diff options
Diffstat (limited to 'package/libertas/src/if_cs.c')
| -rw-r--r-- | package/libertas/src/if_cs.c | 932 |
1 files changed, 0 insertions, 932 deletions
diff --git a/package/libertas/src/if_cs.c b/package/libertas/src/if_cs.c deleted file mode 100644 index 54280e2..0000000 --- a/package/libertas/src/if_cs.c +++ /dev/null @@ -1,932 +0,0 @@ -/* - - Driver for the Marvell 8385 based compact flash WLAN cards. - - (C) 2007 by Holger Schurig <hs4233@mail.mn-solutions.de> - - 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 program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/moduleparam.h> -#include <linux/firmware.h> -#include <linux/netdevice.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/ds.h> - -#include <linux/io.h> - -#define DRV_NAME "libertas_cs" - -#include "decl.h" -#include "defs.h" -#include "dev.h" - - -/********************************************************************/ -/* Module stuff */ -/********************************************************************/ - -MODULE_AUTHOR("Holger Schurig <hs4233@mail.mn-solutions.de>"); -MODULE_DESCRIPTION("Driver for Marvell 83xx compact flash WLAN cards"); -MODULE_LICENSE("GPL"); - - - -/********************************************************************/ -/* Data structures */ -/********************************************************************/ - -struct if_cs_card { - struct pcmcia_device *p_dev; - struct lbs_private *priv; - void __iomem *iobase; -}; - - - -/********************************************************************/ -/* Hardware access */ -/********************************************************************/ - -/* This define enables wrapper functions which allow you - to dump all register accesses. You normally won't this, - except for development */ -/* #define DEBUG_IO */ - -#ifdef DEBUG_IO -static int debug_output = 0; -#else -/* This way the compiler optimizes the printk's away */ -#define debug_output 0 -#endif - -static inline unsigned int if_cs_read8(struct if_cs_card *card, uint reg) -{ - unsigned int val = ioread8(card->iobase + reg); - if (debug_output) - printk(KERN_INFO "inb %08x<%02x\n", reg, val); - return val; -} -static inline unsigned int if_cs_read16(struct if_cs_card *card, uint reg) -{ - unsigned int val = ioread16(card->iobase + reg); - if (debug_output) - printk(KERN_INFO "inw %08x<%04x\n", reg, val); - return val; -} -static inline void if_cs_read16_rep( - struct if_cs_card *card, - uint reg, - void *buf, - unsigned long count) -{ - if (debug_output) - printk(KERN_INFO "insw %08x<(0x%lx words)\n", - reg, count); - ioread16_rep(card->iobase + reg, buf, count); -} - -static inline void if_cs_write8(struct if_cs_card *card, uint reg, u8 val) -{ - if (debug_output) - printk(KERN_INFO "outb %08x>%02x\n", reg, val); - iowrite8(val, card->iobase + reg); -} - -static inline void if_cs_write16(struct if_cs_card *card, uint reg, u16 val) -{ - if (debug_output) - printk(KERN_INFO "outw %08x>%04x\n", reg, val); - iowrite16(val, card->iobase + reg); -} - -static inline void if_cs_write16_rep( - struct if_cs_card *card, - uint reg, - void *buf, - unsigned long count) -{ - if (debug_output) - printk(KERN_INFO "outsw %08x>(0x%lx words)\n", - reg, count); - iowrite16_rep(card->iobase + reg, buf, count); -} - - -/* - * I know that polling/delaying is frowned upon. However, this procedure - * with polling is needed while downloading the firmware. At this stage, - * the hardware does unfortunately not create any interrupts. - * - * Fortunately, this function is never used once the firmware is in - * the card. :-) - * - * As a reference, see the "Firmware Specification v5.1", page 18 - * and 19. I did not follow their suggested timing to the word, - * but this works nice & fast anyway. - */ -static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 reg) -{ - int i; - - for (i = 0; i < 1000; i++) { - u8 val = if_cs_read8(card, addr); - if (val == reg) - return i; - udelay(500); - } - return -ETIME; -} - - - -/* Host control registers and their bit definitions */ - -#define IF_CS_H_STATUS 0x00000000 -#define IF_CS_H_STATUS_TX_OVER 0x0001 -#define IF_CS_H_STATUS_RX_OVER 0x0002 -#define IF_CS_H_STATUS_DNLD_OVER 0x0004 - -#define IF_CS_H_INT_CAUSE 0x00000002 -#define IF_CS_H_IC_TX_OVER 0x0001 -#define IF_CS_H_IC_RX_OVER 0x0002 -#define IF_CS_H_IC_DNLD_OVER 0x0004 -#define IF_CS_H_IC_POWER_DOWN 0x0008 -#define IF_CS_H_IC_HOST_EVENT 0x0010 -#define IF_CS_H_IC_MASK 0x001f - -#define IF_CS_H_INT_MASK 0x00000004 -#define IF_CS_H_IM_MASK 0x001f - -#define IF_CS_H_WRITE_LEN 0x00000014 - -#define IF_CS_H_WRITE 0x00000016 - -#define IF_CS_H_CMD_LEN 0x00000018 - -#define IF_CS_H_CMD 0x0000001A - -#define IF_CS_C_READ_LEN 0x00000024 - -#define IF_CS_H_READ 0x00000010 - -/* Card control registers and their bit definitions */ - -#define IF_CS_C_STATUS 0x00000020 -#define IF_CS_C_S_TX_DNLD_RDY 0x0001 -#define IF_CS_C_S_RX_UPLD_RDY 0x0002 -#define IF_CS_C_S_CMD_DNLD_RDY 0x0004 -#define IF_CS_C_S_CMD_UPLD_RDY 0x0008 -#define IF_CS_C_S_CARDEVENT 0x0010 -#define IF_CS_C_S_MASK 0x001f -#define IF_CS_C_S_STATUS_MASK 0x7f00 - -#define IF_CS_C_INT_CAUSE 0x00000022 -#define IF_CS_C_IC_MASK 0x001f - -#define IF_CS_C_SQ_READ_LOW 0x00000028 -#define IF_CS_C_SQ_HELPER_OK 0x10 - -#define IF_CS_C_CMD_LEN 0x00000030 - -#define IF_CS_C_CMD 0x00000012 - -#define IF_CS_SCRATCH 0x0000003F - - - -/********************************************************************/ -/* I/O */ -/********************************************************************/ - -/* - * Called from if_cs_host_to_card to send a command to the hardware - */ -static int if_cs_send_cmd(struct lbs_private *priv, u8 *buf, u16 nb) -{ - struct if_cs_card *card = (struct if_cs_card *)priv->card; - int ret = -1; - int loops = 0; - - lbs_deb_enter(LBS_DEB_CS); - - /* Is hardware ready? */ - while (1) { - u16 val = if_cs_read16(card, IF_CS_C_STATUS); - if (val & IF_CS_C_S_CMD_DNLD_RDY) - break; - if (++loops > 100) { - lbs_pr_err("card not ready for commands\n"); - goto done; - } - mdelay(1); - } - - if_cs_write16(card, IF_CS_H_CMD_LEN, nb); - - if_cs_write16_rep(card, IF_CS_H_CMD, buf, nb / 2); - /* Are we supposed to transfer an odd amount of bytes? */ - if (nb & 1) - if_cs_write8(card, IF_CS_H_CMD, buf[nb-1]); - - /* "Assert the download over interrupt command in the Host - * status register" */ - if_cs_write16(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER); - - /* "Assert the download over interrupt command in the Card - * interrupt case register" */ - if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER); - ret = 0; - -done: - lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret); - return ret; -} - - -/* - * Called from if_cs_host_to_card to send a data to the hardware - */ -static void if_cs_send_data(struct lbs_private *priv, u8 *buf, u16 nb) -{ - struct if_cs_card *card = (struct if_cs_card *)priv->card; - - lbs_deb_enter(LBS_DEB_CS); - - if_cs_write16(card, IF_CS_H_WRITE_LEN, nb); - - /* write even number of bytes, then odd byte if necessary */ - if_cs_write16_rep(card, IF_CS_H_WRITE, buf, nb / 2); - if (nb & 1) - if_cs_write8(card, IF_CS_H_WRITE, buf[nb-1]); - - if_cs_write16(card, IF_CS_H_STATUS, IF_CS_H_STATUS_TX_OVER); - if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_STATUS_TX_OVER); - - lbs_deb_leave(LBS_DEB_CS); -} - - -/* - * Get the command result out of the card. - */ -static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len) -{ - unsigned long flags; - int ret = -1; - u16 val; - - lbs_deb_enter(LBS_DEB_CS); - - /* is hardware ready? */ - val = if_cs_read16(priv->card, IF_CS_C_STATUS); - if ((val & IF_CS_C_S_CMD_UPLD_RDY) == 0) { - lbs_pr_err("card not ready for CMD\n"); - goto out; - } - - *len = if_cs_read16(priv->card, IF_CS_C_CMD_LEN); - if ((*len == 0) || (*len > LBS_CMD_BUFFER_SIZE)) { - lbs_pr_err("card cmd buffer has invalid # of bytes (%d)\n", *len); - goto out; - } - - /* read even number of bytes, then odd byte if necessary */ - if_cs_read16_rep(priv->card, IF_CS_C_CMD, data, *len/sizeof(u16)); - if (*len & 1) - data[*len-1] = if_cs_read8(priv->card, IF_CS_C_CMD); - - /* This is a workaround for a firmware that reports too much - * bytes */ - *len -= 8; - ret = 0; - - /* Clear this flag again */ - spin_lock_irqsave(&priv->driver_lock, flags); - priv->dnld_sent = DNLD_RES_RECEIVED; - spin_unlock_irqrestore(&priv->driver_lock, flags); - -out: - lbs_deb_leave_args(LBS_DEB_CS, "ret %d, len %d", ret, *len); - return ret; -} - - -static struct sk_buff *if_cs_receive_data(struct lbs_private *priv) -{ - struct sk_buff *skb = NULL; - u16 len; - u8 *data; - - lbs_deb_enter(LBS_DEB_CS); - - len = if_cs_read16(priv->card, IF_CS_C_READ_LEN); - if (len == 0 || len > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE) { - lbs_pr_err("card data buffer has invalid # of bytes (%d)\n", len); - priv->stats.rx_dropped++; - goto dat_err; - } - - skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + 2); - if (!skb) - goto out; - skb_put(skb, len); - skb_reserve(skb, 2);/* 16 byte align */ - data = skb->data; - - /* read even number of bytes, then odd byte if necessary */ - if_cs_read16_rep(priv->card, IF_CS_H_READ, data, len/sizeof(u16)); - if (len & 1) - data[len-1] = if_cs_read8(priv->card, IF_CS_H_READ); - -dat_err: - if_cs_write16(priv->card, IF_CS_H_STATUS, IF_CS_H_STATUS_RX_OVER); - if_cs_write16(priv->card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_RX_OVER); - -out: - lbs_deb_leave_args(LBS_DEB_CS, "ret %p", skb); - return skb; -} - - - -/********************************************************************/ -/* Interrupts */ -/********************************************************************/ - -static inline void if_cs_enable_ints(struct if_cs_card *card) -{ - lbs_deb_enter(LBS_DEB_CS); - if_cs_write16(card, IF_CS_H_INT_MASK, 0); -} - -static inline void if_cs_disable_ints(struct if_cs_card *card) -{ - lbs_deb_enter(LBS_DEB_CS); - if_cs_write16(card, IF_CS_H_INT_MASK, IF_CS_H_IM_MASK); -} - - -static irqreturn_t if_cs_interrupt(int irq, void *data) -{ - struct if_cs_card *card = data; - struct lbs_private *priv = card->priv; - u16 cause; - - lbs_deb_enter(LBS_DEB_CS); - - cause = if_cs_read16(card, IF_CS_C_INT_CAUSE); - if_cs_write16(card, IF_CS_C_INT_CAUSE, cause & IF_CS_C_IC_MASK); - - lbs_deb_cs("cause 0x%04x\n", cause); - if (cause == 0) { - /* Not for us */ - return IRQ_NONE; - } - - if (cause == 0xffff) { - /* Read in junk, the card has probably been removed */ - card->priv->surpriseremoved = 1; - return IRQ_HANDLED; - } - - /* TODO: I'm not sure what the best ordering is */ - - cause = if_cs_read16(card, IF_CS_C_STATUS) & IF_CS_C_S_MASK; - - if (cause & IF_CS_C_S_RX_UPLD_RDY) { - struct sk_buff *skb; - lbs_deb_cs("rx packet\n"); - skb = if_cs_receive_data(priv); - if (skb) - lbs_process_rxed_packet(priv, skb); - } - - if (cause & IF_CS_H_IC_TX_OVER) { - lbs_deb_cs("tx over\n"); - lbs_host_to_card_done(priv); - } - - if (cause & IF_CS_C_S_CMD_UPLD_RDY) { - unsigned long flags; - u8 i; - - lbs_deb_cs("cmd upload ready\n"); - spin_lock_irqsave(&priv->driver_lock, flags); - i = (priv->resp_idx == 0) ? 1 : 0; - spin_unlock_irqrestore(&priv->driver_lock, flags); - - BUG_ON(priv->resp_len[i]); - if_cs_receive_cmdres(priv, priv->resp_buf[i], - &priv->resp_len[i]); - - spin_lock_irqsave(&priv->driver_lock, flags); - lbs_notify_command_response(priv, i); - spin_unlock_irqrestore(&priv->driver_lock, flags); - } - - if (cause & IF_CS_H_IC_HOST_EVENT) { - u16 event = if_cs_read16(priv->card, IF_CS_C_STATUS) - & IF_CS_C_S_STATUS_MASK; - if_cs_write16(priv->card, IF_CS_H_INT_CAUSE, - IF_CS_H_IC_HOST_EVENT); - lbs_deb_cs("eventcause 0x%04x\n", event); - lbs_queue_event(priv, event >> 8 & 0xff); - } - - return IRQ_HANDLED; -} - - - - -/********************************************************************/ -/* Firmware */ -/********************************************************************/ - -/* - * Tries to program the helper firmware. - * - * Return 0 on success - */ -static int if_cs_prog_helper(struct if_cs_card *card) -{ - int ret = 0; - int sent = 0; - u8 scratch; - const struct firmware *fw; - - lbs_deb_enter(LBS_DEB_CS); - - scratch = if_cs_read8(card, IF_CS_SCRATCH); - - /* "If the value is 0x5a, the firmware is already - * downloaded successfully" - */ - if (scratch == 0x5a) - goto done; - - /* "If the value is != 00, it is invalid value of register */ - if (scratch != 0x00) { - ret = -ENODEV; - goto done; - } - - /* TODO: make firmware file configurable */ - ret = request_firmware(&fw, "libertas_cs_helper.fw", - &handle_to_dev(card->p_dev)); - if (ret) { - lbs_pr_err("can't load helper firmware\n"); - ret = -ENODEV; - goto done; - } - lbs_deb_cs("helper size %td\n", fw->size); - - /* "Set the 5 bytes of the helper image to 0" */ - /* Not needed, this contains an ARM branch instruction */ - - for (;;) { - /* "the number of bytes to send is 256" */ - int count = 256; - int remain = fw->size - sent; - - if (remain < count) - count = remain; - - /* "write the number of bytes to be sent to the I/O Command - * write length register" */ - if_cs_write16(card, IF_CS_H_CMD_LEN, count); - - /* "write this to I/O Command port register as 16 bit writes */ - if (count) - if_cs_write16_rep(card, IF_CS_H_CMD, - &fw->data[sent], - count >> 1); - - /* "Assert the download over interrupt command in the Host - * status register" */ - if_cs_write8(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER); - - /* "Assert the download over interrupt command in the Card - * interrupt case register" */ - if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER); - - /* "The host polls the Card Status register ... for 50 ms before - declaring a failure */ - ret = if_cs_poll_while_fw_download(card, IF_CS_C_STATUS, - IF_CS_C_S_CMD_DNLD_RDY); - if (ret < 0) { - lbs_pr_err("can't download helper at 0x%x, ret %d\n", - sent, ret); - goto done; - } - - if (count == 0) - break; - - sent += count; - } - - release_firmware(fw); - ret = 0; - -done: - lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret); - return ret; -} - - -static int if_cs_prog_real(struct if_cs_card *card) -{ - const struct firmware *fw; - int ret = 0; - int retry = 0; - int len = 0; - int sent; - - lbs_deb_enter(LBS_DEB_CS); - - /* TODO: make firmware file configurable */ - ret = request_firmware(&fw, "libertas_cs.fw", - &handle_to_dev(card->p_dev)); - if (ret) { - lbs_pr_err("can't load firmware\n"); - ret = -ENODEV; - goto done; - } - lbs_deb_cs("fw size %td\n", fw->size); - - ret = if_cs_poll_while_fw_download(card, IF_CS_C_SQ_READ_LOW, IF_CS_C_SQ_HELPER_OK); - if (ret < 0) { - lbs_pr_err("helper firmware doesn't answer\n"); - goto err_release; - } - - for (sent = 0; sent < fw->size; sent += len) { - len = if_cs_read16(card, IF_CS_C_SQ_READ_LOW); - if (len & 1) { - retry++; - lbs_pr_info("odd, need to retry this firmware block\n"); - } else { - retry = 0; - } - - if (retry > 20) { - lbs_pr_err("could not download firmware\n"); - ret = -ENODEV; - goto err_release; - } - if (retry) { - sent -= len; - } - - - if_cs_write16(card, IF_CS_H_CMD_LEN, len); - - if_cs_write16_rep(card, IF_CS_H_CMD, - &fw->data[sent], - (len+1) >> 1); - if_cs_write8(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER); - if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER); - - ret = if_cs_poll_while_fw_download(card, IF_CS_C_STATUS, - IF_CS_C_S_CMD_DNLD_RDY); - if (ret < 0) { - lbs_pr_err("can't download firmware at 0x%x\n", sent); - goto err_release; - } - } - - ret = if_cs_poll_while_fw_download(card, IF_CS_SCRATCH, 0x5a); - if (ret < 0) { - lbs_pr_err("firmware download failed\n"); - goto err_release; - } - - ret = 0; - goto done; - - -err_release: - release_firmware(fw); - -done: - lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret); - return ret; -} - - - -/********************************************************************/ -/* Callback functions for libertas.ko */ -/********************************************************************/ - -/* Send commands or data packets to the card */ -static int if_cs_host_to_card(struct lbs_private *priv, - u8 type, - u8 *buf, - u16 nb) -{ - int ret = -1; - - lbs_deb_enter_args(LBS_DEB_CS, "type %d, bytes %d", type, nb); - - switch (type) { - case MVMS_DAT: - priv->dnld_sent = DNLD_DATA_SENT; - if_cs_send_data(priv, buf, nb); - ret = 0; - break; - case MVMS_CMD: - priv->dnld_sent = DNLD_CMD_SENT; - ret = if_cs_send_cmd(priv, buf, nb); - break; - default: - lbs_pr_err("%s: unsupported type %d\n", __FUNCTION__, type); - } - - lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret); - return ret; -} - - -/********************************************************************/ -/* Card Services */ -/********************************************************************/ - -/* - * After a card is removed, if_cs_release() will unregister the - * device, and release the PCMCIA configuration. If the device is - * still open, this will be postponed until it is closed. - */ -static void if_cs_release(struct pcmcia_device *p_dev) -{ - struct if_cs_card *card = p_dev->priv; - - lbs_deb_enter(LBS_DEB_CS); - - free_irq(p_dev->irq.AssignedIRQ, card); - pcmcia_disable_device(p_dev); - if (card->iobase) - ioport_unmap(card->iobase); - - lbs_deb_leave(LBS_DEB_CS); -} - - -/* - * This creates an "instance" of the driver, allocating local data - * structures for one device. The device is registered with Card - * Services. - * - * The dev_link structure is initialized, but we don't actually - * configure the card at this point -- we wait until we receive a card - * insertion event. - */ -static int if_cs_probe(struct pcmcia_device *p_dev) -{ - int ret = -ENOMEM; - struct lbs_private *priv; - struct if_cs_card *card; - /* CIS parsing */ - tuple_t tuple; - cisparse_t parse; - cistpl_cftable_entry_t *cfg = &parse.cftable_entry; - cistpl_io_t *io = &cfg->io; - u_char buf[64]; - - lbs_deb_enter(LBS_DEB_CS); - - card = kzalloc(sizeof(struct if_cs_card), GFP_KERNEL); - if (!card) { - lbs_pr_err("error in kzalloc\n"); - goto out; - } - card->p_dev = p_dev; - p_dev->priv = card; - - p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; - p_dev->irq.Handler = NULL; - p_dev->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID; - - p_dev->conf.Attributes = 0; - p_dev->conf.IntType = INT_MEMORY_AND_IO; - - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = sizeof(buf); - tuple.TupleOffset = 0; - - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - if ((ret = pcmcia_get_first_tuple(p_dev, &tuple)) != 0 || - (ret = pcmcia_get_tuple_data(p_dev, &tuple)) != 0 || - (ret = pcmcia_parse_tuple(p_dev, &tuple, &parse)) != 0) - { - lbs_pr_err("error in pcmcia_get_first_tuple etc\n"); - goto out1; - } - - p_dev->conf.ConfigIndex = cfg->index; - - /* Do we need to allocate an interrupt? */ - if (cfg->irq.IRQInfo1) { - p_dev->conf.Attributes |= CONF_ENABLE_IRQ; - } - - /* IO window settings */ - if (cfg->io.nwin != 1) { - lbs_pr_err("wrong CIS (check number of IO windows)\n"); - ret = -ENODEV; - goto out1; - } - p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; - p_dev->io.BasePort1 = io->win[0].base; - p_dev->io.NumPorts1 = io->win[0].len; - - /* This reserves IO space but doesn't actually enable it */ - ret = pcmcia_request_io(p_dev, &p_dev->io); - if (ret) { - lbs_pr_err("error in pcmcia_request_io\n"); - goto out1; - } - - /* - * Allocate an interrupt line. Note that this does not assign - * a handler to the interrupt, unless the 'Handler' member of - * the irq structure is initialized. - */ - if (p_dev->conf.Attributes & CONF_ENABLE_IRQ) { - ret = pcmcia_request_irq(p_dev, &p_dev->irq); - if (ret) { - lbs_pr_err("error in pcmcia_request_irq\n"); - goto out1; - } - } - - /* Initialize io access */ - card->iobase = ioport_map(p_dev->io.BasePort1, p_dev->io.NumPorts1); - if (!card->iobase) { - lbs_pr_err("error in ioport_map\n"); - ret = -EIO; - goto out1; - } - - /* - * This actually configures the PCMCIA socket -- setting up - * the I/O windows and the interrupt mapping, and putting the - * card and host interface into "Memory and IO" mode. - */ - ret = pcmcia_request_configuration(p_dev, &p_dev->conf); - if (ret) { - lbs_pr_err("error in pcmcia_request_configuration\n"); - goto out2; - } - - /* Finally, report what we've done */ - lbs_deb_cs("irq %d, io 0x%04x-0x%04x\n", - p_dev->irq.AssignedIRQ, p_dev->io.BasePort1, - p_dev->io.BasePort1 + p_dev->io.NumPorts1 - 1); - - - /* Load the firmware early, before calling into libertas.ko */ - ret = if_cs_prog_helper(card); - if (ret == 0) - ret = if_cs_prog_real(card); - if (ret) - goto out2; - - /* Make this card known to the libertas driver */ - priv = lbs_add_card(card, &p_dev->dev); - if (!priv) { - ret = -ENOMEM; - goto out2; - } - - /* Finish setting up fields in lbs_private */ - card->priv = priv; - priv->card = card; - priv->hw_host_to_card = if_cs_host_to_card; - priv->fw_ready = 1; - - /* Now actually get the IRQ */ - ret = request_irq(p_dev->irq.AssignedIRQ, if_cs_interrupt, - IRQF_SHARED, DRV_NAME, card); - if (ret) { - lbs_pr_err("error in request_irq\n"); - goto out3; - } - - /* Clear any interrupt cause that happend while sending - * firmware/initializing card */ - if_cs_write16(card, IF_CS_C_INT_CAUSE, IF_CS_C_IC_MASK); - if_cs_enable_ints(card); - - /* And finally bring the card up */ - if (lbs_start_card(priv) != 0) { - lbs_pr_err("could not activate card\n"); - goto out3; - } - - /* The firmware for the CF card supports powersave */ - priv->ps_supported = 1; - - ret = 0; - goto out; - -out3: - lbs_remove_card(priv); -out2: - ioport_unmap(card->iobase); -out1: - pcmcia_disable_device(p_dev); -out: - lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret); - return ret; -} - - -/* - * This deletes a driver "instance". The device is de-registered with - * Card Services. If it has been released, all local data structures - * are freed. Otherwise, the structures will be freed when the device - * is released. - */ -static void if_cs_detach(struct pcmcia_device *p_dev) -{ - struct if_cs_card *card = p_dev->priv; - - lbs_deb_enter(LBS_DEB_CS); - - lbs_stop_card(card->priv); - lbs_remove_card(card->priv); - if_cs_disable_ints(card); - if_cs_release(p_dev); - kfree(card); - - lbs_deb_leave(LBS_DEB_CS); -} - - - -/********************************************************************/ -/* Module initialization */ -/********************************************************************/ - -static struct pcmcia_device_id if_cs_ids[] = { - PCMCIA_DEVICE_MANF_CARD(0x02df, 0x8103), - PCMCIA_DEVICE_NULL, -}; -MODULE_DEVICE_TABLE(pcmcia, if_cs_ids); - - -static struct pcmcia_driver lbs_driver = { - .owner = THIS_MODULE, - .drv = { - .name = DRV_NAME, - }, - .probe = if_cs_probe, - .remove = if_cs_detach, - .id_table = if_cs_ids, -}; - - -static int __init if_cs_init(void) -{ - int ret; - - lbs_deb_enter(LBS_DEB_CS); - ret = pcmcia_register_driver(&lbs_driver); - lbs_deb_leave(LBS_DEB_CS); - return ret; -} - - -static void __exit if_cs_exit(void) -{ - lbs_deb_enter(LBS_DEB_CS); - pcmcia_unregister_driver(&lbs_driver); - lbs_deb_leave(LBS_DEB_CS); -} - - -module_init(if_cs_init); -module_exit(if_cs_exit); |