1 /* 2 * Linux OS Independent Layer 3 * 4 * Copyright (C) 1999-2010, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: linux_osl.h,v 13.131.30.8 2010/04/26 05:42:18 Exp $ 25 */ 26 27 28 #ifndef _linux_osl_h_ 29 #define _linux_osl_h_ 30 31 #include <typedefs.h> 32 33 34 #include <linuxver.h> 35 36 37 #ifdef __GNUC__ 38 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 39 #if GCC_VERSION > 30100 40 #define ASSERT(exp) do {} while (0) 41 #else 42 43 #define ASSERT(exp) 44 #endif 45 #endif 46 47 48 #define OSL_DELAY(usec) osl_delay(usec) 49 extern void osl_delay(uint usec); 50 51 52 53 #define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \ 54 osl_pcmcia_read_attr((osh), (offset), (buf), (size)) 55 #define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \ 56 osl_pcmcia_write_attr((osh), (offset), (buf), (size)) 57 extern void osl_pcmcia_read_attr(osl_t *osh, uint offset, void *buf, int size); 58 extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, int size); 59 60 61 #define OSL_PCI_READ_CONFIG(osh, offset, size) \ 62 osl_pci_read_config((osh), (offset), (size)) 63 #define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \ 64 osl_pci_write_config((osh), (offset), (size), (val)) 65 extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size); 66 extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val); 67 68 69 #define OSL_PCI_BUS(osh) osl_pci_bus(osh) 70 #define OSL_PCI_SLOT(osh) osl_pci_slot(osh) 71 extern uint osl_pci_bus(osl_t *osh); 72 extern uint osl_pci_slot(osl_t *osh); 73 74 75 typedef struct { 76 bool pkttag; 77 uint pktalloced; 78 bool mmbus; 79 pktfree_cb_fn_t tx_fn; 80 void *tx_ctx; 81 } osl_pubinfo_t; 82 83 84 extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag); 85 extern void osl_detach(osl_t *osh); 86 87 #define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \ 88 do { \ 89 ((osl_pubinfo_t*)osh)->tx_fn = _tx_fn; \ 90 ((osl_pubinfo_t*)osh)->tx_ctx = _tx_ctx; \ 91 } while (0) 92 93 94 #define BUS_SWAP32(v) (v) 95 96 97 #define MALLOC(osh, size) osl_malloc((osh), (size)) 98 #define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size)) 99 #define MALLOCED(osh) osl_malloced((osh)) 100 101 102 #define MALLOC_FAILED(osh) osl_malloc_failed((osh)) 103 104 extern void *osl_malloc(osl_t *osh, uint size); 105 extern void osl_mfree(osl_t *osh, void *addr, uint size); 106 extern uint osl_malloced(osl_t *osh); 107 extern uint osl_malloc_failed(osl_t *osh); 108 109 110 #define DMA_CONSISTENT_ALIGN PAGE_SIZE 111 #define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \ 112 osl_dma_alloc_consistent((osh), (size), (pap)) 113 #define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \ 114 osl_dma_free_consistent((osh), (void*)(va), (size), (pa)) 115 extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, ulong *pap); 116 extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa); 117 118 119 #define DMA_TX 1 120 #define DMA_RX 2 121 122 123 #define DMA_MAP(osh, va, size, direction, p, dmah) \ 124 osl_dma_map((osh), (va), (size), (direction)) 125 #define DMA_UNMAP(osh, pa, size, direction, p, dmah) \ 126 osl_dma_unmap((osh), (pa), (size), (direction)) 127 extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction); 128 extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction); 129 130 131 #define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0) 132 133 134 #include <bcmsdh.h> 135 #define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v))) 136 #define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r)))) 137 138 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t*)(osh))->mmbus) \ 139 mmap_op else bus_op 140 #define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t*)(osh))->mmbus) ? \ 141 mmap_op : bus_op 142 143 144 145 146 #ifndef printf 147 #define printf(fmt, args...) printk(fmt, ## args) 148 #endif 149 #include <linux/kernel.h> 150 #include <linux/string.h> 151 152 153 #ifndef IL_BIGENDIAN 154 #define R_REG(osh, r) (\ 155 SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(uint8) ? readb((volatile uint8*)(r)) : \ 156 sizeof(*(r)) == sizeof(uint16) ? readw((volatile uint16*)(r)) : \ 157 readl((volatile uint32*)(r)), OSL_READ_REG(osh, r)) \ 158 ) 159 #define W_REG(osh, r, v) do { \ 160 SELECT_BUS_WRITE(osh, \ 161 switch (sizeof(*(r))) { \ 162 case sizeof(uint8): writeb((uint8)(v), (volatile uint8*)(r)); break; \ 163 case sizeof(uint16): writew((uint16)(v), (volatile uint16*)(r)); break; \ 164 case sizeof(uint32): writel((uint32)(v), (volatile uint32*)(r)); break; \ 165 }, \ 166 (OSL_WRITE_REG(osh, r, v))); \ 167 } while (0) 168 #else 169 #define R_REG(osh, r) (\ 170 SELECT_BUS_READ(osh, \ 171 ({ \ 172 __typeof(*(r)) __osl_v; \ 173 switch (sizeof(*(r))) { \ 174 case sizeof(uint8): __osl_v = \ 175 readb((volatile uint8*)((uintptr)(r)^3)); break; \ 176 case sizeof(uint16): __osl_v = \ 177 readw((volatile uint16*)((uintptr)(r)^2)); break; \ 178 case sizeof(uint32): __osl_v = \ 179 readl((volatile uint32*)(r)); break; \ 180 } \ 181 __osl_v; \ 182 }), \ 183 OSL_READ_REG(osh, r)) \ 184 ) 185 #define W_REG(osh, r, v) do { \ 186 SELECT_BUS_WRITE(osh, \ 187 switch (sizeof(*(r))) { \ 188 case sizeof(uint8): writeb((uint8)(v), \ 189 (volatile uint8*)((uintptr)(r)^3)); break; \ 190 case sizeof(uint16): writew((uint16)(v), \ 191 (volatile uint16*)((uintptr)(r)^2)); break; \ 192 case sizeof(uint32): writel((uint32)(v), \ 193 (volatile uint32*)(r)); break; \ 194 }, \ 195 (OSL_WRITE_REG(osh, r, v))); \ 196 } while (0) 197 #endif 198 199 #define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v)) 200 #define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v)) 201 202 203 #define bcopy(src, dst, len) memcpy((dst), (src), (len)) 204 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) 205 #define bzero(b, len) memset((b), '\0', (len)) 206 207 208 #define OSL_UNCACHED(va) ((void*)va) 209 210 211 #if defined(__i386__) 212 #define OSL_GETCYCLES(x) rdtscl((x)) 213 #else 214 #define OSL_GETCYCLES(x) ((x) = 0) 215 #endif 216 217 218 #define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; }) 219 220 221 #if !defined(CONFIG_MMC_MSM7X00A) 222 #define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size)) 223 #else 224 #define REG_MAP(pa, size) (void *)(0) 225 #endif 226 #define REG_UNMAP(va) iounmap((va)) 227 228 229 #define R_SM(r) *(r) 230 #define W_SM(r, v) (*(r) = (v)) 231 #define BZERO_SM(r, len) memset((r), '\0', (len)) 232 233 234 #define PKTGET(osh, len, send) osl_pktget((osh), (len)) 235 #define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send)) 236 #ifdef DHD_USE_STATIC_BUF 237 #define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len)) 238 #define PKTFREE_STATIC(osh, skb, send) osl_pktfree_static((osh), (skb), (send)) 239 #endif 240 #define PKTDATA(osh, skb) (((struct sk_buff*)(skb))->data) 241 #define PKTLEN(osh, skb) (((struct sk_buff*)(skb))->len) 242 #define PKTHEADROOM(osh, skb) (PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head)) 243 #define PKTTAILROOM(osh, skb) ((((struct sk_buff*)(skb))->end)-(((struct sk_buff*)(skb))->tail)) 244 #define PKTNEXT(osh, skb) (((struct sk_buff*)(skb))->next) 245 #define PKTSETNEXT(osh, skb, x) (((struct sk_buff*)(skb))->next = (struct sk_buff*)(x)) 246 #define PKTSETLEN(osh, skb, len) __skb_trim((struct sk_buff*)(skb), (len)) 247 #define PKTPUSH(osh, skb, bytes) skb_push((struct sk_buff*)(skb), (bytes)) 248 #define PKTPULL(osh, skb, bytes) skb_pull((struct sk_buff*)(skb), (bytes)) 249 #define PKTDUP(osh, skb) osl_pktdup((osh), (skb)) 250 #define PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb)) 251 #define PKTALLOCED(osh) ((osl_pubinfo_t *)(osh))->pktalloced 252 #define PKTSETPOOL(osh, skb, x, y) do {} while (0) 253 #define PKTPOOL(osh, skb) FALSE 254 #define PKTPOOLLEN(osh, pktp) (0) 255 #define PKTPOOLAVAIL(osh, pktp) (0) 256 #define PKTPOOLADD(osh, pktp, p) BCME_ERROR 257 #define PKTPOOLGET(osh, pktp) NULL 258 #define PKTLIST_DUMP(osh, buf) 259 260 extern void *osl_pktget(osl_t *osh, uint len); 261 extern void osl_pktfree(osl_t *osh, void *skb, bool send); 262 extern void *osl_pktget_static(osl_t *osh, uint len); 263 extern void osl_pktfree_static(osl_t *osh, void *skb, bool send); 264 extern void *osl_pktdup(osl_t *osh, void *skb); 265 266 267 268 static INLINE void * 269 osl_pkt_frmnative(osl_pubinfo_t *osh, struct sk_buff *skb) 270 { 271 struct sk_buff *nskb; 272 273 if (osh->pkttag) 274 bzero((void*)skb->cb, OSL_PKTTAG_SZ); 275 276 277 for (nskb = skb; nskb; nskb = nskb->next) { 278 osh->pktalloced++; 279 } 280 281 return (void *)skb; 282 } 283 #define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb)) 284 285 286 static INLINE struct sk_buff * 287 osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt) 288 { 289 struct sk_buff *nskb; 290 291 if (osh->pkttag) 292 bzero(((struct sk_buff*)pkt)->cb, OSL_PKTTAG_SZ); 293 294 295 for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) { 296 osh->pktalloced--; 297 } 298 299 return (struct sk_buff *)pkt; 300 } 301 #define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt)) 302 303 #define PKTLINK(skb) (((struct sk_buff*)(skb))->prev) 304 #define PKTSETLINK(skb, x) (((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x)) 305 #define PKTPRIO(skb) (((struct sk_buff*)(skb))->priority) 306 #define PKTSETPRIO(skb, x) (((struct sk_buff*)(skb))->priority = (x)) 307 #define PKTSUMNEEDED(skb) (((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW) 308 #define PKTSETSUMGOOD(skb, x) (((struct sk_buff*)(skb))->ip_summed = \ 309 ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE)) 310 311 #define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned) 312 313 314 #define OSL_ERROR(bcmerror) osl_error(bcmerror) 315 extern int osl_error(int bcmerror); 316 317 318 #define PKTBUFSZ 2048 319 320 321 #define OSL_SYSUPTIME() ((uint32)jiffies * (1000 / HZ)) 322 #endif 323
