2 * Marvell BT-over-SDIO driver: SDIO interface related functions.
4 * Copyright (C) 2009, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
15 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
17 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
18 * this warranty disclaimer.
21 #include <linux/firmware.h>
22 #include <linux/slab.h>
24 #include <linux/mmc/sdio_ids.h>
25 #include <linux/mmc/sdio_func.h>
27 #include <net/bluetooth/bluetooth.h>
28 #include <net/bluetooth/hci_core.h>
30 #include "btmrvl_drv.h"
31 #include "btmrvl_sdio.h"
35 /* The btmrvl_sdio_remove() callback function is called
36 * when user removes this module from kernel space or ejects
37 * the card from the slot. The driver handles these 2 cases
39 * If the user is removing the module, a MODULE_SHUTDOWN_REQ
40 * command is sent to firmware and interrupt will be disabled.
41 * If the card is removed, there is no need to send command
42 * or disable interrupt.
44 * The variable 'user_rmmod' is used to distinguish these two
45 * scenarios. This flag is initialized as FALSE in case the card
46 * is removed, and will be set to TRUE for module removal when
47 * module_exit function is called.
52 static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
54 .host_int_mask = 0x04,
55 .host_intstatus = 0x05,
57 .sq_read_base_addr_a0 = 0x10,
58 .sq_read_base_addr_a1 = 0x11,
59 .card_fw_status0 = 0x40,
60 .card_fw_status1 = 0x41,
67 static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
69 .host_int_mask = 0x02,
70 .host_intstatus = 0x03,
72 .sq_read_base_addr_a0 = 0x40,
73 .sq_read_base_addr_a1 = 0x41,
74 .card_revision = 0x5c,
75 .card_fw_status0 = 0x60,
76 .card_fw_status1 = 0x61,
84 static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
85 .helper = "sd8688_helper.bin",
86 .firmware = "sd8688.bin",
87 .reg = &btmrvl_reg_8688,
91 static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
93 .firmware = "mrvl/sd8787_uapsta.bin",
94 .reg = &btmrvl_reg_87xx,
95 .sd_blksz_fw_dl = 256,
98 static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
100 .firmware = "mrvl/sd8797_uapsta.bin",
101 .reg = &btmrvl_reg_87xx,
102 .sd_blksz_fw_dl = 256,
105 static const struct sdio_device_id btmrvl_sdio_ids[] = {
106 /* Marvell SD8688 Bluetooth device */
107 { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105),
108 .driver_data = (unsigned long) &btmrvl_sdio_sd8688 },
109 /* Marvell SD8787 Bluetooth device */
110 { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
111 .driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
112 /* Marvell SD8797 Bluetooth device */
113 { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
114 .driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
116 { } /* Terminating entry */
119 MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids);
121 static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card)
126 reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret);
133 static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat)
140 fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret);
144 fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret);
148 *dat = (((u16) fws1) << 8) | fws0;
153 static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat)
158 reg = sdio_readb(card->func, card->reg->card_rx_len, &ret);
160 *dat = (u16) reg << card->rx_unit;
165 static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card,
170 sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret);
172 BT_ERR("Unable to enable the host interrupt!");
179 static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card,
185 host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret);
189 host_int_mask &= ~mask;
191 sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret);
193 BT_ERR("Unable to disable the host interrupt!");
200 static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits)
206 for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) {
207 status = sdio_readb(card->func, card->reg->card_status, &ret);
210 if ((status & bits) == bits)
219 BT_ERR("FAILED! ret=%d", ret);
224 static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card,
227 int ret = -ETIMEDOUT;
231 /* Wait for firmware to become ready */
232 for (tries = 0; tries < pollnum; tries++) {
233 if (btmrvl_sdio_read_fw_status(card, &firmwarestat) < 0)
236 if (firmwarestat == FIRMWARE_READY) {
247 static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card)
249 const struct firmware *fw_helper = NULL;
250 const u8 *helper = NULL;
252 void *tmphlprbuf = NULL;
253 int tmphlprbufsz, hlprblknow, helperlen;
257 ret = request_firmware(&fw_helper, card->helper,
259 if ((ret < 0) || !fw_helper) {
260 BT_ERR("request_firmware(helper) failed, error code = %d",
266 helper = fw_helper->data;
267 helperlen = fw_helper->size;
269 BT_DBG("Downloading helper image (%d bytes), block size %d bytes",
270 helperlen, SDIO_BLOCK_SIZE);
272 tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN);
274 tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL);
276 BT_ERR("Unable to allocate buffer for helper."
277 " Terminating download");
282 helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN);
284 /* Perform helper data transfer */
285 tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE)
290 ret = btmrvl_sdio_poll_card_status(card,
291 CARD_IO_READY | DN_LD_CARD_RDY);
293 BT_ERR("Helper download poll status timeout @ %d",
298 /* Check if there is more data? */
299 if (hlprblknow >= helperlen)
302 if (helperlen - hlprblknow < tx_len)
303 tx_len = helperlen - hlprblknow;
306 helperbuf[0] = ((tx_len & 0x000000ff) >> 0);
307 helperbuf[1] = ((tx_len & 0x0000ff00) >> 8);
308 helperbuf[2] = ((tx_len & 0x00ff0000) >> 16);
309 helperbuf[3] = ((tx_len & 0xff000000) >> 24);
311 memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow],
314 /* Now send the data */
315 ret = sdio_writesb(card->func, card->ioport, helperbuf,
316 FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE);
318 BT_ERR("IO error during helper download @ %d",
323 hlprblknow += tx_len;
326 BT_DBG("Transferring helper image EOF block");
328 memset(helperbuf, 0x0, SDIO_BLOCK_SIZE);
330 ret = sdio_writesb(card->func, card->ioport, helperbuf,
333 BT_ERR("IO error in writing helper image EOF block");
342 release_firmware(fw_helper);
347 static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card)
349 const struct firmware *fw_firmware = NULL;
350 const u8 *firmware = NULL;
351 int firmwarelen, tmpfwbufsz, ret;
352 unsigned int tries, offset;
354 void *tmpfwbuf = NULL;
356 u16 len, blksz_dl = card->sd_blksz_fw_dl;
357 int txlen = 0, tx_blocks = 0, count = 0;
359 ret = request_firmware(&fw_firmware, card->firmware,
361 if ((ret < 0) || !fw_firmware) {
362 BT_ERR("request_firmware(firmware) failed, error code = %d",
368 firmware = fw_firmware->data;
369 firmwarelen = fw_firmware->size;
371 BT_DBG("Downloading FW image (%d bytes)", firmwarelen);
373 tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN);
374 tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL);
376 BT_ERR("Unable to allocate buffer for firmware."
377 " Terminating download");
382 /* Ensure aligned firmware buffer */
383 fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN);
385 /* Perform firmware data transfer */
388 ret = btmrvl_sdio_poll_card_status(card,
389 CARD_IO_READY | DN_LD_CARD_RDY);
391 BT_ERR("FW download with helper poll status"
392 " timeout @ %d", offset);
396 /* Check if there is more data ? */
397 if (offset >= firmwarelen)
400 for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
401 base0 = sdio_readb(card->func,
402 card->reg->sq_read_base_addr_a0, &ret);
404 BT_ERR("BASE0 register read failed:"
405 " base0 = 0x%04X(%d)."
406 " Terminating download",
411 base1 = sdio_readb(card->func,
412 card->reg->sq_read_base_addr_a1, &ret);
414 BT_ERR("BASE1 register read failed:"
415 " base1 = 0x%04X(%d)."
416 " Terminating download",
422 len = (((u16) base1) << 8) | base0;
431 else if (len > BTM_UPLD_SIZE) {
432 BT_ERR("FW download failure @%d, invalid length %d",
442 if (count > MAX_WRITE_IOMEM_RETRY) {
443 BT_ERR("FW download failure @%d, "
444 "over max retry count", offset);
448 BT_ERR("FW CRC error indicated by the helper: "
449 "len = 0x%04X, txlen = %d", len, txlen);
451 /* Set txlen to 0 so as to resend from same offset */
457 if (firmwarelen - offset < txlen)
458 txlen = firmwarelen - offset;
460 tx_blocks = (txlen + blksz_dl - 1) / blksz_dl;
462 memcpy(fwbuf, &firmware[offset], txlen);
465 ret = sdio_writesb(card->func, card->ioport, fwbuf,
466 tx_blocks * blksz_dl);
469 BT_ERR("FW download, writesb(%d) failed @%d",
471 sdio_writeb(card->func, HOST_CMD53_FIN,
472 card->reg->cfg, &ret);
474 BT_ERR("writeb failed (CFG)");
480 BT_DBG("FW download over, size %d bytes", offset);
488 release_firmware(fw_firmware);
493 static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv)
496 int ret, buf_block_len, blksz;
497 struct sk_buff *skb = NULL;
500 struct hci_dev *hdev = priv->btmrvl_dev.hcidev;
501 struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
503 if (!card || !card->func) {
504 BT_ERR("card or function is NULL!");
509 /* Read the length of data to be transferred */
510 ret = btmrvl_sdio_read_rx_len(card, &buf_len);
512 BT_ERR("read rx_len failed");
517 blksz = SDIO_BLOCK_SIZE;
518 buf_block_len = (buf_len + blksz - 1) / blksz;
520 if (buf_len <= SDIO_HEADER_LEN
521 || (buf_block_len * blksz) > ALLOC_BUF_SIZE) {
522 BT_ERR("invalid packet length: %d", buf_len);
527 /* Allocate buffer */
528 skb = bt_skb_alloc(buf_block_len * blksz + BTSDIO_DMA_ALIGN,
531 BT_ERR("No free skb");
535 if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) {
536 skb_put(skb, (unsigned long) skb->data &
537 (BTSDIO_DMA_ALIGN - 1));
538 skb_pull(skb, (unsigned long) skb->data &
539 (BTSDIO_DMA_ALIGN - 1));
544 ret = sdio_readsb(card->func, payload, card->ioport,
545 buf_block_len * blksz);
547 BT_ERR("readsb failed: %d", ret);
552 /* This is SDIO specific header length: byte[2][1][0], type: byte[3]
553 * (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor)
556 buf_len = payload[0];
557 buf_len |= (u16) payload[1] << 8;
561 case HCI_ACLDATA_PKT:
562 case HCI_SCODATA_PKT:
564 bt_cb(skb)->pkt_type = type;
565 skb->dev = (void *)hdev;
566 skb_put(skb, buf_len);
567 skb_pull(skb, SDIO_HEADER_LEN);
569 if (type == HCI_EVENT_PKT)
570 btmrvl_check_evtpkt(priv, skb);
573 hdev->stat.byte_rx += buf_len;
576 case MRVL_VENDOR_PKT:
577 bt_cb(skb)->pkt_type = HCI_VENDOR_PKT;
578 skb->dev = (void *)hdev;
579 skb_put(skb, buf_len);
580 skb_pull(skb, SDIO_HEADER_LEN);
582 if (btmrvl_process_event(priv, skb))
585 hdev->stat.byte_rx += buf_len;
589 BT_ERR("Unknown packet type:%d", type);
590 print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, payload,
591 blksz * buf_block_len);
608 static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv)
612 struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
614 spin_lock_irqsave(&priv->driver_lock, flags);
617 spin_unlock_irqrestore(&priv->driver_lock, flags);
619 sdio_claim_host(card->func);
620 if (ireg & DN_LD_HOST_INT_STATUS) {
621 if (priv->btmrvl_dev.tx_dnld_rdy)
622 BT_DBG("tx_done already received: "
623 " int_status=0x%x", ireg);
625 priv->btmrvl_dev.tx_dnld_rdy = true;
628 if (ireg & UP_LD_HOST_INT_STATUS)
629 btmrvl_sdio_card_to_host(priv);
631 sdio_release_host(card->func);
636 static void btmrvl_sdio_interrupt(struct sdio_func *func)
638 struct btmrvl_private *priv;
639 struct btmrvl_sdio_card *card;
644 card = sdio_get_drvdata(func);
645 if (!card || !card->priv) {
646 BT_ERR("sbi_interrupt(%p) card or priv is "
647 "NULL, card=%p\n", func, card);
653 ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret);
655 BT_ERR("sdio_readb: read int status register failed");
661 * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
662 * Clear the interrupt status register and re-enable the
665 BT_DBG("ireg = 0x%x", ireg);
667 sdio_writeb(card->func, ~(ireg) & (DN_LD_HOST_INT_STATUS |
668 UP_LD_HOST_INT_STATUS),
669 card->reg->host_intstatus, &ret);
671 BT_ERR("sdio_writeb: clear int status register failed");
676 spin_lock_irqsave(&priv->driver_lock, flags);
678 spin_unlock_irqrestore(&priv->driver_lock, flags);
680 btmrvl_interrupt(priv);
683 static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card)
685 struct sdio_func *func;
689 if (!card || !card->func) {
690 BT_ERR("Error: card or function is NULL!");
697 sdio_claim_host(func);
699 ret = sdio_enable_func(func);
701 BT_ERR("sdio_enable_func() failed: ret=%d", ret);
706 ret = sdio_claim_irq(func, btmrvl_sdio_interrupt);
708 BT_ERR("sdio_claim_irq failed: ret=%d", ret);
713 ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE);
715 BT_ERR("cannot set SDIO block size");
720 reg = sdio_readb(func, card->reg->io_port_0, &ret);
728 reg = sdio_readb(func, card->reg->io_port_1, &ret);
734 card->ioport |= (reg << 8);
736 reg = sdio_readb(func, card->reg->io_port_2, &ret);
742 card->ioport |= (reg << 16);
744 BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport);
746 sdio_set_drvdata(func, card);
748 sdio_release_host(func);
753 sdio_release_irq(func);
756 sdio_disable_func(func);
759 sdio_release_host(func);
765 static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card)
767 if (card && card->func) {
768 sdio_claim_host(card->func);
769 sdio_release_irq(card->func);
770 sdio_disable_func(card->func);
771 sdio_release_host(card->func);
772 sdio_set_drvdata(card->func, NULL);
778 static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card)
782 if (!card || !card->func)
785 sdio_claim_host(card->func);
787 ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE);
789 btmrvl_sdio_get_rx_unit(card);
791 sdio_release_host(card->func);
796 static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card)
800 if (!card || !card->func)
803 sdio_claim_host(card->func);
805 ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE);
807 sdio_release_host(card->func);
812 static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv,
815 struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
824 if (!card || !card->func) {
825 BT_ERR("card or function is NULL!");
830 if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1)) {
831 tmpbufsz = ALIGN_SZ(nb, BTSDIO_DMA_ALIGN);
832 tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL);
835 buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN);
836 memcpy(buf, payload, nb);
839 blksz = SDIO_BLOCK_SIZE;
840 buf_block_len = (nb + blksz - 1) / blksz;
842 sdio_claim_host(card->func);
845 /* Transfer data to card */
846 ret = sdio_writesb(card->func, card->ioport, buf,
847 buf_block_len * blksz);
850 BT_ERR("i=%d writesb failed: %d", i, ret);
851 print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
854 if (i > MAX_WRITE_IOMEM_RETRY)
859 priv->btmrvl_dev.tx_dnld_rdy = false;
862 sdio_release_host(card->func);
868 static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card)
872 int pollnum = MAX_POLL_TRIES;
874 if (!card || !card->func) {
875 BT_ERR("card or function is NULL!");
878 sdio_claim_host(card->func);
880 if (!btmrvl_sdio_verify_fw_download(card, 1)) {
881 BT_DBG("Firmware already downloaded!");
885 /* Check if other function driver is downloading the firmware */
886 fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret);
888 BT_ERR("Failed to read FW downloading status!");
893 BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0);
895 /* Give other function more time to download the firmware */
899 ret = btmrvl_sdio_download_helper(card);
901 BT_ERR("Failed to download helper!");
907 if (btmrvl_sdio_download_fw_w_helper(card)) {
908 BT_ERR("Failed to download firmware!");
914 if (btmrvl_sdio_verify_fw_download(card, pollnum)) {
915 BT_ERR("FW failed to be active in time!");
921 sdio_release_host(card->func);
926 static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv)
928 struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
931 if (!card || !card->func) {
932 BT_ERR("card or function is NULL!");
936 sdio_claim_host(card->func);
938 sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret);
940 sdio_release_host(card->func);
942 BT_DBG("wake up firmware");
947 static int btmrvl_sdio_probe(struct sdio_func *func,
948 const struct sdio_device_id *id)
951 struct btmrvl_private *priv = NULL;
952 struct btmrvl_sdio_card *card = NULL;
954 BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d",
955 id->vendor, id->device, id->class, func->num);
957 card = kzalloc(sizeof(*card), GFP_KERNEL);
965 if (id->driver_data) {
966 struct btmrvl_sdio_device *data = (void *) id->driver_data;
967 card->helper = data->helper;
968 card->firmware = data->firmware;
969 card->reg = data->reg;
970 card->sd_blksz_fw_dl = data->sd_blksz_fw_dl;
973 if (btmrvl_sdio_register_dev(card) < 0) {
974 BT_ERR("Failed to register BT device!");
979 /* Disable the interrupts on the card */
980 btmrvl_sdio_disable_host_int(card);
982 if (btmrvl_sdio_download_fw(card)) {
983 BT_ERR("Downloading firmware failed!");
990 btmrvl_sdio_enable_host_int(card);
992 priv = btmrvl_add_card(card);
994 BT_ERR("Initializing card failed!");
996 goto disable_host_int;
1001 /* Initialize the interface specific function pointers */
1002 priv->hw_host_to_card = btmrvl_sdio_host_to_card;
1003 priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw;
1004 priv->hw_process_int_status = btmrvl_sdio_process_int_status;
1006 if (btmrvl_register_hdev(priv)) {
1007 BT_ERR("Register hdev failed!");
1009 goto disable_host_int;
1012 priv->btmrvl_dev.psmode = 1;
1013 btmrvl_enable_ps(priv);
1018 btmrvl_sdio_disable_host_int(card);
1020 btmrvl_sdio_unregister_dev(card);
1027 static void btmrvl_sdio_remove(struct sdio_func *func)
1029 struct btmrvl_sdio_card *card;
1032 card = sdio_get_drvdata(func);
1034 /* Send SHUTDOWN command & disable interrupt
1035 * if user removes the module.
1038 btmrvl_send_module_cfg_cmd(card->priv,
1039 MODULE_SHUTDOWN_REQ);
1040 btmrvl_sdio_disable_host_int(card);
1042 BT_DBG("unregester dev");
1043 btmrvl_sdio_unregister_dev(card);
1044 btmrvl_remove_card(card->priv);
1050 static struct sdio_driver bt_mrvl_sdio = {
1051 .name = "btmrvl_sdio",
1052 .id_table = btmrvl_sdio_ids,
1053 .probe = btmrvl_sdio_probe,
1054 .remove = btmrvl_sdio_remove,
1057 static int __init btmrvl_sdio_init_module(void)
1059 if (sdio_register_driver(&bt_mrvl_sdio) != 0) {
1060 BT_ERR("SDIO Driver Registration Failed");
1064 /* Clear the flag in case user removes the card. */
1070 static void __exit btmrvl_sdio_exit_module(void)
1072 /* Set the flag as user is removing this module. */
1075 sdio_unregister_driver(&bt_mrvl_sdio);
1078 module_init(btmrvl_sdio_init_module);
1079 module_exit(btmrvl_sdio_exit_module);
1081 MODULE_AUTHOR("Marvell International Ltd.");
1082 MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION);
1083 MODULE_VERSION(VERSION);
1084 MODULE_LICENSE("GPL v2");
1085 MODULE_FIRMWARE("sd8688_helper.bin");
1086 MODULE_FIRMWARE("sd8688.bin");
1087 MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
1088 MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");