1 /*****************************************************************
5 * Description: Driver for the Toshiba OBOE (or type-O or 701)
6 * FIR Chipset, also supports the DONAUOBOE (type-DO
7 * or d01) FIR chipset which as far as I know is
9 * Documentation: http://libxg.free.fr/irda/lib-irda.html
10 * Status: Experimental.
11 * Author: James McKenzie <james@fishsoup.dhs.org>
12 * Created at: Sat May 8 12:35:27 1999
13 * Modified: Paul Bristow <paul.bristow@technologist.com>
14 * Modified: Mon Nov 11 19:10:05 1999
15 * Modified: James McKenzie <james@fishsoup.dhs.org>
16 * Modified: Thu Mar 16 12:49:00 2000 (Substantial rewrite)
17 * Modified: Sat Apr 29 00:23:03 2000 (Added DONAUOBOE support)
18 * Modified: Wed May 24 23:45:02 2000 (Fixed chipio_t structure)
19 * Modified: 2.13 Christian Gennerat <christian.gennerat@polytechnique.org>
20 * Modified: 2.13 dim jan 07 21:57:39 2001 (tested with kernel 2.4 & irnet/ppp)
21 * Modified: 2.14 Christian Gennerat <christian.gennerat@polytechnique.org>
22 * Modified: 2.14 lun fev 05 17:55:59 2001 (adapted to patch-2.4.1-pre8-irda1)
23 * Modified: 2.15 Martin Lucina <mato@kotelna.sk>
24 * Modified: 2.15 Fri Jun 21 20:40:59 2002 (sync with 2.4.18, substantial fixes)
25 * Modified: 2.16 Martin Lucina <mato@kotelna.sk>
26 * Modified: 2.16 Sat Jun 22 18:54:29 2002 (fix freeregion, default to verbose)
27 * Modified: 2.17 Christian Gennerat <christian.gennerat@polytechnique.org>
28 * Modified: 2.17 jeu sep 12 08:50:20 2002 (save_flags();cli(); replaced by spinlocks)
29 * Modified: 2.18 Christian Gennerat <christian.gennerat@polytechnique.org>
30 * Modified: 2.18 ven jan 10 03:14:16 2003 Change probe default options
32 * Copyright (c) 1999 James McKenzie, All Rights Reserved.
34 * This program is free software; you can redistribute it and/or
35 * modify it under the terms of the GNU General Public License as
36 * published by the Free Software Foundation; either version 2 of
37 * the License, or (at your option) any later version.
39 * Neither James McKenzie nor Cambridge University admit liability nor
40 * provide warranty for any of this software. This material is
41 * provided "AS-IS" and at no charge.
43 * Applicable Models : Libretto 100/110CT and many more.
44 * Toshiba refers to this chip as the type-O IR port,
45 * or the type-DO IR port.
47 ********************************************************************/
49 /* Look at toshoboe.h (currently in include/net/irda) for details of */
50 /* Where to get documentation on the chip */
52 /* See below for a description of the logic in this driver */
54 /* User servicable parts */
55 /* USE_PROBE Create the code which probes the chip and does a few tests */
56 /* do_probe module parameter Enable this code */
57 /* Probe code is very useful for understanding how the hardware works */
58 /* Use it with various combinations of TT_LEN, RX_LEN */
59 /* Strongly recomended, disable if the probe fails on your machine */
60 /* and send me <james@fishsoup.dhs.org> the output of dmesg */
64 /* Trace Transmit ring, interrupts, Receive ring or not ? */
65 #define PROBE_VERBOSE 1
67 /* Debug option, examine sent and received raw data */
68 /* Irdadump is better, but does not see all packets. enable it if you want. */
71 /* MIR mode has not been tested. Some behaviour is different */
72 /* Seems to work against an Ericsson R520 for me. -Martin */
75 /* Schedule back to back hardware transmits wherever possible, otherwise */
76 /* we need an interrupt for every frame, unset if oboe works for a bit and */
80 /* Set the number of slots in the rings */
81 /* If you get rx/tx fifo overflows at high bitrates, you can try increasing */
84 #define RING_SIZE (OBOE_RING_SIZE_RX8 | OBOE_RING_SIZE_TX8)
89 /* Less user servicable parts below here */
91 /* Test, Transmit and receive buffer sizes, adjust at your peril */
92 /* remarks: nfs usually needs 1k blocks */
93 /* remarks: in SIR mode, CRC is received, -> RX_LEN=TX_LEN+2 */
94 /* remarks: test accepts large blocks. Standard is 0x80 */
95 /* When TT_LEN > RX_LEN (SIR mode) data is stored in successive slots. */
96 /* When 3 or more slots are needed for each test packet, */
97 /* data received in the first slots is overwritten, even */
98 /* if OBOE_CTL_RX_HW_OWNS is not set, without any error! */
102 /* Real transmitted length (SIR mode) is about 14+(2%*TX_LEN) more */
103 /* long than user-defined length (see async_wrap_skb) and is less then 4K */
104 /* Real received length is (max RX_LEN) differs from user-defined */
105 /* length only b the CRC (2 or 4 bytes) */
106 #define BUF_SAFETY 0x7a
107 #define RX_BUF_SZ (RX_LEN)
108 #define TX_BUF_SZ (TX_LEN+BUF_SAFETY)
111 /* Logic of the netdev part of this driver */
113 /* The RX ring is filled with buffers, when a packet arrives */
114 /* it is DMA'd into the buffer which is marked used and RxDone called */
115 /* RxDone forms an skb (and checks the CRC if in SIR mode) and ships */
116 /* the packet off upstairs */
118 /* The transmitter on the oboe chip can work in one of two modes */
119 /* for each ring->tx[] the transmitter can either */
120 /* a) transmit the packet, leave the trasmitter enabled and proceed to */
123 /* b) transmit the packet, switch off the transmitter and issue TxDone */
125 /* All packets are entered into the ring in mode b), if the ring was */
126 /* empty the transmitter is started. */
128 /* If OPTIMIZE_TX is defined then in TxDone if the ring contains */
129 /* more than one packet, all but the last are set to mode a) [HOWEVER */
130 /* the hardware may not notice this, this is why we start in mode b) ] */
131 /* then restart the transmitter */
133 /* If OPTIMIZE_TX is not defined then we just restart the transmitter */
134 /* if the ring isn't empty */
136 /* Speed changes are delayed until the TxRing is empty */
137 /* mtt is handled by generating packets with bad CRCs, before the data */
140 /* check the mtt works ok */
141 /* finish the watchdog */
143 /* No user servicable parts below here */
145 #include <linux/module.h>
147 #include <linux/kernel.h>
148 #include <linux/types.h>
149 #include <linux/skbuff.h>
150 #include <linux/netdevice.h>
151 #include <linux/ioport.h>
152 #include <linux/delay.h>
153 #include <linux/slab.h>
154 #include <linux/init.h>
155 #include <linux/pci.h>
156 #include <linux/rtnetlink.h>
158 #include <asm/system.h>
161 #include <net/irda/wrapper.h>
162 #include <net/irda/irda.h>
163 //#include <net/irda/irmod.h>
164 //#include <net/irda/irlap_frame.h>
165 #include <net/irda/irda_device.h>
166 #include <net/irda/crc.h>
168 #include "donauboe.h"
170 #define INB(port) inb_p(port)
171 #define OUTB(val,port) outb_p(val,port)
172 #define OUTBP(val,port) outb_p(val,port)
174 #define PROMPT OUTB(OBOE_PROMPT_BIT,OBOE_PROMPT);
177 #define PROBE_DEBUG(args...) (printk (args))
179 #define PROBE_DEBUG(args...) ;
182 /* Set the DMA to be byte at a time */
183 #define CONFIG0H_DMA_OFF OBOE_CONFIG0H_RCVANY
184 #define CONFIG0H_DMA_ON_NORX CONFIG0H_DMA_OFF| OBOE_CONFIG0H_ENDMAC
185 #define CONFIG0H_DMA_ON CONFIG0H_DMA_ON_NORX | OBOE_CONFIG0H_ENRX
187 static struct pci_device_id toshoboe_pci_tbl[] = {
188 { PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_FIR701, PCI_ANY_ID, PCI_ANY_ID, },
189 { PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_FIRD01, PCI_ANY_ID, PCI_ANY_ID, },
190 { } /* Terminating entry */
192 MODULE_DEVICE_TABLE(pci, toshoboe_pci_tbl);
194 #define DRIVER_NAME "toshoboe"
195 static char *driver_name = DRIVER_NAME;
197 static int max_baud = 4000000;
199 static int do_probe = 0;
203 /**********************************************************************/
205 toshoboe_checkfcs (unsigned char *buf, int len)
215 fcs.value = INIT_FCS;
217 for (i = 0; i < len; ++i)
218 fcs.value = irda_fcs (fcs.value, *(buf++));
220 return (fcs.value == GOOD_FCS);
223 /***********************************************************************/
224 /* Generic chip handling code */
226 static unsigned char dump[50];
228 _dumpbufs (unsigned char *data, int len, char tete)
232 for (i=0;i<len;i+=16) {
233 for (j=0;j<16 && i+j<len;j++) { sprintf(&dump[3*j],"%02x.",data[i+j]); }
235 IRDA_DEBUG (2, "%c%s\n",head , dump);
242 /* Dump the registers */
244 toshoboe_dumpregs (struct toshoboe_cb *self)
248 IRDA_DEBUG (4, "%s()\n", __func__);
250 ringbase = INB (OBOE_RING_BASE0) << 10;
251 ringbase |= INB (OBOE_RING_BASE1) << 18;
252 ringbase |= INB (OBOE_RING_BASE2) << 26;
254 printk (KERN_ERR DRIVER_NAME ": Register dump:\n");
255 printk (KERN_ERR "Interrupts: Tx:%d Rx:%d TxUnder:%d RxOver:%d Sip:%d\n",
256 self->int_tx, self->int_rx, self->int_txunder, self->int_rxover,
258 printk (KERN_ERR "RX %02x TX %02x RingBase %08x\n",
259 INB (OBOE_RXSLOT), INB (OBOE_TXSLOT), ringbase);
260 printk (KERN_ERR "RING_SIZE %02x IER %02x ISR %02x\n",
261 INB (OBOE_RING_SIZE), INB (OBOE_IER), INB (OBOE_ISR));
262 printk (KERN_ERR "CONFIG1 %02x STATUS %02x\n",
263 INB (OBOE_CONFIG1), INB (OBOE_STATUS));
264 printk (KERN_ERR "CONFIG0 %02x%02x ENABLE %02x%02x\n",
265 INB (OBOE_CONFIG0H), INB (OBOE_CONFIG0L),
266 INB (OBOE_ENABLEH), INB (OBOE_ENABLEL));
267 printk (KERN_ERR "NEW_PCONFIG %02x%02x CURR_PCONFIG %02x%02x\n",
268 INB (OBOE_NEW_PCONFIGH), INB (OBOE_NEW_PCONFIGL),
269 INB (OBOE_CURR_PCONFIGH), INB (OBOE_CURR_PCONFIGL));
270 printk (KERN_ERR "MAXLEN %02x%02x RXCOUNT %02x%02x\n",
271 INB (OBOE_MAXLENH), INB (OBOE_MAXLENL),
272 INB (OBOE_RXCOUNTL), INB (OBOE_RXCOUNTH));
277 ringbase = virt_to_bus (self->ring);
278 printk (KERN_ERR "Ring at %08x:\n", ringbase);
279 printk (KERN_ERR "RX:");
280 for (i = 0; i < RX_SLOTS; ++i)
281 printk (" (%d,%02x)",self->ring->rx[i].len,self->ring->rx[i].control);
283 printk (KERN_ERR "TX:");
284 for (i = 0; i < RX_SLOTS; ++i)
285 printk (" (%d,%02x)",self->ring->tx[i].len,self->ring->tx[i].control);
291 /*Don't let the chip look at memory */
293 toshoboe_disablebm (struct toshoboe_cb *self)
296 IRDA_DEBUG (4, "%s()\n", __func__);
298 pci_read_config_byte (self->pdev, PCI_COMMAND, &command);
299 command &= ~PCI_COMMAND_MASTER;
300 pci_write_config_byte (self->pdev, PCI_COMMAND, command);
304 /* Shutdown the chip and point the taskfile reg somewhere else */
306 toshoboe_stopchip (struct toshoboe_cb *self)
308 IRDA_DEBUG (4, "%s()\n", __func__);
310 /*Disable interrupts */
311 OUTB (0x0, OBOE_IER);
312 /*Disable DMA, Disable Rx, Disable Tx */
313 OUTB (CONFIG0H_DMA_OFF, OBOE_CONFIG0H);
314 /*Disable SIR MIR FIR, Tx and Rx */
315 OUTB (0x00, OBOE_ENABLEH);
316 /*Point the ring somewhere safe */
317 OUTB (0x3f, OBOE_RING_BASE2);
318 OUTB (0xff, OBOE_RING_BASE1);
319 OUTB (0xff, OBOE_RING_BASE0);
321 OUTB (RX_LEN >> 8, OBOE_MAXLENH);
322 OUTB (RX_LEN & 0xff, OBOE_MAXLENL);
324 /*Acknoledge any pending interrupts */
325 OUTB (0xff, OBOE_ISR);
328 OUTB (OBOE_ENABLEH_PHYANDCLOCK, OBOE_ENABLEH);
331 OUTB (OBOE_CONFIG1_OFF, OBOE_CONFIG1);
333 toshoboe_disablebm (self);
336 /* Transmitter initialization */
338 toshoboe_start_DMA (struct toshoboe_cb *self, int opts)
340 OUTB (0x0, OBOE_ENABLEH);
341 OUTB (CONFIG0H_DMA_ON | opts, OBOE_CONFIG0H);
342 OUTB (OBOE_ENABLEH_PHYANDCLOCK, OBOE_ENABLEH);
346 /*Set the baud rate */
348 toshoboe_setbaud (struct toshoboe_cb *self)
353 IRDA_DEBUG (2, "%s(%d/%d)\n", __func__, self->speed, self->io.speed);
371 printk (KERN_ERR DRIVER_NAME ": switch to unsupported baudrate %d\n",
378 /* For SIR the preamble is done by adding XBOFs */
380 /* set to filtered SIR mode, filter looks for BOF and EOF */
382 pconfig |= 47 << OBOE_PCONFIG_BAUDSHIFT;
383 pconfig |= 25 << OBOE_PCONFIG_WIDTHSHIFT;
386 pconfig |= 23 << OBOE_PCONFIG_BAUDSHIFT;
387 pconfig |= 25 << OBOE_PCONFIG_WIDTHSHIFT;
390 pconfig |= 11 << OBOE_PCONFIG_BAUDSHIFT;
391 pconfig |= 25 << OBOE_PCONFIG_WIDTHSHIFT;
394 pconfig |= 5 << OBOE_PCONFIG_BAUDSHIFT;
395 pconfig |= 25 << OBOE_PCONFIG_WIDTHSHIFT;
398 pconfig |= 2 << OBOE_PCONFIG_BAUDSHIFT;
399 pconfig |= 25 << OBOE_PCONFIG_WIDTHSHIFT;
402 pconfig |= 1 << OBOE_PCONFIG_BAUDSHIFT;
403 pconfig |= 25 << OBOE_PCONFIG_WIDTHSHIFT;
406 pconfig |= 0 << OBOE_PCONFIG_BAUDSHIFT;
407 pconfig |= 25 << OBOE_PCONFIG_WIDTHSHIFT;
410 /*Set to packet based reception */
411 OUTB (RX_LEN >> 8, OBOE_MAXLENH);
412 OUTB (RX_LEN & 0xff, OBOE_MAXLENL);
425 config0l = OBOE_CONFIG0L_ENSIR;
428 /*Set to character based reception */
429 /*System will lock if MAXLEN=0 */
430 /*so have to be careful */
431 OUTB (0x01, OBOE_MAXLENH);
432 OUTB (0x01, OBOE_MAXLENL);
433 OUTB (0x00, OBOE_MAXLENH);
437 /*Set to packet based reception */
438 config0l |= OBOE_CONFIG0L_ENSIRF;
439 OUTB (RX_LEN >> 8, OBOE_MAXLENH);
440 OUTB (RX_LEN & 0xff, OBOE_MAXLENL);
446 /* Set for 16 bit CRC and enable MIR */
447 /* Preamble now handled by the chip */
449 pconfig |= 0 << OBOE_PCONFIG_BAUDSHIFT;
450 pconfig |= 8 << OBOE_PCONFIG_WIDTHSHIFT;
451 pconfig |= 1 << OBOE_PCONFIG_PREAMBLESHIFT;
452 config0l = OBOE_CONFIG0L_CRC16 | OBOE_CONFIG0L_ENMIR;
456 /* Set for 32 bit CRC and enable FIR */
457 /* Preamble handled by the chip */
459 pconfig |= 0 << OBOE_PCONFIG_BAUDSHIFT;
460 /* Documentation says 14, but toshiba use 15 in their drivers */
461 pconfig |= 15 << OBOE_PCONFIG_PREAMBLESHIFT;
462 config0l = OBOE_CONFIG0L_ENFIR;
466 /* Copy into new PHY config buffer */
467 OUTBP (pconfig >> 8, OBOE_NEW_PCONFIGH);
468 OUTB (pconfig & 0xff, OBOE_NEW_PCONFIGL);
469 OUTB (config0l, OBOE_CONFIG0L);
471 /* Now make OBOE copy from new PHY to current PHY */
472 OUTB (0x0, OBOE_ENABLEH);
473 OUTB (OBOE_ENABLEH_PHYANDCLOCK, OBOE_ENABLEH);
476 /* speed change executed */
478 self->io.speed = self->speed;
481 /*Let the chip look at memory */
483 toshoboe_enablebm (struct toshoboe_cb *self)
485 IRDA_DEBUG (4, "%s()\n", __func__);
486 pci_set_master (self->pdev);
491 toshoboe_initring (struct toshoboe_cb *self)
495 IRDA_DEBUG (4, "%s()\n", __func__);
497 for (i = 0; i < TX_SLOTS; ++i)
499 self->ring->tx[i].len = 0;
500 self->ring->tx[i].control = 0x00;
501 self->ring->tx[i].address = virt_to_bus (self->tx_bufs[i]);
504 for (i = 0; i < RX_SLOTS; ++i)
506 self->ring->rx[i].len = RX_LEN;
507 self->ring->rx[i].len = 0;
508 self->ring->rx[i].address = virt_to_bus (self->rx_bufs[i]);
509 self->ring->rx[i].control = OBOE_CTL_RX_HW_OWNS;
514 toshoboe_resetptrs (struct toshoboe_cb *self)
516 /* Can reset pointers by twidling DMA */
517 OUTB (0x0, OBOE_ENABLEH);
518 OUTBP (CONFIG0H_DMA_OFF, OBOE_CONFIG0H);
519 OUTB (OBOE_ENABLEH_PHYANDCLOCK, OBOE_ENABLEH);
521 self->rxs = inb_p (OBOE_RXSLOT) & OBOE_SLOT_MASK;
522 self->txs = inb_p (OBOE_TXSLOT) & OBOE_SLOT_MASK;
525 /* Called in locked state */
527 toshoboe_initptrs (struct toshoboe_cb *self)
530 /* spin_lock_irqsave(self->spinlock, flags); */
531 /* save_flags (flags); */
533 /* Can reset pointers by twidling DMA */
534 toshoboe_resetptrs (self);
536 OUTB (0x0, OBOE_ENABLEH);
537 OUTB (CONFIG0H_DMA_ON, OBOE_CONFIG0H);
538 OUTB (OBOE_ENABLEH_PHYANDCLOCK, OBOE_ENABLEH);
542 /* spin_unlock_irqrestore(self->spinlock, flags); */
543 /* restore_flags (flags); */
546 /* Wake the chip up and get it looking at the rings */
547 /* Called in locked state */
549 toshoboe_startchip (struct toshoboe_cb *self)
553 IRDA_DEBUG (4, "%s()\n", __func__);
555 toshoboe_initring (self);
556 toshoboe_enablebm (self);
557 OUTBP (OBOE_CONFIG1_RESET, OBOE_CONFIG1);
558 OUTBP (OBOE_CONFIG1_ON, OBOE_CONFIG1);
560 /* Stop the clocks */
561 OUTB (0, OBOE_ENABLEH);
563 /*Set size of rings */
564 OUTB (RING_SIZE, OBOE_RING_SIZE);
566 /*Acknoledge any pending interrupts */
567 OUTB (0xff, OBOE_ISR);
570 OUTB (OBOE_INT_TXDONE | OBOE_INT_RXDONE |
571 OBOE_INT_TXUNDER | OBOE_INT_RXOVER | OBOE_INT_SIP , OBOE_IER);
573 /*Acknoledge any pending interrupts */
574 OUTB (0xff, OBOE_ISR);
576 /*Set the maximum packet length to 0xfff (4095) */
577 OUTB (RX_LEN >> 8, OBOE_MAXLENH);
578 OUTB (RX_LEN & 0xff, OBOE_MAXLENL);
581 OUTB (CONFIG0H_DMA_OFF, OBOE_CONFIG0H);
583 /*Find out where the rings live */
584 physaddr = virt_to_bus (self->ring);
586 IRDA_ASSERT ((physaddr & 0x3ff) == 0,
587 printk (KERN_ERR DRIVER_NAME "ring not correctly aligned\n");
590 OUTB ((physaddr >> 10) & 0xff, OBOE_RING_BASE0);
591 OUTB ((physaddr >> 18) & 0xff, OBOE_RING_BASE1);
592 OUTB ((physaddr >> 26) & 0x3f, OBOE_RING_BASE2);
594 /*Enable DMA controller in byte mode and RX */
595 OUTB (CONFIG0H_DMA_ON, OBOE_CONFIG0H);
597 /* Start up the clocks */
598 OUTB (OBOE_ENABLEH_PHYANDCLOCK, OBOE_ENABLEH);
600 /*set to sensible speed */
602 toshoboe_setbaud (self);
603 toshoboe_initptrs (self);
607 toshoboe_isntstuck (struct toshoboe_cb *self)
612 toshoboe_checkstuck (struct toshoboe_cb *self)
618 spin_lock_irqsave(&self->spinlock, flags);
620 /* This will reset the chip completely */
621 printk (KERN_ERR DRIVER_NAME ": Resetting chip\n");
623 toshoboe_stopchip (self);
624 toshoboe_startchip (self);
625 spin_unlock_irqrestore(&self->spinlock, flags);
629 /*Generate packet of about mtt us long */
631 toshoboe_makemttpacket (struct toshoboe_cb *self, void *buf, int mtt)
635 xbofs = ((int) (mtt/100)) * (int) (self->speed);
636 xbofs=xbofs/80000; /*Eight bits per byte, and mtt is in us*/
639 IRDA_DEBUG (2, DRIVER_NAME
640 ": generated mtt of %d bytes for %d us at %d baud\n"
641 , xbofs,mtt,self->speed);
645 printk (KERN_ERR DRIVER_NAME ": wanted %d bytes MTT but TX_LEN is %d\n",
650 /*xbofs will do for SIR, MIR and FIR,SIR mode doesn't generate a checksum anyway */
651 memset (buf, XBOF, xbofs);
657 /***********************************************************************/
661 toshoboe_dumptx (struct toshoboe_cb *self)
664 PROBE_DEBUG(KERN_WARNING "TX:");
665 for (i = 0; i < RX_SLOTS; ++i)
666 PROBE_DEBUG(" (%d,%02x)",self->ring->tx[i].len,self->ring->tx[i].control);
667 PROBE_DEBUG(" [%d]\n",self->speed);
671 toshoboe_dumprx (struct toshoboe_cb *self, int score)
674 PROBE_DEBUG(" %d\nRX:",score);
675 for (i = 0; i < RX_SLOTS; ++i)
676 PROBE_DEBUG(" (%d,%02x)",self->ring->rx[i].len,self->ring->rx[i].control);
681 stuff_byte (__u8 byte, __u8 * buf)
685 case BOF: /* FALLTHROUGH */
686 case EOF: /* FALLTHROUGH */
688 /* Insert transparently coded */
689 buf[0] = CE; /* Send link escape */
690 buf[1] = byte ^ IRDA_TRANS; /* Complement bit 5 */
694 /* Non-special value, no transparency required */
702 toshoboe_probeinterrupt (int irq, void *dev_id)
704 struct toshoboe_cb *self = dev_id;
707 irqstat = INB (OBOE_ISR);
710 if (!(irqstat & OBOE_INT_MASK))
713 /* Ack all the interrupts */
714 OUTB (irqstat, OBOE_ISR);
716 if (irqstat & OBOE_INT_TXDONE)
723 txp = INB (OBOE_TXSLOT) & OBOE_SLOT_MASK;
724 if (self->ring->tx[txp].control & OBOE_CTL_TX_HW_OWNS)
728 toshoboe_start_DMA(self, OBOE_CONFIG0H_ENTX | OBOE_CONFIG0H_LOOP);
732 if (irqstat & OBOE_INT_RXDONE) {
735 if (irqstat & OBOE_INT_TXUNDER) {
738 if (irqstat & OBOE_INT_RXOVER) {
741 if (irqstat & OBOE_INT_SIP) {
748 toshoboe_maketestpacket (unsigned char *buf, int badcrc, int fir)
761 memset (buf, 0, TT_LEN);
765 fcs.value = INIT_FCS;
767 memset (buf, XBOF, 10);
771 for (i = 0; i < TT_LEN; ++i)
773 len += stuff_byte (i, buf + len);
774 fcs.value = irda_fcs (fcs.value, i);
777 len += stuff_byte (fcs.bytes[0] ^ badcrc, buf + len);
778 len += stuff_byte (fcs.bytes[1] ^ badcrc, buf + len);
785 toshoboe_probefail (struct toshoboe_cb *self, char *msg)
787 printk (KERN_ERR DRIVER_NAME "probe(%d) failed %s\n",self-> speed, msg);
788 toshoboe_dumpregs (self);
789 toshoboe_stopchip (self);
790 free_irq (self->io.irq, (void *) self);
795 toshoboe_numvalidrcvs (struct toshoboe_cb *self)
798 for (i = 0; i < RX_SLOTS; ++i)
799 if ((self->ring->rx[i].control & 0xe0) == 0)
806 toshoboe_numrcvs (struct toshoboe_cb *self)
809 for (i = 0; i < RX_SLOTS; ++i)
810 if (!(self->ring->rx[i].control & OBOE_CTL_RX_HW_OWNS))
817 toshoboe_probe (struct toshoboe_cb *self)
821 int bauds[] = { 9600, 115200, 4000000, 1152000 };
823 int bauds[] = { 9600, 115200, 4000000 };
827 IRDA_DEBUG (4, "%s()\n", __func__);
829 if (request_irq (self->io.irq, toshoboe_probeinterrupt,
830 self->io.irqflags, "toshoboe", (void *) self))
832 printk (KERN_ERR DRIVER_NAME ": probe failed to allocate irq %d\n",
837 /* test 1: SIR filter and back to back */
839 for (j = 0; j < ARRAY_SIZE(bauds); ++j)
842 toshoboe_stopchip (self);
845 spin_lock_irqsave(&self->spinlock, flags);
846 /*Address is already setup */
847 toshoboe_startchip (self);
848 self->int_rx = self->int_tx = 0;
849 self->speed = bauds[j];
850 toshoboe_setbaud (self);
851 toshoboe_initptrs (self);
852 spin_unlock_irqrestore(&self->spinlock, flags);
854 self->ring->tx[self->txs].control =
855 /* (FIR only) OBOE_CTL_TX_SIP needed for switching to next slot */
856 /* MIR: all received data is stored in one slot */
857 (fir) ? OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_RTCENTX
858 : OBOE_CTL_TX_HW_OWNS ;
859 self->ring->tx[self->txs].len =
860 toshoboe_maketestpacket (self->tx_bufs[self->txs], 0, fir);
862 self->txs %= TX_SLOTS;
864 self->ring->tx[self->txs].control =
865 (fir) ? OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_SIP
866 : OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_RTCENTX ;
867 self->ring->tx[self->txs].len =
868 toshoboe_maketestpacket (self->tx_bufs[self->txs], 0, fir);
870 self->txs %= TX_SLOTS;
872 self->ring->tx[self->txs].control =
873 (fir) ? OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_RTCENTX
874 : OBOE_CTL_TX_HW_OWNS ;
875 self->ring->tx[self->txs].len =
876 toshoboe_maketestpacket (self->tx_bufs[self->txs], 0, fir);
878 self->txs %= TX_SLOTS;
880 self->ring->tx[self->txs].control =
881 (fir) ? OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_RTCENTX
882 | OBOE_CTL_TX_SIP | OBOE_CTL_TX_BAD_CRC
883 : OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_RTCENTX ;
884 self->ring->tx[self->txs].len =
885 toshoboe_maketestpacket (self->tx_bufs[self->txs], 0, fir);
887 self->txs %= TX_SLOTS;
889 toshoboe_dumptx (self);
890 /* Turn on TX and RX and loopback */
891 toshoboe_start_DMA(self, OBOE_CONFIG0H_ENTX | OBOE_CONFIG0H_LOOP);
895 while (toshoboe_numvalidrcvs (self) != n)
898 return toshoboe_probefail (self, "filter test");
899 udelay ((9600*(TT_LEN+16))/self->speed);
904 while ((toshoboe_numrcvs(self) != self->int_rx) || (self->int_tx != n))
907 return toshoboe_probefail (self, "interrupt test");
908 udelay ((9600*(TT_LEN+16))/self->speed);
911 toshoboe_dumprx (self,i);
915 /* test 2: SIR in char at a time */
917 toshoboe_stopchip (self);
918 self->int_rx = self->int_tx = 0;
920 spin_lock_irqsave(&self->spinlock, flags);
921 toshoboe_startchip (self);
922 spin_unlock_irqrestore(&self->spinlock, flags);
925 self->speed = 115200;
926 toshoboe_setbaud (self);
927 self->ring->tx[self->txs].control =
928 OBOE_CTL_TX_RTCENTX | OBOE_CTL_TX_HW_OWNS;
929 self->ring->tx[self->txs].len = 4;
931 ((unsigned char *) self->tx_bufs[self->txs])[0] = 'f';
932 ((unsigned char *) self->tx_bufs[self->txs])[1] = 'i';
933 ((unsigned char *) self->tx_bufs[self->txs])[2] = 's';
934 ((unsigned char *) self->tx_bufs[self->txs])[3] = 'h';
935 toshoboe_dumptx (self);
936 toshoboe_start_DMA(self, OBOE_CONFIG0H_ENTX | OBOE_CONFIG0H_LOOP);
939 while (toshoboe_numvalidrcvs (self) != 4)
942 return toshoboe_probefail (self, "Async test");
947 while ((toshoboe_numrcvs (self) != self->int_rx) || (self->int_tx != 1))
950 return toshoboe_probefail (self, "Async interrupt test");
954 toshoboe_dumprx (self,i);
958 toshoboe_setbaud (self);
959 toshoboe_stopchip (self);
961 free_irq (self->io.irq, (void *) self);
963 printk (KERN_WARNING DRIVER_NAME ": Self test passed ok\n");
969 /******************************************************************/
970 /* Netdev style code */
972 /* Transmit something */
974 toshoboe_hard_xmit (struct sk_buff *skb, struct net_device *dev)
976 struct toshoboe_cb *self;
980 struct irda_skb_cb *cb = (struct irda_skb_cb *) skb->cb;
982 self = netdev_priv(dev);
984 IRDA_ASSERT (self != NULL, return 0; );
986 IRDA_DEBUG (1, "%s.tx:%x(%x)%x\n", __func__
987 ,skb->len,self->txpending,INB (OBOE_ENABLEH));
989 IRDA_DEBUG (2, "%s.Not IrLAP:%x\n", __func__, cb->magic);
991 _dumpbufs(skb->data,skb->len,'>');
995 /* change speed pending, wait for its execution */
999 /* device stopped (apm) wait for restart */
1003 toshoboe_checkstuck (self);
1005 dev->trans_start = jiffies;
1007 /* Check if we need to change the speed */
1008 /* But not now. Wait after transmission if mtt not required */
1009 speed=irda_get_next_speed(skb);
1010 if ((speed != self->io.speed) && (speed != -1))
1012 spin_lock_irqsave(&self->spinlock, flags);
1014 if (self->txpending || skb->len)
1016 self->new_speed = speed;
1017 IRDA_DEBUG (1, "%s: Queued TxDone scheduled speed change %d\n" ,
1019 /* if no data, that's all! */
1022 spin_unlock_irqrestore(&self->spinlock, flags);
1023 dev_kfree_skb (skb);
1026 /* True packet, go on, but */
1027 /* do not accept anything before change speed execution */
1028 netif_stop_queue(dev);
1029 /* ready to process TxDone interrupt */
1030 spin_unlock_irqrestore(&self->spinlock, flags);
1034 /* idle and no data, change speed now */
1035 self->speed = speed;
1036 toshoboe_setbaud (self);
1037 spin_unlock_irqrestore(&self->spinlock, flags);
1038 dev_kfree_skb (skb);
1044 if ((mtt = irda_get_mtt(skb)))
1046 /* This is fair since the queue should be empty anyway */
1047 spin_lock_irqsave(&self->spinlock, flags);
1049 if (self->txpending)
1051 spin_unlock_irqrestore(&self->spinlock, flags);
1055 /* If in SIR mode we need to generate a string of XBOFs */
1056 /* In MIR and FIR we need to generate a string of data */
1057 /* which we will add a wrong checksum to */
1059 mtt = toshoboe_makemttpacket (self, self->tx_bufs[self->txs], mtt);
1060 IRDA_DEBUG (1, "%s.mtt:%x(%x)%d\n", __func__
1061 ,skb->len,mtt,self->txpending);
1064 self->ring->tx[self->txs].len = mtt & 0xfff;
1066 ctl = OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_RTCENTX;
1067 if (INB (OBOE_ENABLEH) & OBOE_ENABLEH_FIRON)
1069 ctl |= OBOE_CTL_TX_BAD_CRC | OBOE_CTL_TX_SIP ;
1072 else if (INB (OBOE_ENABLEH) & OBOE_ENABLEH_MIRON)
1074 ctl |= OBOE_CTL_TX_BAD_CRC;
1077 self->ring->tx[self->txs].control = ctl;
1079 OUTB (0x0, OBOE_ENABLEH);
1080 /* It is only a timer. Do not send mtt packet outside! */
1081 toshoboe_start_DMA(self, OBOE_CONFIG0H_ENTX | OBOE_CONFIG0H_LOOP);
1086 self->txs %= TX_SLOTS;
1091 printk(KERN_ERR DRIVER_NAME ": problem with mtt packet - ignored\n");
1093 spin_unlock_irqrestore(&self->spinlock, flags);
1097 dumpbufs(skb->data,skb->len,'>');
1100 spin_lock_irqsave(&self->spinlock, flags);
1102 if (self->ring->tx[self->txs].control & OBOE_CTL_TX_HW_OWNS)
1104 IRDA_DEBUG (0, "%s.ful:%x(%x)%x\n", __func__
1105 ,skb->len, self->ring->tx[self->txs].control, self->txpending);
1106 toshoboe_start_DMA(self, OBOE_CONFIG0H_ENTX);
1107 spin_unlock_irqrestore(&self->spinlock, flags);
1111 if (INB (OBOE_ENABLEH) & OBOE_ENABLEH_SIRON)
1113 len = async_wrap_skb (skb, self->tx_bufs[self->txs], TX_BUF_SZ);
1118 skb_copy_from_linear_data(skb, self->tx_bufs[self->txs], len);
1120 self->ring->tx[self->txs].len = len & 0x0fff;
1122 /*Sometimes the HW doesn't see us assert RTCENTX in the interrupt code */
1123 /*later this plays safe, we garuntee the last packet to be transmitted */
1124 /*has RTCENTX set */
1126 ctl = OBOE_CTL_TX_HW_OWNS | OBOE_CTL_TX_RTCENTX;
1127 if (INB (OBOE_ENABLEH) & OBOE_ENABLEH_FIRON)
1129 ctl |= OBOE_CTL_TX_SIP ;
1131 self->ring->tx[self->txs].control = ctl;
1133 /* If transmitter is idle start in one-shot mode */
1135 if (!self->txpending)
1136 toshoboe_start_DMA(self, OBOE_CONFIG0H_ENTX);
1141 self->txs %= TX_SLOTS;
1143 spin_unlock_irqrestore(&self->spinlock, flags);
1144 dev_kfree_skb (skb);
1149 /*interrupt handler */
1151 toshoboe_interrupt (int irq, void *dev_id)
1153 struct toshoboe_cb *self = dev_id;
1155 struct sk_buff *skb = NULL;
1157 irqstat = INB (OBOE_ISR);
1160 if (!(irqstat & OBOE_INT_MASK))
1163 /* Ack all the interrupts */
1164 OUTB (irqstat, OBOE_ISR);
1166 toshoboe_isntstuck (self);
1169 if (irqstat & OBOE_INT_TXDONE)
1174 txp = self->txpending;
1175 self->txpending = 0;
1177 for (i = 0; i < TX_SLOTS; ++i)
1179 if (self->ring->tx[i].control & OBOE_CTL_TX_HW_OWNS)
1182 IRDA_DEBUG (1, "%s.txd(%x)%x/%x\n", __func__
1183 ,irqstat,txp,self->txpending);
1185 txp = INB (OBOE_TXSLOT) & OBOE_SLOT_MASK;
1187 /* Got anything queued ? start it together */
1188 if (self->ring->tx[txp].control & OBOE_CTL_TX_HW_OWNS)
1192 while (self->ring->tx[txpc].control & OBOE_CTL_TX_HW_OWNS)
1197 self->netdev->stats.tx_packets++;
1198 if (self->ring->tx[txpc].control & OBOE_CTL_TX_HW_OWNS)
1199 self->ring->tx[txp].control &= ~OBOE_CTL_TX_RTCENTX;
1201 self->netdev->stats.tx_packets--;
1203 self->netdev->stats.tx_packets++;
1205 toshoboe_start_DMA(self, OBOE_CONFIG0H_ENTX);
1208 if ((!self->txpending) && (self->new_speed))
1210 self->speed = self->new_speed;
1211 IRDA_DEBUG (1, "%s: Executed TxDone scheduled speed change %d\n",
1212 __func__, self->speed);
1213 toshoboe_setbaud (self);
1216 /* Tell network layer that we want more frames */
1217 if (!self->new_speed)
1218 netif_wake_queue(self->netdev);
1221 if (irqstat & OBOE_INT_RXDONE)
1223 while (!(self->ring->rx[self->rxs].control & OBOE_CTL_RX_HW_OWNS))
1225 int len = self->ring->rx[self->rxs].len;
1227 IRDA_DEBUG (3, "%s.rcv:%x(%x)\n", __func__
1228 ,len,self->ring->rx[self->rxs].control);
1231 dumpbufs(self->rx_bufs[self->rxs],len,'<');
1234 if (self->ring->rx[self->rxs].control == 0)
1236 __u8 enable = INB (OBOE_ENABLEH);
1238 /* In SIR mode we need to check the CRC as this */
1239 /* hasn't been done by the hardware */
1240 if (enable & OBOE_ENABLEH_SIRON)
1242 if (!toshoboe_checkfcs (self->rx_bufs[self->rxs], len))
1244 /*Trim off the CRC */
1249 IRDA_DEBUG (1, "%s.SIR:%x(%x)\n", __func__, len,enable);
1253 else if (enable & OBOE_ENABLEH_MIRON)
1259 IRDA_DEBUG (2, "%s.MIR:%x(%x)\n", __func__, len,enable);
1262 else if (enable & OBOE_ENABLEH_FIRON)
1265 len -= 4; /*FIXME: check this */
1268 IRDA_DEBUG (1, "%s.FIR:%x(%x)\n", __func__, len,enable);
1271 IRDA_DEBUG (0, "%s.?IR:%x(%x)\n", __func__, len,enable);
1275 skb = dev_alloc_skb (len + 1);
1278 skb_reserve (skb, 1);
1281 skb_copy_to_linear_data(skb, self->rx_bufs[self->rxs],
1283 self->netdev->stats.rx_packets++;
1284 skb->dev = self->netdev;
1285 skb_reset_mac_header(skb);
1286 skb->protocol = htons (ETH_P_IRDA);
1291 "%s(), memory squeeze, dropping frame.\n",
1298 /* TODO: =========================================== */
1299 /* if OBOE_CTL_RX_LENGTH, our buffers are too small */
1300 /* (MIR or FIR) data is lost. */
1301 /* (SIR) data is splitted in several slots. */
1302 /* we have to join all the received buffers received */
1303 /*in a large buffer before checking CRC. */
1304 IRDA_DEBUG (0, "%s.err:%x(%x)\n", __func__
1305 ,len,self->ring->rx[self->rxs].control);
1308 self->ring->rx[self->rxs].len = 0x0;
1309 self->ring->rx[self->rxs].control = OBOE_CTL_RX_HW_OWNS;
1312 self->rxs %= RX_SLOTS;
1320 if (irqstat & OBOE_INT_TXUNDER)
1322 printk (KERN_WARNING DRIVER_NAME ": tx fifo underflow\n");
1324 if (irqstat & OBOE_INT_RXOVER)
1326 printk (KERN_WARNING DRIVER_NAME ": rx fifo overflow\n");
1328 /* This must be useful for something... */
1329 if (irqstat & OBOE_INT_SIP)
1332 IRDA_DEBUG (1, "%s.sip:%x(%x)%x\n", __func__
1333 ,self->int_sip,irqstat,self->txpending);
1340 toshoboe_net_open (struct net_device *dev)
1342 struct toshoboe_cb *self;
1343 unsigned long flags;
1346 IRDA_DEBUG (4, "%s()\n", __func__);
1348 self = netdev_priv(dev);
1356 rc = request_irq (self->io.irq, toshoboe_interrupt,
1357 IRQF_SHARED | IRQF_DISABLED, dev->name, self);
1361 spin_lock_irqsave(&self->spinlock, flags);
1362 toshoboe_startchip (self);
1363 spin_unlock_irqrestore(&self->spinlock, flags);
1365 /* Ready to play! */
1366 netif_start_queue(dev);
1369 * Open new IrLAP layer instance, now that everything should be
1370 * initialized properly
1372 self->irlap = irlap_open (dev, &self->qos, driver_name);
1380 toshoboe_net_close (struct net_device *dev)
1382 struct toshoboe_cb *self;
1384 IRDA_DEBUG (4, "%s()\n", __func__);
1386 IRDA_ASSERT (dev != NULL, return -1; );
1387 self = netdev_priv(dev);
1390 netif_stop_queue(dev);
1392 /* Stop and remove instance of IrLAP */
1394 irlap_close (self->irlap);
1399 free_irq (self->io.irq, (void *) self);
1403 toshoboe_stopchip (self);
1410 * Function toshoboe_net_ioctl (dev, rq, cmd)
1412 * Process IOCTL commands for this device
1416 toshoboe_net_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
1418 struct if_irda_req *irq = (struct if_irda_req *) rq;
1419 struct toshoboe_cb *self;
1420 unsigned long flags;
1423 IRDA_ASSERT (dev != NULL, return -1; );
1425 self = netdev_priv(dev);
1427 IRDA_ASSERT (self != NULL, return -1; );
1429 IRDA_DEBUG (5, "%s(), %s, (cmd=0x%X)\n", __func__, dev->name, cmd);
1431 /* Disable interrupts & save flags */
1432 spin_lock_irqsave(&self->spinlock, flags);
1436 case SIOCSBANDWIDTH: /* Set bandwidth */
1437 /* This function will also be used by IrLAP to change the
1438 * speed, so we still must allow for speed change within
1439 * interrupt context.
1441 IRDA_DEBUG (1, "%s(BANDWIDTH), %s, (%X/%ld\n", __func__
1442 ,dev->name, INB (OBOE_STATUS), irq->ifr_baudrate );
1443 if (!in_interrupt () && !capable (CAP_NET_ADMIN)) {
1448 /* self->speed=irq->ifr_baudrate; */
1449 /* toshoboe_setbaud(self); */
1450 /* Just change speed once - inserted by Paul Bristow */
1451 self->new_speed = irq->ifr_baudrate;
1453 case SIOCSMEDIABUSY: /* Set media busy */
1454 IRDA_DEBUG (1, "%s(MEDIABUSY), %s, (%X/%x)\n", __func__
1455 ,dev->name, INB (OBOE_STATUS), capable (CAP_NET_ADMIN) );
1456 if (!capable (CAP_NET_ADMIN)) {
1460 irda_device_set_media_busy (self->netdev, TRUE);
1462 case SIOCGRECEIVING: /* Check if we are receiving right now */
1463 irq->ifr_receiving = (INB (OBOE_STATUS) & OBOE_STATUS_RXBUSY) ? 1 : 0;
1464 IRDA_DEBUG (3, "%s(RECEIVING), %s, (%X/%x)\n", __func__
1465 ,dev->name, INB (OBOE_STATUS), irq->ifr_receiving );
1468 IRDA_DEBUG (1, "%s(?), %s, (cmd=0x%X)\n", __func__, dev->name, cmd);
1472 spin_unlock_irqrestore(&self->spinlock, flags);
1477 MODULE_DESCRIPTION("Toshiba OBOE IrDA Device Driver");
1478 MODULE_AUTHOR("James McKenzie <james@fishsoup.dhs.org>");
1479 MODULE_LICENSE("GPL");
1481 module_param (max_baud, int, 0);
1482 MODULE_PARM_DESC(max_baud, "Maximum baud rate");
1485 module_param (do_probe, bool, 0);
1486 MODULE_PARM_DESC(do_probe, "Enable/disable chip probing and self-test");
1490 toshoboe_close (struct pci_dev *pci_dev)
1493 struct toshoboe_cb *self = (struct toshoboe_cb*)pci_get_drvdata(pci_dev);
1495 IRDA_DEBUG (4, "%s()\n", __func__);
1497 IRDA_ASSERT (self != NULL, return; );
1501 toshoboe_stopchip (self);
1504 release_region (self->io.fir_base, self->io.fir_ext);
1506 for (i = 0; i < TX_SLOTS; ++i)
1508 kfree (self->tx_bufs[i]);
1509 self->tx_bufs[i] = NULL;
1512 for (i = 0; i < RX_SLOTS; ++i)
1514 kfree (self->rx_bufs[i]);
1515 self->rx_bufs[i] = NULL;
1518 unregister_netdev(self->netdev);
1520 kfree (self->ringbuf);
1521 self->ringbuf = NULL;
1524 free_netdev(self->netdev);
1528 toshoboe_open (struct pci_dev *pci_dev, const struct pci_device_id *pdid)
1530 struct toshoboe_cb *self;
1531 struct net_device *dev;
1536 IRDA_DEBUG (4, "%s()\n", __func__);
1538 if ((err=pci_enable_device(pci_dev)))
1541 dev = alloc_irdadev(sizeof (struct toshoboe_cb));
1544 printk (KERN_ERR DRIVER_NAME ": can't allocate memory for "
1545 "IrDA control block\n");
1549 self = netdev_priv(dev);
1551 self->pdev = pci_dev;
1552 self->base = pci_resource_start(pci_dev,0);
1554 self->io.fir_base = self->base;
1555 self->io.fir_ext = OBOE_IO_EXTENT;
1556 self->io.irq = pci_dev->irq;
1557 self->io.irqflags = IRQF_SHARED | IRQF_DISABLED;
1559 self->speed = self->io.speed = 9600;
1562 /* Lock the port that we need */
1563 if (NULL==request_region (self->io.fir_base, self->io.fir_ext, driver_name))
1565 printk (KERN_ERR DRIVER_NAME ": can't get iobase of 0x%03x\n"
1566 ,self->io.fir_base);
1571 spin_lock_init(&self->spinlock);
1573 irda_init_max_qos_capabilies (&self->qos);
1574 self->qos.baud_rate.bits = 0;
1576 if (max_baud >= 2400)
1577 self->qos.baud_rate.bits |= IR_2400;
1578 /*if (max_baud>=4800) idev->qos.baud_rate.bits|=IR_4800; */
1579 if (max_baud >= 9600)
1580 self->qos.baud_rate.bits |= IR_9600;
1581 if (max_baud >= 19200)
1582 self->qos.baud_rate.bits |= IR_19200;
1583 if (max_baud >= 115200)
1584 self->qos.baud_rate.bits |= IR_115200;
1586 if (max_baud >= 1152000)
1588 self->qos.baud_rate.bits |= IR_1152000;
1591 if (max_baud >= 4000000)
1593 self->qos.baud_rate.bits |= (IR_4000000 << 8);
1596 /*FIXME: work this out... */
1597 self->qos.min_turn_time.bits = 0xff;
1599 irda_qos_bits_to_value (&self->qos);
1601 /* Allocate twice the size to guarantee alignment */
1602 self->ringbuf = kmalloc(OBOE_RING_LEN << 1, GFP_KERNEL);
1605 printk (KERN_ERR DRIVER_NAME ": can't allocate DMA buffers\n");
1610 #if (BITS_PER_LONG == 64)
1611 #error broken on 64-bit: casts pointer to 32-bit, and then back to pointer.
1614 /*We need to align the taskfile on a taskfile size boundary */
1618 addr = (__u32) self->ringbuf;
1619 addr &= ~(OBOE_RING_LEN - 1);
1620 addr += OBOE_RING_LEN;
1621 self->ring = (struct OboeRing *) addr;
1624 memset (self->ring, 0, OBOE_RING_LEN);
1625 self->io.mem_base = (__u32) self->ring;
1628 for (i = 0; i < TX_SLOTS; ++i)
1630 self->tx_bufs[i] = kmalloc (TX_BUF_SZ, GFP_KERNEL);
1631 if (!self->tx_bufs[i])
1635 for (i = 0; i < RX_SLOTS; ++i)
1637 self->rx_bufs[i] = kmalloc (RX_BUF_SZ, GFP_KERNEL);
1638 if (!self->rx_bufs[i])
1644 printk (KERN_ERR DRIVER_NAME ": can't allocate rx/tx buffers\n");
1652 if (!toshoboe_probe (self))
1659 SET_NETDEV_DEV(dev, &pci_dev->dev);
1660 dev->hard_start_xmit = toshoboe_hard_xmit;
1661 dev->open = toshoboe_net_open;
1662 dev->stop = toshoboe_net_close;
1663 dev->do_ioctl = toshoboe_net_ioctl;
1665 err = register_netdev(dev);
1668 printk (KERN_ERR DRIVER_NAME ": register_netdev() failed\n");
1672 printk (KERN_INFO "IrDA: Registered device %s\n", dev->name);
1674 pci_set_drvdata(pci_dev,self);
1676 printk (KERN_INFO DRIVER_NAME ": Using multiple tasks\n");
1681 for (i = 0; i < TX_SLOTS; ++i)
1682 kfree (self->tx_bufs[i]);
1683 for (i = 0; i < RX_SLOTS; ++i)
1684 kfree (self->rx_bufs[i]);
1685 kfree(self->ringbuf);
1688 release_region (self->io.fir_base, self->io.fir_ext);
1697 toshoboe_gotosleep (struct pci_dev *pci_dev, pm_message_t crap)
1699 struct toshoboe_cb *self = (struct toshoboe_cb*)pci_get_drvdata(pci_dev);
1700 unsigned long flags;
1703 IRDA_DEBUG (4, "%s()\n", __func__);
1705 if (!self || self->stopped)
1708 if ((!self->irdad) && (!self->async))
1711 /* Flush all packets */
1712 while ((i--) && (self->txpending))
1715 spin_lock_irqsave(&self->spinlock, flags);
1717 toshoboe_stopchip (self);
1719 self->txpending = 0;
1721 spin_unlock_irqrestore(&self->spinlock, flags);
1726 toshoboe_wakeup (struct pci_dev *pci_dev)
1728 struct toshoboe_cb *self = (struct toshoboe_cb*)pci_get_drvdata(pci_dev);
1729 unsigned long flags;
1731 IRDA_DEBUG (4, "%s()\n", __func__);
1733 if (!self || !self->stopped)
1736 if ((!self->irdad) && (!self->async))
1739 spin_lock_irqsave(&self->spinlock, flags);
1741 toshoboe_startchip (self);
1744 netif_wake_queue(self->netdev);
1745 spin_unlock_irqrestore(&self->spinlock, flags);
1749 static struct pci_driver donauboe_pci_driver = {
1751 .id_table = toshoboe_pci_tbl,
1752 .probe = toshoboe_open,
1753 .remove = toshoboe_close,
1754 .suspend = toshoboe_gotosleep,
1755 .resume = toshoboe_wakeup
1759 donauboe_init (void)
1761 return pci_register_driver(&donauboe_pci_driver);
1765 donauboe_cleanup (void)
1767 pci_unregister_driver(&donauboe_pci_driver);
1770 module_init(donauboe_init);
1771 module_exit(donauboe_cleanup);