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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-15 19:51:54 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-15 19:51:54 -0400
commitbc06cffdec85d487c77109dffcd2f285bdc502d3 (patch)
treeadc6e6398243da87e66c56102840597a329183a0 /drivers/scsi/a100u2w.c
parentd3502d7f25b22cfc9762bf1781faa9db1bb3be2e (diff)
parent9413d7b8aa777dd1fc7db9563ce5e80d769fe7b5 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (166 commits) [SCSI] ibmvscsi: convert to use the data buffer accessors [SCSI] dc395x: convert to use the data buffer accessors [SCSI] ncr53c8xx: convert to use the data buffer accessors [SCSI] sym53c8xx: convert to use the data buffer accessors [SCSI] ppa: coding police and printk levels [SCSI] aic7xxx_old: remove redundant GFP_ATOMIC from kmalloc [SCSI] i2o: remove redundant GFP_ATOMIC from kmalloc from device.c [SCSI] remove the dead CYBERSTORMIII_SCSI option [SCSI] don't build scsi_dma_{map,unmap} for !HAS_DMA [SCSI] Clean up scsi_add_lun a bit [SCSI] 53c700: Remove printk, which triggers because of low scsi clock on SNI RMs [SCSI] sni_53c710: Cleanup [SCSI] qla4xxx: Fix underrun/overrun conditions [SCSI] megaraid_mbox: use mutex instead of semaphore [SCSI] aacraid: add 51245, 51645 and 52245 adapters to documentation. [SCSI] qla2xxx: update version to 8.02.00-k1. [SCSI] qla2xxx: add support for NPIV [SCSI] stex: use resid for xfer len information [SCSI] Add Brownie 1200U3P to blacklist [SCSI] scsi.c: convert to use the data buffer accessors ...
Diffstat (limited to 'drivers/scsi/a100u2w.c')
-rw-r--r--drivers/scsi/a100u2w.c1239
1 files changed, 636 insertions, 603 deletions
diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c
index 7f4241bfb9c..f608d4a1d6d 100644
--- a/drivers/scsi/a100u2w.c
+++ b/drivers/scsi/a100u2w.c
@@ -19,27 +19,6 @@
19 * along with this program; see the file COPYING. If not, write to 19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 20 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 21 *
22 * --------------------------------------------------------------------------
23 *
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
26 * are met:
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions, and the following disclaimer,
29 * without modification, immediately at the beginning of the file.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. The name of the author may not be used to endorse or promote products
34 * derived from this software without specific prior written permission.
35 *
36 * Where this Software is combined with software released under the terms of
37 * the GNU General Public License ("GPL") and the terms of the GPL would require the
38 * combined work to also be released under the terms of the GPL, the terms
39 * and conditions of this License will apply in addition to those of the
40 * GPL with the exception of any terms or conditions of this License that
41 * conflict with, or are expressly prohibited by, the GPL.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -75,6 +54,8 @@
75 * 9/28/04 Christoph Hellwig <hch@lst.de> 54 * 9/28/04 Christoph Hellwig <hch@lst.de>
76 * - merge the two source files 55 * - merge the two source files
77 * - remove internal queueing code 56 * - remove internal queueing code
57 * 14/06/07 Alan Cox <alan@redhat.com>
58 * - Grand cleanup and Linuxisation
78 */ 59 */
79 60
80#include <linux/module.h> 61#include <linux/module.h>
@@ -102,14 +83,12 @@
102#include "a100u2w.h" 83#include "a100u2w.h"
103 84
104 85
105#define JIFFIES_TO_MS(t) ((t) * 1000 / HZ) 86static struct orc_scb *__orc_alloc_scb(struct orc_host * host);
106#define MS_TO_JIFFIES(j) ((j * HZ) / 1000) 87static void inia100_scb_handler(struct orc_host *host, struct orc_scb *scb);
107 88
108static ORC_SCB *orc_alloc_scb(ORC_HCS * hcsp); 89static struct orc_nvram nvram, *nvramp = &nvram;
109static void inia100SCBPost(BYTE * pHcb, BYTE * pScb);
110 90
111static NVRAM nvram, *nvramp = &nvram; 91static u8 default_nvram[64] =
112static UCHAR dftNvRam[64] =
113{ 92{
114/*----------header -------------*/ 93/*----------header -------------*/
115 0x01, /* 0x00: Sub System Vendor ID 0 */ 94 0x01, /* 0x00: Sub System Vendor ID 0 */
@@ -158,823 +137,882 @@ static UCHAR dftNvRam[64] =
158}; 137};
159 138
160 139
161/***************************************************************************/ 140static u8 wait_chip_ready(struct orc_host * host)
162static void waitForPause(unsigned amount)
163{
164 ULONG the_time = jiffies + MS_TO_JIFFIES(amount);
165 while (time_before_eq(jiffies, the_time))
166 cpu_relax();
167}
168
169/***************************************************************************/
170static UCHAR waitChipReady(ORC_HCS * hcsp)
171{ 141{
172 int i; 142 int i;
173 143
174 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ 144 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */
175 if (ORC_RD(hcsp->HCS_Base, ORC_HCTRL) & HOSTSTOP) /* Wait HOSTSTOP set */ 145 if (inb(host->base + ORC_HCTRL) & HOSTSTOP) /* Wait HOSTSTOP set */
176 return 1; 146 return 1;
177 waitForPause(100); /* wait 100ms before try again */ 147 mdelay(100);
178 } 148 }
179 return 0; 149 return 0;
180} 150}
181 151
182/***************************************************************************/ 152static u8 wait_firmware_ready(struct orc_host * host)
183static UCHAR waitFWReady(ORC_HCS * hcsp)
184{ 153{
185 int i; 154 int i;
186 155
187 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ 156 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */
188 if (ORC_RD(hcsp->HCS_Base, ORC_HSTUS) & RREADY) /* Wait READY set */ 157 if (inb(host->base + ORC_HSTUS) & RREADY) /* Wait READY set */
189 return 1; 158 return 1;
190 waitForPause(100); /* wait 100ms before try again */ 159 mdelay(100); /* wait 100ms before try again */
191 } 160 }
192 return 0; 161 return 0;
193} 162}
194 163
195/***************************************************************************/ 164/***************************************************************************/
196static UCHAR waitSCSIRSTdone(ORC_HCS * hcsp) 165static u8 wait_scsi_reset_done(struct orc_host * host)
197{ 166{
198 int i; 167 int i;
199 168
200 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ 169 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */
201 if (!(ORC_RD(hcsp->HCS_Base, ORC_HCTRL) & SCSIRST)) /* Wait SCSIRST done */ 170 if (!(inb(host->base + ORC_HCTRL) & SCSIRST)) /* Wait SCSIRST done */
202 return 1; 171 return 1;
203 waitForPause(100); /* wait 100ms before try again */ 172 mdelay(100); /* wait 100ms before try again */
204 } 173 }
205 return 0; 174 return 0;
206} 175}
207 176
208/***************************************************************************/ 177/***************************************************************************/
209static UCHAR waitHDOoff(ORC_HCS * hcsp) 178static u8 wait_HDO_off(struct orc_host * host)
210{ 179{
211 int i; 180 int i;
212 181
213 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ 182 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */
214 if (!(ORC_RD(hcsp->HCS_Base, ORC_HCTRL) & HDO)) /* Wait HDO off */ 183 if (!(inb(host->base + ORC_HCTRL) & HDO)) /* Wait HDO off */
215 return 1; 184 return 1;
216 waitForPause(100); /* wait 100ms before try again */ 185 mdelay(100); /* wait 100ms before try again */
217 } 186 }
218 return 0; 187 return 0;
219} 188}
220 189
221/***************************************************************************/ 190/***************************************************************************/
222static UCHAR waitHDIset(ORC_HCS * hcsp, UCHAR * pData) 191static u8 wait_hdi_set(struct orc_host * host, u8 * data)
223{ 192{
224 int i; 193 int i;
225 194
226 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */ 195 for (i = 0; i < 10; i++) { /* Wait 1 second for report timeout */
227 if ((*pData = ORC_RD(hcsp->HCS_Base, ORC_HSTUS)) & HDI) 196 if ((*data = inb(host->base + ORC_HSTUS)) & HDI)
228 return 1; /* Wait HDI set */ 197 return 1; /* Wait HDI set */
229 waitForPause(100); /* wait 100ms before try again */ 198 mdelay(100); /* wait 100ms before try again */
230 } 199 }
231 return 0; 200 return 0;
232} 201}
233 202
234/***************************************************************************/ 203/***************************************************************************/
235static unsigned short get_FW_version(ORC_HCS * hcsp) 204static unsigned short orc_read_fwrev(struct orc_host * host)
236{ 205{
237 UCHAR bData; 206 u16 version;
238 union { 207 u8 data;
239 unsigned short sVersion; 208
240 unsigned char cVersion[2]; 209 outb(ORC_CMD_VERSION, host->base + ORC_HDATA);
241 } Version; 210 outb(HDO, host->base + ORC_HCTRL);
242 211 if (wait_HDO_off(host) == 0) /* Wait HDO off */
243 ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_VERSION);
244 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO);
245 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */
246 return 0; 212 return 0;
247 213
248 if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ 214 if (wait_hdi_set(host, &data) == 0) /* Wait HDI set */
249 return 0; 215 return 0;
250 Version.cVersion[0] = ORC_RD(hcsp->HCS_Base, ORC_HDATA); 216 version = inb(host->base + ORC_HDATA);
251 ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ 217 outb(data, host->base + ORC_HSTUS); /* Clear HDI */
252 218
253 if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ 219 if (wait_hdi_set(host, &data) == 0) /* Wait HDI set */
254 return 0; 220 return 0;
255 Version.cVersion[1] = ORC_RD(hcsp->HCS_Base, ORC_HDATA); 221 version |= inb(host->base + ORC_HDATA) << 8;
256 ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ 222 outb(data, host->base + ORC_HSTUS); /* Clear HDI */
257 223
258 return (Version.sVersion); 224 return version;
259} 225}
260 226
261/***************************************************************************/ 227/***************************************************************************/
262static UCHAR set_NVRAM(ORC_HCS * hcsp, unsigned char address, unsigned char value) 228static u8 orc_nv_write(struct orc_host * host, unsigned char address, unsigned char value)
263{ 229{
264 ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_SET_NVM); /* Write command */ 230 outb(ORC_CMD_SET_NVM, host->base + ORC_HDATA); /* Write command */
265 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); 231 outb(HDO, host->base + ORC_HCTRL);
266 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ 232 if (wait_HDO_off(host) == 0) /* Wait HDO off */
267 return 0; 233 return 0;
268 234
269 ORC_WR(hcsp->HCS_Base + ORC_HDATA, address); /* Write address */ 235 outb(address, host->base + ORC_HDATA); /* Write address */
270 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); 236 outb(HDO, host->base + ORC_HCTRL);
271 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ 237 if (wait_HDO_off(host) == 0) /* Wait HDO off */
272 return 0; 238 return 0;
273 239
274 ORC_WR(hcsp->HCS_Base + ORC_HDATA, value); /* Write value */ 240 outb(value, host->base + ORC_HDATA); /* Write value */
275 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); 241 outb(HDO, host->base + ORC_HCTRL);
276 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ 242 if (wait_HDO_off(host) == 0) /* Wait HDO off */
277 return 0; 243 return 0;
278 244
279 return 1; 245 return 1;
280} 246}
281 247
282/***************************************************************************/ 248/***************************************************************************/
283static UCHAR get_NVRAM(ORC_HCS * hcsp, unsigned char address, unsigned char *pDataIn) 249static u8 orc_nv_read(struct orc_host * host, u8 address, u8 *ptr)
284{ 250{
285 unsigned char bData; 251 unsigned char data;
286 252
287 ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_GET_NVM); /* Write command */ 253 outb(ORC_CMD_GET_NVM, host->base + ORC_HDATA); /* Write command */
288 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); 254 outb(HDO, host->base + ORC_HCTRL);
289 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ 255 if (wait_HDO_off(host) == 0) /* Wait HDO off */
290 return 0; 256 return 0;
291 257
292 ORC_WR(hcsp->HCS_Base + ORC_HDATA, address); /* Write address */ 258 outb(address, host->base + ORC_HDATA); /* Write address */
293 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); 259 outb(HDO, host->base + ORC_HCTRL);
294 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ 260 if (wait_HDO_off(host) == 0) /* Wait HDO off */
295 return 0; 261 return 0;
296 262
297 if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ 263 if (wait_hdi_set(host, &data) == 0) /* Wait HDI set */
298 return 0; 264 return 0;
299 *pDataIn = ORC_RD(hcsp->HCS_Base, ORC_HDATA); 265 *ptr = inb(host->base + ORC_HDATA);
300 ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ 266 outb(data, host->base + ORC_HSTUS); /* Clear HDI */
301 267
302 return 1; 268 return 1;
269
303} 270}
304 271
305/***************************************************************************/ 272/**
306static void orc_exec_scb(ORC_HCS * hcsp, ORC_SCB * scbp) 273 * orc_exec_sb - Queue an SCB with the HA
274 * @host: host adapter the SCB belongs to
275 * @scb: SCB to queue for execution
276 */
277
278static void orc_exec_scb(struct orc_host * host, struct orc_scb * scb)
307{ 279{
308 scbp->SCB_Status = ORCSCB_POST; 280 scb->status = ORCSCB_POST;
309 ORC_WR(hcsp->HCS_Base + ORC_PQUEUE, scbp->SCB_ScbIdx); 281 outb(scb->scbidx, host->base + ORC_PQUEUE);
310 return;
311} 282}
312 283
313 284
314/*********************************************************************** 285/**
315 Read SCSI H/A configuration parameters from serial EEPROM 286 * se2_rd_all - read SCSI parameters from EEPROM
316************************************************************************/ 287 * @host: Host whose EEPROM is being loaded
317static int se2_rd_all(ORC_HCS * hcsp) 288 *
289 * Read SCSI H/A configuration parameters from serial EEPROM
290 */
291
292static int se2_rd_all(struct orc_host * host)
318{ 293{
319 int i; 294 int i;
320 UCHAR *np, chksum = 0; 295 u8 *np, chksum = 0;
321 296
322 np = (UCHAR *) nvramp; 297 np = (u8 *) nvramp;
323 for (i = 0; i < 64; i++, np++) { /* <01> */ 298 for (i = 0; i < 64; i++, np++) { /* <01> */
324 if (get_NVRAM(hcsp, (unsigned char) i, np) == 0) 299 if (orc_nv_read(host, (u8) i, np) == 0)
325 return -1; 300 return -1;
326// *np++ = get_NVRAM(hcsp, (unsigned char ) i);
327 } 301 }
328 302
329/*------ Is ckecksum ok ? ------*/ 303 /*------ Is ckecksum ok ? ------*/
330 np = (UCHAR *) nvramp; 304 np = (u8 *) nvramp;
331 for (i = 0; i < 63; i++) 305 for (i = 0; i < 63; i++)
332 chksum += *np++; 306 chksum += *np++;
333 307
334 if (nvramp->CheckSum != (UCHAR) chksum) 308 if (nvramp->CheckSum != (u8) chksum)
335 return -1; 309 return -1;
336 return 1; 310 return 1;
337} 311}
338 312
339/************************************************************************ 313/**
340 Update SCSI H/A configuration parameters from serial EEPROM 314 * se2_update_all - update the EEPROM
341*************************************************************************/ 315 * @host: Host whose EEPROM is being updated
342static void se2_update_all(ORC_HCS * hcsp) 316 *
317 * Update changed bytes in the EEPROM image.
318 */
319
320static void se2_update_all(struct orc_host * host)
343{ /* setup default pattern */ 321{ /* setup default pattern */
344 int i; 322 int i;
345 UCHAR *np, *np1, chksum = 0; 323 u8 *np, *np1, chksum = 0;
346 324
347 /* Calculate checksum first */ 325 /* Calculate checksum first */
348 np = (UCHAR *) dftNvRam; 326 np = (u8 *) default_nvram;
349 for (i = 0; i < 63; i++) 327 for (i = 0; i < 63; i++)
350 chksum += *np++; 328 chksum += *np++;
351 *np = chksum; 329 *np = chksum;
352 330
353 np = (UCHAR *) dftNvRam; 331 np = (u8 *) default_nvram;
354 np1 = (UCHAR *) nvramp; 332 np1 = (u8 *) nvramp;
355 for (i = 0; i < 64; i++, np++, np1++) { 333 for (i = 0; i < 64; i++, np++, np1++) {
356 if (*np != *np1) { 334 if (*np != *np1)
357 set_NVRAM(hcsp, (unsigned char) i, *np); 335 orc_nv_write(host, (u8) i, *np);
358 }
359 } 336 }
360 return;
361} 337}
362 338
363/************************************************************************* 339/**
364 Function name : read_eeprom 340 * read_eeprom - load EEPROM
365**************************************************************************/ 341 * @host: Host EEPROM to read
366static void read_eeprom(ORC_HCS * hcsp) 342 *
343 * Read the EEPROM for a given host. If it is invalid or fails
344 * the restore the defaults and use them.
345 */
346
347static void read_eeprom(struct orc_host * host)
367{ 348{
368 if (se2_rd_all(hcsp) != 1) { 349 if (se2_rd_all(host) != 1) {
369 se2_update_all(hcsp); /* setup default pattern */ 350 se2_update_all(host); /* setup default pattern */
370 se2_rd_all(hcsp); /* load again */ 351 se2_rd_all(host); /* load again */
371 } 352 }
372} 353}
373 354
374 355
375/***************************************************************************/ 356/**
376static UCHAR load_FW(ORC_HCS * hcsp) 357 * orc_load_firmware - initialise firmware
358 * @host: Host to set up
359 *
360 * Load the firmware from the EEPROM into controller SRAM. This
361 * is basically a 4K block copy and then a 4K block read to check
362 * correctness. The rest is convulted by the indirect interfaces
363 * in the hardware
364 */
365
366static u8 orc_load_firmware(struct orc_host * host)
377{ 367{
378 U32 dData; 368 u32 data32;
379 USHORT wBIOSAddress; 369 u16 bios_addr;
380 USHORT i; 370 u16 i;
381 UCHAR *pData, bData; 371 u8 *data32_ptr, data;
382 372
383 373
384 bData = ORC_RD(hcsp->HCS_Base, ORC_GCFG); 374 /* Set up the EEPROM for access */
385 ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData | EEPRG); /* Enable EEPROM programming */ 375
386 ORC_WR(hcsp->HCS_Base + ORC_EBIOSADR2, 0x00); 376 data = inb(host->base + ORC_GCFG);
387 ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x00); 377 outb(data | EEPRG, host->base + ORC_GCFG); /* Enable EEPROM programming */
388 if (ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA) != 0x55) { 378 outb(0x00, host->base + ORC_EBIOSADR2);
389 ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /* Disable EEPROM programming */ 379 outw(0x0000, host->base + ORC_EBIOSADR0);
380 if (inb(host->base + ORC_EBIOSDATA) != 0x55) {
381 outb(data, host->base + ORC_GCFG); /* Disable EEPROM programming */
390 return 0; 382 return 0;
391 } 383 }
392 ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x01); 384 outw(0x0001, host->base + ORC_EBIOSADR0);
393 if (ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA) != 0xAA) { 385 if (inb(host->base + ORC_EBIOSDATA) != 0xAA) {
394 ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /* Disable EEPROM programming */ 386 outb(data, host->base + ORC_GCFG); /* Disable EEPROM programming */
395 return 0; 387 return 0;
396 } 388 }
397 ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST | DOWNLOAD); /* Enable SRAM programming */ 389
398 pData = (UCHAR *) & dData; 390 outb(PRGMRST | DOWNLOAD, host->base + ORC_RISCCTL); /* Enable SRAM programming */
399 dData = 0; /* Initial FW address to 0 */ 391 data32_ptr = (u8 *) & data32;
400 ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x10); 392 data32 = 0; /* Initial FW address to 0 */
401 *pData = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ 393 outw(0x0010, host->base + ORC_EBIOSADR0);
402 ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x11); 394 *data32_ptr = inb(host->base + ORC_EBIOSDATA); /* Read from BIOS */
403 *(pData + 1) = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ 395 outw(0x0011, host->base + ORC_EBIOSADR0);
404 ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, 0x12); 396 *(data32_ptr + 1) = inb(host->base + ORC_EBIOSDATA); /* Read from BIOS */
405 *(pData + 2) = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ 397 outw(0x0012, host->base + ORC_EBIOSADR0);
406 ORC_WR(hcsp->HCS_Base + ORC_EBIOSADR2, *(pData + 2)); 398 *(data32_ptr + 2) = inb(host->base + ORC_EBIOSDATA); /* Read from BIOS */
407 ORC_WRLONG(hcsp->HCS_Base + ORC_FWBASEADR, dData); /* Write FW address */ 399 outw(*(data32_ptr + 2), host->base + ORC_EBIOSADR2);
408 400 outl(data32, host->base + ORC_FWBASEADR); /* Write FW address */
409 wBIOSAddress = (USHORT) dData; /* FW code locate at BIOS address + ? */ 401
410 for (i = 0, pData = (UCHAR *) & dData; /* Download the code */ 402 /* Copy the code from the BIOS to the SRAM */
403
404 bios_addr = (u16) data32; /* FW code locate at BIOS address + ? */
405 for (i = 0, data32_ptr = (u8 *) & data32; /* Download the code */
411 i < 0x1000; /* Firmware code size = 4K */ 406 i < 0x1000; /* Firmware code size = 4K */
412 i++, wBIOSAddress++) { 407 i++, bios_addr++) {
413 ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, wBIOSAddress); 408 outw(bios_addr, host->base + ORC_EBIOSADR0);
414 *pData++ = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ 409 *data32_ptr++ = inb(host->base + ORC_EBIOSDATA); /* Read from BIOS */
415 if ((i % 4) == 3) { 410 if ((i % 4) == 3) {
416 ORC_WRLONG(hcsp->HCS_Base + ORC_RISCRAM, dData); /* Write every 4 bytes */ 411 outl(data32, host->base + ORC_RISCRAM); /* Write every 4 bytes */
417 pData = (UCHAR *) & dData; 412 data32_ptr = (u8 *) & data32;
418 } 413 }
419 } 414 }
420 415
421 ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST | DOWNLOAD); /* Reset program count 0 */ 416 /* Go back and check they match */
422 wBIOSAddress -= 0x1000; /* Reset the BIOS adddress */ 417
423 for (i = 0, pData = (UCHAR *) & dData; /* Check the code */ 418 outb(PRGMRST | DOWNLOAD, host->base + ORC_RISCCTL); /* Reset program count 0 */
419 bios_addr -= 0x1000; /* Reset the BIOS adddress */
420 for (i = 0, data32_ptr = (u8 *) & data32; /* Check the code */
424 i < 0x1000; /* Firmware code size = 4K */ 421 i < 0x1000; /* Firmware code size = 4K */
425 i++, wBIOSAddress++) { 422 i++, bios_addr++) {
426 ORC_WRSHORT(hcsp->HCS_Base + ORC_EBIOSADR0, wBIOSAddress); 423 outw(bios_addr, host->base + ORC_EBIOSADR0);
427 *pData++ = ORC_RD(hcsp->HCS_Base, ORC_EBIOSDATA); /* Read from BIOS */ 424 *data32_ptr++ = inb(host->base + ORC_EBIOSDATA); /* Read from BIOS */
428 if ((i % 4) == 3) { 425 if ((i % 4) == 3) {
429 if (ORC_RDLONG(hcsp->HCS_Base, ORC_RISCRAM) != dData) { 426 if (inl(host->base + ORC_RISCRAM) != data32) {
430 ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST); /* Reset program to 0 */ 427 outb(PRGMRST, host->base + ORC_RISCCTL); /* Reset program to 0 */
431 ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /*Disable EEPROM programming */ 428 outb(data, host->base + ORC_GCFG); /*Disable EEPROM programming */
432 return 0; 429 return 0;
433 } 430 }
434 pData = (UCHAR *) & dData; 431 data32_ptr = (u8 *) & data32;
435 } 432 }
436 } 433 }
437 ORC_WR(hcsp->HCS_Base + ORC_RISCCTL, PRGMRST); /* Reset program to 0 */ 434
438 ORC_WR(hcsp->HCS_Base + ORC_GCFG, bData); /* Disable EEPROM programming */ 435 /* Success */
436 outb(PRGMRST, host->base + ORC_RISCCTL); /* Reset program to 0 */
437 outb(data, host->base + ORC_GCFG); /* Disable EEPROM programming */
439 return 1; 438 return 1;
440} 439}
441 440
442/***************************************************************************/ 441/***************************************************************************/
443static void setup_SCBs(ORC_HCS * hcsp) 442static void setup_SCBs(struct orc_host * host)
444{ 443{
445 ORC_SCB *pVirScb; 444 struct orc_scb *scb;
446 int i; 445 int i;
447 ESCB *pVirEscb; 446 struct orc_extended_scb *escb;
448 dma_addr_t pPhysEscb; 447 dma_addr_t escb_phys;
449 448
450 /* Setup SCB HCS_Base and SCB Size registers */ 449 /* Setup SCB base and SCB Size registers */
451 ORC_WR(hcsp->HCS_Base + ORC_SCBSIZE, ORC_MAXQUEUE); /* Total number of SCBs */ 450 outb(ORC_MAXQUEUE, host->base + ORC_SCBSIZE); /* Total number of SCBs */
452 /* SCB HCS_Base address 0 */ 451 /* SCB base address 0 */
453 ORC_WRLONG(hcsp->HCS_Base + ORC_SCBBASE0, hcsp->HCS_physScbArray); 452 outl(host->scb_phys, host->base + ORC_SCBBASE0);
454 /* SCB HCS_Base address 1 */ 453 /* SCB base address 1 */
455 ORC_WRLONG(hcsp->HCS_Base + ORC_SCBBASE1, hcsp->HCS_physScbArray); 454 outl(host->scb_phys, host->base + ORC_SCBBASE1);
456 455
457 /* setup scatter list address with one buffer */ 456 /* setup scatter list address with one buffer */
458 pVirScb = hcsp->HCS_virScbArray; 457 scb = host->scb_virt;
459 pVirEscb = hcsp->HCS_virEscbArray; 458 escb = host->escb_virt;
460 459
461 for (i = 0; i < ORC_MAXQUEUE; i++) { 460 for (i = 0; i < ORC_MAXQUEUE; i++) {
462 pPhysEscb = (hcsp->HCS_physEscbArray + (sizeof(ESCB) * i)); 461 escb_phys = (host->escb_phys + (sizeof(struct orc_extended_scb) * i));
463 pVirScb->SCB_SGPAddr = (U32) pPhysEscb; 462 scb->sg_addr = (u32) escb_phys;
464 pVirScb->SCB_SensePAddr = (U32) pPhysEscb; 463 scb->sense_addr = (u32) escb_phys;
465 pVirScb->SCB_EScb = pVirEscb; 464 scb->escb = escb;
466 pVirScb->SCB_ScbIdx = i; 465 scb->scbidx = i;
467 pVirScb++; 466 scb++;
468 pVirEscb++; 467 escb++;
469 } 468 }
470
471 return;
472} 469}
473 470
474/***************************************************************************/ 471/**
475static void initAFlag(ORC_HCS * hcsp) 472 * init_alloc_map - initialise allocation map
473 * @host: host map to configure
474 *
475 * Initialise the allocation maps for this device. If the device
476 * is not quiescent the caller must hold the allocation lock
477 */
478
479static void init_alloc_map(struct orc_host * host)
476{ 480{
477 UCHAR i, j; 481 u8 i, j;
478 482
479 for (i = 0; i < MAX_CHANNELS; i++) { 483 for (i = 0; i < MAX_CHANNELS; i++) {
480 for (j = 0; j < 8; j++) { 484 for (j = 0; j < 8; j++) {
481 hcsp->BitAllocFlag[i][j] = 0xffffffff; 485 host->allocation_map[i][j] = 0xffffffff;
482 } 486 }
483 } 487 }
484} 488}
485 489
486/***************************************************************************/ 490/**
487static int init_orchid(ORC_HCS * hcsp) 491 * init_orchid - initialise the host adapter
492 * @host:host adapter to initialise
493 *
494 * Initialise the controller and if neccessary load the firmware.
495 *
496 * Returns -1 if the initialisation fails.
497 */
498
499static int init_orchid(struct orc_host * host)
488{ 500{
489 UBYTE *readBytep; 501 u8 *ptr;
490 USHORT revision; 502 u16 revision;
491 UCHAR i; 503 u8 i;
492 504
493 initAFlag(hcsp); 505 init_alloc_map(host);
494 ORC_WR(hcsp->HCS_Base + ORC_GIMSK, 0xFF); /* Disable all interrupt */ 506 outb(0xFF, host->base + ORC_GIMSK); /* Disable all interrupts */
495 if (ORC_RD(hcsp->HCS_Base, ORC_HSTUS) & RREADY) { /* Orchid is ready */ 507
496 revision = get_FW_version(hcsp); 508 if (inb(host->base + ORC_HSTUS) & RREADY) { /* Orchid is ready */
509 revision = orc_read_fwrev(host);
497 if (revision == 0xFFFF) { 510 if (revision == 0xFFFF) {
498 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, DEVRST); /* Reset Host Adapter */ 511 outb(DEVRST, host->base + ORC_HCTRL); /* Reset Host Adapter */
499 if (waitChipReady(hcsp) == 0) 512 if (wait_chip_ready(host) == 0)
500 return (-1); 513 return -1;
501 load_FW(hcsp); /* Download FW */ 514 orc_load_firmware(host); /* Download FW */
502 setup_SCBs(hcsp); /* Setup SCB HCS_Base and SCB Size registers */ 515 setup_SCBs(host); /* Setup SCB base and SCB Size registers */
503 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, 0); /* clear HOSTSTOP */ 516 outb(0x00, host->base + ORC_HCTRL); /* clear HOSTSTOP */
504 if (waitFWReady(hcsp) == 0) 517 if (wait_firmware_ready(host) == 0)
505 return (-1); 518 return -1;
506 /* Wait for firmware ready */ 519 /* Wait for firmware ready */
507 } else { 520 } else {
508 setup_SCBs(hcsp); /* Setup SCB HCS_Base and SCB Size registers */ 521 setup_SCBs(host); /* Setup SCB base and SCB Size registers */
509 } 522 }
510 } else { /* Orchid is not Ready */ 523 } else { /* Orchid is not Ready */
511 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, DEVRST); /* Reset Host Adapter */ 524 outb(DEVRST, host->base + ORC_HCTRL); /* Reset Host Adapter */
512 if (waitChipReady(hcsp) == 0) 525 if (wait_chip_ready(host) == 0)
513 return (-1); 526 return -1;
514 load_FW(hcsp); /* Download FW */ 527 orc_load_firmware(host); /* Download FW */
515 setup_SCBs(hcsp); /* Setup SCB HCS_Base and SCB Size registers */ 528 setup_SCBs(host); /* Setup SCB base and SCB Size registers */
516 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); /* Do Hardware Reset & */ 529 outb(HDO, host->base + ORC_HCTRL); /* Do Hardware Reset & */
517 530
518 /* clear HOSTSTOP */ 531 /* clear HOSTSTOP */
519 if (waitFWReady(hcsp) == 0) /* Wait for firmware ready */ 532 if (wait_firmware_ready(host) == 0) /* Wait for firmware ready */
520 return (-1); 533 return -1;
521 } 534 }
522 535
523/*------------- get serial EEProm settting -------*/ 536 /* Load an EEProm copy into RAM */
524 537 /* Assumes single threaded at this point */
525 read_eeprom(hcsp); 538 read_eeprom(host);
526
527 if (nvramp->Revision != 1)
528 return (-1);
529 539
530 hcsp->HCS_SCSI_ID = nvramp->SCSI0Id; 540 if (nvramp->revision != 1)
531 hcsp->HCS_BIOS = nvramp->BIOSConfig1; 541 return -1;
532 hcsp->HCS_MaxTar = MAX_TARGETS;
533 readBytep = (UCHAR *) & (nvramp->Target00Config);
534 for (i = 0; i < 16; readBytep++, i++) {
535 hcsp->TargetFlag[i] = *readBytep;
536 hcsp->MaximumTags[i] = ORC_MAXTAGS;
537 } /* for */
538 542
539 if (nvramp->SCSI0Config & NCC_BUSRESET) { /* Reset SCSI bus */ 543 host->scsi_id = nvramp->scsi_id;
540 hcsp->HCS_Flags |= HCF_SCSI_RESET; 544 host->BIOScfg = nvramp->BIOSConfig1;
545 host->max_targets = MAX_TARGETS;
546 ptr = (u8 *) & (nvramp->Target00Config);
547 for (i = 0; i < 16; ptr++, i++) {
548 host->target_flag[i] = *ptr;
549 host->max_tags[i] = ORC_MAXTAGS;
541 } 550 }
542 ORC_WR(hcsp->HCS_Base + ORC_GIMSK, 0xFB); /* enable RP FIFO interrupt */ 551
543 return (0); 552 if (nvramp->SCSI0Config & NCC_BUSRESET)
553 host->flags |= HCF_SCSI_RESET;
554 outb(0xFB, host->base + ORC_GIMSK); /* enable RP FIFO interrupt */
555 return 0;
544} 556}
545 557
546/***************************************************************************** 558/**
547 Function name : orc_reset_scsi_bus 559 * orc_reset_scsi_bus - perform bus reset
548 Description : Reset registers, reset a hanging bus and 560 * @host: host being reset
549 kill active and disconnected commands for target w/o soft reset 561 *
550 Input : pHCB - Pointer to host adapter structure 562 * Perform a full bus reset on the adapter.
551 Output : None. 563 */
552 Return : pSRB - Pointer to SCSI request block. 564
553*****************************************************************************/ 565static int orc_reset_scsi_bus(struct orc_host * host)
554static int orc_reset_scsi_bus(ORC_HCS * pHCB)
555{ /* I need Host Control Block Information */ 566{ /* I need Host Control Block Information */
556 ULONG flags; 567 unsigned long flags;
557 568
558 spin_lock_irqsave(&(pHCB->BitAllocFlagLock), flags); 569 spin_lock_irqsave(&host->allocation_lock, flags);
559 570
560 initAFlag(pHCB); 571 init_alloc_map(host);
561 /* reset scsi bus */ 572 /* reset scsi bus */
562 ORC_WR(pHCB->HCS_Base + ORC_HCTRL, SCSIRST); 573 outb(SCSIRST, host->base + ORC_HCTRL);
563 if (waitSCSIRSTdone(pHCB) == 0) { 574 /* FIXME: We can spend up to a second with the lock held and
564 spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); 575 interrupts off here */
576 if (wait_scsi_reset_done(host) == 0) {
577 spin_unlock_irqrestore(&host->allocation_lock, flags);
565 return FAILED; 578 return FAILED;
566 } else { 579 } else {
567 spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); 580 spin_unlock_irqrestore(&host->allocation_lock, flags);
568 return SUCCESS; 581 return SUCCESS;
569 } 582 }
570} 583}
571 584
572/***************************************************************************** 585/**
573 Function name : orc_device_reset 586 * orc_device_reset - device reset handler
574 Description : Reset registers, reset a hanging bus and 587 * @host: host to reset
575 kill active and disconnected commands for target w/o soft reset 588 * @cmd: command causing the reset
576 Input : pHCB - Pointer to host adapter structure 589 * @target; target device
577 Output : None. 590 *
578 Return : pSRB - Pointer to SCSI request block. 591 * Reset registers, reset a hanging bus and kill active and disconnected
579*****************************************************************************/ 592 * commands for target w/o soft reset
580static int orc_device_reset(ORC_HCS * pHCB, struct scsi_cmnd *SCpnt, unsigned int target) 593 */
594
595static int orc_device_reset(struct orc_host * host, struct scsi_cmnd *cmd, unsigned int target)
581{ /* I need Host Control Block Information */ 596{ /* I need Host Control Block Information */
582 ORC_SCB *pScb; 597 struct orc_scb *scb;
583 ESCB *pVirEscb; 598 struct orc_extended_scb *escb;
584 ORC_SCB *pVirScb; 599 struct orc_scb *host_scb;
585 UCHAR i; 600 u8 i;
586 ULONG flags; 601 unsigned long flags;
587 602
588 spin_lock_irqsave(&(pHCB->BitAllocFlagLock), flags); 603 spin_lock_irqsave(&(host->allocation_lock), flags);
589 pScb = (ORC_SCB *) NULL; 604 scb = (struct orc_scb *) NULL;
590 pVirEscb = (ESCB *) NULL; 605 escb = (struct orc_extended_scb *) NULL;
591 606
592 /* setup scatter list address with one buffer */ 607 /* setup scatter list address with one buffer */
593 pVirScb = pHCB->HCS_virScbArray; 608 host_scb = host->scb_virt;
609
610 /* FIXME: is this safe if we then fail to issue the reset or race
611 a completion ? */
612 init_alloc_map(host);
594 613
595 initAFlag(pHCB); 614 /* Find the scb corresponding to the command */
596 /* device reset */
597 for (i = 0; i < ORC_MAXQUEUE; i++) { 615 for (i = 0; i < ORC_MAXQUEUE; i++) {
598 pVirEscb = pVirScb->SCB_EScb; 616 escb = host_scb->escb;
599 if ((pVirScb->SCB_Status) && (pVirEscb->SCB_Srb == SCpnt)) 617 if (host_scb->status && escb->srb == cmd)
600 break; 618 break;
601 pVirScb++; 619 host_scb++;
602 } 620 }
603 621
604 if (i == ORC_MAXQUEUE) { 622 if (i == ORC_MAXQUEUE) {
605 printk("Unable to Reset - No SCB Found\n"); 623 printk(KERN_ERR "Unable to Reset - No SCB Found\n");
606 spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); 624 spin_unlock_irqrestore(&(host->allocation_lock), flags);
607 return FAILED; 625 return FAILED;
608 } 626 }
609 if ((pScb = orc_alloc_scb(pHCB)) == NULL) { 627
610 spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); 628 /* Allocate a new SCB for the reset command to the firmware */
629 if ((scb = __orc_alloc_scb(host)) == NULL) {
630 /* Can't happen.. */
631 spin_unlock_irqrestore(&(host->allocation_lock), flags);
611 return FAILED; 632 return FAILED;
612 } 633 }
613 pScb->SCB_Opcode = ORC_BUSDEVRST; 634
614 pScb->SCB_Target = target; 635 /* Reset device is handled by the firmare, we fill in an SCB and
615 pScb->SCB_HaStat = 0; 636 fire it at the controller, it does the rest */
616 pScb->SCB_TaStat = 0; 637 scb->opcode = ORC_BUSDEVRST;
617 pScb->SCB_Status = 0x0; 638 scb->target = target;
618 pScb->SCB_Link = 0xFF; 639 scb->hastat = 0;
619 pScb->SCB_Reserved0 = 0; 640 scb->tastat = 0;
620 pScb->SCB_Reserved1 = 0; 641 scb->status = 0x0;
621 pScb->SCB_XferLen = 0; 642 scb->link = 0xFF;
622 pScb->SCB_SGLen = 0; 643 scb->reserved0 = 0;
623 644 scb->reserved1 = 0;
624 pVirEscb->SCB_Srb = NULL; 645 scb->xferlen = 0;
625 pVirEscb->SCB_Srb = SCpnt; 646 scb->sg_len = 0;
626 orc_exec_scb(pHCB, pScb); /* Start execute SCB */ 647
627 spin_unlock_irqrestore(&(pHCB->BitAllocFlagLock), flags); 648 escb->srb = NULL;
649 escb->srb = cmd;
650 orc_exec_scb(host, scb); /* Start execute SCB */
651 spin_unlock_irqrestore(&host->allocation_lock, flags);
628 return SUCCESS; 652 return SUCCESS;
629} 653}
630 654
655/**
656 * __orc_alloc_scb - allocate an SCB
657 * @host: host to allocate from
658 *
659 * Allocate an SCB and return a pointer to the SCB object. NULL
660 * is returned if no SCB is free. The caller must already hold
661 * the allocator lock at this point.
662 */
631 663
632/***************************************************************************/ 664
633static ORC_SCB *__orc_alloc_scb(ORC_HCS * hcsp) 665static struct orc_scb *__orc_alloc_scb(struct orc_host * host)
634{ 666{
635 ORC_SCB *pTmpScb; 667 u8 channel;
636 UCHAR Ch; 668 unsigned long idx;
637 ULONG idx; 669 u8 index;
638 UCHAR index; 670 u8 i;
639 UCHAR i;
640 671
641 Ch = hcsp->HCS_Index; 672 channel = host->index;
642 for (i = 0; i < 8; i++) { 673 for (i = 0; i < 8; i++) {
643 for (index = 0; index < 32; index++) { 674 for (index = 0; index < 32; index++) {
644 if ((hcsp->BitAllocFlag[Ch][i] >> index) & 0x01) { 675 if ((host->allocation_map[channel][i] >> index) & 0x01) {
645 hcsp->BitAllocFlag[Ch][i] &= ~(1 << index); 676 host->allocation_map[channel][i] &= ~(1 << index);
646 break; 677 break;
647 } 678 }
648 } 679 }
649 idx = index + 32 * i; 680 idx = index + 32 * i;
650 pTmpScb = (ORC_SCB *) ((ULONG) hcsp->HCS_virScbArray + (idx * sizeof(ORC_SCB))); 681 /* Translate the index to a structure instance */
651 return (pTmpScb); 682 return (struct orc_scb *) ((unsigned long) host->scb_virt + (idx * sizeof(struct orc_scb)));
652 } 683 }
653 return (NULL); 684 return NULL;
654} 685}
655 686
656static ORC_SCB *orc_alloc_scb(ORC_HCS * hcsp) 687/**
688 * orc_alloc_scb - allocate an SCB
689 * @host: host to allocate from
690 *
691 * Allocate an SCB and return a pointer to the SCB object. NULL
692 * is returned if no SCB is free.
693 */
694
695static struct orc_scb *orc_alloc_scb(struct orc_host * host)
657{ 696{
658 ORC_SCB *pTmpScb; 697 struct orc_scb *scb;
659 ULONG flags; 698 unsigned long flags;
660 699
661 spin_lock_irqsave(&(hcsp->BitAllocFlagLock), flags); 700 spin_lock_irqsave(&host->allocation_lock, flags);
662 pTmpScb = __orc_alloc_scb(hcsp); 701 scb = __orc_alloc_scb(host);
663 spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); 702 spin_unlock_irqrestore(&host->allocation_lock, flags);
664 return (pTmpScb); 703 return scb;
665} 704}
666 705
706/**
707 * orc_release_scb - release an SCB
708 * @host: host owning the SCB
709 * @scb: SCB that is now free
710 *
711 * Called to return a completed SCB to the allocation pool. Before
712 * calling the SCB must be out of use on both the host and the HA.
713 */
667 714
668/***************************************************************************/ 715static void orc_release_scb(struct orc_host *host, struct orc_scb *scb)
669static void orc_release_scb(ORC_HCS * hcsp, ORC_SCB * scbp)
670{ 716{
671 ULONG flags; 717 unsigned long flags;
672 UCHAR Index; 718 u8 index, i, channel;
673 UCHAR i; 719
674 UCHAR Ch; 720 spin_lock_irqsave(&(host->allocation_lock), flags);
675 721 channel = host->index; /* Channel */
676 spin_lock_irqsave(&(hcsp->BitAllocFlagLock), flags); 722 index = scb->scbidx;
677 Ch = hcsp->HCS_Index; 723 i = index / 32;
678 Index = scbp->SCB_ScbIdx; 724 index %= 32;
679 i = Index / 32; 725 host->allocation_map[channel][i] |= (1 << index);
680 Index %= 32; 726 spin_unlock_irqrestore(&(host->allocation_lock), flags);
681 hcsp->BitAllocFlag[Ch][i] |= (1 << Index);
682 spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags);
683} 727}
684 728
685/***************************************************************************** 729/**
686 Function name : abort_SCB 730 * orchid_abort_scb - abort a command
687 Description : Abort a queued command. 731 *
688 (commands that are on the bus can't be aborted easily) 732 * Abort a queued command that has been passed to the firmware layer
689 Input : pHCB - Pointer to host adapter structure 733 * if possible. This is all handled by the firmware. We aks the firmware
690 Output : None. 734 * and it either aborts the command or fails
691 Return : pSRB - Pointer to SCSI request block. 735 */
692*****************************************************************************/ 736
693static int abort_SCB(ORC_HCS * hcsp, ORC_SCB * pScb) 737static int orchid_abort_scb(struct orc_host * host, struct orc_scb * scb)
694{ 738{
695 unsigned char bData, bStatus; 739 unsigned char data, status;
696 740
697 ORC_WR(hcsp->HCS_Base + ORC_HDATA, ORC_CMD_ABORT_SCB); /* Write command */ 741 outb(ORC_CMD_ABORT_SCB, host->base + ORC_HDATA); /* Write command */
698 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); 742 outb(HDO, host->base + ORC_HCTRL);
699 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ 743 if (wait_HDO_off(host) == 0) /* Wait HDO off */
700 return 0; 744 return 0;
701 745
702 ORC_WR(hcsp->HCS_Base + ORC_HDATA, pScb->SCB_ScbIdx); /* Write address */ 746 outb(scb->scbidx, host->base + ORC_HDATA); /* Write address */
703 ORC_WR(hcsp->HCS_Base + ORC_HCTRL, HDO); 747 outb(HDO, host->base + ORC_HCTRL);
704 if (waitHDOoff(hcsp) == 0) /* Wait HDO off */ 748 if (wait_HDO_off(host) == 0) /* Wait HDO off */
705 return 0; 749 return 0;
706 750
707 if (waitHDIset(hcsp, &bData) == 0) /* Wait HDI set */ 751 if (wait_hdi_set(host, &data) == 0) /* Wait HDI set */
708 return 0; 752 return 0;
709 bStatus = ORC_RD(hcsp->HCS_Base, ORC_HDATA); 753 status = inb(host->base + ORC_HDATA);
710 ORC_WR(hcsp->HCS_Base + ORC_HSTUS, bData); /* Clear HDI */ 754 outb(data, host->base + ORC_HSTUS); /* Clear HDI */
711 755
712 if (bStatus == 1) /* 0 - Successfully */ 756 if (status == 1) /* 0 - Successfully */
713 return 0; /* 1 - Fail */ 757 return 0; /* 1 - Fail */
714 return 1; 758 return 1;
715} 759}
716 760
717/***************************************************************************** 761static int inia100_abort_cmd(struct orc_host * host, struct scsi_cmnd *cmd)
718 Function name : inia100_abort
719 Description : Abort a queued command.
720 (commands that are on the bus can't be aborted easily)
721 Input : pHCB - Pointer to host adapter structure
722 Output : None.
723 Return : pSRB - Pointer to SCSI request block.
724*****************************************************************************/
725static int orc_abort_srb(ORC_HCS * hcsp, struct scsi_cmnd *SCpnt)
726{ 762{
727 ESCB *pVirEscb; 763 struct orc_extended_scb *escb;
728 ORC_SCB *pVirScb; 764 struct orc_scb *scb;
729 UCHAR i; 765 u8 i;
730 ULONG flags; 766 unsigned long flags;
731 767
732 spin_lock_irqsave(&(hcsp->BitAllocFlagLock), flags); 768 spin_lock_irqsave(&(host->allocation_lock), flags);
733 769
734 pVirScb = hcsp->HCS_virScbArray; 770 scb = host->scb_virt;
735 771
736 for (i = 0; i < ORC_MAXQUEUE; i++, pVirScb++) { 772 /* Walk the queue until we find the SCB that belongs to the command
737 pVirEscb = pVirScb->SCB_EScb; 773 block. This isn't a performance critical path so a walk in the park
738 if ((pVirScb->SCB_Status) && (pVirEscb->SCB_Srb == SCpnt)) { 774 here does no harm */
739 if (pVirScb->SCB_TagMsg == 0) { 775
740 spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); 776 for (i = 0; i < ORC_MAXQUEUE; i++, scb++) {
741 return FAILED; 777 escb = scb->escb;
778 if (scb->status && escb->srb == cmd) {
779 if (scb->tag_msg == 0) {
780 goto out;
742 } else { 781 } else {
743 if (abort_SCB(hcsp, pVirScb)) { 782 /* Issue an ABORT to the firmware */
744 pVirEscb->SCB_Srb = NULL; 783 if (orchid_abort_scb(host, scb)) {
745 spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); 784 escb->srb = NULL;
785 spin_unlock_irqrestore(&host->allocation_lock, flags);
746 return SUCCESS; 786 return SUCCESS;
747 } else { 787 } else
748 spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); 788 goto out;
749 return FAILED;
750 }
751 } 789 }
752 } 790 }
753 } 791 }
754 spin_unlock_irqrestore(&(hcsp->BitAllocFlagLock), flags); 792out:
793 spin_unlock_irqrestore(&host->allocation_lock, flags);
755 return FAILED; 794 return FAILED;
756} 795}
757 796
758/*********************************************************************** 797/**
759 Routine Description: 798 * orc_interrupt - IRQ processing
760 This is the interrupt service routine for the Orchid SCSI adapter. 799 * @host: Host causing the interrupt
761 It reads the interrupt register to determine if the adapter is indeed 800 *
762 the source of the interrupt and clears the interrupt at the device. 801 * This function is called from the IRQ handler and protected
763 Arguments: 802 * by the host lock. While the controller reports that there are
764 HwDeviceExtension - HBA miniport driver's adapter data storage 803 * scb's for processing we pull them off the controller, turn the
765 Return Value: 804 * index into a host address pointer to the scb and call the scb
766***********************************************************************/ 805 * handler.
767static void orc_interrupt( 806 *
768 ORC_HCS * hcsp 807 * Returns IRQ_HANDLED if any SCBs were processed, IRQ_NONE otherwise
769) 808 */
809
810static irqreturn_t orc_interrupt(struct orc_host * host)
770{ 811{
771 BYTE bScbIdx; 812 u8 scb_index;
772 ORC_SCB *pScb; 813 struct orc_scb *scb;
773 814
774 if (ORC_RD(hcsp->HCS_Base, ORC_RQUEUECNT) == 0) { 815 /* Check if we have an SCB queued for servicing */
775 return; // 0; 816 if (inb(host->base + ORC_RQUEUECNT) == 0)
817 return IRQ_NONE;
776 818
777 }
778 do { 819 do {
779 bScbIdx = ORC_RD(hcsp->HCS_Base, ORC_RQUEUE); 820 /* Get the SCB index of the SCB to service */
780 821 scb_index = inb(host->base + ORC_RQUEUE);
781 pScb = (ORC_SCB *) ((ULONG) hcsp->HCS_virScbArray + (ULONG) (sizeof(ORC_SCB) * bScbIdx)); 822
782 pScb->SCB_Status = 0x0; 823 /* Translate it back to a host pointer */
783 824 scb = (struct orc_scb *) ((unsigned long) host->scb_virt + (unsigned long) (sizeof(struct orc_scb) * scb_index));
784 inia100SCBPost((BYTE *) hcsp, (BYTE *) pScb); 825 scb->status = 0x0;
785 } while (ORC_RD(hcsp->HCS_Base, ORC_RQUEUECNT)); 826 /* Process the SCB */
786 return; //1; 827 inia100_scb_handler(host, scb);
787 828 } while (inb(host->base + ORC_RQUEUECNT));
829 return IRQ_HANDLED;
788} /* End of I1060Interrupt() */ 830} /* End of I1060Interrupt() */
789 831
790/***************************************************************************** 832/**
791 Function name : inia100BuildSCB 833 * inia100_build_scb - build SCB
792 Description : 834 * @host: host owing the control block
793 Input : pHCB - Pointer to host adapter structure 835 * @scb: control block to use
794 Output : None. 836 * @cmd: Mid layer command
795 Return : pSRB - Pointer to SCSI request block. 837 *
796*****************************************************************************/ 838 * Build a host adapter control block from the SCSI mid layer command
797static void inia100BuildSCB(ORC_HCS * pHCB, ORC_SCB * pSCB, struct scsi_cmnd * SCpnt) 839 */
840
841static void inia100_build_scb(struct orc_host * host, struct orc_scb * scb, struct scsi_cmnd * cmd)
798{ /* Create corresponding SCB */ 842{ /* Create corresponding SCB */
799 struct scatterlist *pSrbSG; 843 struct scatterlist *sg;
800 ORC_SG *pSG; /* Pointer to SG list */ 844 struct orc_sgent *sgent; /* Pointer to SG list */
801 int i, count_sg; 845 int i, count_sg;
802 ESCB *pEScb; 846 struct orc_extended_scb *escb;
803 847
804 pEScb = pSCB->SCB_EScb; 848 /* Links between the escb, scb and Linux scsi midlayer cmd */
805 pEScb->SCB_Srb = SCpnt; 849 escb = scb->escb;
806 pSG = NULL; 850 escb->srb = cmd;
807 851 sgent = NULL;
808 pSCB->SCB_Opcode = ORC_EXECSCSI; 852
809 pSCB->SCB_Flags = SCF_NO_DCHK; /* Clear done bit */ 853 /* Set up the SCB to do a SCSI command block */
810 pSCB->SCB_Target = SCpnt->device->id; 854 scb->opcode = ORC_EXECSCSI;
811 pSCB->SCB_Lun = SCpnt->device->lun; 855 scb->flags = SCF_NO_DCHK; /* Clear done bit */
812 pSCB->SCB_Reserved0 = 0; 856 scb->target = cmd->device->id;
813 pSCB->SCB_Reserved1 = 0; 857 scb->lun = cmd->device->lun;
814 pSCB->SCB_SGLen = 0; 858 scb->reserved0 = 0;
815 859 scb->reserved1 = 0;
816 if ((pSCB->SCB_XferLen = (U32) SCpnt->request_bufflen)) { 860 scb->sg_len = 0;
817 pSG = (ORC_SG *) & pEScb->ESCB_SGList[0]; 861
818 if (SCpnt->use_sg) { 862 scb->xferlen = (u32) scsi_bufflen(cmd);
819 pSrbSG = (struct scatterlist *) SCpnt->request_buffer; 863 sgent = (struct orc_sgent *) & escb->sglist[0];
820 count_sg = pci_map_sg(pHCB->pdev, pSrbSG, SCpnt->use_sg, 864
821 SCpnt->sc_data_direction); 865 count_sg = scsi_dma_map(cmd);
822 pSCB->SCB_SGLen = (U32) (count_sg * 8); 866 BUG_ON(count_sg < 0);
823 for (i = 0; i < count_sg; i++, pSG++, pSrbSG++) { 867
824 pSG->SG_Ptr = (U32) sg_dma_address(pSrbSG); 868 /* Build the scatter gather lists */
825 pSG->SG_Len = (U32) sg_dma_len(pSrbSG); 869 if (count_sg) {
826 } 870 scb->sg_len = (u32) (count_sg * 8);
827 } else if (SCpnt->request_bufflen != 0) {/* Non SG */ 871 scsi_for_each_sg(cmd, sg, count_sg, i) {
828 pSCB->SCB_SGLen = 0x8; 872 sgent->base = (u32) sg_dma_address(sg);
829 SCpnt->SCp.dma_handle = pci_map_single(pHCB->pdev, 873 sgent->length = (u32) sg_dma_len(sg);
830 SCpnt->request_buffer, 874 sgent++;
831 SCpnt->request_bufflen,
832 SCpnt->sc_data_direction);
833 pSG->SG_Ptr = (U32) SCpnt->SCp.dma_handle;
834 pSG->SG_Len = (U32) SCpnt->request_bufflen;
835 } else {
836 pSCB->SCB_SGLen = 0;
837 pSG->SG_Ptr = 0;
838 pSG->SG_Len = 0;
839 } 875 }
876 } else {
877 scb->sg_len = 0;
878 sgent->base = 0;
879 sgent->length = 0;
840 } 880 }
841 pSCB->SCB_SGPAddr = (U32) pSCB->SCB_SensePAddr; 881 scb->sg_addr = (u32) scb->sense_addr;
842 pSCB->SCB_HaStat = 0; 882 scb->hastat = 0;
843 pSCB->SCB_TaStat = 0; 883 scb->tastat = 0;
844 pSCB->SCB_Link = 0xFF; 884 scb->link = 0xFF;
845 pSCB->SCB_SenseLen = SENSE_SIZE; 885 scb->sense_len = SENSE_SIZE;
846 pSCB->SCB_CDBLen = SCpnt->cmd_len; 886 scb->cdb_len = cmd->cmd_len;
847 if (pSCB->SCB_CDBLen >= IMAX_CDB) { 887 if (scb->cdb_len >= IMAX_CDB) {
848 printk("max cdb length= %x\b", SCpnt->cmd_len); 888 printk("max cdb length= %x\b", cmd->cmd_len);
849 pSCB->SCB_CDBLen = IMAX_CDB; 889 scb->cdb_len = IMAX_CDB;
850 } 890 }
851 pSCB->SCB_Ident = SCpnt->device->lun | DISC_ALLOW; 891 scb->ident = cmd->device->lun | DISC_ALLOW;
852 if (SCpnt->device->tagged_supported) { /* Tag Support */ 892 if (cmd->device->tagged_supported) { /* Tag Support */
853 pSCB->SCB_TagMsg = SIMPLE_QUEUE_TAG; /* Do simple tag only */ 893 scb->tag_msg = SIMPLE_QUEUE_TAG; /* Do simple tag only */
854 } else { 894 } else {
855 pSCB->SCB_TagMsg = 0; /* No tag support */ 895 scb->tag_msg = 0; /* No tag support */
856 } 896 }
857 memcpy(&pSCB->SCB_CDB[0], &SCpnt->cmnd, pSCB->SCB_CDBLen); 897 memcpy(&scb->cdb[0], &cmd->cmnd, scb->cdb_len);
858 return;
859} 898}
860 899
861/***************************************************************************** 900/**
862 Function name : inia100_queue 901 * inia100_queue - queue command with host
863 Description : Queue a command and setup interrupts for a free bus. 902 * @cmd: Command block
864 Input : pHCB - Pointer to host adapter structure 903 * @done: Completion function
865 Output : None. 904 *
866 Return : pSRB - Pointer to SCSI request block. 905 * Called by the mid layer to queue a command. Process the command
867*****************************************************************************/ 906 * block, build the host specific scb structures and if there is room
868static int inia100_queue(struct scsi_cmnd * SCpnt, void (*done) (struct scsi_cmnd *)) 907 * queue the command down to the controller
908 */
909
910static int inia100_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
869{ 911{
870 register ORC_SCB *pSCB; 912 struct orc_scb *scb;
871 ORC_HCS *pHCB; /* Point to Host adapter control block */ 913 struct orc_host *host; /* Point to Host adapter control block */
872 914
873 pHCB = (ORC_HCS *) SCpnt->device->host->hostdata; 915 host = (struct orc_host *) cmd->device->host->hostdata;
874 SCpnt->scsi_done = done; 916 cmd->scsi_done = done;
875 /* Get free SCSI control block */ 917 /* Get free SCSI control block */
876 if ((pSCB = orc_alloc_scb(pHCB)) == NULL) 918 if ((scb = orc_alloc_scb(host)) == NULL)
877 return SCSI_MLQUEUE_HOST_BUSY; 919 return SCSI_MLQUEUE_HOST_BUSY;
878 920
879 inia100BuildSCB(pHCB, pSCB, SCpnt); 921 inia100_build_scb(host, scb, cmd);
880 orc_exec_scb(pHCB, pSCB); /* Start execute SCB */ 922 orc_exec_scb(host, scb); /* Start execute SCB */
881 923 return 0;
882 return (0);
883} 924}
884 925
885/***************************************************************************** 926/*****************************************************************************
886 Function name : inia100_abort 927 Function name : inia100_abort
887 Description : Abort a queued command. 928 Description : Abort a queued command.
888 (commands that are on the bus can't be aborted easily) 929 (commands that are on the bus can't be aborted easily)
889 Input : pHCB - Pointer to host adapter structure 930 Input : host - Pointer to host adapter structure
890 Output : None. 931 Output : None.
891 Return : pSRB - Pointer to SCSI request block. 932 Return : pSRB - Pointer to SCSI request block.
892*****************************************************************************/ 933*****************************************************************************/
893static int inia100_abort(struct scsi_cmnd * SCpnt) 934static int inia100_abort(struct scsi_cmnd * cmd)
894{ 935{
895 ORC_HCS *hcsp; 936 struct orc_host *host;
896 937
897 hcsp = (ORC_HCS *) SCpnt->device->host->hostdata; 938 host = (struct orc_host *) cmd->device->host->hostdata;
898 return orc_abort_srb(hcsp, SCpnt); 939 return inia100_abort_cmd(host, cmd);
899} 940}
900 941
901/***************************************************************************** 942/*****************************************************************************
902 Function name : inia100_reset 943 Function name : inia100_reset
903 Description : Reset registers, reset a hanging bus and 944 Description : Reset registers, reset a hanging bus and
904 kill active and disconnected commands for target w/o soft reset 945 kill active and disconnected commands for target w/o soft reset
905 Input : pHCB - Pointer to host adapter structure 946 Input : host - Pointer to host adapter structure
906 Output : None. 947 Output : None.
907 Return : pSRB - Pointer to SCSI request block. 948 Return : pSRB - Pointer to SCSI request block.
908*****************************************************************************/ 949*****************************************************************************/
909static int inia100_bus_reset(struct scsi_cmnd * SCpnt) 950static int inia100_bus_reset(struct scsi_cmnd * cmd)
910{ /* I need Host Control Block Information */ 951{ /* I need Host Control Block Information */
911 ORC_HCS *pHCB; 952 struct orc_host *host;
912 pHCB = (ORC_HCS *) SCpnt->device->host->hostdata; 953 host = (struct orc_host *) cmd->device->host->hostdata;
913 return orc_reset_scsi_bus(pHCB); 954 return orc_reset_scsi_bus(host);
914} 955}
915 956
916/***************************************************************************** 957/*****************************************************************************
917 Function name : inia100_device_reset 958 Function name : inia100_device_reset
918 Description : Reset the device 959 Description : Reset the device
919 Input : pHCB - Pointer to host adapter structure 960 Input : host - Pointer to host adapter structure
920 Output : None. 961 Output : None.
921 Return : pSRB - Pointer to SCSI request block. 962 Return : pSRB - Pointer to SCSI request block.
922*****************************************************************************/ 963*****************************************************************************/
923static int inia100_device_reset(struct scsi_cmnd * SCpnt) 964static int inia100_device_reset(struct scsi_cmnd * cmd)
924{ /* I need Host Control Block Information */ 965{ /* I need Host Control Block Information */
925 ORC_HCS *pHCB; 966 struct orc_host *host;
926 pHCB = (ORC_HCS *) SCpnt->device->host->hostdata; 967 host = (struct orc_host *) cmd->device->host->hostdata;
927 return orc_device_reset(pHCB, SCpnt, scmd_id(SCpnt)); 968 return orc_device_reset(host, cmd, scmd_id(cmd));
928 969
929} 970}
930 971
931/***************************************************************************** 972/**
932 Function name : inia100SCBPost 973 * inia100_scb_handler - interrupt callback
933 Description : This is callback routine be called when orc finish one 974 * @host: Host causing the interrupt
934 SCSI command. 975 * @scb: SCB the controller returned as needing processing
935 Input : pHCB - Pointer to host adapter control block. 976 *
936 pSCB - Pointer to SCSI control block. 977 * Perform completion processing on a control block. Do the conversions
937 Output : None. 978 * from host to SCSI midlayer error coding, save any sense data and
938 Return : None. 979 * the complete with the midlayer and recycle the scb.
939*****************************************************************************/ 980 */
940static void inia100SCBPost(BYTE * pHcb, BYTE * pScb) 981
982static void inia100_scb_handler(struct orc_host *host, struct orc_scb *scb)
941{ 983{
942 struct scsi_cmnd *pSRB; /* Pointer to SCSI request block */ 984 struct scsi_cmnd *cmd; /* Pointer to SCSI request block */
943 ORC_HCS *pHCB; 985 struct orc_extended_scb *escb;
944 ORC_SCB *pSCB; 986
945 ESCB *pEScb; 987 escb = scb->escb;
946 988 if ((cmd = (struct scsi_cmnd *) escb->srb) == NULL) {
947 pHCB = (ORC_HCS *) pHcb; 989 printk(KERN_ERR "inia100_scb_handler: SRB pointer is empty\n");
948 pSCB = (ORC_SCB *) pScb; 990 orc_release_scb(host, scb); /* Release SCB for current channel */
949 pEScb = pSCB->SCB_EScb;
950 if ((pSRB = (struct scsi_cmnd *) pEScb->SCB_Srb) == 0) {
951 printk("inia100SCBPost: SRB pointer is empty\n");
952 orc_release_scb(pHCB, pSCB); /* Release SCB for current channel */
953 return; 991 return;
954 } 992 }
955 pEScb->SCB_Srb = NULL; 993 escb->srb = NULL;
956 994
957 switch (pSCB->SCB_HaStat) { 995 switch (scb->hastat) {
958 case 0x0: 996 case 0x0:
959 case 0xa: /* Linked command complete without error and linked normally */ 997 case 0xa: /* Linked command complete without error and linked normally */
960 case 0xb: /* Linked command complete without error interrupt generated */ 998 case 0xb: /* Linked command complete without error interrupt generated */
961 pSCB->SCB_HaStat = 0; 999 scb->hastat = 0;
962 break; 1000 break;
963 1001
964 case 0x11: /* Selection time out-The initiator selection or target 1002 case 0x11: /* Selection time out-The initiator selection or target
965 reselection was not complete within the SCSI Time out period */ 1003 reselection was not complete within the SCSI Time out period */
966 pSCB->SCB_HaStat = DID_TIME_OUT; 1004 scb->hastat = DID_TIME_OUT;
967 break; 1005 break;
968 1006
969 case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus 1007 case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus
970 phase sequence was requested by the target. The host adapter 1008 phase sequence was requested by the target. The host adapter
971 will generate a SCSI Reset Condition, notifying the host with 1009 will generate a SCSI Reset Condition, notifying the host with
972 a SCRD interrupt */ 1010 a SCRD interrupt */
973 pSCB->SCB_HaStat = DID_RESET; 1011 scb->hastat = DID_RESET;
974 break; 1012 break;
975 1013
976 case 0x1a: /* SCB Aborted. 07/21/98 */ 1014 case 0x1a: /* SCB Aborted. 07/21/98 */
977 pSCB->SCB_HaStat = DID_ABORT; 1015 scb->hastat = DID_ABORT;
978 break; 1016 break;
979 1017
980 case 0x12: /* Data overrun/underrun-The target attempted to transfer more data 1018 case 0x12: /* Data overrun/underrun-The target attempted to transfer more data
@@ -984,46 +1022,41 @@ static void inia100SCBPost(BYTE * pHcb, BYTE * pScb)
984 case 0x16: /* Invalid CCB Operation Code-The first byte of the CCB was invalid. */ 1022 case 0x16: /* Invalid CCB Operation Code-The first byte of the CCB was invalid. */
985 1023
986 default: 1024 default:
987 printk("inia100: %x %x\n", pSCB->SCB_HaStat, pSCB->SCB_TaStat); 1025 printk(KERN_DEBUG "inia100: %x %x\n", scb->hastat, scb->tastat);
988 pSCB->SCB_HaStat = DID_ERROR; /* Couldn't find any better */ 1026 scb->hastat = DID_ERROR; /* Couldn't find any better */
989 break; 1027 break;
990 } 1028 }
991 1029
992 if (pSCB->SCB_TaStat == 2) { /* Check condition */ 1030 if (scb->tastat == 2) { /* Check condition */
993 memcpy((unsigned char *) &pSRB->sense_buffer[0], 1031 memcpy((unsigned char *) &cmd->sense_buffer[0],
994 (unsigned char *) &pEScb->ESCB_SGList[0], SENSE_SIZE); 1032 (unsigned char *) &escb->sglist[0], SENSE_SIZE);
995 } 1033 }
996 pSRB->result = pSCB->SCB_TaStat | (pSCB->SCB_HaStat << 16); 1034 cmd->result = scb->tastat | (scb->hastat << 16);
997 1035 scsi_dma_unmap(cmd);
998 if (pSRB->use_sg) { 1036 cmd->scsi_done(cmd); /* Notify system DONE */
999 pci_unmap_sg(pHCB->pdev, 1037 orc_release_scb(host, scb); /* Release SCB for current channel */
1000 (struct scatterlist *)pSRB->request_buffer,
1001 pSRB->use_sg, pSRB->sc_data_direction);
1002 } else if (pSRB->request_bufflen != 0) {
1003 pci_unmap_single(pHCB->pdev, pSRB->SCp.dma_handle,
1004 pSRB->request_bufflen,
1005 pSRB->sc_data_direction);
1006 }
1007
1008 pSRB->scsi_done(pSRB); /* Notify system DONE */
1009
1010 orc_release_scb(pHCB, pSCB); /* Release SCB for current channel */
1011} 1038}
1012 1039
1013/* 1040/**
1014 * Interrupt handler (main routine of the driver) 1041 * inia100_intr - interrupt handler
1042 * @irqno: Interrupt value
1043 * @devid: Host adapter
1044 *
1045 * Entry point for IRQ handling. All the real work is performed
1046 * by orc_interrupt.
1015 */ 1047 */
1016static irqreturn_t inia100_intr(int irqno, void *devid) 1048static irqreturn_t inia100_intr(int irqno, void *devid)
1017{ 1049{
1018 struct Scsi_Host *host = (struct Scsi_Host *)devid; 1050 struct Scsi_Host *shost = (struct Scsi_Host *)devid;
1019 ORC_HCS *pHcb = (ORC_HCS *)host->hostdata; 1051 struct orc_host *host = (struct orc_host *)shost->hostdata;
1020 unsigned long flags; 1052 unsigned long flags;
1053 irqreturn_t res;
1021 1054
1022 spin_lock_irqsave(host->host_lock, flags); 1055 spin_lock_irqsave(shost->host_lock, flags);
1023 orc_interrupt(pHcb); 1056 res = orc_interrupt(host);
1024 spin_unlock_irqrestore(host->host_lock, flags); 1057 spin_unlock_irqrestore(shost->host_lock, flags);
1025 1058
1026 return IRQ_HANDLED; 1059 return res;
1027} 1060}
1028 1061
1029static struct scsi_host_template inia100_template = { 1062static struct scsi_host_template inia100_template = {
@@ -1044,12 +1077,12 @@ static int __devinit inia100_probe_one(struct pci_dev *pdev,
1044 const struct pci_device_id *id) 1077 const struct pci_device_id *id)
1045{ 1078{
1046 struct Scsi_Host *shost; 1079 struct Scsi_Host *shost;
1047 ORC_HCS *pHCB; 1080 struct orc_host *host;
1048 unsigned long port, bios; 1081 unsigned long port, bios;
1049 int error = -ENODEV; 1082 int error = -ENODEV;
1050 u32 sz; 1083 u32 sz;
1051 unsigned long dBiosAdr; 1084 unsigned long biosaddr;
1052 char *pbBiosAdr; 1085 char *bios_phys;
1053 1086
1054 if (pci_enable_device(pdev)) 1087 if (pci_enable_device(pdev))
1055 goto out; 1088 goto out;
@@ -1068,55 +1101,55 @@ static int __devinit inia100_probe_one(struct pci_dev *pdev,
1068 } 1101 }
1069 1102
1070 /* <02> read from base address + 0x50 offset to get the bios value. */ 1103 /* <02> read from base address + 0x50 offset to get the bios value. */
1071 bios = ORC_RDWORD(port, 0x50); 1104 bios = inw(port + 0x50);
1072 1105
1073 1106
1074 shost = scsi_host_alloc(&inia100_template, sizeof(ORC_HCS)); 1107 shost = scsi_host_alloc(&inia100_template, sizeof(struct orc_host));
1075 if (!shost) 1108 if (!shost)
1076 goto out_release_region; 1109 goto out_release_region;
1077 1110
1078 pHCB = (ORC_HCS *)shost->hostdata; 1111 host = (struct orc_host *)shost->hostdata;
1079 pHCB->pdev = pdev; 1112 host->pdev = pdev;
1080 pHCB->HCS_Base = port; 1113 host->base = port;
1081 pHCB->HCS_BIOS = bios; 1114 host->BIOScfg = bios;
1082 spin_lock_init(&pHCB->BitAllocFlagLock); 1115 spin_lock_init(&host->allocation_lock);
1083 1116
1084 /* Get total memory needed for SCB */ 1117 /* Get total memory needed for SCB */
1085 sz = ORC_MAXQUEUE * sizeof(ORC_SCB); 1118 sz = ORC_MAXQUEUE * sizeof(struct orc_scb);
1086 pHCB->HCS_virScbArray = pci_alloc_consistent(pdev, sz, 1119 host->scb_virt = pci_alloc_consistent(pdev, sz,
1087 &pHCB->HCS_physScbArray); 1120 &host->scb_phys);
1088 if (!pHCB->HCS_virScbArray) { 1121 if (!host->scb_virt) {
1089 printk("inia100: SCB memory allocation error\n"); 1122 printk("inia100: SCB memory allocation error\n");
1090 goto out_host_put; 1123 goto out_host_put;
1091 } 1124 }
1092 memset(pHCB->HCS_virScbArray, 0, sz); 1125 memset(host->scb_virt, 0, sz);
1093 1126
1094 /* Get total memory needed for ESCB */ 1127 /* Get total memory needed for ESCB */
1095 sz = ORC_MAXQUEUE * sizeof(ESCB); 1128 sz = ORC_MAXQUEUE * sizeof(struct orc_extended_scb);
1096 pHCB->HCS_virEscbArray = pci_alloc_consistent(pdev, sz, 1129 host->escb_virt = pci_alloc_consistent(pdev, sz,
1097 &pHCB->HCS_physEscbArray); 1130 &host->escb_phys);
1098 if (!pHCB->HCS_virEscbArray) { 1131 if (!host->escb_virt) {
1099 printk("inia100: ESCB memory allocation error\n"); 1132 printk("inia100: ESCB memory allocation error\n");
1100 goto out_free_scb_array; 1133 goto out_free_scb_array;
1101 } 1134 }
1102 memset(pHCB->HCS_virEscbArray, 0, sz); 1135 memset(host->escb_virt, 0, sz);
1103 1136
1104 dBiosAdr = pHCB->HCS_BIOS; 1137 biosaddr = host->BIOScfg;
1105 dBiosAdr = (dBiosAdr << 4); 1138 biosaddr = (biosaddr << 4);
1106 pbBiosAdr = phys_to_virt(dBiosAdr); 1139 bios_phys = phys_to_virt(biosaddr);
1107 if (init_orchid(pHCB)) { /* Initialize orchid chip */ 1140 if (init_orchid(host)) { /* Initialize orchid chip */
1108 printk("inia100: initial orchid fail!!\n"); 1141 printk("inia100: initial orchid fail!!\n");
1109 goto out_free_escb_array; 1142 goto out_free_escb_array;
1110 } 1143 }
1111 1144
1112 shost->io_port = pHCB->HCS_Base; 1145 shost->io_port = host->base;
1113 shost->n_io_port = 0xff; 1146 shost->n_io_port = 0xff;
1114 shost->can_queue = ORC_MAXQUEUE; 1147 shost->can_queue = ORC_MAXQUEUE;
1115 shost->unique_id = shost->io_port; 1148 shost->unique_id = shost->io_port;
1116 shost->max_id = pHCB->HCS_MaxTar; 1149 shost->max_id = host->max_targets;
1117 shost->max_lun = 16; 1150 shost->max_lun = 16;
1118 shost->irq = pHCB->HCS_Intr = pdev->irq; 1151 shost->irq = pdev->irq;
1119 shost->this_id = pHCB->HCS_SCSI_ID; /* Assign HCS index */ 1152 shost->this_id = host->scsi_id; /* Assign HCS index */
1120 shost->sg_tablesize = TOTAL_SG_ENTRY; 1153 shost->sg_tablesize = TOTAL_SG_ENTRY;
1121 1154
1122 /* Initial orc chip */ 1155 /* Initial orc chip */
@@ -1137,36 +1170,36 @@ static int __devinit inia100_probe_one(struct pci_dev *pdev,
1137 scsi_scan_host(shost); 1170 scsi_scan_host(shost);
1138 return 0; 1171 return 0;
1139 1172
1140 out_free_irq: 1173out_free_irq:
1141 free_irq(shost->irq, shost); 1174 free_irq(shost->irq, shost);
1142 out_free_escb_array: 1175out_free_escb_array:
1143 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ESCB), 1176 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(struct orc_extended_scb),
1144 pHCB->HCS_virEscbArray, pHCB->HCS_physEscbArray); 1177 host->escb_virt, host->escb_phys);
1145 out_free_scb_array: 1178out_free_scb_array:
1146 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ORC_SCB), 1179 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(struct orc_scb),
1147 pHCB->HCS_virScbArray, pHCB->HCS_physScbArray); 1180 host->scb_virt, host->scb_phys);
1148 out_host_put: 1181out_host_put:
1149 scsi_host_put(shost); 1182 scsi_host_put(shost);
1150 out_release_region: 1183out_release_region:
1151 release_region(port, 256); 1184 release_region(port, 256);
1152 out_disable_device: 1185out_disable_device:
1153 pci_disable_device(pdev); 1186 pci_disable_device(pdev);
1154 out: 1187out:
1155 return error; 1188 return error;
1156} 1189}
1157 1190
1158static void __devexit inia100_remove_one(struct pci_dev *pdev) 1191static void __devexit inia100_remove_one(struct pci_dev *pdev)
1159{ 1192{
1160 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1193 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1161 ORC_HCS *pHCB = (ORC_HCS *)shost->hostdata; 1194 struct orc_host *host = (struct orc_host *)shost->hostdata;
1162 1195
1163 scsi_remove_host(shost); 1196 scsi_remove_host(shost);
1164 1197
1165 free_irq(shost->irq, shost); 1198 free_irq(shost->irq, shost);
1166 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ESCB), 1199 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(struct orc_extended_scb),
1167 pHCB->HCS_virEscbArray, pHCB->HCS_physEscbArray); 1200 host->escb_virt, host->escb_phys);
1168 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(ORC_SCB), 1201 pci_free_consistent(pdev, ORC_MAXQUEUE * sizeof(struct orc_scb),
1169 pHCB->HCS_virScbArray, pHCB->HCS_physScbArray); 1202 host->scb_virt, host->scb_phys);
1170 release_region(shost->io_port, 256); 1203 release_region(shost->io_port, 256);
1171 1204
1172 scsi_host_put(shost); 1205 scsi_host_put(shost);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 05:42:07 -0500