Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*====================================================================== |
| 2 | |
| 3 | NinjaSCSI-3 / NinjaSCSI-32Bi PCMCIA SCSI host adapter card driver |
| 4 | By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> |
| 5 | |
| 6 | Ver.2.8 Support 32bit MMIO mode |
| 7 | Support Synchronous Data Transfer Request (SDTR) mode |
| 8 | Ver.2.0 Support 32bit PIO mode |
| 9 | Ver.1.1.2 Fix for scatter list buffer exceeds |
| 10 | Ver.1.1 Support scatter list |
| 11 | Ver.0.1 Initial version |
| 12 | |
| 13 | This software may be used and distributed according to the terms of |
| 14 | the GNU General Public License. |
| 15 | |
| 16 | ======================================================================*/ |
| 17 | |
| 18 | /*********************************************************************** |
| 19 | This driver is for these PCcards. |
| 20 | |
| 21 | I-O DATA PCSC-F (Workbit NinjaSCSI-3) |
| 22 | "WBT", "NinjaSCSI-3", "R1.0" |
| 23 | I-O DATA CBSC-II (Workbit NinjaSCSI-32Bi in 16bit mode) |
| 24 | "IO DATA", "CBSC16 ", "1" |
| 25 | |
| 26 | ***********************************************************************/ |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/module.h> |
| 29 | #include <linux/kernel.h> |
| 30 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/slab.h> |
| 32 | #include <linux/string.h> |
| 33 | #include <linux/timer.h> |
| 34 | #include <linux/ioport.h> |
| 35 | #include <linux/delay.h> |
| 36 | #include <linux/interrupt.h> |
| 37 | #include <linux/major.h> |
| 38 | #include <linux/blkdev.h> |
| 39 | #include <linux/stat.h> |
| 40 | |
| 41 | #include <asm/io.h> |
| 42 | #include <asm/irq.h> |
| 43 | |
| 44 | #include <../drivers/scsi/scsi.h> |
| 45 | #include <scsi/scsi_host.h> |
| 46 | |
| 47 | #include <scsi/scsi.h> |
| 48 | #include <scsi/scsi_ioctl.h> |
| 49 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | #include <pcmcia/cistpl.h> |
| 51 | #include <pcmcia/cisreg.h> |
| 52 | #include <pcmcia/ds.h> |
| 53 | |
| 54 | #include "nsp_cs.h" |
| 55 | |
| 56 | MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>"); |
Adrian Bunk | 774251e | 2007-10-02 14:38:01 -0700 | [diff] [blame] | 57 | MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | MODULE_SUPPORTED_DEVICE("sd,sr,sg,st"); |
| 59 | #ifdef MODULE_LICENSE |
| 60 | MODULE_LICENSE("GPL"); |
| 61 | #endif |
| 62 | |
| 63 | #include "nsp_io.h" |
| 64 | |
| 65 | /*====================================================================*/ |
| 66 | /* Parameters that can be set with 'insmod' */ |
| 67 | |
| 68 | static int nsp_burst_mode = BURST_MEM32; |
| 69 | module_param(nsp_burst_mode, int, 0); |
| 70 | MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))"); |
| 71 | |
| 72 | /* Release IO ports after configuration? */ |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 73 | static bool free_ports = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | module_param(free_ports, bool, 0); |
| 75 | MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))"); |
| 76 | |
Christoph Hellwig | d0be4a7d | 2005-10-31 18:31:40 +0100 | [diff] [blame] | 77 | static struct scsi_host_template nsp_driver_template = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | .proc_name = "nsp_cs", |
Al Viro | 63fd57c | 2013-03-31 02:14:18 -0400 | [diff] [blame] | 79 | .show_info = nsp_show_info, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | .name = "WorkBit NinjaSCSI-3/32Bi(16bit)", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | .info = nsp_info, |
| 82 | .queuecommand = nsp_queuecommand, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | /* .eh_abort_handler = nsp_eh_abort,*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | .eh_bus_reset_handler = nsp_eh_bus_reset, |
| 85 | .eh_host_reset_handler = nsp_eh_host_reset, |
| 86 | .can_queue = 1, |
| 87 | .this_id = NSP_INITIATOR_ID, |
| 88 | .sg_tablesize = SG_ALL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | .use_clustering = DISABLE_CLUSTERING, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | }; |
| 91 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ |
| 93 | |
| 94 | |
| 95 | |
| 96 | /* |
| 97 | * debug, error print |
| 98 | */ |
| 99 | #ifndef NSP_DEBUG |
| 100 | # define NSP_DEBUG_MASK 0x000000 |
| 101 | # define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args) |
| 102 | # define nsp_dbg(mask, args...) /* */ |
| 103 | #else |
| 104 | # define NSP_DEBUG_MASK 0xffffff |
| 105 | # define nsp_msg(type, args...) \ |
Harvey Harrison | cadbd4a | 2008-07-03 23:47:27 -0700 | [diff] [blame] | 106 | nsp_cs_message (__func__, __LINE__, (type), args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | # define nsp_dbg(mask, args...) \ |
Harvey Harrison | cadbd4a | 2008-07-03 23:47:27 -0700 | [diff] [blame] | 108 | nsp_cs_dmessage(__func__, __LINE__, (mask), args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | #endif |
| 110 | |
| 111 | #define NSP_DEBUG_QUEUECOMMAND BIT(0) |
| 112 | #define NSP_DEBUG_REGISTER BIT(1) |
| 113 | #define NSP_DEBUG_AUTOSCSI BIT(2) |
| 114 | #define NSP_DEBUG_INTR BIT(3) |
| 115 | #define NSP_DEBUG_SGLIST BIT(4) |
| 116 | #define NSP_DEBUG_BUSFREE BIT(5) |
| 117 | #define NSP_DEBUG_CDB_CONTENTS BIT(6) |
| 118 | #define NSP_DEBUG_RESELECTION BIT(7) |
| 119 | #define NSP_DEBUG_MSGINOCCUR BIT(8) |
| 120 | #define NSP_DEBUG_EEPROM BIT(9) |
| 121 | #define NSP_DEBUG_MSGOUTOCCUR BIT(10) |
| 122 | #define NSP_DEBUG_BUSRESET BIT(11) |
| 123 | #define NSP_DEBUG_RESTART BIT(12) |
| 124 | #define NSP_DEBUG_SYNC BIT(13) |
| 125 | #define NSP_DEBUG_WAIT BIT(14) |
| 126 | #define NSP_DEBUG_TARGETFLAG BIT(15) |
| 127 | #define NSP_DEBUG_PROC BIT(16) |
| 128 | #define NSP_DEBUG_INIT BIT(17) |
| 129 | #define NSP_DEBUG_DATA_IO BIT(18) |
| 130 | #define NSP_SPECIAL_PRINT_REGISTER BIT(20) |
| 131 | |
| 132 | #define NSP_DEBUG_BUF_LEN 150 |
| 133 | |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 134 | static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc) |
| 135 | { |
| 136 | scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc); |
| 137 | } |
| 138 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) |
| 140 | { |
| 141 | va_list args; |
| 142 | char buf[NSP_DEBUG_BUF_LEN]; |
| 143 | |
| 144 | va_start(args, fmt); |
| 145 | vsnprintf(buf, sizeof(buf), fmt, args); |
| 146 | va_end(args); |
| 147 | |
| 148 | #ifndef NSP_DEBUG |
| 149 | printk("%snsp_cs: %s\n", type, buf); |
| 150 | #else |
| 151 | printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf); |
| 152 | #endif |
| 153 | } |
| 154 | |
| 155 | #ifdef NSP_DEBUG |
| 156 | static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...) |
| 157 | { |
| 158 | va_list args; |
| 159 | char buf[NSP_DEBUG_BUF_LEN]; |
| 160 | |
| 161 | va_start(args, fmt); |
| 162 | vsnprintf(buf, sizeof(buf), fmt, args); |
| 163 | va_end(args); |
| 164 | |
| 165 | if (mask & NSP_DEBUG_MASK) { |
| 166 | printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf); |
| 167 | } |
| 168 | } |
| 169 | #endif |
| 170 | |
| 171 | /***********************************************************/ |
| 172 | |
| 173 | /*==================================================== |
| 174 | * Clenaup parameters and call done() functions. |
| 175 | * You must be set SCpnt->result before call this function. |
| 176 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 177 | static void nsp_scsi_done(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | { |
| 179 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 180 | |
| 181 | data->CurrentSC = NULL; |
| 182 | |
| 183 | SCpnt->scsi_done(SCpnt); |
| 184 | } |
| 185 | |
Jeff Garzik | f281233 | 2010-11-16 02:10:29 -0500 | [diff] [blame] | 186 | static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt, |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 187 | void (*done)(struct scsi_cmnd *)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | { |
| 189 | #ifdef NSP_DEBUG |
| 190 | /*unsigned int host_id = SCpnt->device->host->this_id;*/ |
| 191 | /*unsigned int base = SCpnt->device->host->io_port;*/ |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 192 | unsigned char target = scmd_id(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | #endif |
| 194 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 195 | |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 196 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 197 | "SCpnt=0x%p target=%d lun=%llu sglist=0x%p bufflen=%d sg_count=%d", |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 198 | SCpnt, target, SCpnt->device->lun, scsi_sglist(SCpnt), |
| 199 | scsi_bufflen(SCpnt), scsi_sg_count(SCpnt)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); |
| 201 | |
| 202 | SCpnt->scsi_done = done; |
| 203 | |
| 204 | if (data->CurrentSC != NULL) { |
| 205 | nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen"); |
| 206 | SCpnt->result = DID_BAD_TARGET << 16; |
| 207 | nsp_scsi_done(SCpnt); |
| 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | #if 0 |
| 212 | /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility. |
| 213 | This makes kernel crash when suspending... */ |
| 214 | if (data->ScsiInfo->stop != 0) { |
| 215 | nsp_msg(KERN_INFO, "suspending device. reject command."); |
| 216 | SCpnt->result = DID_BAD_TARGET << 16; |
| 217 | nsp_scsi_done(SCpnt); |
| 218 | return SCSI_MLQUEUE_HOST_BUSY; |
| 219 | } |
| 220 | #endif |
| 221 | |
| 222 | show_command(SCpnt); |
| 223 | |
| 224 | data->CurrentSC = SCpnt; |
| 225 | |
| 226 | SCpnt->SCp.Status = CHECK_CONDITION; |
| 227 | SCpnt->SCp.Message = 0; |
| 228 | SCpnt->SCp.have_data_in = IO_UNKNOWN; |
| 229 | SCpnt->SCp.sent_command = 0; |
| 230 | SCpnt->SCp.phase = PH_UNDETERMINED; |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 231 | scsi_set_resid(SCpnt, scsi_bufflen(SCpnt)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | |
| 233 | /* setup scratch area |
| 234 | SCp.ptr : buffer pointer |
| 235 | SCp.this_residual : buffer length |
| 236 | SCp.buffer : next buffer |
| 237 | SCp.buffers_residual : left buffers in list |
| 238 | SCp.phase : current state of the command */ |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 239 | if (scsi_bufflen(SCpnt)) { |
| 240 | SCpnt->SCp.buffer = scsi_sglist(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | SCpnt->SCp.ptr = BUFFER_ADDR; |
| 242 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 243 | SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | } else { |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 245 | SCpnt->SCp.ptr = NULL; |
| 246 | SCpnt->SCp.this_residual = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | SCpnt->SCp.buffer = NULL; |
| 248 | SCpnt->SCp.buffers_residual = 0; |
| 249 | } |
| 250 | |
| 251 | if (nsphw_start_selection(SCpnt) == FALSE) { |
| 252 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); |
| 253 | SCpnt->result = DID_BUS_BUSY << 16; |
| 254 | nsp_scsi_done(SCpnt); |
| 255 | return 0; |
| 256 | } |
| 257 | |
| 258 | |
| 259 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out"); |
| 260 | #ifdef NSP_DEBUG |
| 261 | data->CmdId++; |
| 262 | #endif |
| 263 | return 0; |
| 264 | } |
| 265 | |
Jeff Garzik | f281233 | 2010-11-16 02:10:29 -0500 | [diff] [blame] | 266 | static DEF_SCSI_QCMD(nsp_queuecommand) |
| 267 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | /* |
| 269 | * setup PIO FIFO transfer mode and enable/disable to data out |
| 270 | */ |
| 271 | static void nsp_setup_fifo(nsp_hw_data *data, int enabled) |
| 272 | { |
| 273 | unsigned int base = data->BaseAddress; |
| 274 | unsigned char transfer_mode_reg; |
| 275 | |
| 276 | //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); |
| 277 | |
| 278 | if (enabled != FALSE) { |
| 279 | transfer_mode_reg = TRANSFER_GO | BRAIND; |
| 280 | } else { |
| 281 | transfer_mode_reg = 0; |
| 282 | } |
| 283 | |
| 284 | transfer_mode_reg |= data->TransferMode; |
| 285 | |
| 286 | nsp_index_write(base, TRANSFERMODE, transfer_mode_reg); |
| 287 | } |
| 288 | |
| 289 | static void nsphw_init_sync(nsp_hw_data *data) |
| 290 | { |
| 291 | sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET, |
| 292 | .SyncPeriod = 0, |
| 293 | .SyncOffset = 0 |
| 294 | }; |
| 295 | int i; |
| 296 | |
| 297 | /* setup sync data */ |
| 298 | for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) { |
| 299 | data->Sync[i] = tmp_sync; |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | /* |
| 304 | * Initialize Ninja hardware |
| 305 | */ |
| 306 | static int nsphw_init(nsp_hw_data *data) |
| 307 | { |
| 308 | unsigned int base = data->BaseAddress; |
| 309 | |
| 310 | nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base); |
| 311 | |
| 312 | data->ScsiClockDiv = CLOCK_40M | FAST_20; |
| 313 | data->CurrentSC = NULL; |
| 314 | data->FifoCount = 0; |
| 315 | data->TransferMode = MODE_IO8; |
| 316 | |
| 317 | nsphw_init_sync(data); |
| 318 | |
| 319 | /* block all interrupts */ |
| 320 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); |
| 321 | |
| 322 | /* setup SCSI interface */ |
| 323 | nsp_write(base, IFSELECT, IF_IFSEL); |
| 324 | |
| 325 | nsp_index_write(base, SCSIIRQMODE, 0); |
| 326 | |
| 327 | nsp_index_write(base, TRANSFERMODE, MODE_IO8); |
| 328 | nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv); |
| 329 | |
| 330 | nsp_index_write(base, PARITYCTRL, 0); |
| 331 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | |
| 332 | ACK_COUNTER_CLEAR | |
| 333 | REQ_COUNTER_CLEAR | |
| 334 | HOST_COUNTER_CLEAR); |
| 335 | |
| 336 | /* setup fifo asic */ |
| 337 | nsp_write(base, IFSELECT, IF_REGSEL); |
| 338 | nsp_index_write(base, TERMPWRCTRL, 0); |
| 339 | if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) { |
| 340 | nsp_msg(KERN_INFO, "terminator power on"); |
| 341 | nsp_index_write(base, TERMPWRCTRL, POWER_ON); |
| 342 | } |
| 343 | |
| 344 | nsp_index_write(base, TIMERCOUNT, 0); |
| 345 | nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */ |
| 346 | |
| 347 | nsp_index_write(base, SYNCREG, 0); |
| 348 | nsp_index_write(base, ACKWIDTH, 0); |
| 349 | |
| 350 | /* enable interrupts and ack them */ |
| 351 | nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI | |
| 352 | RESELECT_EI | |
| 353 | SCSI_RESET_IRQ_EI ); |
| 354 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); |
| 355 | |
| 356 | nsp_setup_fifo(data, FALSE); |
| 357 | |
| 358 | return TRUE; |
| 359 | } |
| 360 | |
| 361 | /* |
| 362 | * Start selection phase |
| 363 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 364 | static int nsphw_start_selection(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | { |
| 366 | unsigned int host_id = SCpnt->device->host->this_id; |
| 367 | unsigned int base = SCpnt->device->host->io_port; |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 368 | unsigned char target = scmd_id(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 370 | int time_out; |
| 371 | unsigned char phase, arbit; |
| 372 | |
| 373 | //nsp_dbg(NSP_DEBUG_RESELECTION, "in"); |
| 374 | |
| 375 | phase = nsp_index_read(base, SCSIBUSMON); |
| 376 | if(phase != BUSMON_BUS_FREE) { |
| 377 | //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); |
| 378 | return FALSE; |
| 379 | } |
| 380 | |
| 381 | /* start arbitration */ |
| 382 | //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); |
| 383 | SCpnt->SCp.phase = PH_ARBSTART; |
| 384 | nsp_index_write(base, SETARBIT, ARBIT_GO); |
| 385 | |
| 386 | time_out = 1000; |
| 387 | do { |
| 388 | /* XXX: what a stupid chip! */ |
| 389 | arbit = nsp_index_read(base, ARBITSTATUS); |
| 390 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count); |
| 391 | udelay(1); /* hold 1.2us */ |
| 392 | } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 && |
| 393 | (time_out-- != 0)); |
| 394 | |
| 395 | if (!(arbit & ARBIT_WIN)) { |
| 396 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); |
| 397 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); |
| 398 | return FALSE; |
| 399 | } |
| 400 | |
| 401 | /* assert select line */ |
| 402 | //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); |
| 403 | SCpnt->SCp.phase = PH_SELSTART; |
| 404 | udelay(3); /* wait 2.4us */ |
| 405 | nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); |
| 406 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); |
| 407 | udelay(2); /* wait >1.2us */ |
| 408 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN); |
| 409 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); |
| 410 | /*udelay(1);*/ /* wait >90ns */ |
| 411 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN); |
| 412 | |
| 413 | /* check selection timeout */ |
| 414 | nsp_start_timer(SCpnt, 1000/51); |
| 415 | data->SelectionTimeOut = 1; |
| 416 | |
| 417 | return TRUE; |
| 418 | } |
| 419 | |
| 420 | struct nsp_sync_table { |
| 421 | unsigned int min_period; |
| 422 | unsigned int max_period; |
| 423 | unsigned int chip_period; |
| 424 | unsigned int ack_width; |
| 425 | }; |
| 426 | |
| 427 | static struct nsp_sync_table nsp_sync_table_40M[] = { |
| 428 | {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/ |
| 429 | {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/ |
| 430 | {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/ |
| 431 | {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/ |
| 432 | { 0, 0, 0, 0}, |
| 433 | }; |
| 434 | |
| 435 | static struct nsp_sync_table nsp_sync_table_20M[] = { |
| 436 | {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/ |
| 437 | {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/ |
| 438 | {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/ |
| 439 | { 0, 0, 0, 0}, |
| 440 | }; |
| 441 | |
| 442 | /* |
| 443 | * setup synchronous data transfer mode |
| 444 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 445 | static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | { |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 447 | unsigned char target = scmd_id(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | // unsigned char lun = SCpnt->device->lun; |
| 449 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 450 | sync_data *sync = &(data->Sync[target]); |
| 451 | struct nsp_sync_table *sync_table; |
| 452 | unsigned int period, offset; |
| 453 | int i; |
| 454 | |
| 455 | |
| 456 | nsp_dbg(NSP_DEBUG_SYNC, "in"); |
| 457 | |
| 458 | period = sync->SyncPeriod; |
| 459 | offset = sync->SyncOffset; |
| 460 | |
| 461 | nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset); |
| 462 | |
| 463 | if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) { |
| 464 | sync_table = nsp_sync_table_20M; |
| 465 | } else { |
| 466 | sync_table = nsp_sync_table_40M; |
| 467 | } |
| 468 | |
| 469 | for ( i = 0; sync_table->max_period != 0; i++, sync_table++) { |
| 470 | if ( period >= sync_table->min_period && |
| 471 | period <= sync_table->max_period ) { |
| 472 | break; |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | if (period != 0 && sync_table->max_period == 0) { |
| 477 | /* |
| 478 | * No proper period/offset found |
| 479 | */ |
| 480 | nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset"); |
| 481 | |
| 482 | sync->SyncPeriod = 0; |
| 483 | sync->SyncOffset = 0; |
| 484 | sync->SyncRegister = 0; |
| 485 | sync->AckWidth = 0; |
| 486 | |
| 487 | return FALSE; |
| 488 | } |
| 489 | |
| 490 | sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | |
| 491 | (offset & SYNCREG_OFFSET_MASK); |
| 492 | sync->AckWidth = sync_table->ack_width; |
| 493 | |
| 494 | nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); |
| 495 | |
| 496 | return TRUE; |
| 497 | } |
| 498 | |
| 499 | |
| 500 | /* |
| 501 | * start ninja hardware timer |
| 502 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 503 | static void nsp_start_timer(struct scsi_cmnd *SCpnt, int time) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | { |
| 505 | unsigned int base = SCpnt->device->host->io_port; |
| 506 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 507 | |
| 508 | //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time); |
| 509 | data->TimerCount = time; |
| 510 | nsp_index_write(base, TIMERCOUNT, time); |
| 511 | } |
| 512 | |
| 513 | /* |
| 514 | * wait for bus phase change |
| 515 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 516 | static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask, |
| 517 | char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | { |
| 519 | unsigned int base = SCpnt->device->host->io_port; |
| 520 | unsigned char reg; |
| 521 | int time_out; |
| 522 | |
| 523 | //nsp_dbg(NSP_DEBUG_INTR, "in"); |
| 524 | |
| 525 | time_out = 100; |
| 526 | |
| 527 | do { |
| 528 | reg = nsp_index_read(base, SCSIBUSMON); |
| 529 | if (reg == 0xff) { |
| 530 | break; |
| 531 | } |
Roel Kluin | 0454c74 | 2009-06-10 12:56:59 -0700 | [diff] [blame] | 532 | } while ((--time_out != 0) && (reg & mask) != 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | |
| 534 | if (time_out == 0) { |
Masanari Iida | 9b13494 | 2014-08-06 22:31:28 +0900 | [diff] [blame] | 535 | nsp_msg(KERN_DEBUG, " %s signal off timeout", str); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | } |
| 537 | |
| 538 | return 0; |
| 539 | } |
| 540 | |
| 541 | /* |
| 542 | * expect Ninja Irq |
| 543 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 544 | static int nsp_expect_signal(struct scsi_cmnd *SCpnt, |
| 545 | unsigned char current_phase, |
| 546 | unsigned char mask) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | { |
| 548 | unsigned int base = SCpnt->device->host->io_port; |
| 549 | int time_out; |
| 550 | unsigned char phase, i_src; |
| 551 | |
| 552 | //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask); |
| 553 | |
| 554 | time_out = 100; |
| 555 | do { |
| 556 | phase = nsp_index_read(base, SCSIBUSMON); |
| 557 | if (phase == 0xff) { |
| 558 | //nsp_dbg(NSP_DEBUG_INTR, "ret -1"); |
| 559 | return -1; |
| 560 | } |
| 561 | i_src = nsp_read(base, IRQSTATUS); |
| 562 | if (i_src & IRQSTATUS_SCSI) { |
| 563 | //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal"); |
| 564 | return 0; |
| 565 | } |
| 566 | if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) { |
| 567 | //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase); |
| 568 | return 1; |
| 569 | } |
| 570 | } while(time_out-- != 0); |
| 571 | |
| 572 | //nsp_dbg(NSP_DEBUG_INTR, "timeout"); |
| 573 | return -1; |
| 574 | } |
| 575 | |
| 576 | /* |
| 577 | * transfer SCSI message |
| 578 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 579 | static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | { |
| 581 | unsigned int base = SCpnt->device->host->io_port; |
| 582 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 583 | char *buf = data->MsgBuffer; |
| 584 | int len = min(MSGBUF_SIZE, data->MsgLen); |
| 585 | int ptr; |
| 586 | int ret; |
| 587 | |
| 588 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); |
| 589 | for (ptr = 0; len > 0; len--, ptr++) { |
| 590 | |
| 591 | ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ); |
| 592 | if (ret <= 0) { |
| 593 | nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit"); |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | /* if last byte, negate ATN */ |
| 598 | if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { |
| 599 | nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); |
| 600 | } |
| 601 | |
| 602 | /* read & write message */ |
| 603 | if (phase & BUSMON_IO) { |
| 604 | nsp_dbg(NSP_DEBUG_DATA_IO, "read msg"); |
| 605 | buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK); |
| 606 | } else { |
| 607 | nsp_dbg(NSP_DEBUG_DATA_IO, "write msg"); |
| 608 | nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]); |
| 609 | } |
| 610 | nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>"); |
| 611 | |
| 612 | } |
| 613 | return len; |
| 614 | } |
| 615 | |
| 616 | /* |
| 617 | * get extra SCSI data from fifo |
| 618 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 619 | static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 620 | { |
| 621 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 622 | unsigned int count; |
| 623 | |
| 624 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); |
| 625 | |
| 626 | if (SCpnt->SCp.have_data_in != IO_IN) { |
| 627 | return 0; |
| 628 | } |
| 629 | |
| 630 | count = nsp_fifo_count(SCpnt); |
| 631 | if (data->FifoCount == count) { |
| 632 | //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk"); |
| 633 | return 0; |
| 634 | } |
| 635 | |
| 636 | /* |
| 637 | * XXX: NSP_QUIRK |
| 638 | * data phase skip only occures in case of SCSI_LOW_READ |
| 639 | */ |
| 640 | nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); |
| 641 | SCpnt->SCp.phase = PH_DATA; |
| 642 | nsp_pio_read(SCpnt); |
| 643 | nsp_setup_fifo(data, FALSE); |
| 644 | |
| 645 | return 0; |
| 646 | } |
| 647 | |
| 648 | /* |
| 649 | * accept reselection |
| 650 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 651 | static int nsp_reselected(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | { |
| 653 | unsigned int base = SCpnt->device->host->io_port; |
| 654 | unsigned int host_id = SCpnt->device->host->this_id; |
| 655 | //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 656 | unsigned char bus_reg; |
| 657 | unsigned char id_reg, tmp; |
| 658 | int target; |
| 659 | |
| 660 | nsp_dbg(NSP_DEBUG_RESELECTION, "in"); |
| 661 | |
| 662 | id_reg = nsp_index_read(base, RESELECTID); |
| 663 | tmp = id_reg & (~BIT(host_id)); |
| 664 | target = 0; |
| 665 | while(tmp != 0) { |
| 666 | if (tmp & BIT(0)) { |
| 667 | break; |
| 668 | } |
| 669 | tmp >>= 1; |
| 670 | target++; |
| 671 | } |
| 672 | |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 673 | if (scmd_id(SCpnt) != target) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 674 | nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target); |
| 675 | } |
| 676 | |
| 677 | nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>"); |
| 678 | |
| 679 | nsp_nexus(SCpnt); |
| 680 | bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); |
| 681 | nsp_index_write(base, SCSIBUSCTRL, bus_reg); |
| 682 | nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); |
| 683 | |
| 684 | return TRUE; |
| 685 | } |
| 686 | |
| 687 | /* |
| 688 | * count how many data transferd |
| 689 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 690 | static int nsp_fifo_count(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | { |
| 692 | unsigned int base = SCpnt->device->host->io_port; |
| 693 | unsigned int count; |
| 694 | unsigned int l, m, h, dummy; |
| 695 | |
| 696 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER); |
| 697 | |
| 698 | l = nsp_index_read(base, TRANSFERCOUNT); |
| 699 | m = nsp_index_read(base, TRANSFERCOUNT); |
| 700 | h = nsp_index_read(base, TRANSFERCOUNT); |
| 701 | dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */ |
| 702 | |
| 703 | count = (h << 16) | (m << 8) | (l << 0); |
| 704 | |
| 705 | //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count); |
| 706 | |
| 707 | return count; |
| 708 | } |
| 709 | |
| 710 | /* fifo size */ |
| 711 | #define RFIFO_CRIT 64 |
| 712 | #define WFIFO_CRIT 64 |
| 713 | |
| 714 | /* |
| 715 | * read data in DATA IN phase |
| 716 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 717 | static void nsp_pio_read(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | { |
| 719 | unsigned int base = SCpnt->device->host->io_port; |
| 720 | unsigned long mmio_base = SCpnt->device->host->base; |
| 721 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 722 | long time_out; |
| 723 | int ocount, res; |
| 724 | unsigned char stat, fifo_stat; |
| 725 | |
| 726 | ocount = data->FifoCount; |
| 727 | |
| 728 | nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d", |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 729 | SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr, |
| 730 | SCpnt->SCp.this_residual, SCpnt->SCp.buffer, |
| 731 | SCpnt->SCp.buffers_residual); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | |
| 733 | time_out = 1000; |
| 734 | |
| 735 | while ((time_out-- != 0) && |
| 736 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) { |
| 737 | |
| 738 | stat = nsp_index_read(base, SCSIBUSMON); |
| 739 | stat &= BUSMON_PHASE_MASK; |
| 740 | |
| 741 | |
| 742 | res = nsp_fifo_count(SCpnt) - ocount; |
| 743 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x ocount=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount, res); |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 744 | if (res == 0) { /* if some data available ? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | if (stat == BUSPHASE_DATA_IN) { /* phase changed? */ |
| 746 | //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual); |
| 747 | continue; |
| 748 | } else { |
| 749 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat); |
| 750 | break; |
| 751 | } |
| 752 | } |
| 753 | |
| 754 | fifo_stat = nsp_read(base, FIFOSTATUS); |
| 755 | if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 && |
| 756 | stat == BUSPHASE_DATA_IN) { |
| 757 | continue; |
| 758 | } |
| 759 | |
| 760 | res = min(res, SCpnt->SCp.this_residual); |
| 761 | |
| 762 | switch (data->TransferMode) { |
| 763 | case MODE_IO32: |
| 764 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| 765 | nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2); |
| 766 | break; |
| 767 | case MODE_IO8: |
| 768 | nsp_fifo8_read (base, SCpnt->SCp.ptr, res ); |
| 769 | break; |
| 770 | |
| 771 | case MODE_MEM32: |
| 772 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| 773 | nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2); |
| 774 | break; |
| 775 | |
| 776 | default: |
| 777 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode"); |
| 778 | return; |
| 779 | } |
| 780 | |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 781 | nsp_inc_resid(SCpnt, -res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | SCpnt->SCp.ptr += res; |
| 783 | SCpnt->SCp.this_residual -= res; |
| 784 | ocount += res; |
| 785 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount); |
| 786 | |
| 787 | /* go to next scatter list if available */ |
| 788 | if (SCpnt->SCp.this_residual == 0 && |
| 789 | SCpnt->SCp.buffers_residual != 0 ) { |
| 790 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out); |
| 791 | SCpnt->SCp.buffers_residual--; |
| 792 | SCpnt->SCp.buffer++; |
| 793 | SCpnt->SCp.ptr = BUFFER_ADDR; |
| 794 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; |
| 795 | time_out = 1000; |
| 796 | |
| 797 | //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset); |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | data->FifoCount = ocount; |
| 802 | |
Roel Kluin | 0454c74 | 2009-06-10 12:56:59 -0700 | [diff] [blame] | 803 | if (time_out < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 804 | nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 805 | scsi_get_resid(SCpnt), SCpnt->SCp.this_residual, |
| 806 | SCpnt->SCp.buffers_residual); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | } |
| 808 | nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 809 | nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, |
| 810 | scsi_get_resid(SCpnt)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | } |
| 812 | |
| 813 | /* |
| 814 | * write data in DATA OUT phase |
| 815 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 816 | static void nsp_pio_write(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | { |
| 818 | unsigned int base = SCpnt->device->host->io_port; |
| 819 | unsigned long mmio_base = SCpnt->device->host->base; |
| 820 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 821 | int time_out; |
| 822 | int ocount, res; |
| 823 | unsigned char stat; |
| 824 | |
| 825 | ocount = data->FifoCount; |
| 826 | |
| 827 | nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 828 | data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, |
| 829 | SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, |
| 830 | scsi_get_resid(SCpnt)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | |
| 832 | time_out = 1000; |
| 833 | |
| 834 | while ((time_out-- != 0) && |
| 835 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { |
| 836 | stat = nsp_index_read(base, SCSIBUSMON); |
| 837 | stat &= BUSMON_PHASE_MASK; |
| 838 | |
| 839 | if (stat != BUSPHASE_DATA_OUT) { |
| 840 | res = ocount - nsp_fifo_count(SCpnt); |
| 841 | |
| 842 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); |
| 843 | /* Put back pointer */ |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 844 | nsp_inc_resid(SCpnt, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | SCpnt->SCp.ptr -= res; |
| 846 | SCpnt->SCp.this_residual += res; |
| 847 | ocount -= res; |
| 848 | |
| 849 | break; |
| 850 | } |
| 851 | |
| 852 | res = ocount - nsp_fifo_count(SCpnt); |
| 853 | if (res > 0) { /* write all data? */ |
| 854 | nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res); |
| 855 | continue; |
| 856 | } |
| 857 | |
| 858 | res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); |
| 859 | |
| 860 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); |
| 861 | switch (data->TransferMode) { |
| 862 | case MODE_IO32: |
| 863 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| 864 | nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); |
| 865 | break; |
| 866 | case MODE_IO8: |
| 867 | nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); |
| 868 | break; |
| 869 | |
| 870 | case MODE_MEM32: |
| 871 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| 872 | nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); |
| 873 | break; |
| 874 | |
| 875 | default: |
| 876 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode"); |
| 877 | break; |
| 878 | } |
| 879 | |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 880 | nsp_inc_resid(SCpnt, -res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | SCpnt->SCp.ptr += res; |
| 882 | SCpnt->SCp.this_residual -= res; |
| 883 | ocount += res; |
| 884 | |
| 885 | /* go to next scatter list if available */ |
| 886 | if (SCpnt->SCp.this_residual == 0 && |
| 887 | SCpnt->SCp.buffers_residual != 0 ) { |
| 888 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); |
| 889 | SCpnt->SCp.buffers_residual--; |
| 890 | SCpnt->SCp.buffer++; |
| 891 | SCpnt->SCp.ptr = BUFFER_ADDR; |
| 892 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; |
| 893 | time_out = 1000; |
| 894 | } |
| 895 | } |
| 896 | |
| 897 | data->FifoCount = ocount; |
| 898 | |
Roel Kluin | 0454c74 | 2009-06-10 12:56:59 -0700 | [diff] [blame] | 899 | if (time_out < 0) { |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 900 | nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", |
| 901 | scsi_get_resid(SCpnt)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | } |
| 903 | nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 904 | nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, |
| 905 | scsi_get_resid(SCpnt)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | } |
| 907 | #undef RFIFO_CRIT |
| 908 | #undef WFIFO_CRIT |
| 909 | |
| 910 | /* |
| 911 | * setup synchronous/asynchronous data transfer mode |
| 912 | */ |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 913 | static int nsp_nexus(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 914 | { |
| 915 | unsigned int base = SCpnt->device->host->io_port; |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 916 | unsigned char target = scmd_id(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | // unsigned char lun = SCpnt->device->lun; |
| 918 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 919 | sync_data *sync = &(data->Sync[target]); |
| 920 | |
| 921 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt); |
| 922 | |
| 923 | /* setup synch transfer registers */ |
| 924 | nsp_index_write(base, SYNCREG, sync->SyncRegister); |
| 925 | nsp_index_write(base, ACKWIDTH, sync->AckWidth); |
| 926 | |
Boaz Harrosh | 040cd23 | 2007-08-16 13:01:05 +0300 | [diff] [blame] | 927 | if (scsi_get_resid(SCpnt) % 4 != 0 || |
| 928 | scsi_get_resid(SCpnt) <= PAGE_SIZE ) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | data->TransferMode = MODE_IO8; |
| 930 | } else if (nsp_burst_mode == BURST_MEM32) { |
| 931 | data->TransferMode = MODE_MEM32; |
| 932 | } else if (nsp_burst_mode == BURST_IO32) { |
| 933 | data->TransferMode = MODE_IO32; |
| 934 | } else { |
| 935 | data->TransferMode = MODE_IO8; |
| 936 | } |
| 937 | |
| 938 | /* setup pdma fifo */ |
| 939 | nsp_setup_fifo(data, TRUE); |
| 940 | |
| 941 | /* clear ack counter */ |
| 942 | data->FifoCount = 0; |
| 943 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | |
| 944 | ACK_COUNTER_CLEAR | |
| 945 | REQ_COUNTER_CLEAR | |
| 946 | HOST_COUNTER_CLEAR); |
| 947 | |
| 948 | return 0; |
| 949 | } |
| 950 | |
| 951 | #include "nsp_message.c" |
| 952 | /* |
| 953 | * interrupt handler |
| 954 | */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 955 | static irqreturn_t nspintr(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 956 | { |
| 957 | unsigned int base; |
| 958 | unsigned char irq_status, irq_phase, phase; |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 959 | struct scsi_cmnd *tmpSC; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 960 | unsigned char target, lun; |
| 961 | unsigned int *sync_neg; |
| 962 | int i, tmp; |
| 963 | nsp_hw_data *data; |
| 964 | |
| 965 | |
| 966 | //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id); |
| 967 | //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host); |
| 968 | |
| 969 | if ( dev_id != NULL && |
| 970 | ((scsi_info_t *)dev_id)->host != NULL ) { |
| 971 | scsi_info_t *info = (scsi_info_t *)dev_id; |
| 972 | |
| 973 | data = (nsp_hw_data *)info->host->hostdata; |
| 974 | } else { |
| 975 | nsp_dbg(NSP_DEBUG_INTR, "host data wrong"); |
| 976 | return IRQ_NONE; |
| 977 | } |
| 978 | |
| 979 | //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id); |
| 980 | |
| 981 | base = data->BaseAddress; |
| 982 | //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base); |
| 983 | |
| 984 | /* |
| 985 | * interrupt check |
| 986 | */ |
| 987 | nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE); |
| 988 | irq_status = nsp_read(base, IRQSTATUS); |
| 989 | //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status); |
| 990 | if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) { |
| 991 | nsp_write(base, IRQCONTROL, 0); |
| 992 | //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq"); |
| 993 | return IRQ_NONE; |
| 994 | } |
| 995 | |
| 996 | /* XXX: IMPORTANT |
| 997 | * Do not read an irq_phase register if no scsi phase interrupt. |
| 998 | * Unless, you should lose a scsi phase interrupt. |
| 999 | */ |
| 1000 | phase = nsp_index_read(base, SCSIBUSMON); |
| 1001 | if((irq_status & IRQSTATUS_SCSI) != 0) { |
| 1002 | irq_phase = nsp_index_read(base, IRQPHASESENCE); |
| 1003 | } else { |
| 1004 | irq_phase = 0; |
| 1005 | } |
| 1006 | |
| 1007 | //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase); |
| 1008 | |
| 1009 | /* |
| 1010 | * timer interrupt handler (scsi vs timer interrupts) |
| 1011 | */ |
| 1012 | //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount); |
| 1013 | if (data->TimerCount != 0) { |
| 1014 | //nsp_dbg(NSP_DEBUG_INTR, "stop timer"); |
| 1015 | nsp_index_write(base, TIMERCOUNT, 0); |
| 1016 | nsp_index_write(base, TIMERCOUNT, 0); |
| 1017 | data->TimerCount = 0; |
| 1018 | } |
| 1019 | |
| 1020 | if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER && |
| 1021 | data->SelectionTimeOut == 0) { |
| 1022 | //nsp_dbg(NSP_DEBUG_INTR, "timer start"); |
| 1023 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR); |
| 1024 | return IRQ_HANDLED; |
| 1025 | } |
| 1026 | |
| 1027 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR); |
| 1028 | |
| 1029 | if ((irq_status & IRQSTATUS_SCSI) && |
| 1030 | (irq_phase & SCSI_RESET_IRQ)) { |
| 1031 | nsp_msg(KERN_ERR, "bus reset (power off?)"); |
| 1032 | |
| 1033 | nsphw_init(data); |
| 1034 | nsp_bus_reset(data); |
| 1035 | |
| 1036 | if(data->CurrentSC != NULL) { |
| 1037 | tmpSC = data->CurrentSC; |
| 1038 | tmpSC->result = (DID_RESET << 16) | |
| 1039 | ((tmpSC->SCp.Message & 0xff) << 8) | |
| 1040 | ((tmpSC->SCp.Status & 0xff) << 0); |
| 1041 | nsp_scsi_done(tmpSC); |
| 1042 | } |
| 1043 | return IRQ_HANDLED; |
| 1044 | } |
| 1045 | |
| 1046 | if (data->CurrentSC == NULL) { |
| 1047 | nsp_msg(KERN_ERR, "CurrentSC==NULL irq_status=0x%x phase=0x%x irq_phase=0x%x this can't be happen. reset everything", irq_status, phase, irq_phase); |
| 1048 | nsphw_init(data); |
| 1049 | nsp_bus_reset(data); |
| 1050 | return IRQ_HANDLED; |
| 1051 | } |
| 1052 | |
| 1053 | tmpSC = data->CurrentSC; |
| 1054 | target = tmpSC->device->id; |
| 1055 | lun = tmpSC->device->lun; |
| 1056 | sync_neg = &(data->Sync[target].SyncNegotiation); |
| 1057 | |
| 1058 | /* |
| 1059 | * parse hardware SCSI irq reasons register |
| 1060 | */ |
| 1061 | if (irq_status & IRQSTATUS_SCSI) { |
| 1062 | if (irq_phase & RESELECT_IRQ) { |
| 1063 | nsp_dbg(NSP_DEBUG_INTR, "reselect"); |
| 1064 | nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); |
| 1065 | if (nsp_reselected(tmpSC) != FALSE) { |
| 1066 | return IRQ_HANDLED; |
| 1067 | } |
| 1068 | } |
| 1069 | |
| 1070 | if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { |
| 1071 | return IRQ_HANDLED; |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | //show_phase(tmpSC); |
| 1076 | |
| 1077 | switch(tmpSC->SCp.phase) { |
| 1078 | case PH_SELSTART: |
| 1079 | // *sync_neg = SYNC_NOT_YET; |
| 1080 | if ((phase & BUSMON_BSY) == 0) { |
| 1081 | //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut); |
| 1082 | if (data->SelectionTimeOut >= NSP_SELTIMEOUT) { |
| 1083 | nsp_dbg(NSP_DEBUG_INTR, "selection time out"); |
| 1084 | data->SelectionTimeOut = 0; |
| 1085 | nsp_index_write(base, SCSIBUSCTRL, 0); |
| 1086 | |
| 1087 | tmpSC->result = DID_TIME_OUT << 16; |
| 1088 | nsp_scsi_done(tmpSC); |
| 1089 | |
| 1090 | return IRQ_HANDLED; |
| 1091 | } |
| 1092 | data->SelectionTimeOut += 1; |
| 1093 | nsp_start_timer(tmpSC, 1000/51); |
| 1094 | return IRQ_HANDLED; |
| 1095 | } |
| 1096 | |
| 1097 | /* attention assert */ |
| 1098 | //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); |
| 1099 | data->SelectionTimeOut = 0; |
| 1100 | tmpSC->SCp.phase = PH_SELECTED; |
| 1101 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); |
| 1102 | udelay(1); |
| 1103 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); |
| 1104 | return IRQ_HANDLED; |
| 1105 | |
| 1106 | break; |
| 1107 | |
| 1108 | case PH_RESELECT: |
| 1109 | //nsp_dbg(NSP_DEBUG_INTR, "phase reselect"); |
| 1110 | // *sync_neg = SYNC_NOT_YET; |
| 1111 | if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) { |
| 1112 | |
| 1113 | tmpSC->result = DID_ABORT << 16; |
| 1114 | nsp_scsi_done(tmpSC); |
| 1115 | return IRQ_HANDLED; |
| 1116 | } |
| 1117 | /* fall thru */ |
| 1118 | default: |
| 1119 | if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { |
| 1120 | return IRQ_HANDLED; |
| 1121 | } |
| 1122 | break; |
| 1123 | } |
| 1124 | |
| 1125 | /* |
| 1126 | * SCSI sequencer |
| 1127 | */ |
| 1128 | //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); |
| 1129 | |
| 1130 | /* normal disconnect */ |
| 1131 | if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && |
| 1132 | (irq_phase & LATCHED_BUS_FREE) != 0 ) { |
| 1133 | nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); |
| 1134 | |
| 1135 | //*sync_neg = SYNC_NOT_YET; |
| 1136 | |
| 1137 | if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */ |
| 1138 | tmpSC->result = (DID_OK << 16) | |
| 1139 | ((tmpSC->SCp.Message & 0xff) << 8) | |
| 1140 | ((tmpSC->SCp.Status & 0xff) << 0); |
| 1141 | nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); |
| 1142 | nsp_scsi_done(tmpSC); |
| 1143 | |
| 1144 | return IRQ_HANDLED; |
| 1145 | } |
| 1146 | |
| 1147 | return IRQ_HANDLED; |
| 1148 | } |
| 1149 | |
| 1150 | |
| 1151 | /* check unexpected bus free state */ |
| 1152 | if (phase == 0) { |
| 1153 | nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); |
| 1154 | |
| 1155 | *sync_neg = SYNC_NG; |
| 1156 | tmpSC->result = DID_ERROR << 16; |
| 1157 | nsp_scsi_done(tmpSC); |
| 1158 | return IRQ_HANDLED; |
| 1159 | } |
| 1160 | |
| 1161 | switch (phase & BUSMON_PHASE_MASK) { |
| 1162 | case BUSPHASE_COMMAND: |
| 1163 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND"); |
| 1164 | if ((phase & BUSMON_REQ) == 0) { |
| 1165 | nsp_dbg(NSP_DEBUG_INTR, "REQ == 0"); |
| 1166 | return IRQ_HANDLED; |
| 1167 | } |
| 1168 | |
| 1169 | tmpSC->SCp.phase = PH_COMMAND; |
| 1170 | |
| 1171 | nsp_nexus(tmpSC); |
| 1172 | |
| 1173 | /* write scsi command */ |
| 1174 | nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len); |
| 1175 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER); |
| 1176 | for (i = 0; i < tmpSC->cmd_len; i++) { |
| 1177 | nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]); |
| 1178 | } |
| 1179 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO); |
| 1180 | break; |
| 1181 | |
| 1182 | case BUSPHASE_DATA_OUT: |
| 1183 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); |
| 1184 | |
| 1185 | tmpSC->SCp.phase = PH_DATA; |
| 1186 | tmpSC->SCp.have_data_in = IO_OUT; |
| 1187 | |
| 1188 | nsp_pio_write(tmpSC); |
| 1189 | |
| 1190 | break; |
| 1191 | |
| 1192 | case BUSPHASE_DATA_IN: |
| 1193 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); |
| 1194 | |
| 1195 | tmpSC->SCp.phase = PH_DATA; |
| 1196 | tmpSC->SCp.have_data_in = IO_IN; |
| 1197 | |
| 1198 | nsp_pio_read(tmpSC); |
| 1199 | |
| 1200 | break; |
| 1201 | |
| 1202 | case BUSPHASE_STATUS: |
| 1203 | nsp_dataphase_bypass(tmpSC); |
| 1204 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); |
| 1205 | |
| 1206 | tmpSC->SCp.phase = PH_STATUS; |
| 1207 | |
| 1208 | tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); |
| 1209 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); |
| 1210 | |
| 1211 | break; |
| 1212 | |
| 1213 | case BUSPHASE_MESSAGE_OUT: |
| 1214 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT"); |
| 1215 | if ((phase & BUSMON_REQ) == 0) { |
| 1216 | goto timer_out; |
| 1217 | } |
| 1218 | |
| 1219 | tmpSC->SCp.phase = PH_MSG_OUT; |
| 1220 | |
| 1221 | //*sync_neg = SYNC_NOT_YET; |
| 1222 | |
| 1223 | data->MsgLen = i = 0; |
| 1224 | data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; |
| 1225 | |
| 1226 | if (*sync_neg == SYNC_NOT_YET) { |
| 1227 | data->Sync[target].SyncPeriod = 0; |
| 1228 | data->Sync[target].SyncOffset = 0; |
| 1229 | |
| 1230 | /**/ |
| 1231 | data->MsgBuffer[i] = MSG_EXTENDED; i++; |
| 1232 | data->MsgBuffer[i] = 3; i++; |
| 1233 | data->MsgBuffer[i] = MSG_EXT_SDTR; i++; |
| 1234 | data->MsgBuffer[i] = 0x0c; i++; |
| 1235 | data->MsgBuffer[i] = 15; i++; |
| 1236 | /**/ |
| 1237 | } |
| 1238 | data->MsgLen = i; |
| 1239 | |
| 1240 | nsp_analyze_sdtr(tmpSC); |
| 1241 | show_message(data); |
| 1242 | nsp_message_out(tmpSC); |
| 1243 | break; |
| 1244 | |
| 1245 | case BUSPHASE_MESSAGE_IN: |
| 1246 | nsp_dataphase_bypass(tmpSC); |
| 1247 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN"); |
| 1248 | if ((phase & BUSMON_REQ) == 0) { |
| 1249 | goto timer_out; |
| 1250 | } |
| 1251 | |
| 1252 | tmpSC->SCp.phase = PH_MSG_IN; |
| 1253 | nsp_message_in(tmpSC); |
| 1254 | |
| 1255 | /**/ |
| 1256 | if (*sync_neg == SYNC_NOT_YET) { |
| 1257 | //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun); |
| 1258 | |
| 1259 | if (data->MsgLen >= 5 && |
| 1260 | data->MsgBuffer[0] == MSG_EXTENDED && |
| 1261 | data->MsgBuffer[1] == 3 && |
| 1262 | data->MsgBuffer[2] == MSG_EXT_SDTR ) { |
| 1263 | data->Sync[target].SyncPeriod = data->MsgBuffer[3]; |
| 1264 | data->Sync[target].SyncOffset = data->MsgBuffer[4]; |
| 1265 | //nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]); |
| 1266 | *sync_neg = SYNC_OK; |
| 1267 | } else { |
| 1268 | data->Sync[target].SyncPeriod = 0; |
| 1269 | data->Sync[target].SyncOffset = 0; |
| 1270 | *sync_neg = SYNC_NG; |
| 1271 | } |
| 1272 | nsp_analyze_sdtr(tmpSC); |
| 1273 | } |
| 1274 | /**/ |
| 1275 | |
| 1276 | /* search last messeage byte */ |
| 1277 | tmp = -1; |
| 1278 | for (i = 0; i < data->MsgLen; i++) { |
| 1279 | tmp = data->MsgBuffer[i]; |
| 1280 | if (data->MsgBuffer[i] == MSG_EXTENDED) { |
| 1281 | i += (1 + data->MsgBuffer[i+1]); |
| 1282 | } |
| 1283 | } |
| 1284 | tmpSC->SCp.Message = tmp; |
| 1285 | |
| 1286 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); |
| 1287 | show_message(data); |
| 1288 | |
| 1289 | break; |
| 1290 | |
| 1291 | case BUSPHASE_SELECT: |
| 1292 | default: |
| 1293 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other"); |
| 1294 | |
| 1295 | break; |
| 1296 | } |
| 1297 | |
| 1298 | //nsp_dbg(NSP_DEBUG_INTR, "out"); |
| 1299 | return IRQ_HANDLED; |
| 1300 | |
| 1301 | timer_out: |
| 1302 | nsp_start_timer(tmpSC, 1000/102); |
| 1303 | return IRQ_HANDLED; |
| 1304 | } |
| 1305 | |
| 1306 | #ifdef NSP_DEBUG |
| 1307 | #include "nsp_debug.c" |
| 1308 | #endif /* NSP_DEBUG */ |
| 1309 | |
| 1310 | /*----------------------------------------------------------------*/ |
| 1311 | /* look for ninja3 card and init if found */ |
| 1312 | /*----------------------------------------------------------------*/ |
Christoph Hellwig | d0be4a7d | 2005-10-31 18:31:40 +0100 | [diff] [blame] | 1313 | static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1314 | { |
| 1315 | struct Scsi_Host *host; /* registered host structure */ |
| 1316 | nsp_hw_data *data_b = &nsp_data_base, *data; |
| 1317 | |
| 1318 | nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1319 | host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1320 | if (host == NULL) { |
| 1321 | nsp_dbg(NSP_DEBUG_INIT, "host failed"); |
| 1322 | return NULL; |
| 1323 | } |
| 1324 | |
| 1325 | memcpy(host->hostdata, data_b, sizeof(nsp_hw_data)); |
| 1326 | data = (nsp_hw_data *)host->hostdata; |
| 1327 | data->ScsiInfo->host = host; |
| 1328 | #ifdef NSP_DEBUG |
| 1329 | data->CmdId = 0; |
| 1330 | #endif |
| 1331 | |
| 1332 | nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber); |
| 1333 | |
| 1334 | host->unique_id = data->BaseAddress; |
| 1335 | host->io_port = data->BaseAddress; |
| 1336 | host->n_io_port = data->NumAddress; |
| 1337 | host->irq = data->IrqNumber; |
| 1338 | host->base = data->MmioAddress; |
| 1339 | |
| 1340 | spin_lock_init(&(data->Lock)); |
| 1341 | |
| 1342 | snprintf(data->nspinfo, |
| 1343 | sizeof(data->nspinfo), |
| 1344 | "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d", |
| 1345 | host->io_port, host->io_port + host->n_io_port - 1, |
| 1346 | host->base, |
| 1347 | host->irq); |
| 1348 | sht->name = data->nspinfo; |
| 1349 | |
| 1350 | nsp_dbg(NSP_DEBUG_INIT, "end"); |
| 1351 | |
| 1352 | |
| 1353 | return host; /* detect done. */ |
| 1354 | } |
| 1355 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1356 | /*----------------------------------------------------------------*/ |
| 1357 | /* return info string */ |
| 1358 | /*----------------------------------------------------------------*/ |
| 1359 | static const char *nsp_info(struct Scsi_Host *shpnt) |
| 1360 | { |
| 1361 | nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; |
| 1362 | |
| 1363 | return data->nspinfo; |
| 1364 | } |
| 1365 | |
Al Viro | 63fd57c | 2013-03-31 02:14:18 -0400 | [diff] [blame] | 1366 | static int nsp_show_info(struct seq_file *m, struct Scsi_Host *host) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | { |
| 1368 | int id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1369 | int speed; |
| 1370 | unsigned long flags; |
| 1371 | nsp_hw_data *data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1372 | int hostno; |
Adrian Bunk | 774251e | 2007-10-02 14:38:01 -0700 | [diff] [blame] | 1373 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1374 | hostno = host->host_no; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1375 | data = (nsp_hw_data *)host->hostdata; |
| 1376 | |
Rasmus Villemoes | 3d30079 | 2014-12-03 00:10:53 +0100 | [diff] [blame] | 1377 | seq_puts(m, "NinjaSCSI status\n\n" |
| 1378 | "Driver version: $Revision: 1.23 $\n"); |
Rasmus Villemoes | 0c3de38 | 2014-12-03 00:10:49 +0100 | [diff] [blame] | 1379 | seq_printf(m, "SCSI host No.: %d\n", hostno); |
| 1380 | seq_printf(m, "IRQ: %d\n", host->irq); |
| 1381 | seq_printf(m, "IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1); |
| 1382 | seq_printf(m, "MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1); |
| 1383 | seq_printf(m, "sg_tablesize: %d\n", host->sg_tablesize); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1384 | |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1385 | seq_puts(m, "burst transfer mode: "); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | switch (nsp_burst_mode) { |
| 1387 | case BURST_IO8: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1388 | seq_puts(m, "io8"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1389 | break; |
| 1390 | case BURST_IO32: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1391 | seq_puts(m, "io32"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1392 | break; |
| 1393 | case BURST_MEM32: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1394 | seq_puts(m, "mem32"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1395 | break; |
| 1396 | default: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1397 | seq_puts(m, "???"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1398 | break; |
| 1399 | } |
Rasmus Villemoes | f50332f | 2014-12-03 00:10:54 +0100 | [diff] [blame] | 1400 | seq_putc(m, '\n'); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1401 | |
| 1402 | |
| 1403 | spin_lock_irqsave(&(data->Lock), flags); |
Rasmus Villemoes | 0c3de38 | 2014-12-03 00:10:49 +0100 | [diff] [blame] | 1404 | seq_printf(m, "CurrentSC: 0x%p\n\n", data->CurrentSC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1405 | spin_unlock_irqrestore(&(data->Lock), flags); |
| 1406 | |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1407 | seq_puts(m, "SDTR status\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1408 | for(id = 0; id < ARRAY_SIZE(data->Sync); id++) { |
| 1409 | |
Rasmus Villemoes | 0c3de38 | 2014-12-03 00:10:49 +0100 | [diff] [blame] | 1410 | seq_printf(m, "id %d: ", id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1411 | |
| 1412 | if (id == host->this_id) { |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1413 | seq_puts(m, "----- NinjaSCSI-3 host adapter\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1414 | continue; |
| 1415 | } |
| 1416 | |
| 1417 | switch(data->Sync[id].SyncNegotiation) { |
| 1418 | case SYNC_OK: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1419 | seq_puts(m, " sync"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1420 | break; |
| 1421 | case SYNC_NG: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1422 | seq_puts(m, "async"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1423 | break; |
| 1424 | case SYNC_NOT_YET: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1425 | seq_puts(m, " none"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1426 | break; |
| 1427 | default: |
Rasmus Villemoes | 91c40f2 | 2014-12-03 00:10:52 +0100 | [diff] [blame] | 1428 | seq_puts(m, "?????"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1429 | break; |
| 1430 | } |
| 1431 | |
| 1432 | if (data->Sync[id].SyncPeriod != 0) { |
| 1433 | speed = 1000000 / (data->Sync[id].SyncPeriod * 4); |
| 1434 | |
Rasmus Villemoes | 0c3de38 | 2014-12-03 00:10:49 +0100 | [diff] [blame] | 1435 | seq_printf(m, " transfer %d.%dMB/s, offset %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1436 | speed / 1000, |
| 1437 | speed % 1000, |
| 1438 | data->Sync[id].SyncOffset |
| 1439 | ); |
| 1440 | } |
Rasmus Villemoes | f50332f | 2014-12-03 00:10:54 +0100 | [diff] [blame] | 1441 | seq_putc(m, '\n'); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1442 | } |
Al Viro | 63fd57c | 2013-03-31 02:14:18 -0400 | [diff] [blame] | 1443 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1445 | |
| 1446 | /*---------------------------------------------------------------*/ |
| 1447 | /* error handler */ |
| 1448 | /*---------------------------------------------------------------*/ |
| 1449 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1450 | /* |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 1451 | static int nsp_eh_abort(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1452 | { |
| 1453 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); |
| 1454 | |
| 1455 | return nsp_eh_bus_reset(SCpnt); |
| 1456 | }*/ |
| 1457 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1458 | static int nsp_bus_reset(nsp_hw_data *data) |
| 1459 | { |
| 1460 | unsigned int base = data->BaseAddress; |
| 1461 | int i; |
| 1462 | |
| 1463 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); |
| 1464 | |
| 1465 | nsp_index_write(base, SCSIBUSCTRL, SCSI_RST); |
| 1466 | mdelay(100); /* 100ms */ |
| 1467 | nsp_index_write(base, SCSIBUSCTRL, 0); |
| 1468 | for(i = 0; i < 5; i++) { |
| 1469 | nsp_index_read(base, IRQPHASESENCE); /* dummy read */ |
| 1470 | } |
| 1471 | |
| 1472 | nsphw_init_sync(data); |
| 1473 | |
| 1474 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); |
| 1475 | |
| 1476 | return SUCCESS; |
| 1477 | } |
| 1478 | |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 1479 | static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1480 | { |
| 1481 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 1482 | |
| 1483 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); |
| 1484 | |
| 1485 | return nsp_bus_reset(data); |
| 1486 | } |
| 1487 | |
Henrik Kretzschmar | 0fc82d5 | 2006-10-10 14:41:41 -0700 | [diff] [blame] | 1488 | static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1489 | { |
| 1490 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| 1491 | |
| 1492 | nsp_dbg(NSP_DEBUG_BUSRESET, "in"); |
| 1493 | |
| 1494 | nsphw_init(data); |
| 1495 | |
| 1496 | return SUCCESS; |
| 1497 | } |
| 1498 | |
| 1499 | |
| 1500 | /********************************************************************** |
| 1501 | PCMCIA functions |
| 1502 | **********************************************************************/ |
| 1503 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1504 | static int nsp_cs_probe(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1505 | { |
| 1506 | scsi_info_t *info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1507 | nsp_hw_data *data = &nsp_data_base; |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1508 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1509 | |
| 1510 | nsp_dbg(NSP_DEBUG_INIT, "in"); |
| 1511 | |
| 1512 | /* Create new SCSI device */ |
Yoann Padioleau | dd00cc4 | 2007-07-19 01:49:03 -0700 | [diff] [blame] | 1513 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 1514 | if (info == NULL) { return -ENOMEM; } |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 1515 | info->p_dev = link; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1516 | link->priv = info; |
| 1517 | data->ScsiInfo = info; |
| 1518 | |
| 1519 | nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info); |
| 1520 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1521 | ret = nsp_cs_config(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1522 | |
| 1523 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1524 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1525 | } /* nsp_cs_attach */ |
| 1526 | |
| 1527 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 1528 | static void nsp_cs_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1529 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1530 | nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link); |
| 1531 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 1532 | ((scsi_info_t *)link->priv)->stop = 1; |
| 1533 | nsp_cs_release(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1534 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1535 | kfree(link->priv); |
| 1536 | link->priv = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1537 | } /* nsp_cs_detach */ |
| 1538 | |
| 1539 | |
Dominik Brodowski | 00990e7 | 2010-07-30 13:13:46 +0200 | [diff] [blame] | 1540 | static int nsp_cs_config_check(struct pcmcia_device *p_dev, void *priv_data) |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1541 | { |
Dominik Brodowski | cdb1380 | 2010-07-28 10:59:06 +0200 | [diff] [blame] | 1542 | nsp_hw_data *data = priv_data; |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1543 | |
Dominik Brodowski | 00990e7 | 2010-07-30 13:13:46 +0200 | [diff] [blame] | 1544 | if (p_dev->config_index == 0) |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1545 | return -ENODEV; |
| 1546 | |
Dominik Brodowski | 00990e7 | 2010-07-30 13:13:46 +0200 | [diff] [blame] | 1547 | /* This reserves IO space but doesn't actually enable it */ |
| 1548 | if (pcmcia_request_io(p_dev) != 0) |
| 1549 | goto next_entry; |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1550 | |
Dominik Brodowski | 00990e7 | 2010-07-30 13:13:46 +0200 | [diff] [blame] | 1551 | if (resource_size(p_dev->resource[2])) { |
Dominik Brodowski | 440eed4 | 2010-07-30 09:51:52 +0200 | [diff] [blame] | 1552 | p_dev->resource[2]->flags |= (WIN_DATA_WIDTH_16 | |
| 1553 | WIN_MEMORY_TYPE_CM | |
| 1554 | WIN_ENABLE); |
Dominik Brodowski | 440eed4 | 2010-07-30 09:51:52 +0200 | [diff] [blame] | 1555 | if (p_dev->resource[2]->end < 0x1000) |
| 1556 | p_dev->resource[2]->end = 0x1000; |
| 1557 | if (pcmcia_request_window(p_dev, p_dev->resource[2], 0) != 0) |
| 1558 | goto next_entry; |
| 1559 | if (pcmcia_map_mem_page(p_dev, p_dev->resource[2], |
Dominik Brodowski | 00990e7 | 2010-07-30 13:13:46 +0200 | [diff] [blame] | 1560 | p_dev->card_addr) != 0) |
Dominik Brodowski | 440eed4 | 2010-07-30 09:51:52 +0200 | [diff] [blame] | 1561 | goto next_entry; |
| 1562 | |
| 1563 | data->MmioAddress = (unsigned long) |
| 1564 | ioremap_nocache(p_dev->resource[2]->start, |
| 1565 | resource_size(p_dev->resource[2])); |
| 1566 | data->MmioLength = resource_size(p_dev->resource[2]); |
| 1567 | } |
| 1568 | /* If we got this far, we're cool! */ |
| 1569 | return 0; |
| 1570 | |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1571 | next_entry: |
| 1572 | nsp_dbg(NSP_DEBUG_INIT, "next"); |
| 1573 | pcmcia_disable_device(p_dev); |
| 1574 | return -ENODEV; |
| 1575 | } |
| 1576 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1577 | static int nsp_cs_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1578 | { |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1579 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1580 | scsi_info_t *info = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1581 | struct Scsi_Host *host; |
| 1582 | nsp_hw_data *data = &nsp_data_base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1583 | |
| 1584 | nsp_dbg(NSP_DEBUG_INIT, "in"); |
| 1585 | |
Dominik Brodowski | 440eed4 | 2010-07-30 09:51:52 +0200 | [diff] [blame] | 1586 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC | |
Dominik Brodowski | 00990e7 | 2010-07-30 13:13:46 +0200 | [diff] [blame] | 1587 | CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IOMEM | |
| 1588 | CONF_AUTO_SET_IO; |
Dominik Brodowski | 440eed4 | 2010-07-30 09:51:52 +0200 | [diff] [blame] | 1589 | |
Dominik Brodowski | cdb1380 | 2010-07-28 10:59:06 +0200 | [diff] [blame] | 1590 | ret = pcmcia_loop_config(link, nsp_cs_config_check, data); |
Dan Carpenter | e794c01 | 2010-03-15 11:25:10 +0300 | [diff] [blame] | 1591 | if (ret) |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1592 | goto cs_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1593 | |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 1594 | if (pcmcia_request_irq(link, nspintr)) |
| 1595 | goto cs_failed; |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1596 | |
Dominik Brodowski | 1ac71e5 | 2010-07-29 19:27:09 +0200 | [diff] [blame] | 1597 | ret = pcmcia_enable_device(link); |
Dominik Brodowski | 0e6f9d2 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 1598 | if (ret) |
| 1599 | goto cs_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1600 | |
| 1601 | if (free_ports) { |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 1602 | if (link->resource[0]) { |
| 1603 | release_region(link->resource[0]->start, |
| 1604 | resource_size(link->resource[0])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1605 | } |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 1606 | if (link->resource[1]) { |
| 1607 | release_region(link->resource[1]->start, |
| 1608 | resource_size(link->resource[1])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1609 | } |
| 1610 | } |
| 1611 | |
| 1612 | /* Set port and IRQ */ |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 1613 | data->BaseAddress = link->resource[0]->start; |
| 1614 | data->NumAddress = resource_size(link->resource[0]); |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 1615 | data->IrqNumber = link->irq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1616 | |
| 1617 | nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", |
| 1618 | data->BaseAddress, data->NumAddress, data->IrqNumber); |
| 1619 | |
| 1620 | if(nsphw_init(data) == FALSE) { |
| 1621 | goto cs_failed; |
| 1622 | } |
| 1623 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1624 | host = nsp_detect(&nsp_driver_template); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1625 | |
| 1626 | if (host == NULL) { |
| 1627 | nsp_dbg(NSP_DEBUG_INIT, "detect failed"); |
| 1628 | goto cs_failed; |
| 1629 | } |
| 1630 | |
| 1631 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1632 | ret = scsi_add_host (host, NULL); |
| 1633 | if (ret) |
| 1634 | goto cs_failed; |
| 1635 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1636 | scsi_scan_host(host); |
| 1637 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1638 | info->host = host; |
| 1639 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1640 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1641 | |
| 1642 | cs_failed: |
| 1643 | nsp_dbg(NSP_DEBUG_INIT, "config fail"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1644 | nsp_cs_release(link); |
| 1645 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1646 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1647 | } /* nsp_cs_config */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1648 | |
| 1649 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 1650 | static void nsp_cs_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1651 | { |
| 1652 | scsi_info_t *info = link->priv; |
| 1653 | nsp_hw_data *data = NULL; |
| 1654 | |
| 1655 | if (info->host == NULL) { |
| 1656 | nsp_msg(KERN_DEBUG, "unexpected card release call."); |
| 1657 | } else { |
| 1658 | data = (nsp_hw_data *)info->host->hostdata; |
| 1659 | } |
| 1660 | |
| 1661 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); |
| 1662 | |
| 1663 | /* Unlink the device chain */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | if (info->host != NULL) { |
| 1665 | scsi_remove_host(info->host); |
| 1666 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1667 | |
Dominik Brodowski | cdb1380 | 2010-07-28 10:59:06 +0200 | [diff] [blame] | 1668 | if (resource_size(link->resource[2])) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1669 | if (data != NULL) { |
| 1670 | iounmap((void *)(data->MmioAddress)); |
| 1671 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1672 | } |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 1673 | pcmcia_disable_device(link); |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 1674 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1675 | if (info->host != NULL) { |
| 1676 | scsi_host_put(info->host); |
| 1677 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1678 | } /* nsp_cs_release */ |
| 1679 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 1680 | static int nsp_cs_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1681 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1682 | scsi_info_t *info = link->priv; |
| 1683 | nsp_hw_data *data; |
| 1684 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1685 | nsp_dbg(NSP_DEBUG_INIT, "event: suspend"); |
| 1686 | |
| 1687 | if (info->host != NULL) { |
| 1688 | nsp_msg(KERN_INFO, "clear SDTR status"); |
| 1689 | |
| 1690 | data = (nsp_hw_data *)info->host->hostdata; |
| 1691 | |
| 1692 | nsphw_init_sync(data); |
| 1693 | } |
| 1694 | |
| 1695 | info->stop = 1; |
| 1696 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1697 | return 0; |
| 1698 | } |
| 1699 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 1700 | static int nsp_cs_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1701 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1702 | scsi_info_t *info = link->priv; |
| 1703 | nsp_hw_data *data; |
| 1704 | |
| 1705 | nsp_dbg(NSP_DEBUG_INIT, "event: resume"); |
| 1706 | |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1707 | info->stop = 0; |
| 1708 | |
| 1709 | if (info->host != NULL) { |
| 1710 | nsp_msg(KERN_INFO, "reset host and bus"); |
| 1711 | |
| 1712 | data = (nsp_hw_data *)info->host->hostdata; |
| 1713 | |
| 1714 | nsphw_init (data); |
| 1715 | nsp_bus_reset(data); |
| 1716 | } |
| 1717 | |
| 1718 | return 0; |
| 1719 | } |
| 1720 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1721 | /*======================================================================* |
| 1722 | * module entry point |
| 1723 | *====================================================================*/ |
Joe Perches | 25f8f54 | 2011-05-03 19:29:01 -0700 | [diff] [blame] | 1724 | static const struct pcmcia_device_id nsp_cs_ids[] = { |
Dominik Brodowski | aba1410 | 2005-06-27 16:28:40 -0700 | [diff] [blame] | 1725 | PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a), |
| 1726 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a), |
| 1727 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a), |
| 1728 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a), |
| 1729 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a), |
| 1730 | PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e), |
| 1731 | PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a), |
| 1732 | PCMCIA_DEVICE_NULL |
| 1733 | }; |
| 1734 | MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids); |
| 1735 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1736 | static struct pcmcia_driver nsp_driver = { |
Dominik Brodowski | 1e212f3 | 2005-07-07 17:59:00 -0700 | [diff] [blame] | 1737 | .owner = THIS_MODULE, |
Dominik Brodowski | 2e9b981 | 2010-08-08 11:36:26 +0200 | [diff] [blame] | 1738 | .name = "nsp_cs", |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 1739 | .probe = nsp_cs_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 1740 | .remove = nsp_cs_detach, |
Dominik Brodowski | aba1410 | 2005-06-27 16:28:40 -0700 | [diff] [blame] | 1741 | .id_table = nsp_cs_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 1742 | .suspend = nsp_cs_suspend, |
| 1743 | .resume = nsp_cs_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1744 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1745 | |
| 1746 | static int __init nsp_cs_init(void) |
| 1747 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1748 | return pcmcia_register_driver(&nsp_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1749 | } |
| 1750 | |
| 1751 | static void __exit nsp_cs_exit(void) |
| 1752 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1753 | pcmcia_unregister_driver(&nsp_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1754 | } |
| 1755 | |
| 1756 | |
| 1757 | module_init(nsp_cs_init) |
| 1758 | module_exit(nsp_cs_exit) |
| 1759 | |
| 1760 | /* end */ |