Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 1 | /* |
| 2 | ************************************************************************* |
| 3 | * Ralink Tech Inc. |
| 4 | * 5F., No.36, Taiyuan St., Jhubei City, |
| 5 | * Hsinchu County 302, |
| 6 | * Taiwan, R.O.C. |
| 7 | * |
| 8 | * (c) Copyright 2002-2007, Ralink Technology, Inc. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify * |
| 11 | * it under the terms of the GNU General Public License as published by * |
| 12 | * the Free Software Foundation; either version 2 of the License, or * |
| 13 | * (at your option) any later version. * |
| 14 | * * |
| 15 | * This program is distributed in the hope that it will be useful, * |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 18 | * GNU General Public License for more details. * |
| 19 | * * |
| 20 | * You should have received a copy of the GNU General Public License * |
| 21 | * along with this program; if not, write to the * |
| 22 | * Free Software Foundation, Inc., * |
| 23 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
| 24 | * * |
| 25 | ************************************************************************* |
| 26 | |
| 27 | Module Name: |
| 28 | 2870_main_dev.c |
| 29 | |
| 30 | Abstract: |
| 31 | Create and register network interface. |
| 32 | |
| 33 | Revision History: |
| 34 | Who When What |
| 35 | -------- ---------- ---------------------------------------------- |
| 36 | */ |
| 37 | |
| 38 | #include "rt_config.h" |
| 39 | |
| 40 | |
| 41 | #ifdef MULTIPLE_CARD_SUPPORT |
| 42 | // record whether the card in the card list is used in the card file |
| 43 | extern UINT8 MC_CardUsed[]; |
| 44 | #endif // MULTIPLE_CARD_SUPPORT // |
| 45 | |
| 46 | |
| 47 | extern INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p, |
| 48 | IN UINT argc, OUT PRTMP_ADAPTER *ppAd); |
| 49 | |
| 50 | static void rx_done_tasklet(unsigned long data); |
| 51 | static void mgmt_dma_done_tasklet(unsigned long data); |
| 52 | static void ac0_dma_done_tasklet(unsigned long data); |
| 53 | static void ac1_dma_done_tasklet(unsigned long data); |
| 54 | static void ac2_dma_done_tasklet(unsigned long data); |
| 55 | static void ac3_dma_done_tasklet(unsigned long data); |
| 56 | static void hcca_dma_done_tasklet(unsigned long data); |
| 57 | static void fifo_statistic_full_tasklet(unsigned long data); |
| 58 | |
| 59 | |
| 60 | /*---------------------------------------------------------------------*/ |
| 61 | /* Symbol & Macro Definitions */ |
| 62 | /*---------------------------------------------------------------------*/ |
| 63 | #define RT2860_INT_RX_DLY (1<<0) // bit 0 |
| 64 | #define RT2860_INT_TX_DLY (1<<1) // bit 1 |
| 65 | #define RT2860_INT_RX_DONE (1<<2) // bit 2 |
| 66 | #define RT2860_INT_AC0_DMA_DONE (1<<3) // bit 3 |
| 67 | #define RT2860_INT_AC1_DMA_DONE (1<<4) // bit 4 |
| 68 | #define RT2860_INT_AC2_DMA_DONE (1<<5) // bit 5 |
| 69 | #define RT2860_INT_AC3_DMA_DONE (1<<6) // bit 6 |
| 70 | #define RT2860_INT_HCCA_DMA_DONE (1<<7) // bit 7 |
| 71 | #define RT2860_INT_MGMT_DONE (1<<8) // bit 8 |
| 72 | |
| 73 | #define INT_RX RT2860_INT_RX_DONE |
| 74 | |
| 75 | #define INT_AC0_DLY (RT2860_INT_AC0_DMA_DONE) //| RT2860_INT_TX_DLY) |
| 76 | #define INT_AC1_DLY (RT2860_INT_AC1_DMA_DONE) //| RT2860_INT_TX_DLY) |
| 77 | #define INT_AC2_DLY (RT2860_INT_AC2_DMA_DONE) //| RT2860_INT_TX_DLY) |
| 78 | #define INT_AC3_DLY (RT2860_INT_AC3_DMA_DONE) //| RT2860_INT_TX_DLY) |
| 79 | #define INT_HCCA_DLY (RT2860_INT_HCCA_DMA_DONE) //| RT2860_INT_TX_DLY) |
| 80 | #define INT_MGMT_DLY RT2860_INT_MGMT_DONE |
| 81 | |
| 82 | /*---------------------------------------------------------------------*/ |
| 83 | /* Prototypes of Functions Used */ |
| 84 | /*---------------------------------------------------------------------*/ |
| 85 | /* function declarations */ |
| 86 | static INT __devinit rt2860_init_one (struct pci_dev *pci_dev, const struct pci_device_id *ent); |
| 87 | static VOID __devexit rt2860_remove_one(struct pci_dev *pci_dev); |
| 88 | static INT __devinit rt2860_probe(struct pci_dev *pci_dev, const struct pci_device_id *ent); |
| 89 | void init_thread_task(PRTMP_ADAPTER pAd); |
| 90 | static void __exit rt2860_cleanup_module(void); |
| 91 | static int __init rt2860_init_module(void); |
| 92 | |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 93 | #ifdef CONFIG_PM |
| 94 | static int rt2860_suspend(struct pci_dev *pci_dev, pm_message_t state); |
| 95 | static int rt2860_resume(struct pci_dev *pci_dev); |
| 96 | #endif // CONFIG_PM // |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 97 | |
| 98 | |
| 99 | // |
| 100 | // Ralink PCI device table, include all supported chipsets |
| 101 | // |
| 102 | static struct pci_device_id rt2860_pci_tbl[] __devinitdata = |
| 103 | { |
| 104 | {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2860_PCI_DEVICE_ID)}, //RT28602.4G |
| 105 | {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2860_PCIe_DEVICE_ID)}, |
| 106 | {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2760_PCI_DEVICE_ID)}, |
| 107 | {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2790_PCIe_DEVICE_ID)}, |
| 108 | {PCI_DEVICE(VEN_AWT_PCI_VENDOR_ID, VEN_AWT_PCIe_DEVICE_ID)}, |
| 109 | {0,} // terminate list |
| 110 | }; |
| 111 | |
| 112 | MODULE_DEVICE_TABLE(pci, rt2860_pci_tbl); |
| 113 | #ifdef CONFIG_STA_SUPPORT |
| 114 | MODULE_LICENSE("GPL"); |
| 115 | #ifdef MODULE_VERSION |
| 116 | MODULE_VERSION(STA_DRIVER_VERSION); |
| 117 | #endif |
| 118 | #endif // CONFIG_STA_SUPPORT // |
| 119 | |
| 120 | |
| 121 | // |
| 122 | // Our PCI driver structure |
| 123 | // |
| 124 | static struct pci_driver rt2860_driver = |
| 125 | { |
| 126 | name: "rt2860", |
| 127 | id_table: rt2860_pci_tbl, |
| 128 | probe: rt2860_init_one, |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 129 | remove: __devexit_p(rt2860_remove_one), |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 130 | |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 131 | #ifdef CONFIG_PM |
| 132 | suspend: rt2860_suspend, |
| 133 | resume: rt2860_resume, |
| 134 | #endif |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 135 | }; |
| 136 | |
| 137 | |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 138 | #ifdef CONFIG_PM |
| 139 | |
| 140 | VOID RT2860RejectPendingPackets( |
| 141 | IN PRTMP_ADAPTER pAd) |
| 142 | { |
| 143 | // clear PS packets |
| 144 | // clear TxSw packets |
| 145 | } |
| 146 | |
| 147 | static int rt2860_suspend( |
| 148 | struct pci_dev *pci_dev, |
| 149 | pm_message_t state) |
| 150 | { |
| 151 | struct net_device *net_dev = pci_get_drvdata(pci_dev); |
| 152 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL; |
| 153 | INT32 retval; |
| 154 | |
| 155 | |
| 156 | DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_suspend()\n")); |
| 157 | |
| 158 | if (net_dev == NULL) |
| 159 | { |
| 160 | DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n")); |
| 161 | } |
| 162 | else |
| 163 | { |
Greg Kroah-Hartman | 739b797 | 2009-01-05 14:19:51 -0800 | [diff] [blame] | 164 | pAd = net_dev->ml_priv; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 165 | |
| 166 | /* we can not use IFF_UP because ra0 down but ra1 up */ |
| 167 | /* and 1 suspend/resume function for 1 module, not for each interface */ |
| 168 | /* so Linux will call suspend/resume function once */ |
| 169 | if (VIRTUAL_IF_NUM(pAd) > 0) |
| 170 | { |
| 171 | // avoid users do suspend after interface is down |
| 172 | |
| 173 | // stop interface |
| 174 | netif_carrier_off(net_dev); |
| 175 | netif_stop_queue(net_dev); |
| 176 | |
| 177 | // mark device as removed from system and therefore no longer available |
| 178 | netif_device_detach(net_dev); |
| 179 | |
| 180 | // mark halt flag |
| 181 | RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); |
| 182 | RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF); |
| 183 | |
| 184 | // take down the device |
| 185 | rt28xx_close((PNET_DEV)net_dev); |
| 186 | |
| 187 | RT_MOD_DEC_USE_COUNT(); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | // reference to http://vovo2000.com/type-lab/linux/kernel-api/linux-kernel-api.html |
| 192 | // enable device to generate PME# when suspended |
| 193 | // pci_choose_state(): Choose the power state of a PCI device to be suspended |
| 194 | retval = pci_enable_wake(pci_dev, pci_choose_state(pci_dev, state), 1); |
| 195 | // save the PCI configuration space of a device before suspending |
| 196 | pci_save_state(pci_dev); |
| 197 | // disable PCI device after use |
| 198 | pci_disable_device(pci_dev); |
| 199 | |
| 200 | retval = pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); |
| 201 | |
| 202 | DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_suspend()\n")); |
| 203 | return retval; |
| 204 | } |
| 205 | |
| 206 | static int rt2860_resume( |
| 207 | struct pci_dev *pci_dev) |
| 208 | { |
| 209 | struct net_device *net_dev = pci_get_drvdata(pci_dev); |
| 210 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL; |
| 211 | INT32 retval; |
| 212 | |
| 213 | |
| 214 | // set the power state of a PCI device |
| 215 | // PCI has 4 power states, DO (normal) ~ D3(less power) |
| 216 | // in include/linux/pci.h, you can find that |
| 217 | // #define PCI_D0 ((pci_power_t __force) 0) |
| 218 | // #define PCI_D1 ((pci_power_t __force) 1) |
| 219 | // #define PCI_D2 ((pci_power_t __force) 2) |
| 220 | // #define PCI_D3hot ((pci_power_t __force) 3) |
| 221 | // #define PCI_D3cold ((pci_power_t __force) 4) |
| 222 | // #define PCI_UNKNOWN ((pci_power_t __force) 5) |
| 223 | // #define PCI_POWER_ERROR ((pci_power_t __force) -1) |
| 224 | retval = pci_set_power_state(pci_dev, PCI_D0); |
| 225 | |
| 226 | // restore the saved state of a PCI device |
| 227 | pci_restore_state(pci_dev); |
| 228 | |
| 229 | // initialize device before it's used by a driver |
| 230 | if (pci_enable_device(pci_dev)) |
| 231 | { |
| 232 | printk("pci enable fail!\n"); |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_resume()\n")); |
| 237 | |
| 238 | if (net_dev == NULL) |
| 239 | { |
| 240 | DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n")); |
| 241 | } |
| 242 | else |
Greg Kroah-Hartman | 739b797 | 2009-01-05 14:19:51 -0800 | [diff] [blame] | 243 | pAd = net_dev->ml_priv; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 244 | |
| 245 | if (pAd != NULL) |
| 246 | { |
| 247 | /* we can not use IFF_UP because ra0 down but ra1 up */ |
| 248 | /* and 1 suspend/resume function for 1 module, not for each interface */ |
| 249 | /* so Linux will call suspend/resume function once */ |
| 250 | if (VIRTUAL_IF_NUM(pAd) > 0) |
| 251 | { |
| 252 | // mark device as attached from system and restart if needed |
| 253 | netif_device_attach(net_dev); |
| 254 | |
| 255 | if (rt28xx_open((PNET_DEV)net_dev) != 0) |
| 256 | { |
| 257 | // open fail |
| 258 | DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_resume()\n")); |
| 259 | return 0; |
| 260 | } |
| 261 | |
| 262 | // increase MODULE use count |
| 263 | RT_MOD_INC_USE_COUNT(); |
| 264 | |
| 265 | RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); |
| 266 | RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF); |
| 267 | |
| 268 | netif_start_queue(net_dev); |
| 269 | netif_carrier_on(net_dev); |
| 270 | netif_wake_queue(net_dev); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_resume()\n")); |
| 275 | return 0; |
| 276 | } |
| 277 | #endif // CONFIG_PM // |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 278 | |
| 279 | |
| 280 | static INT __init rt2860_init_module(VOID) |
| 281 | { |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 282 | return pci_register_driver(&rt2860_driver); |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | |
| 286 | // |
| 287 | // Driver module unload function |
| 288 | // |
| 289 | static VOID __exit rt2860_cleanup_module(VOID) |
| 290 | { |
| 291 | pci_unregister_driver(&rt2860_driver); |
| 292 | } |
| 293 | |
| 294 | module_init(rt2860_init_module); |
| 295 | module_exit(rt2860_cleanup_module); |
| 296 | |
| 297 | |
| 298 | static INT __devinit rt2860_init_one ( |
| 299 | IN struct pci_dev *pci_dev, |
| 300 | IN const struct pci_device_id *ent) |
| 301 | { |
| 302 | INT rc; |
| 303 | |
| 304 | DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_init_one\n")); |
| 305 | |
| 306 | // wake up and enable device |
| 307 | if (pci_enable_device (pci_dev)) |
| 308 | { |
| 309 | rc = -EIO; |
| 310 | } |
| 311 | else |
| 312 | { |
| 313 | rc = rt2860_probe(pci_dev, ent); |
| 314 | } |
| 315 | |
| 316 | DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_init_one\n")); |
| 317 | return rc; |
| 318 | } |
| 319 | |
| 320 | |
| 321 | static VOID __devexit rt2860_remove_one( |
| 322 | IN struct pci_dev *pci_dev) |
| 323 | { |
| 324 | struct net_device *net_dev = pci_get_drvdata(pci_dev); |
Greg Kroah-Hartman | 739b797 | 2009-01-05 14:19:51 -0800 | [diff] [blame] | 325 | RTMP_ADAPTER *pAd = net_dev->ml_priv; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 326 | |
| 327 | DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_remove_one\n")); |
| 328 | |
| 329 | if (pAd != NULL) |
| 330 | { |
| 331 | #ifdef MULTIPLE_CARD_SUPPORT |
| 332 | if ((pAd->MC_RowID >= 0) && (pAd->MC_RowID <= MAX_NUM_OF_MULTIPLE_CARD)) |
| 333 | MC_CardUsed[pAd->MC_RowID] = 0; // not clear MAC address |
| 334 | #endif // MULTIPLE_CARD_SUPPORT // |
| 335 | |
| 336 | |
| 337 | |
| 338 | |
| 339 | // Unregister network device |
| 340 | unregister_netdev(net_dev); |
| 341 | |
| 342 | // Unmap CSR base address |
| 343 | iounmap((char *)(net_dev->base_addr)); |
| 344 | |
| 345 | RTMPFreeAdapter(pAd); |
| 346 | |
| 347 | // release memory region |
| 348 | release_mem_region(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0)); |
| 349 | } |
| 350 | else |
| 351 | { |
| 352 | // Unregister network device |
| 353 | unregister_netdev(net_dev); |
| 354 | |
| 355 | // Unmap CSR base address |
| 356 | iounmap((char *)(net_dev->base_addr)); |
| 357 | |
| 358 | // release memory region |
| 359 | release_mem_region(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0)); |
| 360 | } |
| 361 | |
| 362 | // Free pre-allocated net_device memory |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 363 | free_netdev(net_dev); |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | // |
| 367 | // PCI device probe & initialization function |
| 368 | // |
| 369 | static INT __devinit rt2860_probe( |
| 370 | IN struct pci_dev *pci_dev, |
| 371 | IN const struct pci_device_id *ent) |
| 372 | { |
| 373 | PRTMP_ADAPTER pAd; |
| 374 | INT rv = 0; |
| 375 | |
| 376 | rv = (INT)rt28xx_probe((void *)pci_dev, (void *)ent, 0, &pAd); |
| 377 | OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE); |
| 378 | return rv; |
| 379 | } |
| 380 | |
| 381 | |
| 382 | void init_thread_task(IN PRTMP_ADAPTER pAd) |
| 383 | { |
| 384 | POS_COOKIE pObj; |
| 385 | |
| 386 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 387 | |
| 388 | tasklet_init(&pObj->rx_done_task, rx_done_tasklet, (unsigned long)pAd); |
| 389 | tasklet_init(&pObj->mgmt_dma_done_task, mgmt_dma_done_tasklet, (unsigned long)pAd); |
| 390 | tasklet_init(&pObj->ac0_dma_done_task, ac0_dma_done_tasklet, (unsigned long)pAd); |
| 391 | tasklet_init(&pObj->ac1_dma_done_task, ac1_dma_done_tasklet, (unsigned long)pAd); |
| 392 | tasklet_init(&pObj->ac2_dma_done_task, ac2_dma_done_tasklet, (unsigned long)pAd); |
| 393 | tasklet_init(&pObj->ac3_dma_done_task, ac3_dma_done_tasklet, (unsigned long)pAd); |
| 394 | tasklet_init(&pObj->hcca_dma_done_task, hcca_dma_done_tasklet, (unsigned long)pAd); |
| 395 | tasklet_init(&pObj->tbtt_task, tbtt_tasklet, (unsigned long)pAd); |
| 396 | tasklet_init(&pObj->fifo_statistic_full_task, fifo_statistic_full_tasklet, (unsigned long)pAd); |
| 397 | } |
| 398 | |
| 399 | void kill_thread_task(IN PRTMP_ADAPTER pAd) |
| 400 | { |
| 401 | POS_COOKIE pObj; |
| 402 | |
| 403 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 404 | |
| 405 | tasklet_kill(&pObj->rx_done_task); |
| 406 | tasklet_kill(&pObj->mgmt_dma_done_task); |
| 407 | tasklet_kill(&pObj->ac0_dma_done_task); |
| 408 | tasklet_kill(&pObj->ac1_dma_done_task); |
| 409 | tasklet_kill(&pObj->ac2_dma_done_task); |
| 410 | tasklet_kill(&pObj->ac3_dma_done_task); |
| 411 | tasklet_kill(&pObj->hcca_dma_done_task); |
| 412 | tasklet_kill(&pObj->tbtt_task); |
| 413 | tasklet_kill(&pObj->fifo_statistic_full_task); |
| 414 | } |
| 415 | |
| 416 | |
| 417 | static void rt2860_int_enable(PRTMP_ADAPTER pAd, unsigned int mode) |
| 418 | { |
| 419 | u32 regValue; |
| 420 | |
| 421 | pAd->int_disable_mask &= ~(mode); |
| 422 | regValue = pAd->int_enable_reg & ~(pAd->int_disable_mask); |
| 423 | RTMP_IO_WRITE32(pAd, INT_MASK_CSR, regValue); // 1:enable |
| 424 | |
| 425 | if (regValue != 0) |
| 426 | RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE); |
| 427 | } |
| 428 | |
| 429 | |
| 430 | static void rt2860_int_disable(PRTMP_ADAPTER pAd, unsigned int mode) |
| 431 | { |
| 432 | u32 regValue; |
| 433 | |
| 434 | pAd->int_disable_mask |= mode; |
| 435 | regValue = pAd->int_enable_reg & ~(pAd->int_disable_mask); |
| 436 | RTMP_IO_WRITE32(pAd, INT_MASK_CSR, regValue); // 0: disable |
| 437 | |
| 438 | if (regValue == 0) |
| 439 | { |
| 440 | RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE); |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | static void mgmt_dma_done_tasklet(unsigned long data) |
| 445 | { |
| 446 | unsigned long flags; |
| 447 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 448 | INT_SOURCE_CSR_STRUC IntSource; |
| 449 | POS_COOKIE pObj; |
| 450 | |
| 451 | // Do nothing if the driver is starting halt state. |
| 452 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 453 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 454 | return; |
| 455 | |
| 456 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 457 | |
| 458 | IntSource.word = 0; |
| 459 | IntSource.field.MgmtDmaDone = 1; |
| 460 | pAd->int_pending &= ~INT_MGMT_DLY; |
| 461 | |
| 462 | RTMPHandleMgmtRingDmaDoneInterrupt(pAd); |
| 463 | |
| 464 | // if you use RTMP_SEM_LOCK, sometimes kernel will hang up, no any |
| 465 | // bug report output |
| 466 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 467 | /* |
| 468 | * double check to avoid lose of interrupts |
| 469 | */ |
| 470 | if (pAd->int_pending & INT_MGMT_DLY) |
| 471 | { |
| 472 | tasklet_hi_schedule(&pObj->mgmt_dma_done_task); |
| 473 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 474 | return; |
| 475 | } |
| 476 | |
| 477 | /* enable TxDataInt again */ |
| 478 | rt2860_int_enable(pAd, INT_MGMT_DLY); |
| 479 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 480 | } |
| 481 | |
| 482 | static void rx_done_tasklet(unsigned long data) |
| 483 | { |
| 484 | unsigned long flags; |
| 485 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 486 | BOOLEAN bReschedule = 0; |
| 487 | POS_COOKIE pObj; |
| 488 | |
| 489 | // Do nothing if the driver is starting halt state. |
| 490 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 491 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 492 | return; |
| 493 | |
| 494 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 495 | |
| 496 | pAd->int_pending &= ~(INT_RX); |
| 497 | #ifdef CONFIG_STA_SUPPORT |
| 498 | IF_DEV_CONFIG_OPMODE_ON_STA(pAd) |
| 499 | bReschedule = STARxDoneInterruptHandle(pAd, 0); |
| 500 | #endif // CONFIG_STA_SUPPORT // |
| 501 | |
| 502 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 503 | /* |
| 504 | * double check to avoid rotting packet |
| 505 | */ |
| 506 | if (pAd->int_pending & INT_RX || bReschedule) |
| 507 | { |
| 508 | tasklet_hi_schedule(&pObj->rx_done_task); |
| 509 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 510 | return; |
| 511 | } |
| 512 | |
| 513 | /* enable RxINT again */ |
| 514 | rt2860_int_enable(pAd, INT_RX); |
| 515 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 516 | |
| 517 | } |
| 518 | |
| 519 | void fifo_statistic_full_tasklet(unsigned long data) |
| 520 | { |
| 521 | unsigned long flags; |
| 522 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 523 | POS_COOKIE pObj; |
| 524 | |
| 525 | // Do nothing if the driver is starting halt state. |
| 526 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 527 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 528 | return; |
| 529 | |
| 530 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 531 | |
| 532 | pAd->int_pending &= ~(FifoStaFullInt); |
| 533 | NICUpdateFifoStaCounters(pAd); |
| 534 | |
| 535 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 536 | /* |
| 537 | * double check to avoid rotting packet |
| 538 | */ |
| 539 | if (pAd->int_pending & FifoStaFullInt) |
| 540 | { |
| 541 | tasklet_hi_schedule(&pObj->fifo_statistic_full_task); |
| 542 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 543 | return; |
| 544 | } |
| 545 | |
| 546 | /* enable RxINT again */ |
| 547 | |
| 548 | rt2860_int_enable(pAd, FifoStaFullInt); |
| 549 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 550 | |
| 551 | } |
| 552 | |
| 553 | static void hcca_dma_done_tasklet(unsigned long data) |
| 554 | { |
| 555 | unsigned long flags; |
| 556 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 557 | INT_SOURCE_CSR_STRUC IntSource; |
| 558 | POS_COOKIE pObj; |
| 559 | |
| 560 | // Do nothing if the driver is starting halt state. |
| 561 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 562 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 563 | return; |
| 564 | |
| 565 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 566 | |
| 567 | |
| 568 | IntSource.word = 0; |
| 569 | IntSource.field.HccaDmaDone = 1; |
| 570 | pAd->int_pending &= ~INT_HCCA_DLY; |
| 571 | |
| 572 | RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource); |
| 573 | |
| 574 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 575 | /* |
| 576 | * double check to avoid lose of interrupts |
| 577 | */ |
| 578 | if (pAd->int_pending & INT_HCCA_DLY) |
| 579 | { |
| 580 | tasklet_hi_schedule(&pObj->hcca_dma_done_task); |
| 581 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 582 | return; |
| 583 | } |
| 584 | |
| 585 | /* enable TxDataInt again */ |
| 586 | rt2860_int_enable(pAd, INT_HCCA_DLY); |
| 587 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 588 | } |
| 589 | |
| 590 | static void ac3_dma_done_tasklet(unsigned long data) |
| 591 | { |
| 592 | unsigned long flags; |
| 593 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 594 | INT_SOURCE_CSR_STRUC IntSource; |
| 595 | POS_COOKIE pObj; |
| 596 | BOOLEAN bReschedule = 0; |
| 597 | |
| 598 | // Do nothing if the driver is starting halt state. |
| 599 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 600 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 601 | return; |
| 602 | |
| 603 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 604 | |
| 605 | IntSource.word = 0; |
| 606 | IntSource.field.Ac3DmaDone = 1; |
| 607 | pAd->int_pending &= ~INT_AC3_DLY; |
| 608 | |
| 609 | bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource); |
| 610 | |
| 611 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 612 | /* |
| 613 | * double check to avoid lose of interrupts |
| 614 | */ |
| 615 | if ((pAd->int_pending & INT_AC3_DLY) || bReschedule) |
| 616 | { |
| 617 | tasklet_hi_schedule(&pObj->ac3_dma_done_task); |
| 618 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 619 | return; |
| 620 | } |
| 621 | |
| 622 | /* enable TxDataInt again */ |
| 623 | rt2860_int_enable(pAd, INT_AC3_DLY); |
| 624 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 625 | } |
| 626 | |
| 627 | static void ac2_dma_done_tasklet(unsigned long data) |
| 628 | { |
| 629 | unsigned long flags; |
| 630 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 631 | INT_SOURCE_CSR_STRUC IntSource; |
| 632 | POS_COOKIE pObj; |
| 633 | BOOLEAN bReschedule = 0; |
| 634 | |
| 635 | // Do nothing if the driver is starting halt state. |
| 636 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 637 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 638 | return; |
| 639 | |
| 640 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 641 | |
| 642 | IntSource.word = 0; |
| 643 | IntSource.field.Ac2DmaDone = 1; |
| 644 | pAd->int_pending &= ~INT_AC2_DLY; |
| 645 | |
| 646 | bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource); |
| 647 | |
| 648 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 649 | |
| 650 | /* |
| 651 | * double check to avoid lose of interrupts |
| 652 | */ |
| 653 | if ((pAd->int_pending & INT_AC2_DLY) || bReschedule) |
| 654 | { |
| 655 | tasklet_hi_schedule(&pObj->ac2_dma_done_task); |
| 656 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 657 | return; |
| 658 | } |
| 659 | |
| 660 | /* enable TxDataInt again */ |
| 661 | rt2860_int_enable(pAd, INT_AC2_DLY); |
| 662 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 663 | } |
| 664 | |
| 665 | static void ac1_dma_done_tasklet(unsigned long data) |
| 666 | { |
| 667 | unsigned long flags; |
| 668 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 669 | INT_SOURCE_CSR_STRUC IntSource; |
| 670 | POS_COOKIE pObj; |
| 671 | BOOLEAN bReschedule = 0; |
| 672 | |
| 673 | // Do nothing if the driver is starting halt state. |
| 674 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 675 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 676 | return; |
| 677 | |
| 678 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 679 | |
| 680 | IntSource.word = 0; |
| 681 | IntSource.field.Ac1DmaDone = 1; |
| 682 | pAd->int_pending &= ~INT_AC1_DLY; |
| 683 | |
| 684 | bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource); |
| 685 | |
| 686 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 687 | /* |
| 688 | * double check to avoid lose of interrupts |
| 689 | */ |
| 690 | if ((pAd->int_pending & INT_AC1_DLY) || bReschedule) |
| 691 | { |
| 692 | tasklet_hi_schedule(&pObj->ac1_dma_done_task); |
| 693 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 694 | return; |
| 695 | } |
| 696 | |
| 697 | /* enable TxDataInt again */ |
| 698 | rt2860_int_enable(pAd, INT_AC1_DLY); |
| 699 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 700 | } |
| 701 | |
| 702 | static void ac0_dma_done_tasklet(unsigned long data) |
| 703 | { |
| 704 | unsigned long flags; |
| 705 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; |
| 706 | INT_SOURCE_CSR_STRUC IntSource; |
| 707 | POS_COOKIE pObj; |
| 708 | BOOLEAN bReschedule = 0; |
| 709 | |
| 710 | // Do nothing if the driver is starting halt state. |
| 711 | // This might happen when timer already been fired before cancel timer with mlmehalt |
| 712 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) |
| 713 | return; |
| 714 | |
| 715 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 716 | |
| 717 | IntSource.word = 0; |
| 718 | IntSource.field.Ac0DmaDone = 1; |
| 719 | pAd->int_pending &= ~INT_AC0_DLY; |
| 720 | |
| 721 | bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource); |
| 722 | |
| 723 | RTMP_INT_LOCK(&pAd->irq_lock, flags); |
| 724 | /* |
| 725 | * double check to avoid lose of interrupts |
| 726 | */ |
| 727 | if ((pAd->int_pending & INT_AC0_DLY) || bReschedule) |
| 728 | { |
| 729 | tasklet_hi_schedule(&pObj->ac0_dma_done_task); |
| 730 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 731 | return; |
| 732 | } |
| 733 | |
| 734 | /* enable TxDataInt again */ |
| 735 | rt2860_int_enable(pAd, INT_AC0_DLY); |
| 736 | RTMP_INT_UNLOCK(&pAd->irq_lock, flags); |
| 737 | } |
| 738 | |
| 739 | |
| 740 | int print_int_count; |
| 741 | |
| 742 | IRQ_HANDLE_TYPE |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 743 | rt2860_interrupt(int irq, void *dev_instance) |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 744 | { |
| 745 | struct net_device *net_dev = (struct net_device *) dev_instance; |
Greg Kroah-Hartman | 739b797 | 2009-01-05 14:19:51 -0800 | [diff] [blame] | 746 | PRTMP_ADAPTER pAd = net_dev->ml_priv; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 747 | INT_SOURCE_CSR_STRUC IntSource; |
| 748 | POS_COOKIE pObj; |
Adam McDaniel | ed291e8 | 2009-02-23 08:01:07 -0700 | [diff] [blame] | 749 | BOOLEAN bOldValue; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 750 | |
| 751 | pObj = (POS_COOKIE) pAd->OS_Cookie; |
| 752 | |
| 753 | |
| 754 | /* Note 03312008: we can not return here before |
| 755 | RTMP_IO_READ32(pAd, INT_SOURCE_CSR, &IntSource.word); |
| 756 | RTMP_IO_WRITE32(pAd, INT_SOURCE_CSR, IntSource.word); |
| 757 | Or kernel will panic after ifconfig ra0 down sometimes */ |
| 758 | |
| 759 | |
| 760 | // |
| 761 | // Inital the Interrupt source. |
| 762 | // |
| 763 | IntSource.word = 0x00000000L; |
| 764 | // McuIntSource.word = 0x00000000L; |
| 765 | |
| 766 | // |
| 767 | // Get the interrupt sources & saved to local variable |
| 768 | // |
| 769 | //RTMP_IO_READ32(pAd, where, &McuIntSource.word); |
| 770 | //RTMP_IO_WRITE32(pAd, , McuIntSource.word); |
| 771 | |
| 772 | // |
| 773 | // Flag fOP_STATUS_DOZE On, means ASIC put to sleep, elase means ASICK WakeUp |
| 774 | // And at the same time, clock maybe turned off that say there is no DMA service. |
| 775 | // when ASIC get to sleep. |
| 776 | // To prevent system hang on power saving. |
| 777 | // We need to check it before handle the INT_SOURCE_CSR, ASIC must be wake up. |
| 778 | // |
| 779 | // RT2661 => when ASIC is sleeping, MAC register cannot be read and written. |
| 780 | // RT2860 => when ASIC is sleeping, MAC register can be read and written. |
| 781 | |
Adam McDaniel | ed291e8 | 2009-02-23 08:01:07 -0700 | [diff] [blame] | 782 | bOldValue = pAd->bPCIclkOff; |
| 783 | pAd->bPCIclkOff = FALSE; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 784 | { |
| 785 | RTMP_IO_READ32(pAd, INT_SOURCE_CSR, &IntSource.word); |
| 786 | RTMP_IO_WRITE32(pAd, INT_SOURCE_CSR, IntSource.word); // write 1 to clear |
| 787 | } |
Adam McDaniel | ed291e8 | 2009-02-23 08:01:07 -0700 | [diff] [blame] | 788 | pAd->bPCIclkOff = bOldValue; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 789 | |
| 790 | // Do nothing if Reset in progress |
| 791 | if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS) || |
| 792 | RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS)) |
| 793 | { |
Pekka Enberg | 7f20a18 | 2009-01-13 20:51:11 +0200 | [diff] [blame] | 794 | return IRQ_HANDLED; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 795 | } |
| 796 | |
| 797 | // |
| 798 | // Handle interrupt, walk through all bits |
| 799 | // Should start from highest priority interrupt |
| 800 | // The priority can be adjust by altering processing if statement |
| 801 | // |
| 802 | |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 803 | // If required spinlock, each interrupt service routine has to acquire |
| 804 | // and release itself. |
| 805 | // |
| 806 | |
| 807 | // Do nothing if NIC doesn't exist |
| 808 | if (IntSource.word == 0xffffffff) |
| 809 | { |
| 810 | RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST | fRTMP_ADAPTER_HALT_IN_PROGRESS); |
Adam McDaniel | ed291e8 | 2009-02-23 08:01:07 -0700 | [diff] [blame] | 811 | printk("snowpin - IntSource.word == 0xffffffff\n"); |
Pekka Enberg | 7f20a18 | 2009-01-13 20:51:11 +0200 | [diff] [blame] | 812 | return IRQ_HANDLED; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | if (IntSource.word & TxCoherent) |
| 816 | { |
| 817 | DBGPRINT(RT_DEBUG_ERROR, (">>>TxCoherent<<<\n")); |
| 818 | RTMPHandleRxCoherentInterrupt(pAd); |
| 819 | } |
| 820 | |
| 821 | if (IntSource.word & RxCoherent) |
| 822 | { |
| 823 | DBGPRINT(RT_DEBUG_ERROR, (">>>RxCoherent<<<\n")); |
| 824 | RTMPHandleRxCoherentInterrupt(pAd); |
| 825 | } |
| 826 | |
| 827 | if (IntSource.word & FifoStaFullInt) |
| 828 | { |
| 829 | #if 1 |
| 830 | if ((pAd->int_disable_mask & FifoStaFullInt) == 0) |
| 831 | { |
| 832 | /* mask FifoStaFullInt */ |
| 833 | rt2860_int_disable(pAd, FifoStaFullInt); |
| 834 | tasklet_hi_schedule(&pObj->fifo_statistic_full_task); |
| 835 | } |
| 836 | pAd->int_pending |= FifoStaFullInt; |
| 837 | #else |
| 838 | NICUpdateFifoStaCounters(pAd); |
| 839 | #endif |
| 840 | } |
| 841 | |
| 842 | if (IntSource.word & INT_MGMT_DLY) |
| 843 | { |
| 844 | if ((pAd->int_disable_mask & INT_MGMT_DLY) ==0 ) |
| 845 | { |
| 846 | rt2860_int_disable(pAd, INT_MGMT_DLY); |
| 847 | tasklet_hi_schedule(&pObj->mgmt_dma_done_task); |
| 848 | } |
| 849 | pAd->int_pending |= INT_MGMT_DLY ; |
| 850 | } |
| 851 | |
| 852 | if (IntSource.word & INT_RX) |
| 853 | { |
| 854 | if ((pAd->int_disable_mask & INT_RX) == 0) |
| 855 | { |
| 856 | /* mask RxINT */ |
| 857 | rt2860_int_disable(pAd, INT_RX); |
| 858 | tasklet_hi_schedule(&pObj->rx_done_task); |
| 859 | } |
| 860 | pAd->int_pending |= INT_RX; |
| 861 | } |
| 862 | |
| 863 | if (IntSource.word & INT_HCCA_DLY) |
| 864 | { |
| 865 | |
| 866 | if ((pAd->int_disable_mask & INT_HCCA_DLY) == 0) |
| 867 | { |
| 868 | /* mask TxDataInt */ |
| 869 | rt2860_int_disable(pAd, INT_HCCA_DLY); |
| 870 | tasklet_hi_schedule(&pObj->hcca_dma_done_task); |
| 871 | } |
| 872 | pAd->int_pending |= INT_HCCA_DLY; |
| 873 | } |
| 874 | |
| 875 | if (IntSource.word & INT_AC3_DLY) |
| 876 | { |
| 877 | |
| 878 | if ((pAd->int_disable_mask & INT_AC3_DLY) == 0) |
| 879 | { |
| 880 | /* mask TxDataInt */ |
| 881 | rt2860_int_disable(pAd, INT_AC3_DLY); |
| 882 | tasklet_hi_schedule(&pObj->ac3_dma_done_task); |
| 883 | } |
| 884 | pAd->int_pending |= INT_AC3_DLY; |
| 885 | } |
| 886 | |
| 887 | if (IntSource.word & INT_AC2_DLY) |
| 888 | { |
| 889 | |
| 890 | if ((pAd->int_disable_mask & INT_AC2_DLY) == 0) |
| 891 | { |
| 892 | /* mask TxDataInt */ |
| 893 | rt2860_int_disable(pAd, INT_AC2_DLY); |
| 894 | tasklet_hi_schedule(&pObj->ac2_dma_done_task); |
| 895 | } |
| 896 | pAd->int_pending |= INT_AC2_DLY; |
| 897 | } |
| 898 | |
| 899 | if (IntSource.word & INT_AC1_DLY) |
| 900 | { |
| 901 | |
| 902 | pAd->int_pending |= INT_AC1_DLY; |
| 903 | |
| 904 | if ((pAd->int_disable_mask & INT_AC1_DLY) == 0) |
| 905 | { |
| 906 | /* mask TxDataInt */ |
| 907 | rt2860_int_disable(pAd, INT_AC1_DLY); |
| 908 | tasklet_hi_schedule(&pObj->ac1_dma_done_task); |
| 909 | } |
| 910 | |
| 911 | } |
| 912 | |
| 913 | if (IntSource.word & INT_AC0_DLY) |
| 914 | { |
| 915 | pAd->int_pending |= INT_AC0_DLY; |
| 916 | |
| 917 | if ((pAd->int_disable_mask & INT_AC0_DLY) == 0) |
| 918 | { |
| 919 | /* mask TxDataInt */ |
| 920 | rt2860_int_disable(pAd, INT_AC0_DLY); |
| 921 | tasklet_hi_schedule(&pObj->ac0_dma_done_task); |
| 922 | } |
| 923 | |
| 924 | } |
| 925 | |
| 926 | if (IntSource.word & PreTBTTInt) |
| 927 | { |
| 928 | RTMPHandlePreTBTTInterrupt(pAd); |
| 929 | } |
| 930 | |
| 931 | if (IntSource.word & TBTTInt) |
| 932 | { |
| 933 | RTMPHandleTBTTInterrupt(pAd); |
| 934 | } |
| 935 | |
| 936 | |
| 937 | |
| 938 | #ifdef CONFIG_STA_SUPPORT |
| 939 | IF_DEV_CONFIG_OPMODE_ON_STA(pAd) |
| 940 | { |
| 941 | if (IntSource.word & AutoWakeupInt) |
| 942 | RTMPHandleTwakeupInterrupt(pAd); |
| 943 | } |
| 944 | #endif // CONFIG_STA_SUPPORT // |
| 945 | |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 946 | return IRQ_HANDLED; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 947 | } |
| 948 | |
| 949 | /* |
| 950 | ======================================================================== |
| 951 | Routine Description: |
| 952 | Check the chipset vendor/product ID. |
| 953 | |
| 954 | Arguments: |
| 955 | _dev_p Point to the PCI or USB device |
| 956 | |
| 957 | Return Value: |
| 958 | TRUE Check ok |
| 959 | FALSE Check fail |
| 960 | |
| 961 | Note: |
| 962 | ======================================================================== |
| 963 | */ |
| 964 | BOOLEAN RT28XXChipsetCheck( |
| 965 | IN void *_dev_p) |
| 966 | { |
| 967 | /* always TRUE */ |
| 968 | return TRUE; |
| 969 | } |
| 970 | |
| 971 | |
| 972 | /* |
| 973 | ======================================================================== |
| 974 | Routine Description: |
| 975 | Init net device structure. |
| 976 | |
| 977 | Arguments: |
| 978 | _dev_p Point to the PCI or USB device |
| 979 | *net_dev Point to the net device |
| 980 | *pAd the raxx interface data pointer |
| 981 | |
| 982 | Return Value: |
| 983 | TRUE Init ok |
| 984 | FALSE Init fail |
| 985 | |
| 986 | Note: |
| 987 | ======================================================================== |
| 988 | */ |
| 989 | BOOLEAN RT28XXNetDevInit( |
| 990 | IN void *_dev_p, |
| 991 | IN struct net_device *net_dev, |
| 992 | IN RTMP_ADAPTER *pAd) |
| 993 | { |
| 994 | struct pci_dev *pci_dev = (struct pci_dev *)_dev_p; |
Greg Kroah-Hartman | 26f0bcd | 2008-11-13 15:37:21 -0800 | [diff] [blame] | 995 | const CHAR *print_name; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 996 | ULONG csr_addr; |
| 997 | |
| 998 | |
Pekka Enberg | 7f20a18 | 2009-01-13 20:51:11 +0200 | [diff] [blame] | 999 | print_name = pci_dev ? pci_name(pci_dev) : "rt2860"; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 1000 | |
| 1001 | net_dev->base_addr = 0; |
| 1002 | net_dev->irq = 0; |
| 1003 | |
| 1004 | if (pci_request_regions(pci_dev, print_name)) |
| 1005 | goto err_out_free_netdev; |
| 1006 | |
| 1007 | // interrupt IRQ number |
| 1008 | net_dev->irq = pci_dev->irq; |
| 1009 | |
| 1010 | // map physical address to virtual address for accessing register |
| 1011 | csr_addr = (unsigned long) ioremap(pci_resource_start(pci_dev, 0), |
| 1012 | pci_resource_len(pci_dev, 0)); |
| 1013 | |
| 1014 | if (!csr_addr) |
| 1015 | { |
| 1016 | DBGPRINT(RT_DEBUG_ERROR, |
| 1017 | ("ioremap failed for device %s, region 0x%lX @ 0x%lX\n", |
| 1018 | print_name, (ULONG)pci_resource_len(pci_dev, 0), |
| 1019 | (ULONG)pci_resource_start(pci_dev, 0))); |
| 1020 | goto err_out_free_res; |
| 1021 | } |
| 1022 | |
| 1023 | // Save CSR virtual address and irq to device structure |
| 1024 | net_dev->base_addr = csr_addr; |
| 1025 | pAd->CSRBaseAddress = (PUCHAR)net_dev->base_addr; |
| 1026 | |
| 1027 | // Set DMA master |
| 1028 | pci_set_master(pci_dev); |
| 1029 | |
| 1030 | net_dev->priv_flags = INT_MAIN; |
| 1031 | |
| 1032 | DBGPRINT(RT_DEBUG_TRACE, ("%s: at 0x%lx, VA 0x%lx, IRQ %d. \n", |
| 1033 | net_dev->name, (ULONG)pci_resource_start(pci_dev, 0), |
| 1034 | (ULONG)csr_addr, pci_dev->irq)); |
| 1035 | return TRUE; |
| 1036 | |
| 1037 | |
| 1038 | /* --------------------------- ERROR HANDLE --------------------------- */ |
| 1039 | err_out_free_res: |
| 1040 | pci_release_regions(pci_dev); |
| 1041 | err_out_free_netdev: |
| 1042 | /* free netdev in caller, not here */ |
| 1043 | return FALSE; |
| 1044 | } |
| 1045 | |
| 1046 | |
| 1047 | /* |
| 1048 | ======================================================================== |
| 1049 | Routine Description: |
| 1050 | Init net device structure. |
| 1051 | |
| 1052 | Arguments: |
| 1053 | _dev_p Point to the PCI or USB device |
| 1054 | *pAd the raxx interface data pointer |
| 1055 | |
| 1056 | Return Value: |
| 1057 | TRUE Config ok |
| 1058 | FALSE Config fail |
| 1059 | |
| 1060 | Note: |
| 1061 | ======================================================================== |
| 1062 | */ |
| 1063 | BOOLEAN RT28XXProbePostConfig( |
| 1064 | IN void *_dev_p, |
| 1065 | IN RTMP_ADAPTER *pAd, |
| 1066 | IN INT32 argc) |
| 1067 | { |
| 1068 | /* no use */ |
| 1069 | return TRUE; |
| 1070 | } |
| 1071 | |
| 1072 | |
| 1073 | /* |
| 1074 | ======================================================================== |
| 1075 | Routine Description: |
| 1076 | Disable DMA. |
| 1077 | |
| 1078 | Arguments: |
| 1079 | *pAd the raxx interface data pointer |
| 1080 | |
| 1081 | Return Value: |
| 1082 | None |
| 1083 | |
| 1084 | Note: |
| 1085 | ======================================================================== |
| 1086 | */ |
| 1087 | VOID RT28XXDMADisable( |
| 1088 | IN RTMP_ADAPTER *pAd) |
| 1089 | { |
| 1090 | WPDMA_GLO_CFG_STRUC GloCfg; |
| 1091 | |
| 1092 | |
| 1093 | RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word); |
| 1094 | GloCfg.word &= 0xff0; |
| 1095 | GloCfg.field.EnTXWriteBackDDONE =1; |
| 1096 | RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word); |
| 1097 | } |
| 1098 | |
| 1099 | |
| 1100 | /* |
| 1101 | ======================================================================== |
| 1102 | Routine Description: |
| 1103 | Enable DMA. |
| 1104 | |
| 1105 | Arguments: |
| 1106 | *pAd the raxx interface data pointer |
| 1107 | |
| 1108 | Return Value: |
| 1109 | None |
| 1110 | |
| 1111 | Note: |
| 1112 | ======================================================================== |
| 1113 | */ |
| 1114 | VOID RT28XXDMAEnable( |
| 1115 | IN RTMP_ADAPTER *pAd) |
| 1116 | { |
| 1117 | WPDMA_GLO_CFG_STRUC GloCfg; |
| 1118 | int i = 0; |
| 1119 | |
| 1120 | RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, 0x4); |
| 1121 | do |
| 1122 | { |
| 1123 | RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word); |
| 1124 | if ((GloCfg.field.TxDMABusy == 0) && (GloCfg.field.RxDMABusy == 0)) |
| 1125 | break; |
| 1126 | |
| 1127 | DBGPRINT(RT_DEBUG_TRACE, ("==> DMABusy\n")); |
| 1128 | RTMPusecDelay(1000); |
| 1129 | i++; |
| 1130 | }while ( i <200); |
| 1131 | |
| 1132 | RTMPusecDelay(50); |
| 1133 | |
| 1134 | GloCfg.field.EnTXWriteBackDDONE = 1; |
| 1135 | GloCfg.field.WPDMABurstSIZE = 2; |
| 1136 | GloCfg.field.EnableRxDMA = 1; |
| 1137 | GloCfg.field.EnableTxDMA = 1; |
| 1138 | |
| 1139 | DBGPRINT(RT_DEBUG_TRACE, ("<== WRITE DMA offset 0x208 = 0x%x\n", GloCfg.word)); |
| 1140 | RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word); |
| 1141 | |
| 1142 | } |
| 1143 | |
| 1144 | /* |
| 1145 | ======================================================================== |
| 1146 | Routine Description: |
| 1147 | Write Beacon buffer to Asic. |
| 1148 | |
| 1149 | Arguments: |
| 1150 | *pAd the raxx interface data pointer |
| 1151 | |
| 1152 | Return Value: |
| 1153 | None |
| 1154 | |
| 1155 | Note: |
| 1156 | ======================================================================== |
| 1157 | */ |
| 1158 | VOID RT28xx_UpdateBeaconToAsic( |
| 1159 | IN RTMP_ADAPTER *pAd, |
| 1160 | IN INT apidx, |
| 1161 | IN ULONG FrameLen, |
| 1162 | IN ULONG UpdatePos) |
| 1163 | { |
| 1164 | ULONG CapInfoPos = 0; |
| 1165 | UCHAR *ptr, *ptr_update, *ptr_capinfo; |
| 1166 | UINT i; |
| 1167 | BOOLEAN bBcnReq = FALSE; |
| 1168 | UCHAR bcn_idx = 0; |
| 1169 | |
| 1170 | { |
Harvey Harrison | d599edc | 2009-01-07 14:31:57 -0800 | [diff] [blame] | 1171 | DBGPRINT(RT_DEBUG_ERROR, ("%s() : No valid Interface be found.\n", __func__)); |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 1172 | return; |
| 1173 | } |
| 1174 | |
| 1175 | if (bBcnReq == FALSE) |
| 1176 | { |
| 1177 | /* when the ra interface is down, do not send its beacon frame */ |
| 1178 | /* clear all zero */ |
| 1179 | for(i=0; i<TXWI_SIZE; i+=4) |
| 1180 | RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[bcn_idx] + i, 0x00); |
| 1181 | } |
| 1182 | else |
| 1183 | { |
| 1184 | ptr = (PUCHAR)&pAd->BeaconTxWI; |
| 1185 | #ifdef RT_BIG_ENDIAN |
| 1186 | RTMPWIEndianChange(ptr, TYPE_TXWI); |
| 1187 | #endif |
| 1188 | for (i=0; i<TXWI_SIZE; i+=4) // 16-byte TXWI field |
| 1189 | { |
| 1190 | UINT32 longptr = *ptr + (*(ptr+1)<<8) + (*(ptr+2)<<16) + (*(ptr+3)<<24); |
| 1191 | RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[bcn_idx] + i, longptr); |
| 1192 | ptr += 4; |
| 1193 | } |
| 1194 | |
| 1195 | // Update CapabilityInfo in Beacon |
| 1196 | for (i = CapInfoPos; i < (CapInfoPos+2); i++) |
| 1197 | { |
| 1198 | RTMP_IO_WRITE8(pAd, pAd->BeaconOffset[bcn_idx] + TXWI_SIZE + i, *ptr_capinfo); |
| 1199 | ptr_capinfo ++; |
| 1200 | } |
| 1201 | |
| 1202 | if (FrameLen > UpdatePos) |
| 1203 | { |
| 1204 | for (i= UpdatePos; i< (FrameLen); i++) |
| 1205 | { |
| 1206 | RTMP_IO_WRITE8(pAd, pAd->BeaconOffset[bcn_idx] + TXWI_SIZE + i, *ptr_update); |
| 1207 | ptr_update ++; |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | } |
| 1212 | |
| 1213 | } |
| 1214 | |
| 1215 | #ifdef CONFIG_STA_SUPPORT |
| 1216 | VOID RTMPInitPCIeLinkCtrlValue( |
| 1217 | IN PRTMP_ADAPTER pAd) |
| 1218 | { |
| 1219 | } |
| 1220 | |
| 1221 | VOID RTMPFindHostPCIDev( |
| 1222 | IN PRTMP_ADAPTER pAd) |
| 1223 | { |
| 1224 | } |
| 1225 | |
| 1226 | /* |
| 1227 | ======================================================================== |
| 1228 | |
| 1229 | Routine Description: |
| 1230 | |
| 1231 | Arguments: |
| 1232 | Level = RESTORE_HALT : Restore PCI host and Ralink PCIe Link Control field to its default value. |
| 1233 | Level = Other Value : Restore from dot11 power save or radio off status. And force PCI host Link Control fields to 0x1 |
| 1234 | |
| 1235 | ======================================================================== |
| 1236 | */ |
| 1237 | VOID RTMPPCIeLinkCtrlValueRestore( |
| 1238 | IN PRTMP_ADAPTER pAd, |
| 1239 | IN UCHAR Level) |
| 1240 | { |
| 1241 | } |
| 1242 | |
| 1243 | /* |
| 1244 | ======================================================================== |
| 1245 | |
| 1246 | Routine Description: |
| 1247 | |
| 1248 | Arguments: |
| 1249 | Max : limit Host PCI and Ralink PCIe device's LINK CONTROL field's value. |
| 1250 | Because now frequently set our device to mode 1 or mode 3 will cause problem. |
| 1251 | |
| 1252 | ======================================================================== |
| 1253 | */ |
| 1254 | VOID RTMPPCIeLinkCtrlSetting( |
| 1255 | IN PRTMP_ADAPTER pAd, |
| 1256 | IN USHORT Max) |
| 1257 | { |
| 1258 | } |
| 1259 | #endif // CONFIG_STA_SUPPORT // |
| 1260 | |
| 1261 | VOID rt2860_stop(struct net_device *net_dev) |
| 1262 | { |
| 1263 | PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL; |
| 1264 | if (net_dev == NULL) |
| 1265 | { |
| 1266 | DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n")); |
| 1267 | } |
| 1268 | else |
Greg Kroah-Hartman | 739b797 | 2009-01-05 14:19:51 -0800 | [diff] [blame] | 1269 | pAd = net_dev->ml_priv; |
Greg Kroah-Hartman | 9198099 | 2008-10-28 14:48:09 -0700 | [diff] [blame] | 1270 | |
| 1271 | if (pAd != NULL) |
| 1272 | { |
| 1273 | // stop interface |
| 1274 | netif_carrier_off(net_dev); |
| 1275 | netif_stop_queue(net_dev); |
| 1276 | |
| 1277 | // mark device as removed from system and therefore no longer available |
| 1278 | netif_device_detach(net_dev); |
| 1279 | |
| 1280 | // mark halt flag |
| 1281 | RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); |
| 1282 | RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF); |
| 1283 | |
| 1284 | // take down the device |
| 1285 | rt28xx_close((PNET_DEV)net_dev); |
| 1286 | RT_MOD_DEC_USE_COUNT(); |
| 1287 | } |
| 1288 | return; |
| 1289 | } |
| 1290 | |
| 1291 | /* |
| 1292 | * invaild or writeback cache |
| 1293 | * and convert virtual address to physical address |
| 1294 | */ |
| 1295 | dma_addr_t linux_pci_map_single(void *handle, void *ptr, size_t size, int sd_idx, int direction) |
| 1296 | { |
| 1297 | PRTMP_ADAPTER pAd; |
| 1298 | POS_COOKIE pObj; |
| 1299 | |
| 1300 | /* |
| 1301 | ------ Porting Information ------ |
| 1302 | > For Tx Alloc: |
| 1303 | mgmt packets => sd_idx = 0 |
| 1304 | SwIdx: pAd->MgmtRing.TxCpuIdx |
| 1305 | pTxD : pAd->MgmtRing.Cell[SwIdx].AllocVa; |
| 1306 | |
| 1307 | data packets => sd_idx = 1 |
| 1308 | TxIdx : pAd->TxRing[pTxBlk->QueIdx].TxCpuIdx |
| 1309 | QueIdx: pTxBlk->QueIdx |
| 1310 | pTxD : pAd->TxRing[pTxBlk->QueIdx].Cell[TxIdx].AllocVa; |
| 1311 | |
| 1312 | > For Rx Alloc: |
| 1313 | sd_idx = -1 |
| 1314 | */ |
| 1315 | |
| 1316 | pAd = (PRTMP_ADAPTER)handle; |
| 1317 | pObj = (POS_COOKIE)pAd->OS_Cookie; |
| 1318 | |
| 1319 | if (sd_idx == 1) |
| 1320 | { |
| 1321 | PTX_BLK pTxBlk; |
| 1322 | pTxBlk = (PTX_BLK)ptr; |
| 1323 | return pci_map_single(pObj->pci_dev, pTxBlk->pSrcBufData, pTxBlk->SrcBufLen, direction); |
| 1324 | } |
| 1325 | else |
| 1326 | { |
| 1327 | return pci_map_single(pObj->pci_dev, ptr, size, direction); |
| 1328 | } |
| 1329 | |
| 1330 | } |
| 1331 | |
| 1332 | void linux_pci_unmap_single(void *handle, dma_addr_t dma_addr, size_t size, int direction) |
| 1333 | { |
| 1334 | PRTMP_ADAPTER pAd; |
| 1335 | POS_COOKIE pObj; |
| 1336 | |
| 1337 | pAd=(PRTMP_ADAPTER)handle; |
| 1338 | pObj = (POS_COOKIE)pAd->OS_Cookie; |
| 1339 | |
| 1340 | pci_unmap_single(pObj->pci_dev, dma_addr, size, direction); |
| 1341 | |
| 1342 | } |
| 1343 | |