diff options
| -rw-r--r-- | MAINTAINERS | 5 | ||||
| -rw-r--r-- | drivers/char/pcmcia/Kconfig | 13 | ||||
| -rw-r--r-- | drivers/char/pcmcia/Makefile | 1 | ||||
| -rw-r--r-- | drivers/char/pcmcia/cm4040_cs.c | 841 | ||||
| -rw-r--r-- | drivers/char/pcmcia/cm4040_cs.h | 47 |
5 files changed, 907 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 2313de23b0d..c1350d7e678 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1873,6 +1873,11 @@ L: linux-tr@linuxtr.net W: http://www.linuxtr.net S: Maintained +OMNIKEY CARDMAN 4040 DRIVER +P: Harald Welte +M: laforge@gnumonks.org +S: Maintained + ONSTREAM SCSI TAPE DRIVER P: Willem Riede M: osst@riede.org diff --git a/drivers/char/pcmcia/Kconfig b/drivers/char/pcmcia/Kconfig index d22bfdc1356..e8d41f36635 100644 --- a/drivers/char/pcmcia/Kconfig +++ b/drivers/char/pcmcia/Kconfig @@ -18,5 +18,18 @@ config SYNCLINK_CS The module will be called synclinkmp. If you want to do that, say M here. +config CARDMAN_4040 + tristate "Omnikey CardMan 4040 support" + depends on PCMCIA + help + Enable support for the Omnikey CardMan 4040 PCMCIA Smartcard + reader. + + This card is basically a USB CCID device connected to a FIFO + in I/O space. To use the kernel driver, you will need either the + PC/SC ifdhandler provided from the Omnikey homepage + (http://www.omnikey.com/), or a current development version of OpenCT + (http://www.opensc.org/). + endmenu diff --git a/drivers/char/pcmcia/Makefile b/drivers/char/pcmcia/Makefile index 1fcd4c59195..35cd766a0a1 100644 --- a/drivers/char/pcmcia/Makefile +++ b/drivers/char/pcmcia/Makefile @@ -5,3 +5,4 @@ # obj-$(CONFIG_SYNCLINK_CS) += synclink_cs.o +obj-$(CONFIG_CARDMAN_4040) += cm4040_cs.o diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c new file mode 100644 index 00000000000..4c698d908ff --- /dev/null +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -0,0 +1,841 @@ +/* + * A driver for the Omnikey PCMCIA smartcard reader CardMan 4040 + * + * (c) 2000-2004 Omnikey AG (http://www.omnikey.com/) + * + * (C) 2005 Harald Welte <laforge@gnumonks.org> + * - add support for poll() + * - driver cleanup + * - add waitqueues + * - adhere to linux kernel coding style and policies + * - support 2.6.13 "new style" pcmcia interface + * + * The device basically is a USB CCID compliant device that has been + * attached to an I/O-Mapped FIFO. + * + * All rights reserved, Dual BSD/GPL Licensed. + */ + +/* #define PCMCIA_DEBUG 6 */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <linux/poll.h> +#include <linux/wait.h> +#include <asm/uaccess.h> +#include <asm/io.h> + +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/cisreg.h> +#include <pcmcia/ciscode.h> +#include <pcmcia/ds.h> + +#include "cm4040_cs.h" + + +#ifdef PCMCIA_DEBUG +#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +static int pc_debug = PCMCIA_DEBUG; +module_param(pc_debug, int, 0600); +#define DEBUGP(n, rdr, x, args...) do { \ + if (pc_debug >= (n)) \ + dev_printk(KERN_DEBUG, reader_to_dev(rdr), "%s:" x, \ + __FUNCTION__ , ##args); \ + } while (0) +#else +#define DEBUGP(n, rdr, x, args...) +#endif + +static char *version = +"OMNIKEY CardMan 4040 v1.1.0gm4 - All bugs added by Harald Welte"; + +#define CCID_DRIVER_BULK_DEFAULT_TIMEOUT (150*HZ) +#define CCID_DRIVER_ASYNC_POWERUP_TIMEOUT (35*HZ) +#define CCID_DRIVER_MINIMUM_TIMEOUT (3*HZ) +#define READ_WRITE_BUFFER_SIZE 512 +#define POLL_LOOP_COUNT 1000 + +/* how often to poll for fifo status change */ +#define POLL_PERIOD msecs_to_jiffies(10) + +static void reader_release(dev_link_t *link); +static void reader_detach(dev_link_t *link); + +static int major; + +#define BS_READABLE 0x01 +#define BS_WRITABLE 0x02 + +struct reader_dev { + dev_link_t link; + dev_node_t node; + wait_queue_head_t devq; + wait_queue_head_t poll_wait; + wait_queue_head_t read_wait; + wait_queue_head_t write_wait; + unsigned long buffer_status; + unsigned long timeout; + unsigned char s_buf[READ_WRITE_BUFFER_SIZE]; + unsigned char r_buf[READ_WRITE_BUFFER_SIZE]; + struct timer_list poll_timer; +}; + +static dev_info_t dev_info = MODULE_NAME; +static dev_link_t *dev_table[CM_MAX_DEV]; + +#ifndef PCMCIA_DEBUG +#define xoutb outb +#define xinb inb +#else +static inline void xoutb(unsigned char val, unsigned short port) +{ + if (pc_debug >= 7) + printk(KERN_DEBUG "outb(val=%.2x,port=%.4x)\n", val, port); + outb(val, port); +} + +static inline unsigned char xinb(unsigned short port) +{ + unsigned char val; + + val = inb(port); + if (pc_debug >= 7) + printk(KERN_DEBUG "%.2x=inb(%.4x)\n", val, port); + return val; +} +#endif + +/* poll the device fifo status register. not to be confused with + * the poll syscall. */ +static void cm4040_do_poll(unsigned long dummy) +{ + struct reader_dev *dev = (struct reader_dev *) dummy; + unsigned int obs = xinb(dev->link.io.BasePort1 + + REG_OFFSET_BUFFER_STATUS); + + if ((obs & BSR_BULK_IN_FULL)) { + set_bit(BS_READABLE, &dev->buffer_status); + DEBUGP(4, dev, "waking up read_wait\n"); + wake_up_interruptible(&dev->read_wait); + } else + clear_bit(BS_READABLE, &dev->buffer_status); + + if (!(obs & BSR_BULK_OUT_FULL)) { + set_bit(BS_WRITABLE, &dev->buffer_status); + DEBUGP(4, dev, "waking up write_wait\n"); + wake_up_interruptible(&dev->write_wait); + } else + clear_bit(BS_WRITABLE, &dev->buffer_status); + + if (dev->buffer_status) + wake_up_interruptible(&dev->poll_wait); + + mod_timer(&dev->poll_timer, jiffies + POLL_PERIOD); +} + +static void cm4040_stop_poll(struct reader_dev *dev) +{ + del_timer_sync(&dev->poll_timer); +} + +static int wait_for_bulk_out_ready(struct reader_dev *dev) +{ + int i, rc; + int iobase = dev->link.io.BasePort1; + + for (i = 0; i < POLL_LOOP_COUNT; i++) { + if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) + & BSR_BULK_OUT_FULL) == 0) { + DEBUGP(4, dev, "BulkOut empty (i=%d)\n", i); + return 1; + } + } + + DEBUGP(4, dev, "wait_event_interruptible_timeout(timeout=%ld\n", + dev->timeout); + rc = wait_event_interruptible_timeout(dev->write_wait, + test_and_clear_bit(BS_WRITABLE, + &dev->buffer_status), + dev->timeout); + + if (rc > 0) + DEBUGP(4, dev, "woke up: BulkOut empty\n"); + else if (rc == 0) + DEBUGP(4, dev, "woke up: BulkOut full, returning 0 :(\n"); + else if (rc < 0) + DEBUGP(4, dev, "woke up: signal arrived\n"); + + return rc; +} + +/* Write to Sync Control Register */ +static int write_sync_reg(unsigned char val, struct reader_dev *dev) +{ + int iobase = dev->link.io.BasePort1; + int rc; + + rc = wait_for_bulk_out_ready(dev); + if (rc <= 0) + return rc; + + xoutb(val, iobase + REG_OFFSET_SYNC_CONTROL); + rc = wait_for_bulk_out_ready(dev); + if (rc <= 0) + return rc; + + return 1; +} + +static int wait_for_bulk_in_ready(struct reader_dev *dev) +{ + int i, rc; + int iobase = dev->link.io.BasePort1; + + for (i = 0; i < POLL_LOOP_COUNT; i++) { + if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) + & BSR_BULK_IN_FULL) == BSR_BULK_IN_FULL) { + DEBUGP(3, dev, "BulkIn full (i=%d)\n", i); + return 1; + } + } + + DEBUGP(4, dev, "wait_event_interruptible_timeout(timeout=%ld\n", + dev->timeout); + rc = wait_event_interruptible_timeout(dev->read_wait, + test_and_clear_bit(BS_READABLE, + &dev->buffer_status), + dev->timeout); + if (rc > 0) + DEBUGP(4, dev, "woke up: BulkIn full\n"); + else if (rc == 0) + DEBUGP(4, dev, "woke up: BulkIn not full, returning 0 :(\n"); + else if (rc < 0) + DEBUGP(4, dev, "woke up: signal arrived\n"); + + return rc; +} + +static ssize_t cm4040_read(struct file *filp, char __user *buf, + size_t count, loff_t *ppos) +{ + struct reader_dev *dev = filp->private_data; + int iobase = dev->link.io.BasePort1; + size_t bytes_to_read; + unsigned long i; + size_t min_bytes_to_read; + int rc; + unsigned char uc; + + DEBUGP(2, dev, "-> cm4040_read(%s,%d)\n", current->comm, current->pid); + + if (count == 0) + return 0; + + if (count < 10) + return -EFAULT; + + if (filp->f_flags & O_NONBLOCK) { + DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); + DEBUGP(2, dev, "<- cm4040_read (failure)\n"); + return -EAGAIN; + } + + if ((dev->link.state & DEV_PRESENT)==0) + return -ENODEV; + + for (i = 0; i < 5; i++) { + rc = wait_for_bulk_in_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + return -EIO; + } + dev->r_buf[i] = xinb(iobase + REG_OFFSET_BULK_IN); +#ifdef PCMCIA_DEBUG + if (pc_debug >= 6) + printk(KERN_DEBUG "%lu:%2x ", i, dev->r_buf[i]); + } + printk("\n"); +#else + } +#endif + + bytes_to_read = 5 + le32_to_cpu(*(__le32 *)&dev->r_buf[1]); + + DEBUGP(6, dev, "BytesToRead=%lu\n", bytes_to_read); + + min_bytes_to_read = min(count, bytes_to_read + 5); + + DEBUGP(6, dev, "Min=%lu\n", min_bytes_to_read); + + for (i = 0; i < (min_bytes_to_read-5); i++) { + rc = wait_for_bulk_in_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + return -EIO; + } + dev->r_buf[i+5] = xinb(iobase + REG_OFFSET_BULK_IN); +#ifdef PCMCIA_DEBUG + if (pc_debug >= 6) + printk(KERN_DEBUG "%lu:%2x ", i, dev->r_buf[i]); + } + printk("\n"); +#else + } +#endif + + *ppos = min_bytes_to_read; + if (copy_to_user(buf, dev->r_buf, min_bytes_to_read)) + return -EFAULT; + + rc = wait_for_bulk_in_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + return -EIO; + } + + rc = write_sync_reg(SCR_READER_TO_HOST_DONE, dev); + if (rc <= 0) { + DEBUGP(5, dev, "write_sync_reg c=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + uc = xinb(iobase + REG_OFFSET_BULK_IN); + + DEBUGP(2, dev, "<- cm4040_read (successfully)\n"); + return min_bytes_to_read; +} + +static ssize_t cm4040_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct reader_dev *dev = filp->private_data; + int iobase = dev->link.io.BasePort1; + ssize_t rc; + int i; + unsigned int bytes_to_write; + + DEBUGP(2, dev, "-> cm4040_write(%s,%d)\n", current->comm, current->pid); + + if (count == 0) { + DEBUGP(2, dev, "<- cm4040_write empty read (successfully)\n"); + return 0; + } + + if (count < 5) { + DEBUGP(2, dev, "<- cm4040_write buffersize=%Zd < 5\n", count); + return -EIO; + } + + if (filp->f_flags & O_NONBLOCK) { + DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); + DEBUGP(4, dev, "<- cm4040_write (failure)\n"); + return -EAGAIN; + } + + if ((dev->link.state & DEV_PRESENT) == 0) + return -ENODEV; + + bytes_to_write = count; + if (copy_from_user(dev->s_buf, buf, bytes_to_write)) + return -EFAULT; + + switch (dev->s_buf[0]) { + case CMD_PC_TO_RDR_XFRBLOCK: + case CMD_PC_TO_RDR_SECURE: + case CMD_PC_TO_RDR_TEST_SECURE: + case CMD_PC_TO_RDR_OK_SECURE: + dev->timeout = CCID_DRIVER_BULK_DEFAULT_TIMEOUT; + break; + + case CMD_PC_TO_RDR_ICCPOWERON: + dev->timeout = CCID_DRIVER_ASYNC_POWERUP_TIMEOUT; + break; + + case CMD_PC_TO_RDR_GETSLOTSTATUS: + case CMD_PC_TO_RDR_ICCPOWEROFF: + case CMD_PC_TO_RDR_GETPARAMETERS: + case CMD_PC_TO_RDR_RESETPARAMETERS: + case CMD_PC_TO_RDR_SETPARAMETERS: + case CMD_PC_TO_RDR_ESCAPE: + case CMD_PC_TO_RDR_ICCCLOCK: + default: + dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; + break; + } + + rc = write_sync_reg(SCR_HOST_TO_READER_START, dev); + if (rc <= 0) { + DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(2, dev, "<- cm4040_write (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + DEBUGP(4, dev, "start \n"); + + for (i = 0; i < bytes_to_write; i++) { + rc = wait_for_bulk_out_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2Zx\n", + rc); + DEBUGP(2, dev, "<- cm4040_write (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + xoutb(dev->s_buf[i],iobase + REG_OFFSET_BULK_OUT); + } + DEBUGP(4, dev, "end\n"); + + rc = write_sync_reg(SCR_HOST_TO_READER_DONE, dev); + + if (rc <= 0) { + DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(2, dev, "<- cm4040_write (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + DEBUGP(2, dev, "<- cm4040_write (successfully)\n"); + return count; +} + +static unsigned int cm4040_poll(struct file *filp, poll_table *wait) +{ + struct reader_dev *dev = filp->private_data; + unsigned int mask = 0; + + poll_wait(filp, &dev->poll_wait, wait); + + if (test_and_clear_bit(BS_READABLE, &dev->buffer_status)) + mask |= POLLIN | POLLRDNORM; + if (test_and_clear_bit(BS_WRITABLE, &dev->buffer_status)) + mask |= POLLOUT | POLLWRNORM; + + DEBUGP(2, dev, "<- cm4040_poll(%u)\n", mask); + + return mask; +} + +static int cm4040_open(struct inode *inode, struct file *filp) +{ + struct reader_dev *dev; + dev_link_t *link; + int minor = iminor(inode); + + if (minor >= CM_MAX_DEV) + return -ENODEV; + + link = dev_table[minor]; + if (link == NULL || !(DEV_OK(link))) + return -ENODEV; + + if (link->open) + return -EBUSY; + + dev = link->priv; + filp->private_data = dev; + + if (filp->f_flags & O_NONBLOCK) { + DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); + return -EAGAIN; + } + + link->open = 1; + + dev->poll_timer.data = (unsigned long) dev; + mod_timer(&dev->poll_timer, jiffies + POLL_PERIOD); + + DEBUGP(2, dev, "<- cm4040_open (successfully)\n"); + return nonseekable_open(inode, filp); +} + +static int cm4040_close(struct inode *inode, struct file *filp) +{ + struct reader_dev *dev = filp->private_data; + dev_link_t *link; + int minor = iminor(inode); + + DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode), + iminor(inode)); + + if (minor >= CM_MAX_DEV) + return -ENODEV; + + link = dev_table[minor]; + if (link == NULL) + return -ENODEV; + + cm4040_stop_poll(dev); + + link->open = 0; + wake_up(&dev->devq); + + DEBUGP(2, dev, "<- cm4040_close\n"); + return 0; +} + +static void cm4040_reader_release(dev_link_t *link) +{ + struct reader_dev *dev = link->priv; + + DEBUGP(3, dev, "-> cm4040_reader_release\n"); + while (link->open) { + DEBUGP(3, dev, KERN_INFO MODULE_NAME ": delaying release " + "until process has terminated\n"); + wait_event(dev->devq, (link->open == 0)); + } + DEBUGP(3, dev, "<- cm4040_reader_release\n"); + return; +} + +static void reader_config(dev_link_t *link, int devno) +{ + client_handle_t handle; + struct reader_dev *dev; + tuple_t tuple; + cisparse_t parse; + config_info_t conf; + u_char buf[64]; + int fail_fn, fail_rc; + int rc; + + handle = link->handle; + + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + + if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + fail_fn = GetFirstTuple; + goto cs_failed; + } + if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + fail_fn = GetTupleData; + goto cs_failed; + } + if ((fail_rc = pcmcia_parse_tuple(handle, &tuple, &parse)) + != CS_SUCCESS) { + fail_fn = ParseTuple; + goto cs_failed; + } + if ((fail_rc = pcmcia_get_configuration_info(handle, &conf)) + != CS_SUCCESS) { + fail_fn = GetConfigurationInfo; + goto cs_failed; + } + + link->state |= DEV_CONFIG; + link->conf.ConfigBase = parse.config.base; + link->conf.Present = parse.config.rmask[0]; + link->conf.Vcc = conf.Vcc; + + link->io.BasePort2 = 0; + link->io.NumPorts2 = 0; + link->io.Attributes2 = 0; + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + for (rc = pcmcia_get_first_tuple(handle, &tuple); + rc == CS_SUCCESS; + rc = pcmcia_get_next_tuple(handle, &tuple)) { + rc = pcmcia_get_tuple_data(handle, &tuple); + if (rc != CS_SUCCESS) + continue; + rc = pcmcia_parse_tuple(handle, &tuple, &parse); + if (rc != CS_SUCCESS) + continue; + + link->conf.ConfigIndex = parse.cftable_entry.index; + + if (!parse.cftable_entry.io.nwin) + continue; + + link->io.BasePort1 = parse.cftable_entry.io.win[0].base; + link->io.NumPorts1 = parse.cftable_entry.io.win[0].len; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(parse.cftable_entry.io.flags & CISTPL_IO_8BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(parse.cftable_entry.io.flags & CISTPL_IO_16BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.IOAddrLines = parse.cftable_entry.io.flags + & CISTPL_IO_LINES_MASK; + rc = pcmcia_request_io(handle, &link->io); + + dev_printk(KERN_INFO, &handle_to_dev(handle), "foo"); + if (rc == CS_SUCCESS) + break; + else + dev_printk(KERN_INFO, &handle_to_dev(handle), + "pcmcia_request_io failed 0x%x\n", rc); + } + if (rc != CS_SUCCESS) + goto cs_release; + + link->conf.IntType = 00000002; + + if ((fail_rc = pcmcia_request_configuration(handle,&link->conf)) + !=CS_SUCCESS) { + fail_fn = RequestConfiguration; + dev_printk(KERN_INFO, &handle_to_dev(handle), + "pcmcia_request_configuration failed 0x%x\n", + fail_rc); + goto cs_release; + } + + dev = link->priv; + sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); + dev->node.major = major; + dev->node.minor = devno; + dev->node.next = NULL; + link->dev = &dev->node; + link->state &= ~DEV_CONFIG_PENDING; + + DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, + link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); + DEBUGP(2, dev, "<- reader_config (succ)\n"); + + return; + +cs_failed: + cs_error(handle, fail_fn, fail_rc); +cs_release: + reader_release(link); + link->state &= ~DEV_CONFIG_PENDING; +} + +static int reader_event(event_t event, int priority, + event_callback_args_t *args) +{ + dev_link_t *link; + struct reader_dev *dev; + int devno; + + link = args->client_data; + dev = link->priv; + DEBUGP(3, dev, "-> reader_event\n"); + for (devno = 0; devno < CM_MAX_DEV; devno++) { + if (dev_table[devno] == link) + break; + } + if (devno == CM_MAX_DEV) + return CS_BAD_ADAPTER; + + switch (event) { + case CS_EVENT_CARD_INSERTION: + DEBUGP(5, dev, "CS_EVENT_CARD_INSERTION\n"); + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + reader_config(link, devno); + break; + case CS_EVENT_CARD_REMOVAL: + DEBUGP(5, dev, "CS_EVENT_CARD_REMOVAL\n"); + link->state &= ~DEV_PRESENT; + break; + case CS_EVENT_PM_SUSPEND: + DEBUGP(5, dev, "CS_EVENT_PM_SUSPEND " + "(fall-through to CS_EVENT_RESET_PHYSICAL)\n"); + link->state |= DEV_SUSPEND; + + case CS_EVENT_RESET_PHYSICAL: + DEBUGP(5, dev, "CS_EVENT_RESET_PHYSICAL\n"); + if (link->state & DEV_CONFIG) { + DEBUGP(5, dev, "ReleaseConfiguration\n"); + pcmcia_release_configuration(link->handle); + } + break; + case CS_EVENT_PM_RESUME: + DEBUGP(5, dev, "CS_EVENT_PM_RESUME " + "(fall-through to CS_EVENT_CARD_RESET)\n"); + link->state &= ~DEV_SUSPEND; + + case CS_EVENT_CARD_RESET: + DEBUGP(5, dev, "CS_EVENT_CARD_RESET\n"); + if ((link->state & DEV_CONFIG)) { + DEBUGP(5, dev, "RequestConfiguration\n"); + pcmcia_request_configuration(link->handle, + &link->conf); + } + break; + default: + DEBUGP(5, dev, "reader_event: unknown event %.2x\n", + event); + break; + } + DEBUGP(3, dev, "<- reader_event\n"); + return CS_SUCCESS; +} + +static void reader_release(dev_link_t *link) +{ + cm4040_reader_release(link->priv); + pcmcia_release_configuration(link->handle); + pcmcia_release_io(link->handle, &link->io); +} + +static dev_link_t *reader_attach(void) +{ + struct reader_dev *dev; + dev_link_t *link; + client_reg_t client_reg; + int i; + + for (i = 0; i < CM_MAX_DEV; i++) { + if (dev_table[i] == NULL) + break; + } + + if (i == CM_MAX_DEV) + return NULL; + + dev = kzalloc(sizeof(struct reader_dev), GFP_KERNEL); + if (dev == NULL) + return NULL; + + dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; + dev->buffer_status = 0; + + link = &dev->link; + link->priv = dev; + + link->conf.IntType = INT_MEMORY_AND_IO; + dev_table[i] = link; + + client_reg.dev_info = &dev_info; + client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; + client_reg.EventMask= + CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | + CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | + CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; + client_reg.Version = 0x0210; + client_reg.event_callback_args.client_data = link; + i = pcmcia_register_client(&link->handle, &client_reg); + if (i) { + cs_error(link->handle, RegisterClient, i); + reader_detach(link); + return NULL; + } + init_waitqueue_head(&dev->devq); + init_waitqueue_head(&dev->poll_wait); + init_waitqueue_head(&dev->read_wait); + init_waitqueue_head(&dev->write_wait); + init_timer(&dev->poll_timer); + dev->poll_timer.function = &cm4040_do_poll; + + return link; +} + +static void reader_detach_by_devno(int devno, dev_link_t *link) +{ + struct reader_dev *dev = link->priv; + + if (link->state & DEV_CONFIG) { + DEBUGP(5, dev, "device still configured (try to release it)\n"); + reader_release(link); + } + + pcmcia_deregister_client(link->handle); + dev_table[devno] = NULL; + DEBUGP(5, dev, "freeing dev=%p\n", dev); + cm4040_stop_poll(dev); + kfree(dev); + return; +} + +static void reader_detach(dev_link_t *link) +{ + int i; + + /* find device */ + for (i = 0; i < CM_MAX_DEV; i++) { + if (dev_table[i] == link) + break; + } + if (i == CM_MAX_DEV) + return; + + reader_detach_by_devno(i, link); + return; +} + +static struct file_operations reader_fops = { + .owner = THIS_MODULE, + .read = cm4040_read, + .write = cm4040_write, + .open = cm4040_open, + .release = cm4040_close, + .poll = cm4040_poll, +}; + +static struct pcmcia_device_id cm4040_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x0223, 0x0200), + PCMCIA_DEVICE_PROD_ID12("OMNIKEY", "CardMan 4040", + 0xE32CDD8C, 0x8F23318B), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, cm4040_ids); + +static struct pcmcia_driver reader_driver = { + .owner = THIS_MODULE, + .drv = { + .name = "cm4040_cs", + }, + .attach = reader_attach, + .detach = reader_detach, + .event = reader_event, + .id_table = cm4040_ids, +}; + +static int __init cm4040_init(void) +{ + printk(KERN_INFO "%s\n", version); + pcmcia_register_driver(&reader_driver); + major = register_chrdev(0, DEVICE_NAME, &reader_fops); + if (major < 0) { + printk(KERN_WARNING MODULE_NAME + ": could not get major number\n"); + return -1; + } + return 0; +} + +static void __exit cm4040_exit(void) +{ + int i; + + printk(KERN_INFO MODULE_NAME ": unloading\n"); + pcmcia_unregister_driver(&reader_driver); + for (i = 0; i < CM_MAX_DEV; i++) { + if (dev_table[i]) + reader_detach_by_devno(i, dev_table[i]); + } + unregister_chrdev(major, DEVICE_NAME); +} + +module_init(cm4040_init); +module_exit(cm4040_exit); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/char/pcmcia/cm4040_cs.h b/drivers/char/pcmcia/cm4040_cs.h new file mode 100644 index 00000000000..9a8b805c509 --- /dev/null +++ b/drivers/char/pcmcia/cm4040_cs.h @@ -0,0 +1,47 @@ +#ifndef _CM4040_H_ +#define _CM4040_H_ + +#define CM_MAX_DEV 4 + +#define DEVICE_NAME "cmx" +#define MODULE_NAME "cm4040_cs" + +#define REG_OFFSET_BULK_OUT 0 +#define REG_OFFSET_BULK_IN 0 +#define REG_OFFSET_BUFFER_STATUS 1 +#define REG_OFFSET_SYNC_CONTROL 2 + +#define BSR_BULK_IN_FULL 0x02 +#define BSR_BULK_OUT_FULL 0x01 + +#define SCR_HOST_TO_READER_START 0x80 +#define SCR_ABORT 0x40 +#define SCR_EN_NOTIFY 0x20 +#define SCR_ACK_NOTIFY 0x10 +#define SCR_READER_TO_HOST_DONE 0x08 +#define SCR_HOST_TO_READER_DONE 0x04 +#define SCR_PULSE_INTERRUPT 0x02 +#define SCR_POWER_DOWN 0x01 + + +#define CMD_PC_TO_RDR_ICCPOWERON 0x62 +#define CMD_PC_TO_RDR_GETSLOTSTATUS 0x65 +#define CMD_PC_TO_RDR_ICCPOWEROFF 0x63 +#define CMD_PC_TO_RDR_SECURE 0x69 +#define CMD_PC_TO_RDR_GETPARAMETERS 0x6C +#define CMD_PC_TO_RDR_RESETPARAMETERS 0x6D +#define CMD_PC_TO_RDR_SETPARAMETERS 0x61 +#define CMD_PC_TO_RDR_XFRBLOCK 0x6F +#define CMD_PC_TO_RDR_ESCAPE 0x6B +#define CMD_PC_TO_RDR_ICCCLOCK 0x6E +#define CMD_PC_TO_RDR_TEST_SECURE 0x74 +#define CMD_PC_TO_RDR_OK_SECURE 0x89 + + +#define CMD_RDR_TO_PC_SLOTSTATUS 0x81 +#define CMD_RDR_TO_PC_DATABLOCK 0x80 +#define CMD_RDR_TO_PC_PARAMETERS 0x82 +#define CMD_RDR_TO_PC_ESCAPE 0x83 +#define CMD_RDR_TO_PC_OK_SECURE 0x89 + +#endif /* _CM4040_H_ */ |