3 Driver for the Marvell 8385 based compact flash WLAN cards.
5 (C) 2007 by Holger Schurig <hs4233@mail.mn-solutions.de>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
20 Boston, MA 02110-1301, USA.
24 #include <linux/module.h>
25 #include <linux/delay.h>
26 #include <linux/moduleparam.h>
27 #include <linux/firmware.h>
28 #include <linux/netdevice.h>
30 #include <pcmcia/cs_types.h>
31 #include <pcmcia/cs.h>
32 #include <pcmcia/cistpl.h>
33 #include <pcmcia/ds.h>
37 #define DRV_NAME "libertas_cs"
44 /********************************************************************/
46 /********************************************************************/
48 MODULE_AUTHOR("Holger Schurig <hs4233@mail.mn-solutions.de>");
49 MODULE_DESCRIPTION("Driver for Marvell 83xx compact flash WLAN cards");
50 MODULE_LICENSE("GPL");
54 /********************************************************************/
56 /********************************************************************/
59 struct pcmcia_device *p_dev;
60 struct lbs_private *priv;
66 /********************************************************************/
68 /********************************************************************/
70 /* This define enables wrapper functions which allow you
71 to dump all register accesses. You normally won't this,
72 except for development */
73 /* #define DEBUG_IO */
76 static int debug_output = 0;
78 /* This way the compiler optimizes the printk's away */
79 #define debug_output 0
82 static inline unsigned int if_cs_read8(struct if_cs_card *card, uint reg)
84 unsigned int val = ioread8(card->iobase + reg);
86 printk(KERN_INFO "##inb %08x<%02x\n", reg, val);
89 static inline unsigned int if_cs_read16(struct if_cs_card *card, uint reg)
91 unsigned int val = ioread16(card->iobase + reg);
93 printk(KERN_INFO "##inw %08x<%04x\n", reg, val);
96 static inline void if_cs_read16_rep(
97 struct if_cs_card *card,
103 printk(KERN_INFO "##insw %08x<(0x%lx words)\n",
105 ioread16_rep(card->iobase + reg, buf, count);
108 static inline void if_cs_write8(struct if_cs_card *card, uint reg, u8 val)
111 printk(KERN_INFO "##outb %08x>%02x\n", reg, val);
112 iowrite8(val, card->iobase + reg);
115 static inline void if_cs_write16(struct if_cs_card *card, uint reg, u16 val)
118 printk(KERN_INFO "##outw %08x>%04x\n", reg, val);
119 iowrite16(val, card->iobase + reg);
122 static inline void if_cs_write16_rep(
123 struct if_cs_card *card,
129 printk(KERN_INFO "##outsw %08x>(0x%lx words)\n",
131 iowrite16_rep(card->iobase + reg, buf, count);
136 * I know that polling/delaying is frowned upon. However, this procedure
137 * with polling is needed while downloading the firmware. At this stage,
138 * the hardware does unfortunately not create any interrupts.
140 * Fortunately, this function is never used once the firmware is in
143 * As a reference, see the "Firmware Specification v5.1", page 18
144 * and 19. I did not follow their suggested timing to the word,
145 * but this works nice & fast anyway.
147 static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 reg)
151 for (i = 0; i < 1000; i++) {
152 u8 val = if_cs_read8(card, addr);
162 /* Host control registers and their bit definitions */
164 #define IF_CS_H_STATUS 0x00000000
165 #define IF_CS_H_STATUS_TX_OVER 0x0001
166 #define IF_CS_H_STATUS_RX_OVER 0x0002
167 #define IF_CS_H_STATUS_DNLD_OVER 0x0004
169 #define IF_CS_H_INT_CAUSE 0x00000002
170 #define IF_CS_H_IC_TX_OVER 0x0001
171 #define IF_CS_H_IC_RX_OVER 0x0002
172 #define IF_CS_H_IC_DNLD_OVER 0x0004
173 #define IF_CS_H_IC_POWER_DOWN 0x0008
174 #define IF_CS_H_IC_HOST_EVENT 0x0010
175 #define IF_CS_H_IC_MASK 0x001f
177 #define IF_CS_H_INT_MASK 0x00000004
178 #define IF_CS_H_IM_MASK 0x001f
180 #define IF_CS_H_WRITE_LEN 0x00000014
182 #define IF_CS_H_WRITE 0x00000016
184 #define IF_CS_H_CMD_LEN 0x00000018
186 #define IF_CS_H_CMD 0x0000001A
188 #define IF_CS_C_READ_LEN 0x00000024
190 #define IF_CS_H_READ 0x00000010
192 /* Card control registers and their bit definitions */
194 #define IF_CS_C_STATUS 0x00000020
195 #define IF_CS_C_S_TX_DNLD_RDY 0x0001
196 #define IF_CS_C_S_RX_UPLD_RDY 0x0002
197 #define IF_CS_C_S_CMD_DNLD_RDY 0x0004
198 #define IF_CS_C_S_CMD_UPLD_RDY 0x0008
199 #define IF_CS_C_S_CARDEVENT 0x0010
200 #define IF_CS_C_S_MASK 0x001f
201 #define IF_CS_C_S_STATUS_MASK 0x7f00
202 /* The following definitions should be the same as the MRVDRV_ ones */
204 #if MRVDRV_CMD_DNLD_RDY != IF_CS_C_S_CMD_DNLD_RDY
205 #error MRVDRV_CMD_DNLD_RDY and IF_CS_C_S_CMD_DNLD_RDY not in sync
207 #if MRVDRV_CMD_UPLD_RDY != IF_CS_C_S_CMD_UPLD_RDY
208 #error MRVDRV_CMD_UPLD_RDY and IF_CS_C_S_CMD_UPLD_RDY not in sync
210 #if MRVDRV_CARDEVENT != IF_CS_C_S_CARDEVENT
211 #error MRVDRV_CARDEVENT and IF_CS_C_S_CARDEVENT not in sync
214 #define IF_CS_C_INT_CAUSE 0x00000022
215 #define IF_CS_C_IC_MASK 0x001f
217 #define IF_CS_C_SQ_READ_LOW 0x00000028
218 #define IF_CS_C_SQ_HELPER_OK 0x10
220 #define IF_CS_C_CMD_LEN 0x00000030
222 #define IF_CS_C_CMD 0x00000012
224 #define IF_CS_SCRATCH 0x0000003F
228 /********************************************************************/
230 /********************************************************************/
232 static inline void if_cs_enable_ints(struct if_cs_card *card)
234 lbs_deb_enter(LBS_DEB_CS);
235 if_cs_write16(card, IF_CS_H_INT_MASK, 0);
238 static inline void if_cs_disable_ints(struct if_cs_card *card)
240 lbs_deb_enter(LBS_DEB_CS);
241 if_cs_write16(card, IF_CS_H_INT_MASK, IF_CS_H_IM_MASK);
244 static irqreturn_t if_cs_interrupt(int irq, void *data)
246 struct if_cs_card *card = data;
249 lbs_deb_enter(LBS_DEB_CS);
251 int_cause = if_cs_read16(card, IF_CS_C_INT_CAUSE);
252 if(int_cause == 0x0) {
256 } else if (int_cause == 0xffff) {
257 /* Read in junk, the card has probably been removed */
258 card->priv->adapter->surpriseremoved = 1;
261 if (int_cause & IF_CS_H_IC_TX_OVER)
262 lbs_host_to_card_done(card->priv);
264 /* clear interrupt */
265 if_cs_write16(card, IF_CS_C_INT_CAUSE, int_cause & IF_CS_C_IC_MASK);
268 lbs_interrupt(card->priv->dev);
276 /********************************************************************/
278 /********************************************************************/
281 * Called from if_cs_host_to_card to send a command to the hardware
283 static int if_cs_send_cmd(struct lbs_private *priv, u8 *buf, u16 nb)
285 struct if_cs_card *card = (struct if_cs_card *)priv->card;
289 lbs_deb_enter(LBS_DEB_CS);
291 /* Is hardware ready? */
293 u16 val = if_cs_read16(card, IF_CS_C_STATUS);
294 if (val & IF_CS_C_S_CMD_DNLD_RDY)
297 lbs_pr_err("card not ready for commands\n");
303 if_cs_write16(card, IF_CS_H_CMD_LEN, nb);
305 if_cs_write16_rep(card, IF_CS_H_CMD, buf, nb / 2);
306 /* Are we supposed to transfer an odd amount of bytes? */
308 if_cs_write8(card, IF_CS_H_CMD, buf[nb-1]);
310 /* "Assert the download over interrupt command in the Host
311 * status register" */
312 if_cs_write16(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER);
314 /* "Assert the download over interrupt command in the Card
315 * interrupt case register" */
316 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER);
320 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
326 * Called from if_cs_host_to_card to send a data to the hardware
328 static void if_cs_send_data(struct lbs_private *priv, u8 *buf, u16 nb)
330 struct if_cs_card *card = (struct if_cs_card *)priv->card;
332 lbs_deb_enter(LBS_DEB_CS);
334 if_cs_write16(card, IF_CS_H_WRITE_LEN, nb);
336 /* write even number of bytes, then odd byte if necessary */
337 if_cs_write16_rep(card, IF_CS_H_WRITE, buf, nb / 2);
339 if_cs_write8(card, IF_CS_H_WRITE, buf[nb-1]);
341 if_cs_write16(card, IF_CS_H_STATUS, IF_CS_H_STATUS_TX_OVER);
342 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_STATUS_TX_OVER);
344 lbs_deb_leave(LBS_DEB_CS);
349 * Get the command result out of the card.
351 static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len)
356 lbs_deb_enter(LBS_DEB_CS);
358 /* is hardware ready? */
359 val = if_cs_read16(priv->card, IF_CS_C_STATUS);
360 if ((val & IF_CS_C_S_CMD_UPLD_RDY) == 0) {
361 lbs_pr_err("card not ready for CMD\n");
365 *len = if_cs_read16(priv->card, IF_CS_C_CMD_LEN);
366 if ((*len == 0) || (*len > MRVDRV_SIZE_OF_CMD_BUFFER)) {
367 lbs_pr_err("card cmd buffer has invalid # of bytes (%d)\n", *len);
371 /* read even number of bytes, then odd byte if necessary */
372 if_cs_read16_rep(priv->card, IF_CS_C_CMD, data, *len/sizeof(u16));
374 data[*len-1] = if_cs_read8(priv->card, IF_CS_C_CMD);
378 lbs_deb_leave_args(LBS_DEB_CS, "ret %d, len %d", ret, *len);
383 static struct sk_buff *if_cs_receive_data(struct lbs_private *priv)
385 struct sk_buff *skb = NULL;
389 lbs_deb_enter(LBS_DEB_CS);
391 len = if_cs_read16(priv->card, IF_CS_C_READ_LEN);
392 if (len == 0 || len > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE) {
393 lbs_pr_err("card data buffer has invalid # of bytes (%d)\n", len);
394 priv->stats.rx_dropped++;
395 printk(KERN_INFO "##HS %s:%d TODO\n", __FUNCTION__, __LINE__);
399 //TODO: skb = dev_alloc_skb(len+ETH_FRAME_LEN+MRVDRV_SNAP_HEADER_LEN+EXTRA_LEN);
400 skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + 2);
404 skb_reserve(skb, 2);/* 16 byte align */
407 /* read even number of bytes, then odd byte if necessary */
408 if_cs_read16_rep(priv->card, IF_CS_H_READ, data, len/sizeof(u16));
410 data[len-1] = if_cs_read8(priv->card, IF_CS_H_READ);
413 if_cs_write16(priv->card, IF_CS_H_STATUS, IF_CS_H_STATUS_RX_OVER);
414 if_cs_write16(priv->card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_RX_OVER);
417 lbs_deb_leave_args(LBS_DEB_CS, "ret %p", skb);
423 /********************************************************************/
425 /********************************************************************/
428 * Tries to program the helper firmware.
430 * Return 0 on success
432 static int if_cs_prog_helper(struct if_cs_card *card)
437 const struct firmware *fw;
439 lbs_deb_enter(LBS_DEB_CS);
441 scratch = if_cs_read8(card, IF_CS_SCRATCH);
443 /* "If the value is 0x5a, the firmware is already
444 * downloaded successfully"
449 /* "If the value is != 00, it is invalid value of register */
450 if (scratch != 0x00) {
455 /* TODO: make firmware file configurable */
456 ret = request_firmware(&fw, "libertas_cs_helper.fw",
457 &handle_to_dev(card->p_dev));
459 lbs_pr_err("can't load helper firmware\n");
463 lbs_deb_cs("helper size %td\n", fw->size);
465 /* "Set the 5 bytes of the helper image to 0" */
466 /* Not needed, this contains an ARM branch instruction */
469 /* "the number of bytes to send is 256" */
471 int remain = fw->size - sent;
475 /* printk(KERN_INFO "//HS %d loading %d of %d bytes\n",
476 __LINE__, sent, fw->size); */
478 /* "write the number of bytes to be sent to the I/O Command
479 * write length register" */
480 if_cs_write16(card, IF_CS_H_CMD_LEN, count);
482 /* "write this to I/O Command port register as 16 bit writes */
484 if_cs_write16_rep(card, IF_CS_H_CMD,
488 /* "Assert the download over interrupt command in the Host
489 * status register" */
490 if_cs_write8(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER);
492 /* "Assert the download over interrupt command in the Card
493 * interrupt case register" */
494 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER);
496 /* "The host polls the Card Status register ... for 50 ms before
497 declaring a failure */
498 ret = if_cs_poll_while_fw_download(card, IF_CS_C_STATUS,
499 IF_CS_C_S_CMD_DNLD_RDY);
501 lbs_pr_err("can't download helper at 0x%x, ret %d\n",
512 release_firmware(fw);
516 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
521 static int if_cs_prog_real(struct if_cs_card *card)
523 const struct firmware *fw;
529 lbs_deb_enter(LBS_DEB_CS);
531 /* TODO: make firmware file configurable */
532 ret = request_firmware(&fw, "libertas_cs.fw",
533 &handle_to_dev(card->p_dev));
535 lbs_pr_err("can't load firmware\n");
539 lbs_deb_cs("fw size %td\n", fw->size);
541 ret = if_cs_poll_while_fw_download(card, IF_CS_C_SQ_READ_LOW, IF_CS_C_SQ_HELPER_OK);
544 lbs_pr_err("helper firmware doesn't answer\n");
545 for (i = 0; i < 0x50; i += 2)
546 printk(KERN_INFO "## HS %02x: %04x\n",
547 i, if_cs_read16(card, i));
551 for (sent = 0; sent < fw->size; sent += len) {
552 len = if_cs_read16(card, IF_CS_C_SQ_READ_LOW);
553 /* printk(KERN_INFO "//HS %d loading %d of %d bytes\n",
554 __LINE__, sent, fw->size); */
557 lbs_pr_info("odd, need to retry this firmware block\n");
563 lbs_pr_err("could not download firmware\n");
572 if_cs_write16(card, IF_CS_H_CMD_LEN, len);
574 if_cs_write16_rep(card, IF_CS_H_CMD,
577 if_cs_write8(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER);
578 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER);
580 ret = if_cs_poll_while_fw_download(card, IF_CS_C_STATUS,
581 IF_CS_C_S_CMD_DNLD_RDY);
583 lbs_pr_err("can't download firmware at 0x%x\n", sent);
588 ret = if_cs_poll_while_fw_download(card, IF_CS_SCRATCH, 0x5a);
590 lbs_pr_err("firmware download failed\n");
599 release_firmware(fw);
602 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
608 /********************************************************************/
609 /* Callback functions for libertas.ko */
610 /********************************************************************/
612 /* Send commands or data packets to the card */
613 static int if_cs_host_to_card(struct lbs_private *priv,
620 lbs_deb_enter_args(LBS_DEB_CS, "type %d, bytes %d", type, nb);
624 priv->dnld_sent = DNLD_DATA_SENT;
625 if_cs_send_data(priv, buf, nb);
629 priv->dnld_sent = DNLD_CMD_SENT;
630 ret = if_cs_send_cmd(priv, buf, nb);
633 lbs_pr_err("%s: unsupported type %d\n", __FUNCTION__, type);
636 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
641 static int if_cs_get_int_status(struct lbs_private *priv, u8 *ireg)
643 struct if_cs_card *card = (struct if_cs_card *)priv->card;
644 /* struct lbs_adapter *adapter = priv->adapter; */
650 lbs_deb_enter(LBS_DEB_CS);
652 if (priv->adapter->surpriseremoved)
655 int_cause = if_cs_read16(card, IF_CS_C_INT_CAUSE) & IF_CS_C_IC_MASK;
656 if_cs_write16(card, IF_CS_C_INT_CAUSE, int_cause);
658 *ireg = if_cs_read16(card, IF_CS_C_STATUS) & IF_CS_C_S_MASK;
661 goto sbi_get_int_status_exit;
663 sbi_get_int_status_exit:
665 /* is there a data packet for us? */
666 if (*ireg & IF_CS_C_S_RX_UPLD_RDY) {
667 struct sk_buff *skb = if_cs_receive_data(priv);
668 lbs_process_rxed_packet(priv, skb);
669 *ireg &= ~IF_CS_C_S_RX_UPLD_RDY;
672 if (*ireg & IF_CS_C_S_TX_DNLD_RDY) {
673 priv->dnld_sent = DNLD_RES_RECEIVED;
676 /* Card has a command result for us */
677 if (*ireg & IF_CS_C_S_CMD_UPLD_RDY) {
678 spin_lock(&priv->adapter->driver_lock);
679 if (!priv->adapter->cur_cmd) {
680 cmdbuf = priv->upld_buf;
681 priv->adapter->hisregcpy &= ~IF_CS_C_S_RX_UPLD_RDY;
683 cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr;
686 ret = if_cs_receive_cmdres(priv, cmdbuf, &priv->upld_len);
687 spin_unlock(&priv->adapter->driver_lock);
689 lbs_pr_err("could not receive cmd from card\n");
693 lbs_deb_leave_args(LBS_DEB_CS, "ret %d, ireg 0x%x, hisregcpy 0x%x", ret, *ireg, priv->adapter->hisregcpy);
698 static int if_cs_read_event_cause(struct lbs_private *priv)
700 lbs_deb_enter(LBS_DEB_CS);
702 priv->adapter->eventcause = (if_cs_read16(priv->card, IF_CS_C_STATUS) & IF_CS_C_S_STATUS_MASK) >> 5;
703 if_cs_write16(priv->card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_HOST_EVENT);
710 /********************************************************************/
712 /********************************************************************/
715 * After a card is removed, if_cs_release() will unregister the
716 * device, and release the PCMCIA configuration. If the device is
717 * still open, this will be postponed until it is closed.
719 static void if_cs_release(struct pcmcia_device *p_dev)
721 struct if_cs_card *card = p_dev->priv;
723 lbs_deb_enter(LBS_DEB_CS);
725 pcmcia_disable_device(p_dev);
726 free_irq(p_dev->irq.AssignedIRQ, card);
728 ioport_unmap(card->iobase);
730 lbs_deb_leave(LBS_DEB_CS);
735 * This creates an "instance" of the driver, allocating local data
736 * structures for one device. The device is registered with Card
739 * The dev_link structure is initialized, but we don't actually
740 * configure the card at this point -- we wait until we receive a card
743 static int if_cs_probe(struct pcmcia_device *p_dev)
746 struct lbs_private *priv;
747 struct if_cs_card *card;
751 cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
752 cistpl_io_t *io = &cfg->io;
755 lbs_deb_enter(LBS_DEB_CS);
757 card = kzalloc(sizeof(struct if_cs_card), GFP_KERNEL);
759 lbs_pr_err("error in kzalloc\n");
765 p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
766 p_dev->irq.Handler = NULL;
767 p_dev->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
769 p_dev->conf.Attributes = 0;
770 p_dev->conf.IntType = INT_MEMORY_AND_IO;
772 tuple.Attributes = 0;
773 tuple.TupleData = buf;
774 tuple.TupleDataMax = sizeof(buf);
775 tuple.TupleOffset = 0;
777 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
778 if ((ret = pcmcia_get_first_tuple(p_dev, &tuple)) != 0 ||
779 (ret = pcmcia_get_tuple_data(p_dev, &tuple)) != 0 ||
780 (ret = pcmcia_parse_tuple(p_dev, &tuple, &parse)) != 0)
782 lbs_pr_err("error in pcmcia_get_first_tuple etc\n");
786 p_dev->conf.ConfigIndex = cfg->index;
788 /* Do we need to allocate an interrupt? */
789 if (cfg->irq.IRQInfo1) {
790 p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
793 /* IO window settings */
794 if (cfg->io.nwin != 1) {
795 lbs_pr_err("wrong CIS (check number of IO windows)\n");
799 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
800 p_dev->io.BasePort1 = io->win[0].base;
801 p_dev->io.NumPorts1 = io->win[0].len;
803 /* This reserves IO space but doesn't actually enable it */
804 ret = pcmcia_request_io(p_dev, &p_dev->io);
806 lbs_pr_err("error in pcmcia_request_io\n");
811 * Allocate an interrupt line. Note that this does not assign
812 * a handler to the interrupt, unless the 'Handler' member of
813 * the irq structure is initialized.
815 if (p_dev->conf.Attributes & CONF_ENABLE_IRQ) {
816 ret = pcmcia_request_irq(p_dev, &p_dev->irq);
818 lbs_pr_err("error in pcmcia_request_irq\n");
823 /* Initialize io access */
824 card->iobase = ioport_map(p_dev->io.BasePort1, p_dev->io.NumPorts1);
826 lbs_pr_err("error in ioport_map\n");
832 * This actually configures the PCMCIA socket -- setting up
833 * the I/O windows and the interrupt mapping, and putting the
834 * card and host interface into "Memory and IO" mode.
836 ret = pcmcia_request_configuration(p_dev, &p_dev->conf);
838 lbs_pr_err("error in pcmcia_request_configuration\n");
842 /* Finally, report what we've done */
843 lbs_deb_cs("irq %d, io 0x%04x-0x%04x\n",
844 p_dev->irq.AssignedIRQ, p_dev->io.BasePort1,
845 p_dev->io.BasePort1 + p_dev->io.NumPorts1 - 1);
848 /* Load the firmware early, before calling into libertas.ko */
849 ret = if_cs_prog_helper(card);
851 ret = if_cs_prog_real(card);
855 /* Make this card known to the libertas driver */
856 priv = lbs_add_card(card, &p_dev->dev);
862 /* Store pointers to our call-back functions */
865 priv->hw_host_to_card = if_cs_host_to_card;
866 priv->hw_get_int_status = if_cs_get_int_status;
867 priv->hw_read_event_cause = if_cs_read_event_cause;
869 priv->adapter->fw_ready = 1;
871 /* Now actually get the IRQ */
872 ret = request_irq(p_dev->irq.AssignedIRQ, if_cs_interrupt,
873 IRQF_SHARED, DRV_NAME, card);
875 lbs_pr_err("error in request_irq\n");
879 /* Clear any interrupt cause that happend while sending
880 * firmware/initializing card */
881 if_cs_write16(card, IF_CS_C_INT_CAUSE, IF_CS_C_IC_MASK);
882 if_cs_enable_ints(card);
884 /* And finally bring the card up */
885 if (lbs_start_card(priv) != 0) {
886 lbs_pr_err("could not activate card\n");
894 lbs_remove_card(priv);
896 ioport_unmap(card->iobase);
898 pcmcia_disable_device(p_dev);
900 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
906 * This deletes a driver "instance". The device is de-registered with
907 * Card Services. If it has been released, all local data structures
908 * are freed. Otherwise, the structures will be freed when the device
911 static void if_cs_detach(struct pcmcia_device *p_dev)
913 struct if_cs_card *card = p_dev->priv;
915 lbs_deb_enter(LBS_DEB_CS);
917 lbs_stop_card(card->priv);
918 lbs_remove_card(card->priv);
919 if_cs_disable_ints(card);
920 if_cs_release(p_dev);
923 lbs_deb_leave(LBS_DEB_CS);
928 /********************************************************************/
929 /* Module initialization */
930 /********************************************************************/
932 static struct pcmcia_device_id if_cs_ids[] = {
933 PCMCIA_DEVICE_MANF_CARD(0x02df, 0x8103),
936 MODULE_DEVICE_TABLE(pcmcia, if_cs_ids);
939 static struct pcmcia_driver lbs_driver = {
940 .owner = THIS_MODULE,
944 .probe = if_cs_probe,
945 .remove = if_cs_detach,
946 .id_table = if_cs_ids,
950 static int __init if_cs_init(void)
954 lbs_deb_enter(LBS_DEB_CS);
955 ret = pcmcia_register_driver(&lbs_driver);
956 lbs_deb_leave(LBS_DEB_CS);
961 static void __exit if_cs_exit(void)
963 lbs_deb_enter(LBS_DEB_CS);
964 pcmcia_unregister_driver(&lbs_driver);
965 lbs_deb_leave(LBS_DEB_CS);
969 module_init(if_cs_init);
970 module_exit(if_cs_exit);