Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/drivers/serial/icom.c
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Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
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File size: 45075 byte(s)
Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
File MIME type: text/plain
File size: 45075 byte(s)
Tag kernel26-2.6.12-alx-r9
1 | /* |
2 | * icom.c |
3 | * |
4 | * Copyright (C) 2001 IBM Corporation. All rights reserved. |
5 | * |
6 | * Serial device driver. |
7 | * |
8 | * Based on code from serial.c |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License as published by |
12 | * the Free Software Foundation; either version 2 of the License, or |
13 | * (at your option) any later version. |
14 | * |
15 | * This program is distributed in the hope that it will be useful, |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | * GNU General Public License for more details. |
19 | * |
20 | * You should have received a copy of the GNU General Public License |
21 | * along with this program; if not, write to the Free Software |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 | * |
24 | */ |
25 | #define SERIAL_DO_RESTART |
26 | #include <linux/module.h> |
27 | #include <linux/config.h> |
28 | #include <linux/version.h> |
29 | #include <linux/kernel.h> |
30 | #include <linux/errno.h> |
31 | #include <linux/signal.h> |
32 | #include <linux/sched.h> |
33 | #include <linux/timer.h> |
34 | #include <linux/interrupt.h> |
35 | #include <linux/tty.h> |
36 | #include <linux/termios.h> |
37 | #include <linux/fs.h> |
38 | #include <linux/tty_flip.h> |
39 | #include <linux/serial.h> |
40 | #include <linux/serial_reg.h> |
41 | #include <linux/major.h> |
42 | #include <linux/string.h> |
43 | #include <linux/fcntl.h> |
44 | #include <linux/ptrace.h> |
45 | #include <linux/ioport.h> |
46 | #include <linux/mm.h> |
47 | #include <linux/slab.h> |
48 | #include <linux/init.h> |
49 | #include <linux/delay.h> |
50 | #include <linux/pci.h> |
51 | #include <linux/vmalloc.h> |
52 | #include <linux/smp.h> |
53 | #include <linux/smp_lock.h> |
54 | #include <linux/spinlock.h> |
55 | #include <linux/kobject.h> |
56 | #include <linux/firmware.h> |
57 | #include <linux/bitops.h> |
58 | |
59 | #include <asm/system.h> |
60 | #include <asm/segment.h> |
61 | #include <asm/io.h> |
62 | #include <asm/irq.h> |
63 | #include <asm/uaccess.h> |
64 | |
65 | #include "icom.h" |
66 | |
67 | /*#define ICOM_TRACE enable port trace capabilities */ |
68 | |
69 | #define ICOM_DRIVER_NAME "icom" |
70 | #define ICOM_VERSION_STR "1.3.1" |
71 | #define NR_PORTS 128 |
72 | #define ICOM_PORT ((struct icom_port *)port) |
73 | #define to_icom_adapter(d) container_of(d, struct icom_adapter, kobj) |
74 | |
75 | static const struct pci_device_id icom_pci_table[] = { |
76 | { |
77 | .vendor = PCI_VENDOR_ID_IBM, |
78 | .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_1, |
79 | .subvendor = PCI_ANY_ID, |
80 | .subdevice = PCI_ANY_ID, |
81 | .driver_data = ADAPTER_V1, |
82 | }, |
83 | { |
84 | .vendor = PCI_VENDOR_ID_IBM, |
85 | .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2, |
86 | .subvendor = PCI_VENDOR_ID_IBM, |
87 | .subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_TWO_PORTS_RVX, |
88 | .driver_data = ADAPTER_V2, |
89 | }, |
90 | { |
91 | .vendor = PCI_VENDOR_ID_IBM, |
92 | .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2, |
93 | .subvendor = PCI_VENDOR_ID_IBM, |
94 | .subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM, |
95 | .driver_data = ADAPTER_V2, |
96 | }, |
97 | { |
98 | .vendor = PCI_VENDOR_ID_IBM, |
99 | .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2, |
100 | .subvendor = PCI_VENDOR_ID_IBM, |
101 | .subdevice = PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL, |
102 | .driver_data = ADAPTER_V2, |
103 | }, |
104 | {} |
105 | }; |
106 | |
107 | struct lookup_proc_table start_proc[4] = { |
108 | {NULL, ICOM_CONTROL_START_A}, |
109 | {NULL, ICOM_CONTROL_START_B}, |
110 | {NULL, ICOM_CONTROL_START_C}, |
111 | {NULL, ICOM_CONTROL_START_D} |
112 | }; |
113 | |
114 | |
115 | struct lookup_proc_table stop_proc[4] = { |
116 | {NULL, ICOM_CONTROL_STOP_A}, |
117 | {NULL, ICOM_CONTROL_STOP_B}, |
118 | {NULL, ICOM_CONTROL_STOP_C}, |
119 | {NULL, ICOM_CONTROL_STOP_D} |
120 | }; |
121 | |
122 | struct lookup_int_table int_mask_tbl[4] = { |
123 | {NULL, ICOM_INT_MASK_PRC_A}, |
124 | {NULL, ICOM_INT_MASK_PRC_B}, |
125 | {NULL, ICOM_INT_MASK_PRC_C}, |
126 | {NULL, ICOM_INT_MASK_PRC_D}, |
127 | }; |
128 | |
129 | |
130 | MODULE_DEVICE_TABLE(pci, icom_pci_table); |
131 | |
132 | static LIST_HEAD(icom_adapter_head); |
133 | |
134 | /* spinlock for adapter initialization and changing adapter operations */ |
135 | static spinlock_t icom_lock; |
136 | |
137 | #ifdef ICOM_TRACE |
138 | static inline void trace(struct icom_port *, char *, unsigned long) {}; |
139 | #else |
140 | static inline void trace(struct icom_port *icom_port, char *trace_pt, unsigned long trace_data) {}; |
141 | #endif |
142 | |
143 | static void free_port_memory(struct icom_port *icom_port) |
144 | { |
145 | struct pci_dev *dev = icom_port->adapter->pci_dev; |
146 | |
147 | trace(icom_port, "RET_PORT_MEM", 0); |
148 | if (icom_port->recv_buf) { |
149 | pci_free_consistent(dev, 4096, icom_port->recv_buf, |
150 | icom_port->recv_buf_pci); |
151 | icom_port->recv_buf = NULL; |
152 | } |
153 | if (icom_port->xmit_buf) { |
154 | pci_free_consistent(dev, 4096, icom_port->xmit_buf, |
155 | icom_port->xmit_buf_pci); |
156 | icom_port->xmit_buf = NULL; |
157 | } |
158 | if (icom_port->statStg) { |
159 | pci_free_consistent(dev, 4096, icom_port->statStg, |
160 | icom_port->statStg_pci); |
161 | icom_port->statStg = NULL; |
162 | } |
163 | |
164 | if (icom_port->xmitRestart) { |
165 | pci_free_consistent(dev, 4096, icom_port->xmitRestart, |
166 | icom_port->xmitRestart_pci); |
167 | icom_port->xmitRestart = NULL; |
168 | } |
169 | } |
170 | |
171 | static int __init get_port_memory(struct icom_port *icom_port) |
172 | { |
173 | int index; |
174 | unsigned long stgAddr; |
175 | unsigned long startStgAddr; |
176 | unsigned long offset; |
177 | struct pci_dev *dev = icom_port->adapter->pci_dev; |
178 | |
179 | icom_port->xmit_buf = |
180 | pci_alloc_consistent(dev, 4096, &icom_port->xmit_buf_pci); |
181 | if (!icom_port->xmit_buf) { |
182 | dev_err(&dev->dev, "Can not allocate Transmit buffer\n"); |
183 | return -ENOMEM; |
184 | } |
185 | |
186 | trace(icom_port, "GET_PORT_MEM", |
187 | (unsigned long) icom_port->xmit_buf); |
188 | |
189 | icom_port->recv_buf = |
190 | pci_alloc_consistent(dev, 4096, &icom_port->recv_buf_pci); |
191 | if (!icom_port->recv_buf) { |
192 | dev_err(&dev->dev, "Can not allocate Receive buffer\n"); |
193 | free_port_memory(icom_port); |
194 | return -ENOMEM; |
195 | } |
196 | trace(icom_port, "GET_PORT_MEM", |
197 | (unsigned long) icom_port->recv_buf); |
198 | |
199 | icom_port->statStg = |
200 | pci_alloc_consistent(dev, 4096, &icom_port->statStg_pci); |
201 | if (!icom_port->statStg) { |
202 | dev_err(&dev->dev, "Can not allocate Status buffer\n"); |
203 | free_port_memory(icom_port); |
204 | return -ENOMEM; |
205 | } |
206 | trace(icom_port, "GET_PORT_MEM", |
207 | (unsigned long) icom_port->statStg); |
208 | |
209 | icom_port->xmitRestart = |
210 | pci_alloc_consistent(dev, 4096, &icom_port->xmitRestart_pci); |
211 | if (!icom_port->xmitRestart) { |
212 | dev_err(&dev->dev, |
213 | "Can not allocate xmit Restart buffer\n"); |
214 | free_port_memory(icom_port); |
215 | return -ENOMEM; |
216 | } |
217 | |
218 | memset(icom_port->statStg, 0, 4096); |
219 | |
220 | /* FODs: Frame Out Descriptor Queue, this is a FIFO queue that |
221 | indicates that frames are to be transmitted |
222 | */ |
223 | |
224 | stgAddr = (unsigned long) icom_port->statStg; |
225 | for (index = 0; index < NUM_XBUFFS; index++) { |
226 | trace(icom_port, "FOD_ADDR", stgAddr); |
227 | stgAddr = stgAddr + sizeof(icom_port->statStg->xmit[0]); |
228 | if (index < (NUM_XBUFFS - 1)) { |
229 | memset(&icom_port->statStg->xmit[index], 0, sizeof(struct xmit_status_area)); |
230 | icom_port->statStg->xmit[index].leLengthASD = |
231 | (unsigned short int) cpu_to_le16(XMIT_BUFF_SZ); |
232 | trace(icom_port, "FOD_ADDR", stgAddr); |
233 | trace(icom_port, "FOD_XBUFF", |
234 | (unsigned long) icom_port->xmit_buf); |
235 | icom_port->statStg->xmit[index].leBuffer = |
236 | cpu_to_le32(icom_port->xmit_buf_pci); |
237 | } else if (index == (NUM_XBUFFS - 1)) { |
238 | memset(&icom_port->statStg->xmit[index], 0, sizeof(struct xmit_status_area)); |
239 | icom_port->statStg->xmit[index].leLengthASD = |
240 | (unsigned short int) cpu_to_le16(XMIT_BUFF_SZ); |
241 | trace(icom_port, "FOD_XBUFF", |
242 | (unsigned long) icom_port->xmit_buf); |
243 | icom_port->statStg->xmit[index].leBuffer = |
244 | cpu_to_le32(icom_port->xmit_buf_pci); |
245 | } else { |
246 | memset(&icom_port->statStg->xmit[index], 0, sizeof(struct xmit_status_area)); |
247 | } |
248 | } |
249 | /* FIDs */ |
250 | startStgAddr = stgAddr; |
251 | |
252 | /* fill in every entry, even if no buffer */ |
253 | for (index = 0; index < NUM_RBUFFS; index++) { |
254 | trace(icom_port, "FID_ADDR", stgAddr); |
255 | stgAddr = stgAddr + sizeof(icom_port->statStg->rcv[0]); |
256 | icom_port->statStg->rcv[index].leLength = 0; |
257 | icom_port->statStg->rcv[index].WorkingLength = |
258 | (unsigned short int) cpu_to_le16(RCV_BUFF_SZ); |
259 | if (index < (NUM_RBUFFS - 1) ) { |
260 | offset = stgAddr - (unsigned long) icom_port->statStg; |
261 | icom_port->statStg->rcv[index].leNext = |
262 | cpu_to_le32(icom_port-> statStg_pci + offset); |
263 | trace(icom_port, "FID_RBUFF", |
264 | (unsigned long) icom_port->recv_buf); |
265 | icom_port->statStg->rcv[index].leBuffer = |
266 | cpu_to_le32(icom_port->recv_buf_pci); |
267 | } else if (index == (NUM_RBUFFS -1) ) { |
268 | offset = startStgAddr - (unsigned long) icom_port->statStg; |
269 | icom_port->statStg->rcv[index].leNext = |
270 | cpu_to_le32(icom_port-> statStg_pci + offset); |
271 | trace(icom_port, "FID_RBUFF", |
272 | (unsigned long) icom_port->recv_buf + 2048); |
273 | icom_port->statStg->rcv[index].leBuffer = |
274 | cpu_to_le32(icom_port->recv_buf_pci + 2048); |
275 | } else { |
276 | icom_port->statStg->rcv[index].leNext = 0; |
277 | icom_port->statStg->rcv[index].leBuffer = 0; |
278 | } |
279 | } |
280 | |
281 | return 0; |
282 | } |
283 | |
284 | static void stop_processor(struct icom_port *icom_port) |
285 | { |
286 | unsigned long temp; |
287 | unsigned long flags; |
288 | int port; |
289 | |
290 | spin_lock_irqsave(&icom_lock, flags); |
291 | |
292 | port = icom_port->port; |
293 | if (port == 0 || port == 1) |
294 | stop_proc[port].global_control_reg = &icom_port->global_reg->control; |
295 | else |
296 | stop_proc[port].global_control_reg = &icom_port->global_reg->control_2; |
297 | |
298 | |
299 | if (port < 4) { |
300 | temp = readl(stop_proc[port].global_control_reg); |
301 | temp = |
302 | (temp & ~start_proc[port].processor_id) | stop_proc[port].processor_id; |
303 | writel(temp, stop_proc[port].global_control_reg); |
304 | |
305 | /* write flush */ |
306 | readl(stop_proc[port].global_control_reg); |
307 | } else { |
308 | dev_err(&icom_port->adapter->pci_dev->dev, |
309 | "Invalid port assignment\n"); |
310 | } |
311 | |
312 | spin_unlock_irqrestore(&icom_lock, flags); |
313 | } |
314 | |
315 | static void start_processor(struct icom_port *icom_port) |
316 | { |
317 | unsigned long temp; |
318 | unsigned long flags; |
319 | int port; |
320 | |
321 | spin_lock_irqsave(&icom_lock, flags); |
322 | |
323 | port = icom_port->port; |
324 | if (port == 0 || port == 1) |
325 | start_proc[port].global_control_reg = &icom_port->global_reg->control; |
326 | else |
327 | start_proc[port].global_control_reg = &icom_port->global_reg->control_2; |
328 | if (port < 4) { |
329 | temp = readl(start_proc[port].global_control_reg); |
330 | temp = |
331 | (temp & ~stop_proc[port].processor_id) | start_proc[port].processor_id; |
332 | writel(temp, start_proc[port].global_control_reg); |
333 | |
334 | /* write flush */ |
335 | readl(start_proc[port].global_control_reg); |
336 | } else { |
337 | dev_err(&icom_port->adapter->pci_dev->dev, |
338 | "Invalid port assignment\n"); |
339 | } |
340 | |
341 | spin_unlock_irqrestore(&icom_lock, flags); |
342 | } |
343 | |
344 | static void load_code(struct icom_port *icom_port) |
345 | { |
346 | const struct firmware *fw; |
347 | char __iomem *iram_ptr; |
348 | int index; |
349 | int status = 0; |
350 | void __iomem *dram_ptr = icom_port->dram; |
351 | dma_addr_t temp_pci; |
352 | unsigned char *new_page = NULL; |
353 | unsigned char cable_id = NO_CABLE; |
354 | struct pci_dev *dev = icom_port->adapter->pci_dev; |
355 | |
356 | /* Clear out any pending interrupts */ |
357 | writew(0x3FFF, icom_port->int_reg); |
358 | |
359 | trace(icom_port, "CLEAR_INTERRUPTS", 0); |
360 | |
361 | /* Stop processor */ |
362 | stop_processor(icom_port); |
363 | |
364 | /* Zero out DRAM */ |
365 | memset_io(dram_ptr, 0, 512); |
366 | |
367 | /* Load Call Setup into Adapter */ |
368 | if (request_firmware(&fw, "icom_call_setup.bin", &dev->dev) < 0) { |
369 | dev_err(&dev->dev,"Unable to load icom_call_setup.bin firmware image\n"); |
370 | status = -1; |
371 | goto load_code_exit; |
372 | } |
373 | |
374 | if (fw->size > ICOM_DCE_IRAM_OFFSET) { |
375 | dev_err(&dev->dev, "Invalid firmware image for icom_call_setup.bin found.\n"); |
376 | release_firmware(fw); |
377 | status = -1; |
378 | goto load_code_exit; |
379 | } |
380 | |
381 | iram_ptr = (char __iomem *)icom_port->dram + ICOM_IRAM_OFFSET; |
382 | for (index = 0; index < fw->size; index++) |
383 | writeb(fw->data[index], &iram_ptr[index]); |
384 | |
385 | release_firmware(fw); |
386 | |
387 | /* Load Resident DCE portion of Adapter */ |
388 | if (request_firmware(&fw, "icom_res_dce.bin", &dev->dev) < 0) { |
389 | dev_err(&dev->dev,"Unable to load icom_res_dce.bin firmware image\n"); |
390 | status = -1; |
391 | goto load_code_exit; |
392 | } |
393 | |
394 | if (fw->size > ICOM_IRAM_SIZE) { |
395 | dev_err(&dev->dev, "Invalid firmware image for icom_res_dce.bin found.\n"); |
396 | release_firmware(fw); |
397 | status = -1; |
398 | goto load_code_exit; |
399 | } |
400 | |
401 | iram_ptr = (char __iomem *) icom_port->dram + ICOM_IRAM_OFFSET; |
402 | for (index = ICOM_DCE_IRAM_OFFSET; index < fw->size; index++) |
403 | writeb(fw->data[index], &iram_ptr[index]); |
404 | |
405 | release_firmware(fw); |
406 | |
407 | /* Set Hardware level */ |
408 | if ((icom_port->adapter->version | ADAPTER_V2) == ADAPTER_V2) |
409 | writeb(V2_HARDWARE, &(icom_port->dram->misc_flags)); |
410 | |
411 | /* Start the processor in Adapter */ |
412 | start_processor(icom_port); |
413 | |
414 | writeb((HDLC_PPP_PURE_ASYNC | HDLC_FF_FILL), |
415 | &(icom_port->dram->HDLCConfigReg)); |
416 | writeb(0x04, &(icom_port->dram->FlagFillIdleTimer)); /* 0.5 seconds */ |
417 | writeb(0x00, &(icom_port->dram->CmdReg)); |
418 | writeb(0x10, &(icom_port->dram->async_config3)); |
419 | writeb((ICOM_ACFG_DRIVE1 | ICOM_ACFG_NO_PARITY | ICOM_ACFG_8BPC | |
420 | ICOM_ACFG_1STOP_BIT), &(icom_port->dram->async_config2)); |
421 | |
422 | /*Set up data in icom DRAM to indicate where personality |
423 | *code is located and its length. |
424 | */ |
425 | new_page = pci_alloc_consistent(dev, 4096, &temp_pci); |
426 | |
427 | if (!new_page) { |
428 | dev_err(&dev->dev, "Can not allocate DMA buffer\n"); |
429 | status = -1; |
430 | goto load_code_exit; |
431 | } |
432 | |
433 | if (request_firmware(&fw, "icom_asc.bin", &dev->dev) < 0) { |
434 | dev_err(&dev->dev,"Unable to load icom_asc.bin firmware image\n"); |
435 | status = -1; |
436 | goto load_code_exit; |
437 | } |
438 | |
439 | if (fw->size > ICOM_DCE_IRAM_OFFSET) { |
440 | dev_err(&dev->dev, "Invalid firmware image for icom_asc.bin found.\n"); |
441 | release_firmware(fw); |
442 | status = -1; |
443 | goto load_code_exit; |
444 | } |
445 | |
446 | for (index = 0; index < fw->size; index++) |
447 | new_page[index] = fw->data[index]; |
448 | |
449 | release_firmware(fw); |
450 | |
451 | writeb((char) ((fw->size + 16)/16), &icom_port->dram->mac_length); |
452 | writel(temp_pci, &icom_port->dram->mac_load_addr); |
453 | |
454 | /*Setting the syncReg to 0x80 causes adapter to start downloading |
455 | the personality code into adapter instruction RAM. |
456 | Once code is loaded, it will begin executing and, based on |
457 | information provided above, will start DMAing data from |
458 | shared memory to adapter DRAM. |
459 | */ |
460 | /* the wait loop below verifies this write operation has been done |
461 | and processed |
462 | */ |
463 | writeb(START_DOWNLOAD, &icom_port->dram->sync); |
464 | |
465 | /* Wait max 1 Sec for data download and processor to start */ |
466 | for (index = 0; index < 10; index++) { |
467 | msleep(100); |
468 | if (readb(&icom_port->dram->misc_flags) & ICOM_HDW_ACTIVE) |
469 | break; |
470 | } |
471 | |
472 | if (index == 10) |
473 | status = -1; |
474 | |
475 | /* |
476 | * check Cable ID |
477 | */ |
478 | cable_id = readb(&icom_port->dram->cable_id); |
479 | |
480 | if (cable_id & ICOM_CABLE_ID_VALID) { |
481 | /* Get cable ID into the lower 4 bits (standard form) */ |
482 | cable_id = (cable_id & ICOM_CABLE_ID_MASK) >> 4; |
483 | icom_port->cable_id = cable_id; |
484 | } else { |
485 | dev_err(&dev->dev,"Invalid or no cable attached\n"); |
486 | icom_port->cable_id = NO_CABLE; |
487 | } |
488 | |
489 | load_code_exit: |
490 | |
491 | if (status != 0) { |
492 | /* Clear out any pending interrupts */ |
493 | writew(0x3FFF, icom_port->int_reg); |
494 | |
495 | /* Turn off port */ |
496 | writeb(ICOM_DISABLE, &(icom_port->dram->disable)); |
497 | |
498 | /* Stop processor */ |
499 | stop_processor(icom_port); |
500 | |
501 | dev_err(&icom_port->adapter->pci_dev->dev,"Port not opertional\n"); |
502 | } |
503 | |
504 | if (new_page != NULL) |
505 | pci_free_consistent(dev, 4096, new_page, temp_pci); |
506 | } |
507 | |
508 | static int startup(struct icom_port *icom_port) |
509 | { |
510 | unsigned long temp; |
511 | unsigned char cable_id, raw_cable_id; |
512 | unsigned long flags; |
513 | int port; |
514 | |
515 | trace(icom_port, "STARTUP", 0); |
516 | |
517 | if (!icom_port->dram) { |
518 | /* should NEVER be NULL */ |
519 | dev_err(&icom_port->adapter->pci_dev->dev, |
520 | "Unusable Port, port configuration missing\n"); |
521 | return -ENODEV; |
522 | } |
523 | |
524 | /* |
525 | * check Cable ID |
526 | */ |
527 | raw_cable_id = readb(&icom_port->dram->cable_id); |
528 | trace(icom_port, "CABLE_ID", raw_cable_id); |
529 | |
530 | /* Get cable ID into the lower 4 bits (standard form) */ |
531 | cable_id = (raw_cable_id & ICOM_CABLE_ID_MASK) >> 4; |
532 | |
533 | /* Check for valid Cable ID */ |
534 | if (!(raw_cable_id & ICOM_CABLE_ID_VALID) || |
535 | (cable_id != icom_port->cable_id)) { |
536 | |
537 | /* reload adapter code, pick up any potential changes in cable id */ |
538 | load_code(icom_port); |
539 | |
540 | /* still no sign of cable, error out */ |
541 | raw_cable_id = readb(&icom_port->dram->cable_id); |
542 | cable_id = (raw_cable_id & ICOM_CABLE_ID_MASK) >> 4; |
543 | if (!(raw_cable_id & ICOM_CABLE_ID_VALID) || |
544 | (icom_port->cable_id == NO_CABLE)) |
545 | return -EIO; |
546 | } |
547 | |
548 | /* |
549 | * Finally, clear and enable interrupts |
550 | */ |
551 | spin_lock_irqsave(&icom_lock, flags); |
552 | port = icom_port->port; |
553 | if (port == 0 || port == 1) |
554 | int_mask_tbl[port].global_int_mask = &icom_port->global_reg->int_mask; |
555 | else |
556 | int_mask_tbl[port].global_int_mask = &icom_port->global_reg->int_mask_2; |
557 | |
558 | if (port == 0 || port == 2) |
559 | writew(0x00FF, icom_port->int_reg); |
560 | else |
561 | writew(0x3F00, icom_port->int_reg); |
562 | if (port < 4) { |
563 | temp = readl(int_mask_tbl[port].global_int_mask); |
564 | writel(temp & ~int_mask_tbl[port].processor_id, int_mask_tbl[port].global_int_mask); |
565 | |
566 | /* write flush */ |
567 | readl(int_mask_tbl[port].global_int_mask); |
568 | } else { |
569 | dev_err(&icom_port->adapter->pci_dev->dev, |
570 | "Invalid port assignment\n"); |
571 | } |
572 | |
573 | spin_unlock_irqrestore(&icom_lock, flags); |
574 | return 0; |
575 | } |
576 | |
577 | static void shutdown(struct icom_port *icom_port) |
578 | { |
579 | unsigned long temp; |
580 | unsigned char cmdReg; |
581 | unsigned long flags; |
582 | int port; |
583 | |
584 | spin_lock_irqsave(&icom_lock, flags); |
585 | trace(icom_port, "SHUTDOWN", 0); |
586 | |
587 | /* |
588 | * disable all interrupts |
589 | */ |
590 | port = icom_port->port; |
591 | if (port == 0 || port == 1) |
592 | int_mask_tbl[port].global_int_mask = &icom_port->global_reg->int_mask; |
593 | else |
594 | int_mask_tbl[port].global_int_mask = &icom_port->global_reg->int_mask_2; |
595 | |
596 | if (port < 4) { |
597 | temp = readl(int_mask_tbl[port].global_int_mask); |
598 | writel(temp | int_mask_tbl[port].processor_id, int_mask_tbl[port].global_int_mask); |
599 | |
600 | /* write flush */ |
601 | readl(int_mask_tbl[port].global_int_mask); |
602 | } else { |
603 | dev_err(&icom_port->adapter->pci_dev->dev, |
604 | "Invalid port assignment\n"); |
605 | } |
606 | spin_unlock_irqrestore(&icom_lock, flags); |
607 | |
608 | /* |
609 | * disable break condition |
610 | */ |
611 | cmdReg = readb(&icom_port->dram->CmdReg); |
612 | if ((cmdReg | CMD_SND_BREAK) == CMD_SND_BREAK) { |
613 | writeb(cmdReg & ~CMD_SND_BREAK, &icom_port->dram->CmdReg); |
614 | } |
615 | } |
616 | |
617 | static int icom_write(struct uart_port *port) |
618 | { |
619 | unsigned long data_count; |
620 | unsigned char cmdReg; |
621 | unsigned long offset; |
622 | int temp_tail = port->info->xmit.tail; |
623 | |
624 | trace(ICOM_PORT, "WRITE", 0); |
625 | |
626 | if (cpu_to_le16(ICOM_PORT->statStg->xmit[0].flags) & |
627 | SA_FLAGS_READY_TO_XMIT) { |
628 | trace(ICOM_PORT, "WRITE_FULL", 0); |
629 | return 0; |
630 | } |
631 | |
632 | data_count = 0; |
633 | while ((port->info->xmit.head != temp_tail) && |
634 | (data_count <= XMIT_BUFF_SZ)) { |
635 | |
636 | ICOM_PORT->xmit_buf[data_count++] = |
637 | port->info->xmit.buf[temp_tail]; |
638 | |
639 | temp_tail++; |
640 | temp_tail &= (UART_XMIT_SIZE - 1); |
641 | } |
642 | |
643 | if (data_count) { |
644 | ICOM_PORT->statStg->xmit[0].flags = |
645 | cpu_to_le16(SA_FLAGS_READY_TO_XMIT); |
646 | ICOM_PORT->statStg->xmit[0].leLength = |
647 | cpu_to_le16(data_count); |
648 | offset = |
649 | (unsigned long) &ICOM_PORT->statStg->xmit[0] - |
650 | (unsigned long) ICOM_PORT->statStg; |
651 | *ICOM_PORT->xmitRestart = |
652 | cpu_to_le32(ICOM_PORT->statStg_pci + offset); |
653 | cmdReg = readb(&ICOM_PORT->dram->CmdReg); |
654 | writeb(cmdReg | CMD_XMIT_RCV_ENABLE, |
655 | &ICOM_PORT->dram->CmdReg); |
656 | writeb(START_XMIT, &ICOM_PORT->dram->StartXmitCmd); |
657 | trace(ICOM_PORT, "WRITE_START", data_count); |
658 | /* write flush */ |
659 | readb(&ICOM_PORT->dram->StartXmitCmd); |
660 | } |
661 | |
662 | return data_count; |
663 | } |
664 | |
665 | static inline void check_modem_status(struct icom_port *icom_port) |
666 | { |
667 | static char old_status = 0; |
668 | char delta_status; |
669 | unsigned char status; |
670 | |
671 | spin_lock(&icom_port->uart_port.lock); |
672 | |
673 | /*modem input register */ |
674 | status = readb(&icom_port->dram->isr); |
675 | trace(icom_port, "CHECK_MODEM", status); |
676 | delta_status = status ^ old_status; |
677 | if (delta_status) { |
678 | if (delta_status & ICOM_RI) |
679 | icom_port->uart_port.icount.rng++; |
680 | if (delta_status & ICOM_DSR) |
681 | icom_port->uart_port.icount.dsr++; |
682 | if (delta_status & ICOM_DCD) |
683 | uart_handle_dcd_change(&icom_port->uart_port, |
684 | delta_status & ICOM_DCD); |
685 | if (delta_status & ICOM_CTS) |
686 | uart_handle_cts_change(&icom_port->uart_port, |
687 | delta_status & ICOM_CTS); |
688 | |
689 | wake_up_interruptible(&icom_port->uart_port.info-> |
690 | delta_msr_wait); |
691 | old_status = status; |
692 | } |
693 | spin_unlock(&icom_port->uart_port.lock); |
694 | } |
695 | |
696 | static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port) |
697 | { |
698 | unsigned short int count; |
699 | int i; |
700 | |
701 | if (port_int_reg & (INT_XMIT_COMPLETED)) { |
702 | trace(icom_port, "XMIT_COMPLETE", 0); |
703 | |
704 | /* clear buffer in use bit */ |
705 | icom_port->statStg->xmit[0].flags &= |
706 | cpu_to_le16(~SA_FLAGS_READY_TO_XMIT); |
707 | |
708 | count = (unsigned short int) |
709 | cpu_to_le16(icom_port->statStg->xmit[0].leLength); |
710 | icom_port->uart_port.icount.tx += count; |
711 | |
712 | for (i=0; i<count && |
713 | !uart_circ_empty(&icom_port->uart_port.info->xmit); i++) { |
714 | |
715 | icom_port->uart_port.info->xmit.tail++; |
716 | icom_port->uart_port.info->xmit.tail &= |
717 | (UART_XMIT_SIZE - 1); |
718 | } |
719 | |
720 | if (!icom_write(&icom_port->uart_port)) |
721 | /* activate write queue */ |
722 | uart_write_wakeup(&icom_port->uart_port); |
723 | } else |
724 | trace(icom_port, "XMIT_DISABLED", 0); |
725 | } |
726 | |
727 | static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port) |
728 | { |
729 | short int count, rcv_buff; |
730 | struct tty_struct *tty = icom_port->uart_port.info->tty; |
731 | unsigned short int status; |
732 | struct uart_icount *icount; |
733 | unsigned long offset; |
734 | |
735 | trace(icom_port, "RCV_COMPLETE", 0); |
736 | rcv_buff = icom_port->next_rcv; |
737 | |
738 | status = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].flags); |
739 | while (status & SA_FL_RCV_DONE) { |
740 | |
741 | trace(icom_port, "FID_STATUS", status); |
742 | count = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].leLength); |
743 | |
744 | trace(icom_port, "RCV_COUNT", count); |
745 | if (count > (TTY_FLIPBUF_SIZE - tty->flip.count)) |
746 | count = TTY_FLIPBUF_SIZE - tty->flip.count; |
747 | |
748 | trace(icom_port, "REAL_COUNT", count); |
749 | |
750 | offset = |
751 | cpu_to_le32(icom_port->statStg->rcv[rcv_buff].leBuffer) - |
752 | icom_port->recv_buf_pci; |
753 | |
754 | memcpy(tty->flip.char_buf_ptr,(unsigned char *) |
755 | ((unsigned long)icom_port->recv_buf + offset), count); |
756 | |
757 | if (count > 0) { |
758 | tty->flip.count += count - 1; |
759 | tty->flip.char_buf_ptr += count - 1; |
760 | |
761 | memset(tty->flip.flag_buf_ptr, 0, count); |
762 | tty->flip.flag_buf_ptr += count - 1; |
763 | } |
764 | |
765 | icount = &icom_port->uart_port.icount; |
766 | icount->rx += count; |
767 | |
768 | /* Break detect logic */ |
769 | if ((status & SA_FLAGS_FRAME_ERROR) |
770 | && (tty->flip.char_buf_ptr[0] == 0x00)) { |
771 | status &= ~SA_FLAGS_FRAME_ERROR; |
772 | status |= SA_FLAGS_BREAK_DET; |
773 | trace(icom_port, "BREAK_DET", 0); |
774 | } |
775 | |
776 | if (status & |
777 | (SA_FLAGS_BREAK_DET | SA_FLAGS_PARITY_ERROR | |
778 | SA_FLAGS_FRAME_ERROR | SA_FLAGS_OVERRUN)) { |
779 | |
780 | if (status & SA_FLAGS_BREAK_DET) |
781 | icount->brk++; |
782 | if (status & SA_FLAGS_PARITY_ERROR) |
783 | icount->parity++; |
784 | if (status & SA_FLAGS_FRAME_ERROR) |
785 | icount->frame++; |
786 | if (status & SA_FLAGS_OVERRUN) |
787 | icount->overrun++; |
788 | |
789 | /* |
790 | * Now check to see if character should be |
791 | * ignored, and mask off conditions which |
792 | * should be ignored. |
793 | */ |
794 | if (status & icom_port->ignore_status_mask) { |
795 | trace(icom_port, "IGNORE_CHAR", 0); |
796 | goto ignore_char; |
797 | } |
798 | |
799 | status &= icom_port->read_status_mask; |
800 | |
801 | if (status & SA_FLAGS_BREAK_DET) { |
802 | *tty->flip.flag_buf_ptr = TTY_BREAK; |
803 | } else if (status & SA_FLAGS_PARITY_ERROR) { |
804 | trace(icom_port, "PARITY_ERROR", 0); |
805 | *tty->flip.flag_buf_ptr = TTY_PARITY; |
806 | } else if (status & SA_FLAGS_FRAME_ERROR) |
807 | *tty->flip.flag_buf_ptr = TTY_FRAME; |
808 | |
809 | if (status & SA_FLAGS_OVERRUN) { |
810 | /* |
811 | * Overrun is special, since it's |
812 | * reported immediately, and doesn't |
813 | * affect the current character |
814 | */ |
815 | if (tty->flip.count < TTY_FLIPBUF_SIZE) { |
816 | tty->flip.count++; |
817 | tty->flip.flag_buf_ptr++; |
818 | tty->flip.char_buf_ptr++; |
819 | *tty->flip.flag_buf_ptr = TTY_OVERRUN; |
820 | } |
821 | } |
822 | } |
823 | |
824 | tty->flip.flag_buf_ptr++; |
825 | tty->flip.char_buf_ptr++; |
826 | tty->flip.count++; |
827 | ignore_char: |
828 | icom_port->statStg->rcv[rcv_buff].flags = 0; |
829 | icom_port->statStg->rcv[rcv_buff].leLength = 0; |
830 | icom_port->statStg->rcv[rcv_buff].WorkingLength = |
831 | (unsigned short int) cpu_to_le16(RCV_BUFF_SZ); |
832 | |
833 | rcv_buff++; |
834 | if (rcv_buff == NUM_RBUFFS) |
835 | rcv_buff = 0; |
836 | |
837 | status = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].flags); |
838 | } |
839 | icom_port->next_rcv = rcv_buff; |
840 | tty_flip_buffer_push(tty); |
841 | } |
842 | |
843 | static void process_interrupt(u16 port_int_reg, |
844 | struct icom_port *icom_port) |
845 | { |
846 | |
847 | spin_lock(&icom_port->uart_port.lock); |
848 | trace(icom_port, "INTERRUPT", port_int_reg); |
849 | |
850 | if (port_int_reg & (INT_XMIT_COMPLETED | INT_XMIT_DISABLED)) |
851 | xmit_interrupt(port_int_reg, icom_port); |
852 | |
853 | if (port_int_reg & INT_RCV_COMPLETED) |
854 | recv_interrupt(port_int_reg, icom_port); |
855 | |
856 | spin_unlock(&icom_port->uart_port.lock); |
857 | } |
858 | |
859 | static irqreturn_t icom_interrupt(int irq, void *dev_id, |
860 | struct pt_regs *regs) |
861 | { |
862 | void __iomem * int_reg; |
863 | u32 adapter_interrupts; |
864 | u16 port_int_reg; |
865 | struct icom_adapter *icom_adapter; |
866 | struct icom_port *icom_port; |
867 | |
868 | /* find icom_port for this interrupt */ |
869 | icom_adapter = (struct icom_adapter *) dev_id; |
870 | |
871 | if ((icom_adapter->version | ADAPTER_V2) == ADAPTER_V2) { |
872 | int_reg = icom_adapter->base_addr + 0x8024; |
873 | |
874 | adapter_interrupts = readl(int_reg); |
875 | |
876 | if (adapter_interrupts & 0x00003FFF) { |
877 | /* port 2 interrupt, NOTE: for all ADAPTER_V2, port 2 will be active */ |
878 | icom_port = &icom_adapter->port_info[2]; |
879 | port_int_reg = (u16) adapter_interrupts; |
880 | process_interrupt(port_int_reg, icom_port); |
881 | check_modem_status(icom_port); |
882 | } |
883 | if (adapter_interrupts & 0x3FFF0000) { |
884 | /* port 3 interrupt */ |
885 | icom_port = &icom_adapter->port_info[3]; |
886 | if (icom_port->status == ICOM_PORT_ACTIVE) { |
887 | port_int_reg = |
888 | (u16) (adapter_interrupts >> 16); |
889 | process_interrupt(port_int_reg, icom_port); |
890 | check_modem_status(icom_port); |
891 | } |
892 | } |
893 | |
894 | /* Clear out any pending interrupts */ |
895 | writel(adapter_interrupts, int_reg); |
896 | |
897 | int_reg = icom_adapter->base_addr + 0x8004; |
898 | } else { |
899 | int_reg = icom_adapter->base_addr + 0x4004; |
900 | } |
901 | |
902 | adapter_interrupts = readl(int_reg); |
903 | |
904 | if (adapter_interrupts & 0x00003FFF) { |
905 | /* port 0 interrupt, NOTE: for all adapters, port 0 will be active */ |
906 | icom_port = &icom_adapter->port_info[0]; |
907 | port_int_reg = (u16) adapter_interrupts; |
908 | process_interrupt(port_int_reg, icom_port); |
909 | check_modem_status(icom_port); |
910 | } |
911 | if (adapter_interrupts & 0x3FFF0000) { |
912 | /* port 1 interrupt */ |
913 | icom_port = &icom_adapter->port_info[1]; |
914 | if (icom_port->status == ICOM_PORT_ACTIVE) { |
915 | port_int_reg = (u16) (adapter_interrupts >> 16); |
916 | process_interrupt(port_int_reg, icom_port); |
917 | check_modem_status(icom_port); |
918 | } |
919 | } |
920 | |
921 | /* Clear out any pending interrupts */ |
922 | writel(adapter_interrupts, int_reg); |
923 | |
924 | /* flush the write */ |
925 | adapter_interrupts = readl(int_reg); |
926 | |
927 | return IRQ_HANDLED; |
928 | } |
929 | |
930 | /* |
931 | * ------------------------------------------------------------------ |
932 | * Begin serial-core API |
933 | * ------------------------------------------------------------------ |
934 | */ |
935 | static unsigned int icom_tx_empty(struct uart_port *port) |
936 | { |
937 | int ret; |
938 | unsigned long flags; |
939 | |
940 | spin_lock_irqsave(&port->lock, flags); |
941 | if (cpu_to_le16(ICOM_PORT->statStg->xmit[0].flags) & |
942 | SA_FLAGS_READY_TO_XMIT) |
943 | ret = TIOCSER_TEMT; |
944 | else |
945 | ret = 0; |
946 | |
947 | spin_unlock_irqrestore(&port->lock, flags); |
948 | return ret; |
949 | } |
950 | |
951 | static void icom_set_mctrl(struct uart_port *port, unsigned int mctrl) |
952 | { |
953 | unsigned char local_osr; |
954 | |
955 | trace(ICOM_PORT, "SET_MODEM", 0); |
956 | local_osr = readb(&ICOM_PORT->dram->osr); |
957 | |
958 | if (mctrl & TIOCM_RTS) { |
959 | trace(ICOM_PORT, "RAISE_RTS", 0); |
960 | local_osr |= ICOM_RTS; |
961 | } else { |
962 | trace(ICOM_PORT, "LOWER_RTS", 0); |
963 | local_osr &= ~ICOM_RTS; |
964 | } |
965 | |
966 | if (mctrl & TIOCM_DTR) { |
967 | trace(ICOM_PORT, "RAISE_DTR", 0); |
968 | local_osr |= ICOM_DTR; |
969 | } else { |
970 | trace(ICOM_PORT, "LOWER_DTR", 0); |
971 | local_osr &= ~ICOM_DTR; |
972 | } |
973 | |
974 | writeb(local_osr, &ICOM_PORT->dram->osr); |
975 | } |
976 | |
977 | static unsigned int icom_get_mctrl(struct uart_port *port) |
978 | { |
979 | unsigned char status; |
980 | unsigned int result; |
981 | |
982 | trace(ICOM_PORT, "GET_MODEM", 0); |
983 | |
984 | status = readb(&ICOM_PORT->dram->isr); |
985 | |
986 | result = ((status & ICOM_DCD) ? TIOCM_CAR : 0) |
987 | | ((status & ICOM_RI) ? TIOCM_RNG : 0) |
988 | | ((status & ICOM_DSR) ? TIOCM_DSR : 0) |
989 | | ((status & ICOM_CTS) ? TIOCM_CTS : 0); |
990 | return result; |
991 | } |
992 | |
993 | static void icom_stop_tx(struct uart_port *port, unsigned int tty_stop) |
994 | { |
995 | unsigned char cmdReg; |
996 | |
997 | if (tty_stop) { |
998 | trace(ICOM_PORT, "STOP", 0); |
999 | cmdReg = readb(&ICOM_PORT->dram->CmdReg); |
1000 | writeb(cmdReg | CMD_HOLD_XMIT, &ICOM_PORT->dram->CmdReg); |
1001 | } |
1002 | } |
1003 | |
1004 | static void icom_start_tx(struct uart_port *port, unsigned int tty_start) |
1005 | { |
1006 | unsigned char cmdReg; |
1007 | |
1008 | trace(ICOM_PORT, "START", 0); |
1009 | cmdReg = readb(&ICOM_PORT->dram->CmdReg); |
1010 | if ((cmdReg & CMD_HOLD_XMIT) == CMD_HOLD_XMIT) |
1011 | writeb(cmdReg & ~CMD_HOLD_XMIT, |
1012 | &ICOM_PORT->dram->CmdReg); |
1013 | |
1014 | icom_write(port); |
1015 | } |
1016 | |
1017 | static void icom_send_xchar(struct uart_port *port, char ch) |
1018 | { |
1019 | unsigned char xdata; |
1020 | int index; |
1021 | unsigned long flags; |
1022 | |
1023 | trace(ICOM_PORT, "SEND_XCHAR", ch); |
1024 | |
1025 | /* wait .1 sec to send char */ |
1026 | for (index = 0; index < 10; index++) { |
1027 | spin_lock_irqsave(&port->lock, flags); |
1028 | xdata = readb(&ICOM_PORT->dram->xchar); |
1029 | if (xdata == 0x00) { |
1030 | trace(ICOM_PORT, "QUICK_WRITE", 0); |
1031 | writeb(ch, &ICOM_PORT->dram->xchar); |
1032 | |
1033 | /* flush write operation */ |
1034 | xdata = readb(&ICOM_PORT->dram->xchar); |
1035 | spin_unlock_irqrestore(&port->lock, flags); |
1036 | break; |
1037 | } |
1038 | spin_unlock_irqrestore(&port->lock, flags); |
1039 | msleep(10); |
1040 | } |
1041 | } |
1042 | |
1043 | static void icom_stop_rx(struct uart_port *port) |
1044 | { |
1045 | unsigned char cmdReg; |
1046 | |
1047 | cmdReg = readb(&ICOM_PORT->dram->CmdReg); |
1048 | writeb(cmdReg & ~CMD_RCV_ENABLE, &ICOM_PORT->dram->CmdReg); |
1049 | } |
1050 | |
1051 | static void icom_enable_ms(struct uart_port *port) |
1052 | { |
1053 | /* no-op */ |
1054 | } |
1055 | |
1056 | static void icom_break(struct uart_port *port, int break_state) |
1057 | { |
1058 | unsigned char cmdReg; |
1059 | unsigned long flags; |
1060 | |
1061 | spin_lock_irqsave(&port->lock, flags); |
1062 | trace(ICOM_PORT, "BREAK", 0); |
1063 | cmdReg = readb(&ICOM_PORT->dram->CmdReg); |
1064 | if (break_state == -1) { |
1065 | writeb(cmdReg | CMD_SND_BREAK, &ICOM_PORT->dram->CmdReg); |
1066 | } else { |
1067 | writeb(cmdReg & ~CMD_SND_BREAK, &ICOM_PORT->dram->CmdReg); |
1068 | } |
1069 | spin_unlock_irqrestore(&port->lock, flags); |
1070 | } |
1071 | |
1072 | static int icom_open(struct uart_port *port) |
1073 | { |
1074 | int retval; |
1075 | |
1076 | kobject_get(&ICOM_PORT->adapter->kobj); |
1077 | retval = startup(ICOM_PORT); |
1078 | |
1079 | if (retval) { |
1080 | kobject_put(&ICOM_PORT->adapter->kobj); |
1081 | trace(ICOM_PORT, "STARTUP_ERROR", 0); |
1082 | return retval; |
1083 | } |
1084 | |
1085 | return 0; |
1086 | } |
1087 | |
1088 | static void icom_close(struct uart_port *port) |
1089 | { |
1090 | unsigned char cmdReg; |
1091 | |
1092 | trace(ICOM_PORT, "CLOSE", 0); |
1093 | |
1094 | /* stop receiver */ |
1095 | cmdReg = readb(&ICOM_PORT->dram->CmdReg); |
1096 | writeb(cmdReg & (unsigned char) ~CMD_RCV_ENABLE, |
1097 | &ICOM_PORT->dram->CmdReg); |
1098 | |
1099 | shutdown(ICOM_PORT); |
1100 | |
1101 | kobject_put(&ICOM_PORT->adapter->kobj); |
1102 | } |
1103 | |
1104 | static void icom_set_termios(struct uart_port *port, |
1105 | struct termios *termios, |
1106 | struct termios *old_termios) |
1107 | { |
1108 | int baud; |
1109 | unsigned cflag, iflag; |
1110 | int bits; |
1111 | char new_config2; |
1112 | char new_config3 = 0; |
1113 | char tmp_byte; |
1114 | int index; |
1115 | int rcv_buff, xmit_buff; |
1116 | unsigned long offset; |
1117 | unsigned long flags; |
1118 | |
1119 | spin_lock_irqsave(&port->lock, flags); |
1120 | trace(ICOM_PORT, "CHANGE_SPEED", 0); |
1121 | |
1122 | cflag = termios->c_cflag; |
1123 | iflag = termios->c_iflag; |
1124 | |
1125 | new_config2 = ICOM_ACFG_DRIVE1; |
1126 | |
1127 | /* byte size and parity */ |
1128 | switch (cflag & CSIZE) { |
1129 | case CS5: /* 5 bits/char */ |
1130 | new_config2 |= ICOM_ACFG_5BPC; |
1131 | bits = 7; |
1132 | break; |
1133 | case CS6: /* 6 bits/char */ |
1134 | new_config2 |= ICOM_ACFG_6BPC; |
1135 | bits = 8; |
1136 | break; |
1137 | case CS7: /* 7 bits/char */ |
1138 | new_config2 |= ICOM_ACFG_7BPC; |
1139 | bits = 9; |
1140 | break; |
1141 | case CS8: /* 8 bits/char */ |
1142 | new_config2 |= ICOM_ACFG_8BPC; |
1143 | bits = 10; |
1144 | break; |
1145 | default: |
1146 | bits = 10; |
1147 | break; |
1148 | } |
1149 | if (cflag & CSTOPB) { |
1150 | /* 2 stop bits */ |
1151 | new_config2 |= ICOM_ACFG_2STOP_BIT; |
1152 | bits++; |
1153 | } |
1154 | if (cflag & PARENB) { |
1155 | /* parity bit enabled */ |
1156 | new_config2 |= ICOM_ACFG_PARITY_ENAB; |
1157 | trace(ICOM_PORT, "PARENB", 0); |
1158 | bits++; |
1159 | } |
1160 | if (cflag & PARODD) { |
1161 | /* odd parity */ |
1162 | new_config2 |= ICOM_ACFG_PARITY_ODD; |
1163 | trace(ICOM_PORT, "PARODD", 0); |
1164 | } |
1165 | |
1166 | /* Determine divisor based on baud rate */ |
1167 | baud = uart_get_baud_rate(port, termios, old_termios, |
1168 | icom_acfg_baud[0], |
1169 | icom_acfg_baud[BAUD_TABLE_LIMIT]); |
1170 | if (!baud) |
1171 | baud = 9600; /* B0 transition handled in rs_set_termios */ |
1172 | |
1173 | for (index = 0; index < BAUD_TABLE_LIMIT; index++) { |
1174 | if (icom_acfg_baud[index] == baud) { |
1175 | new_config3 = index; |
1176 | break; |
1177 | } |
1178 | } |
1179 | |
1180 | uart_update_timeout(port, cflag, baud); |
1181 | |
1182 | /* CTS flow control flag and modem status interrupts */ |
1183 | tmp_byte = readb(&(ICOM_PORT->dram->HDLCConfigReg)); |
1184 | if (cflag & CRTSCTS) |
1185 | tmp_byte |= HDLC_HDW_FLOW; |
1186 | else |
1187 | tmp_byte &= ~HDLC_HDW_FLOW; |
1188 | writeb(tmp_byte, &(ICOM_PORT->dram->HDLCConfigReg)); |
1189 | |
1190 | /* |
1191 | * Set up parity check flag |
1192 | */ |
1193 | ICOM_PORT->read_status_mask = SA_FLAGS_OVERRUN | SA_FL_RCV_DONE; |
1194 | if (iflag & INPCK) |
1195 | ICOM_PORT->read_status_mask |= |
1196 | SA_FLAGS_FRAME_ERROR | SA_FLAGS_PARITY_ERROR; |
1197 | |
1198 | if ((iflag & BRKINT) || (iflag & PARMRK)) |
1199 | ICOM_PORT->read_status_mask |= SA_FLAGS_BREAK_DET; |
1200 | |
1201 | /* |
1202 | * Characters to ignore |
1203 | */ |
1204 | ICOM_PORT->ignore_status_mask = 0; |
1205 | if (iflag & IGNPAR) |
1206 | ICOM_PORT->ignore_status_mask |= |
1207 | SA_FLAGS_PARITY_ERROR | SA_FLAGS_FRAME_ERROR; |
1208 | if (iflag & IGNBRK) { |
1209 | ICOM_PORT->ignore_status_mask |= SA_FLAGS_BREAK_DET; |
1210 | /* |
1211 | * If we're ignore parity and break indicators, ignore |
1212 | * overruns too. (For real raw support). |
1213 | */ |
1214 | if (iflag & IGNPAR) |
1215 | ICOM_PORT->ignore_status_mask |= SA_FLAGS_OVERRUN; |
1216 | } |
1217 | |
1218 | /* |
1219 | * !!! ignore all characters if CREAD is not set |
1220 | */ |
1221 | if ((cflag & CREAD) == 0) |
1222 | ICOM_PORT->ignore_status_mask |= SA_FL_RCV_DONE; |
1223 | |
1224 | /* Turn off Receiver to prepare for reset */ |
1225 | writeb(CMD_RCV_DISABLE, &ICOM_PORT->dram->CmdReg); |
1226 | |
1227 | for (index = 0; index < 10; index++) { |
1228 | if (readb(&ICOM_PORT->dram->PrevCmdReg) == 0x00) { |
1229 | break; |
1230 | } |
1231 | } |
1232 | |
1233 | /* clear all current buffers of data */ |
1234 | for (rcv_buff = 0; rcv_buff < NUM_RBUFFS; rcv_buff++) { |
1235 | ICOM_PORT->statStg->rcv[rcv_buff].flags = 0; |
1236 | ICOM_PORT->statStg->rcv[rcv_buff].leLength = 0; |
1237 | ICOM_PORT->statStg->rcv[rcv_buff].WorkingLength = |
1238 | (unsigned short int) cpu_to_le16(RCV_BUFF_SZ); |
1239 | } |
1240 | |
1241 | for (xmit_buff = 0; xmit_buff < NUM_XBUFFS; xmit_buff++) { |
1242 | ICOM_PORT->statStg->xmit[xmit_buff].flags = 0; |
1243 | } |
1244 | |
1245 | /* activate changes and start xmit and receiver here */ |
1246 | /* Enable the receiver */ |
1247 | writeb(new_config3, &(ICOM_PORT->dram->async_config3)); |
1248 | writeb(new_config2, &(ICOM_PORT->dram->async_config2)); |
1249 | tmp_byte = readb(&(ICOM_PORT->dram->HDLCConfigReg)); |
1250 | tmp_byte |= HDLC_PPP_PURE_ASYNC | HDLC_FF_FILL; |
1251 | writeb(tmp_byte, &(ICOM_PORT->dram->HDLCConfigReg)); |
1252 | writeb(0x04, &(ICOM_PORT->dram->FlagFillIdleTimer)); /* 0.5 seconds */ |
1253 | writeb(0xFF, &(ICOM_PORT->dram->ier)); /* enable modem signal interrupts */ |
1254 | |
1255 | /* reset processor */ |
1256 | writeb(CMD_RESTART, &ICOM_PORT->dram->CmdReg); |
1257 | |
1258 | for (index = 0; index < 10; index++) { |
1259 | if (readb(&ICOM_PORT->dram->CmdReg) == 0x00) { |
1260 | break; |
1261 | } |
1262 | } |
1263 | |
1264 | /* Enable Transmitter and Reciever */ |
1265 | offset = |
1266 | (unsigned long) &ICOM_PORT->statStg->rcv[0] - |
1267 | (unsigned long) ICOM_PORT->statStg; |
1268 | writel(ICOM_PORT->statStg_pci + offset, |
1269 | &ICOM_PORT->dram->RcvStatusAddr); |
1270 | ICOM_PORT->next_rcv = 0; |
1271 | ICOM_PORT->put_length = 0; |
1272 | *ICOM_PORT->xmitRestart = 0; |
1273 | writel(ICOM_PORT->xmitRestart_pci, |
1274 | &ICOM_PORT->dram->XmitStatusAddr); |
1275 | trace(ICOM_PORT, "XR_ENAB", 0); |
1276 | writeb(CMD_XMIT_RCV_ENABLE, &ICOM_PORT->dram->CmdReg); |
1277 | |
1278 | spin_unlock_irqrestore(&port->lock, flags); |
1279 | } |
1280 | |
1281 | static const char *icom_type(struct uart_port *port) |
1282 | { |
1283 | return "icom"; |
1284 | } |
1285 | |
1286 | static void icom_release_port(struct uart_port *port) |
1287 | { |
1288 | } |
1289 | |
1290 | static int icom_request_port(struct uart_port *port) |
1291 | { |
1292 | return 0; |
1293 | } |
1294 | |
1295 | static void icom_config_port(struct uart_port *port, int flags) |
1296 | { |
1297 | port->type = PORT_ICOM; |
1298 | } |
1299 | |
1300 | static struct uart_ops icom_ops = { |
1301 | .tx_empty = icom_tx_empty, |
1302 | .set_mctrl = icom_set_mctrl, |
1303 | .get_mctrl = icom_get_mctrl, |
1304 | .stop_tx = icom_stop_tx, |
1305 | .start_tx = icom_start_tx, |
1306 | .send_xchar = icom_send_xchar, |
1307 | .stop_rx = icom_stop_rx, |
1308 | .enable_ms = icom_enable_ms, |
1309 | .break_ctl = icom_break, |
1310 | .startup = icom_open, |
1311 | .shutdown = icom_close, |
1312 | .set_termios = icom_set_termios, |
1313 | .type = icom_type, |
1314 | .release_port = icom_release_port, |
1315 | .request_port = icom_request_port, |
1316 | .config_port = icom_config_port, |
1317 | }; |
1318 | |
1319 | #define ICOM_CONSOLE NULL |
1320 | |
1321 | static struct uart_driver icom_uart_driver = { |
1322 | .owner = THIS_MODULE, |
1323 | .driver_name = ICOM_DRIVER_NAME, |
1324 | .dev_name = "ttyA", |
1325 | .major = ICOM_MAJOR, |
1326 | .minor = ICOM_MINOR_START, |
1327 | .nr = NR_PORTS, |
1328 | .cons = ICOM_CONSOLE, |
1329 | }; |
1330 | |
1331 | static int __devinit icom_init_ports(struct icom_adapter *icom_adapter) |
1332 | { |
1333 | u32 subsystem_id = icom_adapter->subsystem_id; |
1334 | int retval = 0; |
1335 | int i; |
1336 | struct icom_port *icom_port; |
1337 | |
1338 | if (icom_adapter->version == ADAPTER_V1) { |
1339 | icom_adapter->numb_ports = 2; |
1340 | |
1341 | for (i = 0; i < 2; i++) { |
1342 | icom_port = &icom_adapter->port_info[i]; |
1343 | icom_port->port = i; |
1344 | icom_port->status = ICOM_PORT_ACTIVE; |
1345 | icom_port->imbed_modem = ICOM_UNKNOWN; |
1346 | } |
1347 | } else { |
1348 | if (subsystem_id == PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL) { |
1349 | icom_adapter->numb_ports = 4; |
1350 | |
1351 | for (i = 0; i < 4; i++) { |
1352 | icom_port = &icom_adapter->port_info[i]; |
1353 | |
1354 | icom_port->port = i; |
1355 | icom_port->status = ICOM_PORT_ACTIVE; |
1356 | icom_port->imbed_modem = ICOM_IMBED_MODEM; |
1357 | } |
1358 | } else { |
1359 | icom_adapter->numb_ports = 4; |
1360 | |
1361 | icom_adapter->port_info[0].port = 0; |
1362 | icom_adapter->port_info[0].status = ICOM_PORT_ACTIVE; |
1363 | |
1364 | if (subsystem_id == |
1365 | PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM) { |
1366 | icom_adapter->port_info[0].imbed_modem = ICOM_IMBED_MODEM; |
1367 | } else { |
1368 | icom_adapter->port_info[0].imbed_modem = ICOM_RVX; |
1369 | } |
1370 | |
1371 | icom_adapter->port_info[1].status = ICOM_PORT_OFF; |
1372 | |
1373 | icom_adapter->port_info[2].port = 2; |
1374 | icom_adapter->port_info[2].status = ICOM_PORT_ACTIVE; |
1375 | icom_adapter->port_info[2].imbed_modem = ICOM_RVX; |
1376 | icom_adapter->port_info[3].status = ICOM_PORT_OFF; |
1377 | } |
1378 | } |
1379 | |
1380 | return retval; |
1381 | } |
1382 | |
1383 | static void icom_port_active(struct icom_port *icom_port, struct icom_adapter *icom_adapter, int port_num) |
1384 | { |
1385 | if (icom_adapter->version == ADAPTER_V1) { |
1386 | icom_port->global_reg = icom_adapter->base_addr + 0x4000; |
1387 | icom_port->int_reg = icom_adapter->base_addr + |
1388 | 0x4004 + 2 - 2 * port_num; |
1389 | } else { |
1390 | icom_port->global_reg = icom_adapter->base_addr + 0x8000; |
1391 | if (icom_port->port < 2) |
1392 | icom_port->int_reg = icom_adapter->base_addr + |
1393 | 0x8004 + 2 - 2 * icom_port->port; |
1394 | else |
1395 | icom_port->int_reg = icom_adapter->base_addr + |
1396 | 0x8024 + 2 - 2 * (icom_port->port - 2); |
1397 | } |
1398 | } |
1399 | static int __init icom_load_ports(struct icom_adapter *icom_adapter) |
1400 | { |
1401 | struct icom_port *icom_port; |
1402 | int port_num; |
1403 | int retval; |
1404 | |
1405 | for (port_num = 0; port_num < icom_adapter->numb_ports; port_num++) { |
1406 | |
1407 | icom_port = &icom_adapter->port_info[port_num]; |
1408 | |
1409 | if (icom_port->status == ICOM_PORT_ACTIVE) { |
1410 | icom_port_active(icom_port, icom_adapter, port_num); |
1411 | icom_port->dram = icom_adapter->base_addr + |
1412 | 0x2000 * icom_port->port; |
1413 | |
1414 | icom_port->adapter = icom_adapter; |
1415 | |
1416 | /* get port memory */ |
1417 | if ((retval = get_port_memory(icom_port)) != 0) { |
1418 | dev_err(&icom_port->adapter->pci_dev->dev, |
1419 | "Memory allocation for port FAILED\n"); |
1420 | } |
1421 | } |
1422 | } |
1423 | return 0; |
1424 | } |
1425 | |
1426 | static int __devinit icom_alloc_adapter(struct icom_adapter |
1427 | **icom_adapter_ref) |
1428 | { |
1429 | int adapter_count = 0; |
1430 | struct icom_adapter *icom_adapter; |
1431 | struct icom_adapter *cur_adapter_entry; |
1432 | struct list_head *tmp; |
1433 | |
1434 | icom_adapter = (struct icom_adapter *) |
1435 | kmalloc(sizeof(struct icom_adapter), GFP_KERNEL); |
1436 | |
1437 | if (!icom_adapter) { |
1438 | return -ENOMEM; |
1439 | } |
1440 | |
1441 | memset(icom_adapter, 0, sizeof(struct icom_adapter)); |
1442 | |
1443 | list_for_each(tmp, &icom_adapter_head) { |
1444 | cur_adapter_entry = |
1445 | list_entry(tmp, struct icom_adapter, |
1446 | icom_adapter_entry); |
1447 | if (cur_adapter_entry->index != adapter_count) { |
1448 | break; |
1449 | } |
1450 | adapter_count++; |
1451 | } |
1452 | |
1453 | icom_adapter->index = adapter_count; |
1454 | list_add_tail(&icom_adapter->icom_adapter_entry, tmp); |
1455 | |
1456 | *icom_adapter_ref = icom_adapter; |
1457 | return 0; |
1458 | } |
1459 | |
1460 | static void icom_free_adapter(struct icom_adapter *icom_adapter) |
1461 | { |
1462 | list_del(&icom_adapter->icom_adapter_entry); |
1463 | kfree(icom_adapter); |
1464 | } |
1465 | |
1466 | static void icom_remove_adapter(struct icom_adapter *icom_adapter) |
1467 | { |
1468 | struct icom_port *icom_port; |
1469 | int index; |
1470 | |
1471 | for (index = 0; index < icom_adapter->numb_ports; index++) { |
1472 | icom_port = &icom_adapter->port_info[index]; |
1473 | |
1474 | if (icom_port->status == ICOM_PORT_ACTIVE) { |
1475 | dev_info(&icom_adapter->pci_dev->dev, |
1476 | "Device removed\n"); |
1477 | |
1478 | uart_remove_one_port(&icom_uart_driver, |
1479 | &icom_port->uart_port); |
1480 | |
1481 | /* be sure that DTR and RTS are dropped */ |
1482 | writeb(0x00, &icom_port->dram->osr); |
1483 | |
1484 | /* Wait 0.1 Sec for simple Init to complete */ |
1485 | msleep(100); |
1486 | |
1487 | /* Stop proccessor */ |
1488 | stop_processor(icom_port); |
1489 | |
1490 | free_port_memory(icom_port); |
1491 | } |
1492 | } |
1493 | |
1494 | free_irq(icom_adapter->irq_number, (void *) icom_adapter); |
1495 | iounmap(icom_adapter->base_addr); |
1496 | icom_free_adapter(icom_adapter); |
1497 | pci_release_regions(icom_adapter->pci_dev); |
1498 | } |
1499 | |
1500 | static void icom_kobj_release(struct kobject *kobj) |
1501 | { |
1502 | struct icom_adapter *icom_adapter; |
1503 | |
1504 | icom_adapter = to_icom_adapter(kobj); |
1505 | icom_remove_adapter(icom_adapter); |
1506 | } |
1507 | |
1508 | static struct kobj_type icom_kobj_type = { |
1509 | .release = icom_kobj_release, |
1510 | }; |
1511 | |
1512 | static int __devinit icom_probe(struct pci_dev *dev, |
1513 | const struct pci_device_id *ent) |
1514 | { |
1515 | int index; |
1516 | unsigned int command_reg; |
1517 | int retval; |
1518 | struct icom_adapter *icom_adapter; |
1519 | struct icom_port *icom_port; |
1520 | |
1521 | retval = pci_enable_device(dev); |
1522 | if (retval) { |
1523 | dev_err(&dev->dev, "Device enable FAILED\n"); |
1524 | return retval; |
1525 | } |
1526 | |
1527 | if ( (retval = pci_request_regions(dev, "icom"))) { |
1528 | dev_err(&dev->dev, "pci_request_region FAILED\n"); |
1529 | pci_disable_device(dev); |
1530 | return retval; |
1531 | } |
1532 | |
1533 | pci_set_master(dev); |
1534 | |
1535 | if ( (retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg))) { |
1536 | dev_err(&dev->dev, "PCI Config read FAILED\n"); |
1537 | return retval; |
1538 | } |
1539 | |
1540 | pci_write_config_dword(dev, PCI_COMMAND, |
1541 | command_reg | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
1542 | | PCI_COMMAND_PARITY | PCI_COMMAND_SERR); |
1543 | |
1544 | if (ent->driver_data == ADAPTER_V1) { |
1545 | pci_write_config_dword(dev, 0x44, 0x8300830A); |
1546 | } else { |
1547 | pci_write_config_dword(dev, 0x44, 0x42004200); |
1548 | pci_write_config_dword(dev, 0x48, 0x42004200); |
1549 | } |
1550 | |
1551 | |
1552 | retval = icom_alloc_adapter(&icom_adapter); |
1553 | if (retval) { |
1554 | dev_err(&dev->dev, "icom_alloc_adapter FAILED\n"); |
1555 | retval = -EIO; |
1556 | goto probe_exit0; |
1557 | } |
1558 | |
1559 | icom_adapter->base_addr_pci = pci_resource_start(dev, 0); |
1560 | icom_adapter->irq_number = dev->irq; |
1561 | icom_adapter->pci_dev = dev; |
1562 | icom_adapter->version = ent->driver_data; |
1563 | icom_adapter->subsystem_id = ent->subdevice; |
1564 | |
1565 | |
1566 | retval = icom_init_ports(icom_adapter); |
1567 | if (retval) { |
1568 | dev_err(&dev->dev, "Port configuration failed\n"); |
1569 | goto probe_exit1; |
1570 | } |
1571 | |
1572 | icom_adapter->base_addr = ioremap(icom_adapter->base_addr_pci, |
1573 | pci_resource_len(dev, 0)); |
1574 | |
1575 | if (!icom_adapter->base_addr) |
1576 | goto probe_exit1; |
1577 | |
1578 | /* save off irq and request irq line */ |
1579 | if ( (retval = request_irq(dev->irq, icom_interrupt, |
1580 | SA_INTERRUPT | SA_SHIRQ, ICOM_DRIVER_NAME, |
1581 | (void *) icom_adapter))) { |
1582 | goto probe_exit2; |
1583 | } |
1584 | |
1585 | retval = icom_load_ports(icom_adapter); |
1586 | |
1587 | for (index = 0; index < icom_adapter->numb_ports; index++) { |
1588 | icom_port = &icom_adapter->port_info[index]; |
1589 | |
1590 | if (icom_port->status == ICOM_PORT_ACTIVE) { |
1591 | icom_port->uart_port.irq = icom_port->adapter->irq_number; |
1592 | icom_port->uart_port.type = PORT_ICOM; |
1593 | icom_port->uart_port.iotype = UPIO_MEM; |
1594 | icom_port->uart_port.membase = |
1595 | (char *) icom_adapter->base_addr_pci; |
1596 | icom_port->uart_port.fifosize = 16; |
1597 | icom_port->uart_port.ops = &icom_ops; |
1598 | icom_port->uart_port.line = |
1599 | icom_port->port + icom_adapter->index * 4; |
1600 | if (uart_add_one_port (&icom_uart_driver, &icom_port->uart_port)) { |
1601 | icom_port->status = ICOM_PORT_OFF; |
1602 | dev_err(&dev->dev, "Device add failed\n"); |
1603 | } else |
1604 | dev_info(&dev->dev, "Device added\n"); |
1605 | } |
1606 | } |
1607 | |
1608 | kobject_init(&icom_adapter->kobj); |
1609 | icom_adapter->kobj.ktype = &icom_kobj_type; |
1610 | return 0; |
1611 | |
1612 | probe_exit2: |
1613 | iounmap(icom_adapter->base_addr); |
1614 | probe_exit1: |
1615 | icom_free_adapter(icom_adapter); |
1616 | |
1617 | probe_exit0: |
1618 | pci_release_regions(dev); |
1619 | pci_disable_device(dev); |
1620 | |
1621 | return retval; |
1622 | |
1623 | |
1624 | } |
1625 | |
1626 | static void __devexit icom_remove(struct pci_dev *dev) |
1627 | { |
1628 | struct icom_adapter *icom_adapter; |
1629 | struct list_head *tmp; |
1630 | |
1631 | list_for_each(tmp, &icom_adapter_head) { |
1632 | icom_adapter = list_entry(tmp, struct icom_adapter, |
1633 | icom_adapter_entry); |
1634 | if (icom_adapter->pci_dev == dev) { |
1635 | kobject_put(&icom_adapter->kobj); |
1636 | return; |
1637 | } |
1638 | } |
1639 | |
1640 | dev_err(&dev->dev, "Unable to find device to remove\n"); |
1641 | } |
1642 | |
1643 | static struct pci_driver icom_pci_driver = { |
1644 | .name = ICOM_DRIVER_NAME, |
1645 | .id_table = icom_pci_table, |
1646 | .probe = icom_probe, |
1647 | .remove = __devexit_p(icom_remove), |
1648 | }; |
1649 | |
1650 | static int __init icom_init(void) |
1651 | { |
1652 | int ret; |
1653 | |
1654 | spin_lock_init(&icom_lock); |
1655 | |
1656 | ret = uart_register_driver(&icom_uart_driver); |
1657 | if (ret) |
1658 | return ret; |
1659 | |
1660 | ret = pci_register_driver(&icom_pci_driver); |
1661 | |
1662 | if (ret < 0) |
1663 | uart_unregister_driver(&icom_uart_driver); |
1664 | |
1665 | return ret; |
1666 | } |
1667 | |
1668 | static void __exit icom_exit(void) |
1669 | { |
1670 | pci_unregister_driver(&icom_pci_driver); |
1671 | uart_unregister_driver(&icom_uart_driver); |
1672 | } |
1673 | |
1674 | module_init(icom_init); |
1675 | module_exit(icom_exit); |
1676 | |
1677 | #ifdef ICOM_TRACE |
1678 | static inline void trace(struct icom_port *icom_port, char *trace_pt, |
1679 | unsigned long trace_data) |
1680 | { |
1681 | dev_info(&icom_port->adapter->pci_dev->dev, ":%d:%s - %lx\n", |
1682 | icom_port->port, trace_pt, trace_data); |
1683 | } |
1684 | #endif |
1685 | |
1686 | MODULE_AUTHOR("Michael Anderson <mjanders@us.ibm.com>"); |
1687 | MODULE_DESCRIPTION("IBM iSeries Serial IOA driver"); |
1688 | MODULE_SUPPORTED_DEVICE |
1689 | ("IBM iSeries 2745, 2771, 2772, 2742, 2793 and 2805 Communications adapters"); |
1690 | MODULE_LICENSE("GPL"); |
1691 |