diff options
Diffstat (limited to 'package/libertas/src/if_sdio.c')
| -rw-r--r-- | package/libertas/src/if_sdio.c | 1032 |
1 files changed, 0 insertions, 1032 deletions
diff --git a/package/libertas/src/if_sdio.c b/package/libertas/src/if_sdio.c deleted file mode 100644 index 51f664b..0000000 --- a/package/libertas/src/if_sdio.c +++ /dev/null @@ -1,1032 +0,0 @@ -/* - * linux/drivers/net/wireless/libertas/if_sdio.c - * - * Copyright 2007 Pierre Ossman - * - * Inspired by if_cs.c, Copyright 2007 Holger Schurig - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This hardware has more or less no CMD53 support, so all registers - * must be accessed using sdio_readb()/sdio_writeb(). - * - * Transfers must be in one transaction or the firmware goes bonkers. - * This means that the transfer must either be small enough to do a - * byte based transfer or it must be padded to a multiple of the - * current block size. - * - * As SDIO is still new to the kernel, it is unfortunately common with - * bugs in the host controllers related to that. One such bug is that - * controllers cannot do transfers that aren't a multiple of 4 bytes. - * If you don't have time to fix the host controller driver, you can - * work around the problem by modifying if_sdio_host_to_card() and - * if_sdio_card_to_host() to pad the data. - */ - -#include <linux/moduleparam.h> -#include <linux/firmware.h> -#include <linux/netdevice.h> -#include <linux/delay.h> -#include <linux/mmc/card.h> -#include <linux/mmc/sdio_func.h> -#include <linux/mmc/sdio_ids.h> - -#include "host.h" -#include "decl.h" -#include "defs.h" -#include "dev.h" -#include "if_sdio.h" - -static char *lbs_helper_name = NULL; -module_param_named(helper_name, lbs_helper_name, charp, 0644); - -static char *lbs_fw_name = NULL; -module_param_named(fw_name, lbs_fw_name, charp, 0644); - -static const struct sdio_device_id if_sdio_ids[] = { - { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_LIBERTAS) }, - { /* end: all zeroes */ }, -}; - -MODULE_DEVICE_TABLE(sdio, if_sdio_ids); - -struct if_sdio_model { - int model; - const char *helper; - const char *firmware; -}; - -static struct if_sdio_model if_sdio_models[] = { - { - /* 8385 */ - .model = 0x04, - .helper = "sd8385_helper.bin", - .firmware = "sd8385.bin", - }, - { - /* 8686 */ - .model = 0x0B, - .helper = "sd8686_helper.bin", - .firmware = "sd8686.bin", - }, -}; - -struct if_sdio_packet { - struct if_sdio_packet *next; - u16 nb; - u8 buffer[0] __attribute__((aligned(4))); -}; - -struct if_sdio_card { - struct sdio_func *func; - struct lbs_private *priv; - - int model; - unsigned long ioport; - - const char *helper; - const char *firmware; - - u8 buffer[65536]; - - spinlock_t lock; - struct if_sdio_packet *packets; - struct work_struct packet_worker; -}; - -/********************************************************************/ -/* I/O */ -/********************************************************************/ - -static u16 if_sdio_read_scratch(struct if_sdio_card *card, int *err) -{ - int ret, reg; - u16 scratch; - - if (card->model == 0x04) - reg = IF_SDIO_SCRATCH_OLD; - else - reg = IF_SDIO_SCRATCH; - - scratch = sdio_readb(card->func, reg, &ret); - if (!ret) - scratch |= sdio_readb(card->func, reg + 1, &ret) << 8; - - if (err) - *err = ret; - - if (ret) - return 0xffff; - - return scratch; -} - -static int if_sdio_handle_cmd(struct if_sdio_card *card, - u8 *buffer, unsigned size) -{ - struct lbs_private *priv = card->priv; - int ret; - unsigned long flags; - u8 i; - - lbs_deb_enter(LBS_DEB_SDIO); - - if (size > LBS_CMD_BUFFER_SIZE) { - lbs_deb_sdio("response packet too large (%d bytes)\n", - (int)size); - ret = -E2BIG; - goto out; - } - - spin_lock_irqsave(&priv->driver_lock, flags); - - i = (priv->resp_idx == 0) ? 1 : 0; - BUG_ON(priv->resp_len[i]); - priv->resp_len[i] = size; - memcpy(priv->resp_buf[i], buffer, size); - lbs_notify_command_response(priv, i); - - spin_unlock_irqrestore(&card->priv->driver_lock, flags); - - ret = 0; - -out: - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - return ret; -} - -static int if_sdio_handle_data(struct if_sdio_card *card, - u8 *buffer, unsigned size) -{ - int ret; - struct sk_buff *skb; - char *data; - - lbs_deb_enter(LBS_DEB_SDIO); - - if (size > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE) { - lbs_deb_sdio("response packet too large (%d bytes)\n", - (int)size); - ret = -E2BIG; - goto out; - } - - skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + NET_IP_ALIGN); - if (!skb) { - ret = -ENOMEM; - goto out; - } - - skb_reserve(skb, NET_IP_ALIGN); - - data = skb_put(skb, size); - - memcpy(data, buffer, size); - - lbs_process_rxed_packet(card->priv, skb); - - ret = 0; - -out: - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -static int if_sdio_handle_event(struct if_sdio_card *card, - u8 *buffer, unsigned size) -{ - int ret; - u32 event; - - lbs_deb_enter(LBS_DEB_SDIO); - - if (card->model == 0x04) { - event = sdio_readb(card->func, IF_SDIO_EVENT, &ret); - if (ret) - goto out; - } else { - if (size < 4) { - lbs_deb_sdio("event packet too small (%d bytes)\n", - (int)size); - ret = -EINVAL; - goto out; - } - event = buffer[3] << 24; - event |= buffer[2] << 16; - event |= buffer[1] << 8; - event |= buffer[0] << 0; - } - - lbs_queue_event(card->priv, event & 0xFF); - ret = 0; - -out: - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -static int if_sdio_card_to_host(struct if_sdio_card *card) -{ - int ret; - u8 status; - u16 size, type, chunk; - unsigned long timeout; - - lbs_deb_enter(LBS_DEB_SDIO); - - size = if_sdio_read_scratch(card, &ret); - if (ret) - goto out; - - if (size < 4) { - lbs_deb_sdio("invalid packet size (%d bytes) from firmware\n", - (int)size); - ret = -EINVAL; - goto out; - } - - timeout = jiffies + HZ; - while (1) { - status = sdio_readb(card->func, IF_SDIO_STATUS, &ret); - if (ret) - goto out; - if (status & IF_SDIO_IO_RDY) - break; - if (time_after(jiffies, timeout)) { - ret = -ETIMEDOUT; - goto out; - } - mdelay(1); - } - - /* - * The transfer must be in one transaction or the firmware - * goes suicidal. - */ - chunk = size; - if ((chunk > card->func->cur_blksize) || (chunk > 512)) { - chunk = (chunk + card->func->cur_blksize - 1) / - card->func->cur_blksize * card->func->cur_blksize; - } - - ret = sdio_readsb(card->func, card->buffer, card->ioport, chunk); - if (ret) - goto out; - - chunk = card->buffer[0] | (card->buffer[1] << 8); - type = card->buffer[2] | (card->buffer[3] << 8); - - lbs_deb_sdio("packet of type %d and size %d bytes\n", - (int)type, (int)chunk); - - if (chunk > size) { - lbs_deb_sdio("packet fragment (%d > %d)\n", - (int)chunk, (int)size); - ret = -EINVAL; - goto out; - } - - if (chunk < size) { - lbs_deb_sdio("packet fragment (%d < %d)\n", - (int)chunk, (int)size); - } - - switch (type) { - case MVMS_CMD: - ret = if_sdio_handle_cmd(card, card->buffer + 4, chunk - 4); - if (ret) - goto out; - break; - case MVMS_DAT: - ret = if_sdio_handle_data(card, card->buffer + 4, chunk - 4); - if (ret) - goto out; - break; - case MVMS_EVENT: - ret = if_sdio_handle_event(card, card->buffer + 4, chunk - 4); - if (ret) - goto out; - break; - default: - lbs_deb_sdio("invalid type (%d) from firmware\n", - (int)type); - ret = -EINVAL; - goto out; - } - -out: - if (ret) - lbs_pr_err("problem fetching packet from firmware\n"); - - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -static void if_sdio_host_to_card_worker(struct work_struct *work) -{ - struct if_sdio_card *card; - struct if_sdio_packet *packet; - unsigned long timeout; - u8 status; - int ret; - unsigned long flags; - - lbs_deb_enter(LBS_DEB_SDIO); - - card = container_of(work, struct if_sdio_card, packet_worker); - - while (1) { - spin_lock_irqsave(&card->lock, flags); - packet = card->packets; - if (packet) - card->packets = packet->next; - spin_unlock_irqrestore(&card->lock, flags); - - if (!packet) - break; - - sdio_claim_host(card->func); - - timeout = jiffies + HZ; - while (1) { - status = sdio_readb(card->func, IF_SDIO_STATUS, &ret); - if (ret) - goto release; - if (status & IF_SDIO_IO_RDY) - break; - if (time_after(jiffies, timeout)) { - ret = -ETIMEDOUT; - goto release; - } - mdelay(1); - } - - ret = sdio_writesb(card->func, card->ioport, - packet->buffer, packet->nb); - if (ret) - goto release; -release: - sdio_release_host(card->func); - - kfree(packet); - } - - lbs_deb_leave(LBS_DEB_SDIO); -} - -/********************************************************************/ -/* Firmware */ -/********************************************************************/ - -static int if_sdio_prog_helper(struct if_sdio_card *card) -{ - int ret; - u8 status; - const struct firmware *fw; - unsigned long timeout; - u8 *chunk_buffer; - u32 chunk_size; - u8 *firmware; - size_t size; - - lbs_deb_enter(LBS_DEB_SDIO); - - ret = request_firmware(&fw, card->helper, &card->func->dev); - if (ret) { - lbs_pr_err("can't load helper firmware\n"); - goto out; - } - - chunk_buffer = kzalloc(64, GFP_KERNEL); - if (!chunk_buffer) { - ret = -ENOMEM; - goto release_fw; - } - - sdio_claim_host(card->func); - - ret = sdio_set_block_size(card->func, 32); - if (ret) - goto release; - - firmware = fw->data; - size = fw->size; - - while (size) { - timeout = jiffies + HZ; - while (1) { - status = sdio_readb(card->func, IF_SDIO_STATUS, &ret); - if (ret) - goto release; - if ((status & IF_SDIO_IO_RDY) && - (status & IF_SDIO_DL_RDY)) - break; - if (time_after(jiffies, timeout)) { - ret = -ETIMEDOUT; - goto release; - } - mdelay(1); - } - - chunk_size = min(size, (size_t)60); - - *((__le32*)chunk_buffer) = cpu_to_le32(chunk_size); - memcpy(chunk_buffer + 4, firmware, chunk_size); -/* - lbs_deb_sdio("sending %d bytes chunk\n", chunk_size); -*/ - ret = sdio_writesb(card->func, card->ioport, - chunk_buffer, 64); - if (ret) - goto release; - - firmware += chunk_size; - size -= chunk_size; - } - - /* an empty block marks the end of the transfer */ - memset(chunk_buffer, 0, 4); - ret = sdio_writesb(card->func, card->ioport, chunk_buffer, 64); - if (ret) - goto release; - - lbs_deb_sdio("waiting for helper to boot...\n"); - - /* wait for the helper to boot by looking at the size register */ - timeout = jiffies + HZ; - while (1) { - u16 req_size; - - req_size = sdio_readb(card->func, IF_SDIO_RD_BASE, &ret); - if (ret) - goto release; - - req_size |= sdio_readb(card->func, IF_SDIO_RD_BASE + 1, &ret) << 8; - if (ret) - goto release; - - if (req_size != 0) - break; - - if (time_after(jiffies, timeout)) { - ret = -ETIMEDOUT; - goto release; - } - - msleep(10); - } - - ret = 0; - -release: - sdio_set_block_size(card->func, 0); - sdio_release_host(card->func); - kfree(chunk_buffer); -release_fw: - release_firmware(fw); - -out: - if (ret) - lbs_pr_err("failed to load helper firmware\n"); - - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -static int if_sdio_prog_real(struct if_sdio_card *card) -{ - int ret; - u8 status; - const struct firmware *fw; - unsigned long timeout; - u8 *chunk_buffer; - u32 chunk_size; - u8 *firmware; - size_t size, req_size; - - lbs_deb_enter(LBS_DEB_SDIO); - - ret = request_firmware(&fw, card->firmware, &card->func->dev); - if (ret) { - lbs_pr_err("can't load firmware\n"); - goto out; - } - - chunk_buffer = kzalloc(512, GFP_KERNEL); - if (!chunk_buffer) { - ret = -ENOMEM; - goto release_fw; - } - - sdio_claim_host(card->func); - - ret = sdio_set_block_size(card->func, 32); - if (ret) - goto release; - - firmware = fw->data; - size = fw->size; - - while (size) { - timeout = jiffies + HZ; - while (1) { - status = sdio_readb(card->func, IF_SDIO_STATUS, &ret); - if (ret) - goto release; - if ((status & IF_SDIO_IO_RDY) && - (status & IF_SDIO_DL_RDY)) - break; - if (time_after(jiffies, timeout)) { - ret = -ETIMEDOUT; - goto release; - } - mdelay(1); - } - - req_size = sdio_readb(card->func, IF_SDIO_RD_BASE, &ret); - if (ret) - goto release; - - req_size |= sdio_readb(card->func, IF_SDIO_RD_BASE + 1, &ret) << 8; - if (ret) - goto release; -/* - lbs_deb_sdio("firmware wants %d bytes\n", (int)req_size); -*/ - if (req_size == 0) { - lbs_deb_sdio("firmware helper gave up early\n"); - ret = -EIO; - goto release; - } - - if (req_size & 0x01) { - lbs_deb_sdio("firmware helper signalled error\n"); - ret = -EIO; - goto release; - } - - if (req_size > size) - req_size = size; - - while (req_size) { - chunk_size = min(req_size, (size_t)512); - - memcpy(chunk_buffer, firmware, chunk_size); -/* - lbs_deb_sdio("sending %d bytes (%d bytes) chunk\n", - chunk_size, (chunk_size + 31) / 32 * 32); -*/ - ret = sdio_writesb(card->func, card->ioport, - chunk_buffer, (chunk_size + 31) / 32 * 32); - if (ret) - goto release; - - firmware += chunk_size; - size -= chunk_size; - req_size -= chunk_size; - } - } - - ret = 0; - - lbs_deb_sdio("waiting for firmware to boot...\n"); - - /* wait for the firmware to boot */ - timeout = jiffies + HZ; - while (1) { - u16 scratch; - - scratch = if_sdio_read_scratch(card, &ret); - if (ret) - goto release; - - if (scratch == IF_SDIO_FIRMWARE_OK) - break; - - if (time_after(jiffies, timeout)) { - ret = -ETIMEDOUT; - goto release; - } - - msleep(10); - } - - ret = 0; - -release: - sdio_set_block_size(card->func, 0); - sdio_release_host(card->func); - kfree(chunk_buffer); -release_fw: - release_firmware(fw); - -out: - if (ret) - lbs_pr_err("failed to load firmware\n"); - - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -static int if_sdio_prog_firmware(struct if_sdio_card *card) -{ - int ret; - u16 scratch; - - lbs_deb_enter(LBS_DEB_SDIO); - - sdio_claim_host(card->func); - scratch = if_sdio_read_scratch(card, &ret); - sdio_release_host(card->func); - - if (ret) - goto out; - - if (scratch == IF_SDIO_FIRMWARE_OK) { - lbs_deb_sdio("firmware already loaded\n"); - goto success; - } - - ret = if_sdio_prog_helper(card); - if (ret) - goto out; - - ret = if_sdio_prog_real(card); - if (ret) - goto out; - -success: - ret = 0; - -out: - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -/*******************************************************************/ -/* Libertas callbacks */ -/*******************************************************************/ - -static int if_sdio_host_to_card(struct lbs_private *priv, - u8 type, u8 *buf, u16 nb) -{ - int ret; - struct if_sdio_card *card; - struct if_sdio_packet *packet, *cur; - u16 size; - unsigned long flags; - - lbs_deb_enter_args(LBS_DEB_SDIO, "type %d, bytes %d", type, nb); - - card = priv->card; - - if (nb > (65536 - sizeof(struct if_sdio_packet) - 4)) { - ret = -EINVAL; - goto out; - } - - /* - * The transfer must be in one transaction or the firmware - * goes suicidal. - */ - size = nb + 4; - if ((size > card->func->cur_blksize) || (size > 512)) { - size = (size + card->func->cur_blksize - 1) / - card->func->cur_blksize * card->func->cur_blksize; - } - - packet = kzalloc(sizeof(struct if_sdio_packet) + size, - GFP_ATOMIC); - if (!packet) { - ret = -ENOMEM; - goto out; - } - - packet->next = NULL; - packet->nb = size; - - /* - * SDIO specific header. - */ - packet->buffer[0] = (nb + 4) & 0xff; - packet->buffer[1] = ((nb + 4) >> 8) & 0xff; - packet->buffer[2] = type; - packet->buffer[3] = 0; - - memcpy(packet->buffer + 4, buf, nb); - - spin_lock_irqsave(&card->lock, flags); - - if (!card->packets) - card->packets = packet; - else { - cur = card->packets; - while (cur->next) - cur = cur->next; - cur->next = packet; - } - - switch (type) { - case MVMS_CMD: - priv->dnld_sent = DNLD_CMD_SENT; - break; - case MVMS_DAT: - priv->dnld_sent = DNLD_DATA_SENT; - break; - default: - lbs_deb_sdio("unknown packet type %d\n", (int)type); - } - - spin_unlock_irqrestore(&card->lock, flags); - - schedule_work(&card->packet_worker); - - ret = 0; - -out: - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -/*******************************************************************/ -/* SDIO callbacks */ -/*******************************************************************/ - -static void if_sdio_interrupt(struct sdio_func *func) -{ - int ret; - struct if_sdio_card *card; - u8 cause; - - lbs_deb_enter(LBS_DEB_SDIO); - - card = sdio_get_drvdata(func); - - cause = sdio_readb(card->func, IF_SDIO_H_INT_STATUS, &ret); - if (ret) - goto out; - - lbs_deb_sdio("interrupt: 0x%X\n", (unsigned)cause); - - sdio_writeb(card->func, ~cause, IF_SDIO_H_INT_STATUS, &ret); - if (ret) - goto out; - - /* - * Ignore the define name, this really means the card has - * successfully received the command. - */ - if (cause & IF_SDIO_H_INT_DNLD) - lbs_host_to_card_done(card->priv); - - - if (cause & IF_SDIO_H_INT_UPLD) { - ret = if_sdio_card_to_host(card); - if (ret) - goto out; - } - - ret = 0; - -out: - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); -} - -static int if_sdio_probe(struct sdio_func *func, - const struct sdio_device_id *id) -{ - struct if_sdio_card *card; - struct lbs_private *priv; - int ret, i; - unsigned int model; - struct if_sdio_packet *packet; - - lbs_deb_enter(LBS_DEB_SDIO); - - for (i = 0;i < func->card->num_info;i++) { - if (sscanf(func->card->info[i], - "802.11 SDIO ID: %x", &model) == 1) - break; - if (sscanf(func->card->info[i], - "ID: %x", &model) == 1) - break; - if (!strcmp(func->card->info[i], "IBIS Wireless SDIO Card")) { - model = 4; - break; - } - } - - if (i == func->card->num_info) { - lbs_pr_err("unable to identify card model\n"); - return -ENODEV; - } - - card = kzalloc(sizeof(struct if_sdio_card), GFP_KERNEL); - if (!card) - return -ENOMEM; - - card->func = func; - card->model = model; - spin_lock_init(&card->lock); - INIT_WORK(&card->packet_worker, if_sdio_host_to_card_worker); - - for (i = 0;i < ARRAY_SIZE(if_sdio_models);i++) { - if (card->model == if_sdio_models[i].model) - break; - } - - if (i == ARRAY_SIZE(if_sdio_models)) { - lbs_pr_err("unkown card model 0x%x\n", card->model); - ret = -ENODEV; - goto free; - } - - card->helper = if_sdio_models[i].helper; - card->firmware = if_sdio_models[i].firmware; - - if (lbs_helper_name) { - lbs_deb_sdio("overriding helper firmware: %s\n", - lbs_helper_name); - card->helper = lbs_helper_name; - } - - if (lbs_fw_name) { - lbs_deb_sdio("overriding firmware: %s\n", lbs_fw_name); - card->firmware = lbs_fw_name; - } - - sdio_claim_host(func); - - ret = sdio_enable_func(func); - if (ret) - goto release; - - ret = sdio_claim_irq(func, if_sdio_interrupt); - if (ret) - goto disable; - - card->ioport = sdio_readb(func, IF_SDIO_IOPORT, &ret); - if (ret) - goto release_int; - - card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 1, &ret) << 8; - if (ret) - goto release_int; - - card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 2, &ret) << 16; - if (ret) - goto release_int; - - sdio_release_host(func); - - sdio_set_drvdata(func, card); - - lbs_deb_sdio("class = 0x%X, vendor = 0x%X, " - "device = 0x%X, model = 0x%X, ioport = 0x%X\n", - func->class, func->vendor, func->device, - model, (unsigned)card->ioport); - - ret = if_sdio_prog_firmware(card); - if (ret) - goto reclaim; - - priv = lbs_add_card(card, &func->dev); - if (!priv) { - ret = -ENOMEM; - goto reclaim; - } - - card->priv = priv; - - priv->card = card; - priv->hw_host_to_card = if_sdio_host_to_card; - - priv->fw_ready = 1; - - /* - * Enable interrupts now that everything is set up - */ - sdio_claim_host(func); - sdio_writeb(func, 0x0f, IF_SDIO_H_INT_MASK, &ret); - sdio_release_host(func); - if (ret) - goto reclaim; - - ret = lbs_start_card(priv); - if (ret) - goto err_activate_card; - -out: - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; - -err_activate_card: - flush_scheduled_work(); - free_netdev(priv->dev); - kfree(priv); -reclaim: - sdio_claim_host(func); -release_int: - sdio_release_irq(func); -disable: - sdio_disable_func(func); -release: - sdio_release_host(func); -free: - while (card->packets) { - packet = card->packets; - card->packets = card->packets->next; - kfree(packet); - } - - kfree(card); - - goto out; -} - -static void if_sdio_remove(struct sdio_func *func) -{ - struct if_sdio_card *card; - struct if_sdio_packet *packet; - - lbs_deb_enter(LBS_DEB_SDIO); - - card = sdio_get_drvdata(func); - - card->priv->surpriseremoved = 1; - - lbs_deb_sdio("call remove card\n"); - lbs_stop_card(card->priv); - lbs_remove_card(card->priv); - - flush_scheduled_work(); - - sdio_claim_host(func); - sdio_release_irq(func); - sdio_disable_func(func); - sdio_release_host(func); - - while (card->packets) { - packet = card->packets; - card->packets = card->packets->next; - kfree(packet); - } - - kfree(card); - - lbs_deb_leave(LBS_DEB_SDIO); -} - -static struct sdio_driver if_sdio_driver = { - .name = "libertas_sdio", - .id_table = if_sdio_ids, - .probe = if_sdio_probe, - .remove = if_sdio_remove, -}; - -/*******************************************************************/ -/* Module functions */ -/*******************************************************************/ - -static int __init if_sdio_init_module(void) -{ - int ret = 0; - - lbs_deb_enter(LBS_DEB_SDIO); - - printk(KERN_INFO "libertas_sdio: Libertas SDIO driver\n"); - printk(KERN_INFO "libertas_sdio: Copyright Pierre Ossman\n"); - - ret = sdio_register_driver(&if_sdio_driver); - - lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); - - return ret; -} - -static void __exit if_sdio_exit_module(void) -{ - lbs_deb_enter(LBS_DEB_SDIO); - - sdio_unregister_driver(&if_sdio_driver); - - lbs_deb_leave(LBS_DEB_SDIO); -} - -module_init(if_sdio_init_module); -module_exit(if_sdio_exit_module); - -MODULE_DESCRIPTION("Libertas SDIO WLAN Driver"); -MODULE_AUTHOR("Pierre Ossman"); -MODULE_LICENSE("GPL"); |