| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |   NinjaSCSI I/O funtions  | 
 | 3 |       By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> | 
 | 4 |   | 
 | 5 |   This software may be used and distributed according to the terms of | 
 | 6 |   the GNU General Public License. | 
 | 7 |  | 
 | 8 |   */ | 
 | 9 |  | 
 | 10 | /* $Id: nsp_io.h,v 1.3 2003/08/04 21:15:26 elca Exp $ */ | 
 | 11 |  | 
 | 12 | #ifndef __NSP_IO_H__ | 
 | 13 | #define __NSP_IO_H__ | 
 | 14 |  | 
 | 15 | static inline          void nsp_write(unsigned int base, | 
 | 16 | 				      unsigned int index, | 
 | 17 | 				      unsigned char val); | 
 | 18 | static inline unsigned char nsp_read(unsigned int base, | 
 | 19 | 				     unsigned int index); | 
 | 20 | static inline          void nsp_index_write(unsigned int BaseAddr, | 
 | 21 | 					    unsigned int Register, | 
 | 22 | 					    unsigned char Value); | 
 | 23 | static inline unsigned char nsp_index_read(unsigned int BaseAddr, | 
 | 24 | 					   unsigned int Register); | 
 | 25 |  | 
 | 26 | /******************************************************************* | 
 | 27 |  * Basic IO | 
 | 28 |  */ | 
 | 29 |  | 
 | 30 | static inline void nsp_write(unsigned int  base, | 
 | 31 | 			     unsigned int  index, | 
 | 32 | 			     unsigned char val) | 
 | 33 | { | 
 | 34 | 	outb(val, (base + index)); | 
 | 35 | } | 
 | 36 |  | 
 | 37 | static inline unsigned char nsp_read(unsigned int base, | 
 | 38 | 				     unsigned int index) | 
 | 39 | { | 
 | 40 | 	return inb(base + index); | 
 | 41 | } | 
 | 42 |  | 
 | 43 |  | 
 | 44 | /********************************************************************** | 
 | 45 |  * Indexed IO | 
 | 46 |  */ | 
 | 47 | static inline unsigned char nsp_index_read(unsigned int BaseAddr, | 
 | 48 | 					   unsigned int Register) | 
 | 49 | { | 
 | 50 | 	outb(Register, BaseAddr + INDEXREG); | 
 | 51 | 	return inb(BaseAddr + DATAREG); | 
 | 52 | } | 
 | 53 |  | 
 | 54 | static inline void nsp_index_write(unsigned int  BaseAddr, | 
 | 55 | 				   unsigned int  Register, | 
 | 56 | 				   unsigned char Value) | 
 | 57 | { | 
 | 58 | 	outb(Register, BaseAddr + INDEXREG); | 
 | 59 | 	outb(Value, BaseAddr + DATAREG); | 
 | 60 | } | 
 | 61 |  | 
 | 62 | /********************************************************************* | 
 | 63 |  * fifo func | 
 | 64 |  */ | 
 | 65 |  | 
 | 66 | /* read 8 bit FIFO */ | 
 | 67 | static inline void nsp_multi_read_1(unsigned int   BaseAddr, | 
 | 68 | 				    unsigned int   Register, | 
 | 69 | 				    void          *buf, | 
 | 70 | 				    unsigned long  count) | 
 | 71 | { | 
 | 72 | 	insb(BaseAddr + Register, buf, count); | 
 | 73 | } | 
 | 74 |  | 
 | 75 | static inline void nsp_fifo8_read(unsigned int   base, | 
 | 76 | 				  void          *buf, | 
 | 77 | 				  unsigned long  count) | 
 | 78 | { | 
 | 79 | 	/*nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx", buf, count);*/ | 
 | 80 | 	nsp_multi_read_1(base, FIFODATA, buf, count); | 
 | 81 | } | 
 | 82 |  | 
 | 83 | /*--------------------------------------------------------------*/ | 
 | 84 |  | 
 | 85 | /* read 16 bit FIFO */ | 
 | 86 | static inline void nsp_multi_read_2(unsigned int   BaseAddr, | 
 | 87 | 				    unsigned int   Register, | 
 | 88 | 				    void          *buf, | 
 | 89 | 				    unsigned long  count) | 
 | 90 | { | 
 | 91 | 	insw(BaseAddr + Register, buf, count); | 
 | 92 | } | 
 | 93 |  | 
 | 94 | static inline void nsp_fifo16_read(unsigned int   base, | 
 | 95 | 				   void          *buf, | 
 | 96 | 				   unsigned long  count) | 
 | 97 | { | 
 | 98 | 	//nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*2", buf, count); | 
 | 99 | 	nsp_multi_read_2(base, FIFODATA, buf, count); | 
 | 100 | } | 
 | 101 |  | 
 | 102 | /*--------------------------------------------------------------*/ | 
 | 103 |  | 
 | 104 | /* read 32bit FIFO */ | 
 | 105 | static inline void nsp_multi_read_4(unsigned int   BaseAddr, | 
 | 106 | 				    unsigned int   Register, | 
 | 107 | 				    void          *buf, | 
 | 108 | 				    unsigned long  count) | 
 | 109 | { | 
 | 110 | 	insl(BaseAddr + Register, buf, count); | 
 | 111 | } | 
 | 112 |  | 
 | 113 | static inline void nsp_fifo32_read(unsigned int   base, | 
 | 114 | 				   void          *buf, | 
 | 115 | 				   unsigned long  count) | 
 | 116 | { | 
 | 117 | 	//nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count); | 
 | 118 | 	nsp_multi_read_4(base, FIFODATA, buf, count); | 
 | 119 | } | 
 | 120 |  | 
 | 121 | /*----------------------------------------------------------*/ | 
 | 122 |  | 
 | 123 | /* write 8bit FIFO */ | 
 | 124 | static inline void nsp_multi_write_1(unsigned int   BaseAddr, | 
 | 125 | 				     unsigned int   Register, | 
 | 126 | 				     void          *buf, | 
 | 127 | 				     unsigned long  count) | 
 | 128 | { | 
 | 129 | 	outsb(BaseAddr + Register, buf, count); | 
 | 130 | } | 
 | 131 |  | 
 | 132 | static inline void nsp_fifo8_write(unsigned int   base, | 
 | 133 | 				   void          *buf, | 
 | 134 | 				   unsigned long  count) | 
 | 135 | { | 
 | 136 | 	nsp_multi_write_1(base, FIFODATA, buf, count); | 
 | 137 | } | 
 | 138 |  | 
 | 139 | /*---------------------------------------------------------*/ | 
 | 140 |  | 
 | 141 | /* write 16bit FIFO */ | 
 | 142 | static inline void nsp_multi_write_2(unsigned int   BaseAddr, | 
 | 143 | 				     unsigned int   Register, | 
 | 144 | 				     void          *buf, | 
 | 145 | 				     unsigned long  count) | 
 | 146 | { | 
 | 147 | 	outsw(BaseAddr + Register, buf, count); | 
 | 148 | } | 
 | 149 |  | 
 | 150 | static inline void nsp_fifo16_write(unsigned int   base, | 
 | 151 | 				    void          *buf, | 
 | 152 | 				    unsigned long  count) | 
 | 153 | { | 
 | 154 | 	nsp_multi_write_2(base, FIFODATA, buf, count); | 
 | 155 | } | 
 | 156 |  | 
 | 157 | /*---------------------------------------------------------*/ | 
 | 158 |  | 
 | 159 | /* write 32bit FIFO */ | 
 | 160 | static inline void nsp_multi_write_4(unsigned int   BaseAddr, | 
 | 161 | 				     unsigned int   Register, | 
 | 162 | 				     void          *buf, | 
 | 163 | 				     unsigned long  count) | 
 | 164 | { | 
 | 165 | 	outsl(BaseAddr + Register, buf, count); | 
 | 166 | } | 
 | 167 |  | 
 | 168 | static inline void nsp_fifo32_write(unsigned int   base, | 
 | 169 | 				    void          *buf, | 
 | 170 | 				    unsigned long  count) | 
 | 171 | { | 
 | 172 | 	nsp_multi_write_4(base, FIFODATA, buf, count); | 
 | 173 | } | 
 | 174 |  | 
 | 175 |  | 
 | 176 | /*====================================================================*/ | 
 | 177 |  | 
 | 178 | static inline void nsp_mmio_write(unsigned long base, | 
 | 179 | 				  unsigned int  index, | 
 | 180 | 				  unsigned char val) | 
 | 181 | { | 
 | 182 | 	unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index); | 
 | 183 |  | 
 | 184 | 	writeb(val, ptr); | 
 | 185 | } | 
 | 186 |  | 
 | 187 | static inline unsigned char nsp_mmio_read(unsigned long base, | 
 | 188 | 					  unsigned int  index) | 
 | 189 | { | 
 | 190 | 	unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index); | 
 | 191 |  | 
 | 192 | 	return readb(ptr); | 
 | 193 | } | 
 | 194 |  | 
 | 195 | /*-----------*/ | 
 | 196 |  | 
 | 197 | static inline unsigned char nsp_mmio_index_read(unsigned long base, | 
 | 198 | 						unsigned int  reg) | 
 | 199 | { | 
 | 200 | 	unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG); | 
 | 201 | 	unsigned char *data_ptr  = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG); | 
 | 202 |  | 
 | 203 | 	writeb((unsigned char)reg, index_ptr); | 
 | 204 | 	return readb(data_ptr); | 
 | 205 | } | 
 | 206 |  | 
 | 207 | static inline void nsp_mmio_index_write(unsigned long base, | 
 | 208 | 					unsigned int  reg, | 
 | 209 | 					unsigned char val) | 
 | 210 | { | 
 | 211 | 	unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG); | 
 | 212 | 	unsigned char *data_ptr  = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG); | 
 | 213 |  | 
 | 214 | 	writeb((unsigned char)reg, index_ptr); | 
 | 215 | 	writeb(val,                data_ptr); | 
 | 216 | } | 
 | 217 |  | 
 | 218 | /* read 32bit FIFO */ | 
 | 219 | static inline void nsp_mmio_multi_read_4(unsigned long  base, | 
 | 220 | 					 unsigned int   Register, | 
 | 221 | 					 void          *buf, | 
 | 222 | 					 unsigned long  count) | 
 | 223 | { | 
 | 224 | 	unsigned long *ptr = (unsigned long *)(base + Register); | 
 | 225 | 	unsigned long *tmp = (unsigned long *)buf; | 
 | 226 | 	int i; | 
 | 227 |  | 
 | 228 | 	//nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr); | 
 | 229 |  | 
 | 230 | 	for (i = 0; i < count; i++) { | 
 | 231 | 		*tmp = readl(ptr); | 
 | 232 | 		//nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp); | 
 | 233 | 		tmp++; | 
 | 234 | 	} | 
 | 235 | } | 
 | 236 |  | 
 | 237 | static inline void nsp_mmio_fifo32_read(unsigned int   base, | 
 | 238 | 					void          *buf, | 
 | 239 | 					unsigned long  count) | 
 | 240 | { | 
 | 241 | 	//nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count); | 
 | 242 | 	nsp_mmio_multi_read_4(base, FIFODATA, buf, count); | 
 | 243 | } | 
 | 244 |  | 
 | 245 | static inline void nsp_mmio_multi_write_4(unsigned long  base, | 
 | 246 | 					  unsigned int   Register, | 
 | 247 | 					  void          *buf, | 
 | 248 | 					  unsigned long  count) | 
 | 249 | { | 
 | 250 | 	unsigned long *ptr = (unsigned long *)(base + Register); | 
 | 251 | 	unsigned long *tmp = (unsigned long *)buf; | 
 | 252 | 	int i; | 
 | 253 |  | 
 | 254 | 	//nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr); | 
 | 255 |  | 
 | 256 | 	for (i = 0; i < count; i++) { | 
 | 257 | 		writel(*tmp, ptr); | 
 | 258 | 		//nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp); | 
 | 259 | 		tmp++; | 
 | 260 | 	} | 
 | 261 | } | 
 | 262 |  | 
 | 263 | static inline void nsp_mmio_fifo32_write(unsigned int   base, | 
 | 264 | 					 void          *buf, | 
 | 265 | 					 unsigned long  count) | 
 | 266 | { | 
 | 267 | 	//nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count); | 
 | 268 | 	nsp_mmio_multi_write_4(base, FIFODATA, buf, count); | 
 | 269 | } | 
 | 270 |  | 
 | 271 |  | 
 | 272 |  | 
 | 273 | #endif | 
 | 274 | /* end */ |