1 /*- 2 * Copyright (c) 2011 HighPoint Technologies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <dev/hpt27xx/hpt27xx_config.h> 30 31 #include <dev/hpt27xx/os_bsd.h> 32 33 /* hardware access */ 34 HPT_U8 os_inb (void *port) { return inb((unsigned)(HPT_UPTR)port); } 35 HPT_U16 os_inw (void *port) { return inw((unsigned)(HPT_UPTR)port); } 36 HPT_U32 os_inl (void *port) { return inl((unsigned)(HPT_UPTR)port); } 37 38 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); } 39 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); } 40 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); } 41 42 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count) 43 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 44 45 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count) 46 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 47 48 HPT_U32 __dummy_reg = 0; 49 50 /* PCI configuration space */ 51 HPT_U8 os_pci_readb (void *osext, HPT_U8 offset) 52 { 53 return pci_read_config(((PHBA)osext)->pcidev, offset, 1); 54 } 55 56 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset) 57 { 58 return pci_read_config(((PHBA)osext)->pcidev, offset, 2); 59 } 60 61 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset) 62 { 63 return pci_read_config(((PHBA)osext)->pcidev, offset, 4); 64 } 65 66 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value) 67 { 68 pci_write_config(((PHBA)osext)->pcidev, offset, value, 1); 69 } 70 71 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value) 72 { 73 pci_write_config(((PHBA)osext)->pcidev, offset, value, 2); 74 } 75 76 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value) 77 { 78 pci_write_config(((PHBA)osext)->pcidev, offset, value, 4); 79 } 80 81 #if __FreeBSD_version < 500043 82 /* PCI space access */ 83 HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 84 { 85 HPT_U8 v; 86 pcicfgregs pciref; 87 88 pciref.bus = bus; 89 pciref.slot = dev; 90 pciref.func = func; 91 92 v = pci_cfgread(&pciref, reg, 1); 93 return v; 94 } 95 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 96 { 97 HPT_U32 v; 98 pcicfgregs pciref; 99 100 pciref.bus = bus; 101 pciref.slot = dev; 102 pciref.func = func; 103 104 v = pci_cfgread(&pciref, reg, 4); 105 return v; 106 } 107 void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v) 108 { 109 pcicfgregs pciref; 110 111 pciref.hose = -1; 112 pciref.bus = bus; 113 pciref.slot = dev; 114 pciref.func = func; 115 116 pci_cfgwrite(&pciref, reg, v, 1); 117 } 118 void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v) 119 { 120 pcicfgregs pciref; 121 122 pciref.hose = -1; 123 pciref.bus = bus; 124 pciref.slot = dev; 125 pciref.func = func; 126 127 pci_cfgwrite(&pciref, reg, v, 4); 128 }/* PCI space access */ 129 #else 130 HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 131 { 132 return (HPT_U8)pci_cfgregread(bus, dev, func, reg, 1); 133 } 134 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 135 { 136 return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4); 137 } 138 void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v) 139 { 140 pci_cfgregwrite(bus, dev, func, reg, v, 1); 141 } 142 void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v) 143 { 144 pci_cfgregwrite(bus, dev, func, reg, v, 4); 145 }/* PCI space access */ 146 #endif 147 148 void *os_map_pci_bar( 149 void *osext, 150 int index, 151 HPT_U32 offset, 152 HPT_U32 length 153 ) 154 { 155 PHBA hba = (PHBA)osext; 156 HPT_U32 base; 157 158 hba->pcibar[index].rid = 0x10 + index * 4; 159 base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4); 160 161 if (base & 1) { 162 hba->pcibar[index].type = SYS_RES_IOPORT; 163 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev, 164 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE); 165 hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1); 166 } else { 167 hba->pcibar[index].type = SYS_RES_MEMORY; 168 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev, 169 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE); 170 hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset; 171 } 172 173 return hba->pcibar[index].base; 174 } 175 176 void os_unmap_pci_bar(void *osext, void *base) 177 { 178 PHBA hba = (PHBA)osext; 179 int index; 180 181 for (index=0; index<6; index++) { 182 if (hba->pcibar[index].base==base) { 183 bus_release_resource(hba->pcidev, hba->pcibar[index].type, 184 hba->pcibar[index].rid, hba->pcibar[index].res); 185 hba->pcibar[index].base = 0; 186 return; 187 } 188 } 189 } 190 191 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count) 192 { 193 PVBUS_EXT vbus_ext = osext; 194 195 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 196 vbus_ext = ((PHBA)osext)->vbus_ext; 197 198 list->next = vbus_ext->freelist_head; 199 vbus_ext->freelist_head = list; 200 list->dma = 0; 201 list->size = size; 202 list->head = 0; 203 #if DBG 204 list->reserved_count = 205 #endif 206 list->count = count; 207 } 208 209 void *freelist_get(struct freelist *list) 210 { 211 void * result; 212 if (list->count) { 213 HPT_ASSERT(list->head); 214 result = list->head; 215 list->head = *(void **)result; 216 list->count--; 217 return result; 218 } 219 return 0; 220 } 221 222 void freelist_put(struct freelist * list, void *p) 223 { 224 HPT_ASSERT(list->dma==0); 225 list->count++; 226 *(void **)p = list->head; 227 list->head = p; 228 } 229 230 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count) 231 { 232 PVBUS_EXT vbus_ext = osext; 233 234 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 235 vbus_ext = ((PHBA)osext)->vbus_ext; 236 237 list->next = vbus_ext->freelist_dma_head; 238 vbus_ext->freelist_dma_head = list; 239 list->dma = 1; 240 list->alignment = alignment; 241 list->size = size; 242 list->head = 0; 243 #if DBG 244 list->reserved_count = 245 #endif 246 list->count = count; 247 } 248 249 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr) 250 { 251 void *result; 252 HPT_ASSERT(list->dma); 253 result = freelist_get(list); 254 if (result) 255 *busaddr = *(BUS_ADDRESS *)((void **)result+1); 256 return result; 257 } 258 259 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr) 260 { 261 HPT_ASSERT(list->dma); 262 list->count++; 263 *(void **)p = list->head; 264 *(BUS_ADDRESS *)((void **)p+1) = busaddr; 265 list->head = p; 266 } 267 268 HPT_U32 os_get_stamp(void) 269 { 270 HPT_U32 stamp; 271 do { stamp = random(); } while (stamp==0); 272 return stamp; 273 } 274 275 void os_stallexec(HPT_U32 microseconds) 276 { 277 DELAY(microseconds); 278 } 279 280 static void os_timer_for_ldm(void *arg) 281 { 282 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 283 ldm_on_timer((PVBUS)vbus_ext->vbus); 284 } 285 286 void os_request_timer(void * osext, HPT_U32 interval) 287 { 288 PVBUS_EXT vbus_ext = osext; 289 290 HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS); 291 292 untimeout(os_timer_for_ldm, vbus_ext, vbus_ext->timer); 293 vbus_ext->timer = timeout(os_timer_for_ldm, vbus_ext, interval * hz / 1000000); 294 } 295 296 HPT_TIME os_query_time(void) 297 { 298 return ticks * (1000000 / hz); 299 } 300 301 void os_schedule_task(void *osext, OSM_TASK *task) 302 { 303 PVBUS_EXT vbus_ext = osext; 304 305 HPT_ASSERT(task->next==0); 306 307 if (vbus_ext->tasks==0) 308 vbus_ext->tasks = task; 309 else { 310 OSM_TASK *t = vbus_ext->tasks; 311 while (t->next) t = t->next; 312 t->next = task; 313 } 314 315 if (vbus_ext->worker.ta_context) 316 TASK_ENQUEUE(&vbus_ext->worker); 317 } 318 319 int os_revalidate_device(void *osext, int id) 320 { 321 322 return 0; 323 } 324 325 int os_query_remove_device(void *osext, int id) 326 { 327 PVBUS_EXT vbus_ext = (PVBUS_EXT)osext; 328 struct cam_periph *periph = NULL; 329 struct cam_path *path; 330 int status,retval = 0; 331 332 status = xpt_create_path(&path, NULL, vbus_ext->sim->path_id, id, 0); 333 if (status == CAM_REQ_CMP) { 334 if((periph = cam_periph_find(path, "da")) != NULL){ 335 if(periph->refcount >= 1) 336 retval = -1; 337 } 338 xpt_free_path(path); 339 } 340 341 return retval; 342 } 343 344 HPT_U8 os_get_vbus_seq(void *osext) 345 { 346 return ((PVBUS_EXT)osext)->sim->path_id; 347 } 348 349 int os_printk(char *fmt, ...) 350 { 351 va_list args; 352 static char buf[512]; 353 354 va_start(args, fmt); 355 vsnprintf(buf, sizeof(buf), fmt, args); 356 va_end(args); 357 return printf("%s: %s\n", driver_name, buf); 358 } 359 360 #if DBG 361 void os_check_stack(const char *location, int size){} 362 363 void __os_dbgbreak(const char *file, int line) 364 { 365 printf("*** break at %s:%d ***", file, line); 366 while (1); 367 } 368 369 int hpt_dbg_level = 1; 370 #endif 371