131 mt76_wr(dev, MT_TXQ_EXT_CTRL(1) + ofs, PREFETCH(0x8)); 132 mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_WA) + ofs, PREFETCH(0x2)); 133 mt76_wr(dev, MT_TXQ_EXT_CTRL(2) + ofs, PREFETCH(0x8)); 134 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MCU) + ofs, PREFETCH(0x2)); 135 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MCU_WA) + ofs, PREFETCH(0x2)); 136 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MAIN_WA) + ofs, PREFETCH(0x2)); 137 138 queue = is_mt7996(&dev->mt76) ? MT_RXQ_BAND2_WA : MT_RXQ_BAND1_WA; 139 mt76_wr(dev, MT_RXQ_BAND1_CTRL(queue) + ofs, PREFETCH(0x2)); 140 141 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MAIN) + ofs, PREFETCH(0x10)); 142 143 queue = is_mt7996(&dev->mt76) ? MT_RXQ_BAND2 : MT_RXQ_BAND1; 144 mt76_wr(dev, MT_RXQ_BAND1_CTRL(queue) + ofs, PREFETCH(0x10)); 145 146 if (dev->has_rro) { 147 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_RRO_BAND0) + ofs, 148 PREFETCH(0x10)); 149 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_RRO_BAND2) + ofs, 150 PREFETCH(0x10)); 151 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MSDU_PAGE_BAND0) + ofs, 152 PREFETCH(0x4)); 153 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MSDU_PAGE_BAND1) + ofs, 154 PREFETCH(0x4)); 155 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_MSDU_PAGE_BAND2) + ofs, 156 PREFETCH(0x4)); 157 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_TXFREE_BAND0) + ofs, 158 PREFETCH(0x4)); 159 mt76_wr(dev, MT_RXQ_BAND1_CTRL(MT_RXQ_TXFREE_BAND2) + ofs, 160 PREFETCH(0x4)); 161 } 162 #undef PREFETCH 163 164 mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT1 + ofs, WF_WFDMA0_GLO_CFG_EXT1_CALC_MODE); 165 } 166 167 void mt7996_dma_prefetch(struct mt7996_dev *dev) 168 { 169 __mt7996_dma_prefetch(dev, 0); 170 if (dev->hif2) 171 __mt7996_dma_prefetch(dev, MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0)); 172 } 173 174 static void mt7996_dma_disable(struct mt7996_dev *dev, bool reset) 175 { 176 u32 hif1_ofs = 0; 177 178 if (dev->hif2) 179 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); 180 181 if (reset) { 182 mt76_clear(dev, MT_WFDMA0_RST, 183 MT_WFDMA0_RST_DMASHDL_ALL_RST | 184 MT_WFDMA0_RST_LOGIC_RST); 185 186 mt76_set(dev, MT_WFDMA0_RST, 187 MT_WFDMA0_RST_DMASHDL_ALL_RST | 188 MT_WFDMA0_RST_LOGIC_RST); 189 190 if (dev->hif2) { 191 mt76_clear(dev, MT_WFDMA0_RST + hif1_ofs, 192 MT_WFDMA0_RST_DMASHDL_ALL_RST | 193 MT_WFDMA0_RST_LOGIC_RST); 194 195 mt76_set(dev, MT_WFDMA0_RST + hif1_ofs, 196 MT_WFDMA0_RST_DMASHDL_ALL_RST | 197 MT_WFDMA0_RST_LOGIC_RST); 198 } 199 } 200 201 /* disable */ 202 mt76_clear(dev, MT_WFDMA0_GLO_CFG, 203 MT_WFDMA0_GLO_CFG_TX_DMA_EN | 204 MT_WFDMA0_GLO_CFG_RX_DMA_EN | 205 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | 206 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO | 207 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); 208 209 if (dev->hif2) { 210 mt76_clear(dev, MT_WFDMA0_GLO_CFG + hif1_ofs, 211 MT_WFDMA0_GLO_CFG_TX_DMA_EN | 212 MT_WFDMA0_GLO_CFG_RX_DMA_EN | 213 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | 214 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO | 215 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); 216 } 217 } 218 219 void mt7996_dma_start(struct mt7996_dev *dev, bool reset, bool wed_reset) 220 { 221 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 222 u32 hif1_ofs = 0; 223 u32 irq_mask; 224 225 if (dev->hif2) 226 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); 227 228 /* enable WFDMA Tx/Rx */ 229 if (!reset) { 230 if (mtk_wed_device_active(wed) && mtk_wed_get_rx_capa(wed)) 231 mt76_set(dev, MT_WFDMA0_GLO_CFG, 232 MT_WFDMA0_GLO_CFG_TX_DMA_EN | 233 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | 234 MT_WFDMA0_GLO_CFG_EXT_EN); 235 else 236 mt76_set(dev, MT_WFDMA0_GLO_CFG, 237 MT_WFDMA0_GLO_CFG_TX_DMA_EN | 238 MT_WFDMA0_GLO_CFG_RX_DMA_EN | 239 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | 240 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 | 241 MT_WFDMA0_GLO_CFG_EXT_EN); 242 243 if (dev->hif2) 244 mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs, 245 MT_WFDMA0_GLO_CFG_TX_DMA_EN | 246 MT_WFDMA0_GLO_CFG_RX_DMA_EN | 247 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | 248 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 | 249 MT_WFDMA0_GLO_CFG_EXT_EN); 250 } 251 252 /* enable interrupts for TX/RX rings */ 253 irq_mask = MT_INT_MCU_CMD | MT_INT_RX_DONE_MCU | MT_INT_TX_DONE_MCU; 254 255 if (mt7996_band_valid(dev, MT_BAND0)) 256 irq_mask |= MT_INT_BAND0_RX_DONE; 257 258 if (mt7996_band_valid(dev, MT_BAND1)) 259 irq_mask |= MT_INT_BAND1_RX_DONE; 260 261 if (mt7996_band_valid(dev, MT_BAND2)) 262 irq_mask |= MT_INT_BAND2_RX_DONE; 263 264 if (mtk_wed_device_active(wed) && wed_reset) { 265 u32 wed_irq_mask = irq_mask; 266 267 wed_irq_mask |= MT_INT_TX_DONE_BAND0 | MT_INT_TX_DONE_BAND1; 268 mt76_wr(dev, MT_INT_MASK_CSR, wed_irq_mask); 269 mtk_wed_device_start(wed, wed_irq_mask); 270 } 271 272 irq_mask = reset ? MT_INT_MCU_CMD : irq_mask; 273 274 mt7996_irq_enable(dev, irq_mask); 275 mt7996_irq_disable(dev, 0); 276 } 277 278 static void mt7996_dma_enable(struct mt7996_dev *dev, bool reset) 279 { 280 u32 hif1_ofs = 0; 281 282 if (dev->hif2) 283 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); 284 285 /* reset dma idx */ 286 mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0); 287 if (dev->hif2) 288 mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR + hif1_ofs, ~0); 289 290 /* configure delay interrupt off */ 291 mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0); 292 mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1, 0); 293 mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2, 0); 294 295 if (dev->hif2) { 296 mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0 + hif1_ofs, 0); 297 mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1 + hif1_ofs, 0); 298 mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2 + hif1_ofs, 0); 299 } 300 301 /* configure perfetch settings */ 302 mt7996_dma_prefetch(dev); 303 304 /* hif wait WFDMA idle */ 305 mt76_set(dev, MT_WFDMA0_BUSY_ENA, 306 MT_WFDMA0_BUSY_ENA_TX_FIFO0 | 307 MT_WFDMA0_BUSY_ENA_TX_FIFO1 | 308 MT_WFDMA0_BUSY_ENA_RX_FIFO); 309 310 if (dev->hif2) 311 mt76_set(dev, MT_WFDMA0_BUSY_ENA + hif1_ofs, 312 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 | 313 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 | 314 MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO); 315 316 mt76_poll(dev, MT_WFDMA_EXT_CSR_HIF_MISC, 317 MT_WFDMA_EXT_CSR_HIF_MISC_BUSY, 0, 1000); 318 319 /* GLO_CFG_EXT0 */ 320 mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT0, 321 WF_WFDMA0_GLO_CFG_EXT0_RX_WB_RXD | 322 WF_WFDMA0_GLO_CFG_EXT0_WED_MERGE_MODE); 323 324 /* GLO_CFG_EXT1 */ 325 mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT1, 326 WF_WFDMA0_GLO_CFG_EXT1_TX_FCTRL_MODE); 327 328 /* WFDMA rx threshold */ 329 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_45_TH, 0xc000c); 330 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_67_TH, 0x10008); 331 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_89_TH, 0x10008); 332 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_RRO_TH, 0x20); 333 334 if (dev->hif2) { 335 /* GLO_CFG_EXT0 */ 336 mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT0 + hif1_ofs, 337 WF_WFDMA0_GLO_CFG_EXT0_RX_WB_RXD | 338 WF_WFDMA0_GLO_CFG_EXT0_WED_MERGE_MODE); 339 340 /* GLO_CFG_EXT1 */ 341 mt76_set(dev, WF_WFDMA0_GLO_CFG_EXT1 + hif1_ofs, 342 WF_WFDMA0_GLO_CFG_EXT1_TX_FCTRL_MODE); 343 344 mt76_set(dev, MT_WFDMA_HOST_CONFIG, 345 MT_WFDMA_HOST_CONFIG_PDMA_BAND | 346 MT_WFDMA_HOST_CONFIG_BAND2_PCIE1); 347 348 /* AXI read outstanding number */ 349 mt76_rmw(dev, MT_WFDMA_AXI_R2A_CTRL, 350 MT_WFDMA_AXI_R2A_CTRL_OUTSTAND_MASK, 0x14); 351 352 /* WFDMA rx threshold */ 353 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_45_TH + hif1_ofs, 0xc000c); 354 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_67_TH + hif1_ofs, 0x10008); 355 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_89_TH + hif1_ofs, 0x10008); 356 mt76_wr(dev, MT_WFDMA0_PAUSE_RX_Q_RRO_TH + hif1_ofs, 0x20); 357 } 358 359 if (dev->hif2) { 360 /* fix hardware limitation, pcie1's rx ring3 is not available 361 * so, redirect pcie0 rx ring3 interrupt to pcie1 362 */ 363 if (mtk_wed_device_active(&dev->mt76.mmio.wed) && 364 dev->has_rro) 365 mt76_set(dev, MT_WFDMA0_RX_INT_PCIE_SEL + hif1_ofs, 366 MT_WFDMA0_RX_INT_SEL_RING6); 367 else 368 mt76_set(dev, MT_WFDMA0_RX_INT_PCIE_SEL, 369 MT_WFDMA0_RX_INT_SEL_RING3); 370 } 371 372 mt7996_dma_start(dev, reset, true); 373 } 374 375 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 376 int mt7996_dma_rro_init(struct mt7996_dev *dev) 377 { 378 struct mt76_dev *mdev = &dev->mt76; 379 u32 irq_mask; 380 int ret; 381 382 /* ind cmd */ 383 mdev->q_rx[MT_RXQ_RRO_IND].flags = MT_WED_RRO_Q_IND; 384 mdev->q_rx[MT_RXQ_RRO_IND].wed = &mdev->mmio.wed; 385 ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_RRO_IND], 386 MT_RXQ_ID(MT_RXQ_RRO_IND), 387 MT7996_RX_RING_SIZE, 388 0, MT_RXQ_RRO_IND_RING_BASE); 389 if (ret) 390 return ret; 391 392 /* rx msdu page queue for band0 */ 393 mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND0].flags = 394 MT_WED_RRO_Q_MSDU_PG(0) | MT_QFLAG_WED_RRO_EN; 395 mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND0].wed = &mdev->mmio.wed; 396 ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND0], 397 MT_RXQ_ID(MT_RXQ_MSDU_PAGE_BAND0), 398 MT7996_RX_RING_SIZE, 399 MT7996_RX_MSDU_PAGE_SIZE, 400 MT_RXQ_RING_BASE(MT_RXQ_MSDU_PAGE_BAND0)); 401 if (ret) 402 return ret; 403 404 if (mt7996_band_valid(dev, MT_BAND1)) { 405 /* rx msdu page queue for band1 */ 406 mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND1].flags = 407 MT_WED_RRO_Q_MSDU_PG(1) | MT_QFLAG_WED_RRO_EN; 408 mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND1].wed = &mdev->mmio.wed; 409 ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND1], 410 MT_RXQ_ID(MT_RXQ_MSDU_PAGE_BAND1), 411 MT7996_RX_RING_SIZE, 412 MT7996_RX_MSDU_PAGE_SIZE, 413 MT_RXQ_RING_BASE(MT_RXQ_MSDU_PAGE_BAND1)); 414 if (ret) 415 return ret; 416 } 417 418 if (mt7996_band_valid(dev, MT_BAND2)) { 419 /* rx msdu page queue for band2 */ 420 mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND2].flags = 421 MT_WED_RRO_Q_MSDU_PG(2) | MT_QFLAG_WED_RRO_EN; 422 mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND2].wed = &mdev->mmio.wed; 423 ret = mt76_queue_alloc(dev, &mdev->q_rx[MT_RXQ_MSDU_PAGE_BAND2], 424 MT_RXQ_ID(MT_RXQ_MSDU_PAGE_BAND2), 425 MT7996_RX_RING_SIZE, 426 MT7996_RX_MSDU_PAGE_SIZE, 427 MT_RXQ_RING_BASE(MT_RXQ_MSDU_PAGE_BAND2)); 428 if (ret) 429 return ret; 430 } 431 432 irq_mask = mdev->mmio.irqmask | MT_INT_RRO_RX_DONE | 433 MT_INT_TX_DONE_BAND2; 434 mt76_wr(dev, MT_INT_MASK_CSR, irq_mask); 435 mtk_wed_device_start_hw_rro(&mdev->mmio.wed, irq_mask, false); 436 mt7996_irq_enable(dev, irq_mask); 437 438 return 0; 439 } 440 #endif /* CONFIG_NET_MEDIATEK_SOC_WED */ 441 442 int mt7996_dma_init(struct mt7996_dev *dev) 443 { 444 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 445 struct mtk_wed_device *wed_hif2 = &dev->mt76.mmio.wed_hif2; 446 u32 rx_base; 447 u32 hif1_ofs = 0; 448 int ret; 449 450 mt7996_dma_config(dev); 451 452 mt76_dma_attach(&dev->mt76); 453 454 if (dev->hif2) 455 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); 456 457 mt7996_dma_disable(dev, true); 458 459 /* init tx queue */ 460 ret = mt7996_init_tx_queues(&dev->phy, 461 MT_TXQ_ID(dev->mphy.band_idx), 462 MT7996_TX_RING_SIZE, 463 MT_TXQ_RING_BASE(0), 464 wed); 465 if (ret) 466 return ret; 467 468 /* command to WM */ 469 ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, 470 MT_MCUQ_ID(MT_MCUQ_WM), 471 MT7996_TX_MCU_RING_SIZE, 472 MT_MCUQ_RING_BASE(MT_MCUQ_WM)); 473 if (ret) 474 return ret; 475 476 /* command to WA */ 477 ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WA, 478 MT_MCUQ_ID(MT_MCUQ_WA), 479 MT7996_TX_MCU_RING_SIZE, 480 MT_MCUQ_RING_BASE(MT_MCUQ_WA)); 481 if (ret) 482 return ret; 483 484 /* firmware download */ 485 ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, 486 MT_MCUQ_ID(MT_MCUQ_FWDL), 487 MT7996_TX_FWDL_RING_SIZE, 488 MT_MCUQ_RING_BASE(MT_MCUQ_FWDL)); 489 if (ret) 490 return ret; 491 492 /* event from WM */ 493 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], 494 MT_RXQ_ID(MT_RXQ_MCU), 495 MT7996_RX_MCU_RING_SIZE, 496 MT_RX_BUF_SIZE, 497 MT_RXQ_RING_BASE(MT_RXQ_MCU)); 498 if (ret) 499 return ret; 500 501 /* event from WA */ 502 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA], 503 MT_RXQ_ID(MT_RXQ_MCU_WA), 504 MT7996_RX_MCU_RING_SIZE_WA, 505 MT_RX_BUF_SIZE, 506 MT_RXQ_RING_BASE(MT_RXQ_MCU_WA)); 507 if (ret) 508 return ret; 509 510 /* rx data queue for band0 and mt7996 band1 */ 511 if (mtk_wed_device_active(wed) && mtk_wed_get_rx_capa(wed)) { 512 dev->mt76.q_rx[MT_RXQ_MAIN].flags = MT_WED_Q_RX(0); 513 dev->mt76.q_rx[MT_RXQ_MAIN].wed = wed; 514 } 515 516 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 517 MT_RXQ_ID(MT_RXQ_MAIN), 518 MT7996_RX_RING_SIZE, 519 MT_RX_BUF_SIZE, 520 MT_RXQ_RING_BASE(MT_RXQ_MAIN)); 521 if (ret) 522 return ret; 523 524 /* tx free notify event from WA for band0 */ 525 if (mtk_wed_device_active(wed) && !dev->has_rro) { 526 dev->mt76.q_rx[MT_RXQ_MAIN_WA].flags = MT_WED_Q_TXFREE; 527 dev->mt76.q_rx[MT_RXQ_MAIN_WA].wed = wed; 528 } 529 530 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN_WA], 531 MT_RXQ_ID(MT_RXQ_MAIN_WA), 532 MT7996_RX_MCU_RING_SIZE, 533 MT_RX_BUF_SIZE, 534 MT_RXQ_RING_BASE(MT_RXQ_MAIN_WA)); 535 if (ret) 536 return ret; 537 538 if (mt7996_band_valid(dev, MT_BAND2)) { 539 /* rx data queue for mt7996 band2 */ 540 rx_base = MT_RXQ_RING_BASE(MT_RXQ_BAND2) + hif1_ofs; 541 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND2], 542 MT_RXQ_ID(MT_RXQ_BAND2), 543 MT7996_RX_RING_SIZE, 544 MT_RX_BUF_SIZE, 545 rx_base); 546 if (ret) 547 return ret; 548 549 /* tx free notify event from WA for mt7996 band2 550 * use pcie0's rx ring3, but, redirect pcie0 rx ring3 interrupt to pcie1 551 */ 552 if (mtk_wed_device_active(wed_hif2) && !dev->has_rro) { 553 dev->mt76.q_rx[MT_RXQ_BAND2_WA].flags = MT_WED_Q_TXFREE; 554 dev->mt76.q_rx[MT_RXQ_BAND2_WA].wed = wed_hif2; 555 } 556 557 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND2_WA], 558 MT_RXQ_ID(MT_RXQ_BAND2_WA), 559 MT7996_RX_MCU_RING_SIZE, 560 MT_RX_BUF_SIZE, 561 MT_RXQ_RING_BASE(MT_RXQ_BAND2_WA)); 562 if (ret) 563 return ret; 564 } else if (mt7996_band_valid(dev, MT_BAND1)) { 565 /* rx data queue for mt7992 band1 */ 566 rx_base = MT_RXQ_RING_BASE(MT_RXQ_BAND1) + hif1_ofs; 567 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND1], 568 MT_RXQ_ID(MT_RXQ_BAND1), 569 MT7996_RX_RING_SIZE, 570 MT_RX_BUF_SIZE, 571 rx_base); 572 if (ret) 573 return ret; 574 575 /* tx free notify event from WA for mt7992 band1 */ 576 rx_base = MT_RXQ_RING_BASE(MT_RXQ_BAND1_WA) + hif1_ofs; 577 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_BAND1_WA], 578 MT_RXQ_ID(MT_RXQ_BAND1_WA), 579 MT7996_RX_MCU_RING_SIZE, 580 MT_RX_BUF_SIZE, 581 rx_base); 582 if (ret) 583 return ret; 584 } 585 586 if (mtk_wed_device_active(wed) && mtk_wed_get_rx_capa(wed) && 587 dev->has_rro) { 588 /* rx rro data queue for band0 */ 589 dev->mt76.q_rx[MT_RXQ_RRO_BAND0].flags = 590 MT_WED_RRO_Q_DATA(0) | MT_QFLAG_WED_RRO_EN; 591 dev->mt76.q_rx[MT_RXQ_RRO_BAND0].wed = wed; 592 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_RRO_BAND0], 593 MT_RXQ_ID(MT_RXQ_RRO_BAND0), 594 MT7996_RX_RING_SIZE, 595 MT7996_RX_BUF_SIZE, 596 MT_RXQ_RING_BASE(MT_RXQ_RRO_BAND0)); 597 if (ret) 598 return ret; 599 600 /* tx free notify event from WA for band0 */ 601 dev->mt76.q_rx[MT_RXQ_TXFREE_BAND0].flags = MT_WED_Q_TXFREE; 602 dev->mt76.q_rx[MT_RXQ_TXFREE_BAND0].wed = wed; 603 604 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_TXFREE_BAND0], 605 MT_RXQ_ID(MT_RXQ_TXFREE_BAND0), 606 MT7996_RX_MCU_RING_SIZE, 607 MT7996_RX_BUF_SIZE, 608 MT_RXQ_RING_BASE(MT_RXQ_TXFREE_BAND0)); 609 if (ret) 610 return ret; 611 612 if (mt7996_band_valid(dev, MT_BAND2)) { 613 /* rx rro data queue for band2 */ 614 dev->mt76.q_rx[MT_RXQ_RRO_BAND2].flags = 615 MT_WED_RRO_Q_DATA(1) | MT_QFLAG_WED_RRO_EN; 616 dev->mt76.q_rx[MT_RXQ_RRO_BAND2].wed = wed; 617 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_RRO_BAND2], 618 MT_RXQ_ID(MT_RXQ_RRO_BAND2), 619 MT7996_RX_RING_SIZE, 620 MT7996_RX_BUF_SIZE, 621 MT_RXQ_RING_BASE(MT_RXQ_RRO_BAND2) + hif1_ofs); 622 if (ret) 623 return ret; 624 625 /* tx free notify event from MAC for band2 */ 626 if (mtk_wed_device_active(wed_hif2)) { 627 dev->mt76.q_rx[MT_RXQ_TXFREE_BAND2].flags = MT_WED_Q_TXFREE; 628 dev->mt76.q_rx[MT_RXQ_TXFREE_BAND2].wed = wed_hif2; 629 } 630 ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_TXFREE_BAND2], 631 MT_RXQ_ID(MT_RXQ_TXFREE_BAND2), 632 MT7996_RX_MCU_RING_SIZE, 633 MT7996_RX_BUF_SIZE, 634 MT_RXQ_RING_BASE(MT_RXQ_TXFREE_BAND2) + hif1_ofs); 635 if (ret) 636 return ret; 637 } 638 } 639 640 ret = mt76_init_queues(dev, mt76_dma_rx_poll); 641 if (ret < 0) 642 return ret; 643 644 netif_napi_add_tx(dev->mt76.tx_napi_dev, &dev->mt76.tx_napi, 645 mt7996_poll_tx); 646 napi_enable(&dev->mt76.tx_napi); 647 648 mt7996_dma_enable(dev, false); 649 650 return 0; 651 } 652 653 void mt7996_dma_reset(struct mt7996_dev *dev, bool force) 654 { 655 struct mt76_phy *phy2 = dev->mt76.phys[MT_BAND1]; 656 struct mt76_phy *phy3 = dev->mt76.phys[MT_BAND2]; 657 u32 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); 658 int i; 659 660 mt76_clear(dev, MT_WFDMA0_GLO_CFG, 661 MT_WFDMA0_GLO_CFG_TX_DMA_EN | 662 MT_WFDMA0_GLO_CFG_RX_DMA_EN); 663 664 if (dev->hif2) 665 mt76_clear(dev, MT_WFDMA0_GLO_CFG + hif1_ofs, 666 MT_WFDMA0_GLO_CFG_TX_DMA_EN | 667 MT_WFDMA0_GLO_CFG_RX_DMA_EN); 668 669 usleep_range(1000, 2000); 670 671 for (i = 0; i < __MT_TXQ_MAX; i++) { 672 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true); 673 if (phy2) 674 mt76_queue_tx_cleanup(dev, phy2->q_tx[i], true); 675 if (phy3) 676 mt76_queue_tx_cleanup(dev, phy3->q_tx[i], true); 677 } 678 679 for (i = 0; i < __MT_MCUQ_MAX; i++) 680 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[i], true); 681 682 mt76_for_each_q_rx(&dev->mt76, i) 683 mt76_queue_rx_cleanup(dev, &dev->mt76.q_rx[i]); 684 685 mt76_tx_status_check(&dev->mt76, true); 686 687 /* reset wfsys */ 688 if (force) 689 mt7996_wfsys_reset(dev); 690 691 if (dev->hif2 && mtk_wed_device_active(&dev->mt76.mmio.wed_hif2)) 692 mtk_wed_device_dma_reset(&dev->mt76.mmio.wed_hif2); 693 694 if (mtk_wed_device_active(&dev->mt76.mmio.wed)) 695 mtk_wed_device_dma_reset(&dev->mt76.mmio.wed); 696 697 mt7996_dma_disable(dev, force); 698 mt76_wed_dma_reset(&dev->mt76); 699 700 /* reset hw queues */ 701 for (i = 0; i < __MT_TXQ_MAX; i++) { 702 mt76_dma_reset_tx_queue(&dev->mt76, dev->mphy.q_tx[i]); 703 if (phy2) 704 mt76_dma_reset_tx_queue(&dev->mt76, phy2->q_tx[i]); 705 if (phy3) 706 mt76_dma_reset_tx_queue(&dev->mt76, phy3->q_tx[i]); 707 } 708 709 for (i = 0; i < __MT_MCUQ_MAX; i++) 710 mt76_queue_reset(dev, dev->mt76.q_mcu[i]); 711 712 mt76_for_each_q_rx(&dev->mt76, i) { 713 if (mtk_wed_device_active(&dev->mt76.mmio.wed)) 714 if (mt76_queue_is_wed_rro(&dev->mt76.q_rx[i]) || 715 mt76_queue_is_wed_tx_free(&dev->mt76.q_rx[i])) 716 continue; 717 718 mt76_queue_reset(dev, &dev->mt76.q_rx[i]); 719 } 720 721 mt76_tx_status_check(&dev->mt76, true); 722 723 mt76_for_each_q_rx(&dev->mt76, i) 724 mt76_queue_rx_reset(dev, i); 725 726 mt7996_dma_enable(dev, !force); 727 } 728 729 void mt7996_dma_cleanup(struct mt7996_dev *dev) 730 { 731 mt7996_dma_disable(dev, true); 732 733 mt76_dma_cleanup(&dev->mt76); 734 } 735