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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 | /* SPDX-License-Identifier: GPL-2.0 */ /* * linux/include/asm-m68k/io.h * * 4/1/00 RZ: - rewritten to avoid clashes between ISA/PCI and other * IO access * - added Q40 support * - added skeleton for GG-II and Amiga PCMCIA * 2/3/01 RZ: - moved a few more defs into raw_io.h * * inX/outX should not be used by any driver unless it does * ISA access. Other drivers should use function defined in raw_io.h * or define its own macros on top of these. * * inX(),outX() are for ISA I/O * isa_readX(),isa_writeX() are for ISA memory */ #ifndef _M68K_IO_MM_H #define _M68K_IO_MM_H #ifdef __KERNEL__ #include <linux/compiler.h> #include <asm/raw_io.h> #include <asm/virtconvert.h> #include <asm/kmap.h> #include <asm-generic/iomap.h> #ifdef CONFIG_ATARI #define atari_readb raw_inb #define atari_writeb raw_outb #define atari_inb_p raw_inb #define atari_outb_p raw_outb #endif /* * IO/MEM definitions for various ISA bridges */ #ifdef CONFIG_Q40 #define q40_isa_io_base 0xff400000 #define q40_isa_mem_base 0xff800000 #define Q40_ISA_IO_B(ioaddr) (q40_isa_io_base+1+4*((unsigned long)(ioaddr))) #define Q40_ISA_IO_W(ioaddr) (q40_isa_io_base+ 4*((unsigned long)(ioaddr))) #define Q40_ISA_MEM_B(madr) (q40_isa_mem_base+1+4*((unsigned long)(madr))) #define Q40_ISA_MEM_W(madr) (q40_isa_mem_base+ 4*((unsigned long)(madr))) #define MULTI_ISA 0 #endif /* Q40 */ #ifdef CONFIG_AMIGA_PCMCIA #include <asm/amigayle.h> #define AG_ISA_IO_B(ioaddr) ( GAYLE_IO+(ioaddr)+(((ioaddr)&1)*GAYLE_ODD) ) #define AG_ISA_IO_W(ioaddr) ( GAYLE_IO+(ioaddr) ) #ifndef MULTI_ISA #define MULTI_ISA 0 #else #undef MULTI_ISA #define MULTI_ISA 1 #endif #endif /* AMIGA_PCMCIA */ #ifdef CONFIG_ATARI_ROM_ISA #define enec_isa_read_base 0xfffa0000 #define enec_isa_write_base 0xfffb0000 #define ENEC_ISA_IO_B(ioaddr) (enec_isa_read_base+((((unsigned long)(ioaddr))&0x7F)<<9)) #define ENEC_ISA_IO_W(ioaddr) (enec_isa_read_base+((((unsigned long)(ioaddr))&0x7F)<<9)) #define ENEC_ISA_MEM_B(madr) (enec_isa_read_base+((((unsigned long)(madr))&0x7F)<<9)) #define ENEC_ISA_MEM_W(madr) (enec_isa_read_base+((((unsigned long)(madr))&0x7F)<<9)) #ifndef MULTI_ISA #define MULTI_ISA 0 #else #undef MULTI_ISA #define MULTI_ISA 1 #endif #endif /* ATARI_ROM_ISA */ #if defined(CONFIG_ISA) || defined(CONFIG_ATARI_ROM_ISA) #if MULTI_ISA == 0 #undef MULTI_ISA #endif #define ISA_TYPE_Q40 (1) #define ISA_TYPE_AG (2) #define ISA_TYPE_ENEC (3) #if defined(CONFIG_Q40) && !defined(MULTI_ISA) #define ISA_TYPE ISA_TYPE_Q40 #define ISA_SEX 0 #endif #if defined(CONFIG_AMIGA_PCMCIA) && !defined(MULTI_ISA) #define ISA_TYPE ISA_TYPE_AG #define ISA_SEX 1 #endif #if defined(CONFIG_ATARI_ROM_ISA) && !defined(MULTI_ISA) #define ISA_TYPE ISA_TYPE_ENEC #define ISA_SEX 0 #endif #ifdef MULTI_ISA extern int isa_type; extern int isa_sex; #define ISA_TYPE isa_type #define ISA_SEX isa_sex #endif /* * define inline addr translation functions. Normally only one variant will * be compiled in so the case statement will be optimised away */ static inline u8 __iomem *isa_itb(unsigned long addr) { switch(ISA_TYPE) { #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_IO_B(addr); #endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)AG_ISA_IO_B(addr); #endif #ifdef CONFIG_ATARI_ROM_ISA case ISA_TYPE_ENEC: return (u8 __iomem *)ENEC_ISA_IO_B(addr); #endif default: return NULL; /* avoid warnings, just in case */ } } static inline u16 __iomem *isa_itw(unsigned long addr) { switch(ISA_TYPE) { #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_IO_W(addr); #endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)AG_ISA_IO_W(addr); #endif #ifdef CONFIG_ATARI_ROM_ISA case ISA_TYPE_ENEC: return (u16 __iomem *)ENEC_ISA_IO_W(addr); #endif default: return NULL; /* avoid warnings, just in case */ } } static inline u32 __iomem *isa_itl(unsigned long addr) { switch(ISA_TYPE) { #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u32 __iomem *)AG_ISA_IO_W(addr); #endif default: return 0; /* avoid warnings, just in case */ } } static inline u8 __iomem *isa_mtb(unsigned long addr) { switch(ISA_TYPE) { #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_MEM_B(addr); #endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)addr; #endif #ifdef CONFIG_ATARI_ROM_ISA case ISA_TYPE_ENEC: return (u8 __iomem *)ENEC_ISA_MEM_B(addr); #endif default: return NULL; /* avoid warnings, just in case */ } } static inline u16 __iomem *isa_mtw(unsigned long addr) { switch(ISA_TYPE) { #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_MEM_W(addr); #endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)addr; #endif #ifdef CONFIG_ATARI_ROM_ISA case ISA_TYPE_ENEC: return (u16 __iomem *)ENEC_ISA_MEM_W(addr); #endif default: return NULL; /* avoid warnings, just in case */ } } #define isa_inb(port) in_8(isa_itb(port)) #define isa_inw(port) (ISA_SEX ? in_be16(isa_itw(port)) : in_le16(isa_itw(port))) #define isa_inl(port) (ISA_SEX ? in_be32(isa_itl(port)) : in_le32(isa_itl(port))) #define isa_outb(val,port) out_8(isa_itb(port),(val)) #define isa_outw(val,port) (ISA_SEX ? out_be16(isa_itw(port),(val)) : out_le16(isa_itw(port),(val))) #define isa_outl(val,port) (ISA_SEX ? out_be32(isa_itl(port),(val)) : out_le32(isa_itl(port),(val))) #define isa_readb(p) in_8(isa_mtb((unsigned long)(p))) #define isa_readw(p) \ (ISA_SEX ? in_be16(isa_mtw((unsigned long)(p))) \ : in_le16(isa_mtw((unsigned long)(p)))) #define isa_writeb(val,p) out_8(isa_mtb((unsigned long)(p)),(val)) #define isa_writew(val,p) \ (ISA_SEX ? out_be16(isa_mtw((unsigned long)(p)),(val)) \ : out_le16(isa_mtw((unsigned long)(p)),(val))) #ifdef CONFIG_ATARI_ROM_ISA #define isa_rom_inb(port) rom_in_8(isa_itb(port)) #define isa_rom_inw(port) \ (ISA_SEX ? rom_in_be16(isa_itw(port)) \ : rom_in_le16(isa_itw(port))) #define isa_rom_outb(val, port) rom_out_8(isa_itb(port), (val)) #define isa_rom_outw(val, port) \ (ISA_SEX ? rom_out_be16(isa_itw(port), (val)) \ : rom_out_le16(isa_itw(port), (val))) #define isa_rom_readb(p) rom_in_8(isa_mtb((unsigned long)(p))) #define isa_rom_readw(p) \ (ISA_SEX ? rom_in_be16(isa_mtw((unsigned long)(p))) \ : rom_in_le16(isa_mtw((unsigned long)(p)))) #define isa_rom_readw_swap(p) \ (ISA_SEX ? rom_in_le16(isa_mtw((unsigned long)(p))) \ : rom_in_be16(isa_mtw((unsigned long)(p)))) #define isa_rom_readw_raw(p) rom_in_be16(isa_mtw((unsigned long)(p))) #define isa_rom_writeb(val, p) rom_out_8(isa_mtb((unsigned long)(p)), (val)) #define isa_rom_writew(val, p) \ (ISA_SEX ? rom_out_be16(isa_mtw((unsigned long)(p)), (val)) \ : rom_out_le16(isa_mtw((unsigned long)(p)), (val))) #define isa_rom_writew_swap(val, p) \ (ISA_SEX ? rom_out_le16(isa_mtw((unsigned long)(p)), (val)) \ : rom_out_be16(isa_mtw((unsigned long)(p)), (val))) #define isa_rom_writew_raw(val, p) rom_out_be16(isa_mtw((unsigned long)(p)), (val)) #endif /* CONFIG_ATARI_ROM_ISA */ static inline void isa_delay(void) { switch(ISA_TYPE) { #ifdef CONFIG_Q40 case ISA_TYPE_Q40: isa_outb(0,0x80); break; #endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: break; #endif #ifdef CONFIG_ATARI_ROM_ISA case ISA_TYPE_ENEC: break; #endif default: break; /* avoid warnings */ } } #define isa_inb_p(p) ({u8 v=isa_inb(p);isa_delay();v;}) #define isa_outb_p(v,p) ({isa_outb((v),(p));isa_delay();}) #define isa_inw_p(p) ({u16 v=isa_inw(p);isa_delay();v;}) #define isa_outw_p(v,p) ({isa_outw((v),(p));isa_delay();}) #define isa_inl_p(p) ({u32 v=isa_inl(p);isa_delay();v;}) #define isa_outl_p(v,p) ({isa_outl((v),(p));isa_delay();}) #define isa_insb(port, buf, nr) raw_insb(isa_itb(port), (u8 *)(buf), (nr)) #define isa_outsb(port, buf, nr) raw_outsb(isa_itb(port), (u8 *)(buf), (nr)) #define isa_insw(port, buf, nr) \ (ISA_SEX ? raw_insw(isa_itw(port), (u16 *)(buf), (nr)) : \ raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr))) #define isa_outsw(port, buf, nr) \ (ISA_SEX ? raw_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \ raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr))) #define isa_insl(port, buf, nr) \ (ISA_SEX ? raw_insl(isa_itl(port), (u32 *)(buf), (nr)) : \ raw_insw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1)) #define isa_outsl(port, buf, nr) \ (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \ raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1)) #ifdef CONFIG_ATARI_ROM_ISA #define isa_rom_inb_p(p) ({ u8 _v = isa_rom_inb(p); isa_delay(); _v; }) #define isa_rom_inw_p(p) ({ u16 _v = isa_rom_inw(p); isa_delay(); _v; }) #define isa_rom_outb_p(v, p) ({ isa_rom_outb((v), (p)); isa_delay(); }) #define isa_rom_outw_p(v, p) ({ isa_rom_outw((v), (p)); isa_delay(); }) #define isa_rom_insb(port, buf, nr) raw_rom_insb(isa_itb(port), (u8 *)(buf), (nr)) #define isa_rom_insw(port, buf, nr) \ (ISA_SEX ? raw_rom_insw(isa_itw(port), (u16 *)(buf), (nr)) : \ raw_rom_insw_swapw(isa_itw(port), (u16 *)(buf), (nr))) #define isa_rom_outsb(port, buf, nr) raw_rom_outsb(isa_itb(port), (u8 *)(buf), (nr)) #define isa_rom_outsw(port, buf, nr) \ (ISA_SEX ? raw_rom_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \ raw_rom_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr))) #endif /* CONFIG_ATARI_ROM_ISA */ #endif /* CONFIG_ISA || CONFIG_ATARI_ROM_ISA */ #if defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) #define inb isa_inb #define inb_p isa_inb_p #define outb isa_outb #define outb_p isa_outb_p #define inw isa_inw #define inw_p isa_inw_p #define outw isa_outw #define outw_p isa_outw_p #define inl isa_inl #define inl_p isa_inl_p #define outl isa_outl #define outl_p isa_outl_p #define insb isa_insb #define insw isa_insw #define insl isa_insl #define outsb isa_outsb #define outsw isa_outsw #define outsl isa_outsl #define readb isa_readb #define readw isa_readw #define writeb isa_writeb #define writew isa_writew #endif /* CONFIG_ISA && !CONFIG_ATARI_ROM_ISA */ #ifdef CONFIG_ATARI_ROM_ISA /* * kernel with both ROM port ISA and IDE compiled in, those have * conflicting defs for in/out. Simply consider port < 1024 * ROM port ISA and everything else regular ISA for IDE. read,write defined * below. */ #define inb(port) ((port) < 1024 ? isa_rom_inb(port) : in_8(port)) #define inb_p(port) ((port) < 1024 ? isa_rom_inb_p(port) : in_8(port)) #define inw(port) ((port) < 1024 ? isa_rom_inw(port) : in_le16(port)) #define inw_p(port) ((port) < 1024 ? isa_rom_inw_p(port) : in_le16(port)) #define inl isa_inl #define inl_p isa_inl_p #define outb(val, port) ((port) < 1024 ? isa_rom_outb((val), (port)) : out_8((port), (val))) #define outb_p(val, port) ((port) < 1024 ? isa_rom_outb_p((val), (port)) : out_8((port), (val))) #define outw(val, port) ((port) < 1024 ? isa_rom_outw((val), (port)) : out_le16((port), (val))) #define outw_p(val, port) ((port) < 1024 ? isa_rom_outw_p((val), (port)) : out_le16((port), (val))) #define outl isa_outl #define outl_p isa_outl_p #define insb(port, buf, nr) ((port) < 1024 ? isa_rom_insb((port), (buf), (nr)) : isa_insb((port), (buf), (nr))) #define insw(port, buf, nr) ((port) < 1024 ? isa_rom_insw((port), (buf), (nr)) : isa_insw((port), (buf), (nr))) #define insl isa_insl #define outsb(port, buf, nr) ((port) < 1024 ? isa_rom_outsb((port), (buf), (nr)) : isa_outsb((port), (buf), (nr))) #define outsw(port, buf, nr) ((port) < 1024 ? isa_rom_outsw((port), (buf), (nr)) : isa_outsw((port), (buf), (nr))) #define outsl isa_outsl #define readb(addr) in_8(addr) #define writeb(val, addr) out_8((addr), (val)) #define readw(addr) in_le16(addr) #define writew(val, addr) out_le16((addr), (val)) #endif /* CONFIG_ATARI_ROM_ISA */ #define readl(addr) in_le32(addr) #define writel(val,addr) out_le32((addr),(val)) #define readsb(port, buf, nr) raw_insb((port), (u8 *)(buf), (nr)) #define readsw(port, buf, nr) raw_insw((port), (u16 *)(buf), (nr)) #define readsl(port, buf, nr) raw_insl((port), (u32 *)(buf), (nr)) #define writesb(port, buf, nr) raw_outsb((port), (u8 *)(buf), (nr)) #define writesw(port, buf, nr) raw_outsw((port), (u16 *)(buf), (nr)) #define writesl(port, buf, nr) raw_outsl((port), (u32 *)(buf), (nr)) #ifndef CONFIG_SUN3 #define IO_SPACE_LIMIT 0xffff #else #define IO_SPACE_LIMIT 0x0fffffff #endif #endif /* __KERNEL__ */ #define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1 /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem * access */ #define xlate_dev_mem_ptr(p) __va(p) #define readb_relaxed(addr) readb(addr) #define readw_relaxed(addr) readw(addr) #define readl_relaxed(addr) readl(addr) #define writeb_relaxed(b, addr) writeb(b, addr) #define writew_relaxed(b, addr) writew(b, addr) #define writel_relaxed(b, addr) writel(b, addr) #endif /* _M68K_IO_MM_H */ |