diff options
Diffstat (limited to 'drivers/staging/csr/drv.c')
-rw-r--r-- | drivers/staging/csr/drv.c | 2262 |
1 files changed, 2262 insertions, 0 deletions
diff --git a/drivers/staging/csr/drv.c b/drivers/staging/csr/drv.c new file mode 100644 index 000000000000..b2c27f4f03d4 --- /dev/null +++ b/drivers/staging/csr/drv.c @@ -0,0 +1,2262 @@ +/* + * --------------------------------------------------------------------------- + * FILE: drv.c + * + * PURPOSE: + * Conventional device interface for debugging/monitoring of the + * driver and h/w using unicli. This interface is also being used + * by the SME linux implementation and the helper apps. + * + * Copyright (C) 2005-2009 by Cambridge Silicon Radio Ltd. + * + * Refer to LICENSE.txt included with this source code for details on + * the license terms. + * + * --------------------------------------------------------------------------- + */ + + + +/* + * Porting Notes: + * Part of this file contains an example for how to glue the OS layer + * with the HIP core lib, the SDIO glue layer, and the SME. + * + * When the unifi_sdio.ko modules loads, the linux kernel calls unifi_load(). + * unifi_load() calls uf_sdio_load() which is exported by the SDIO glue + * layer. uf_sdio_load() registers this driver with the underlying SDIO driver. + * When a card is detected, the SDIO glue layer calls register_unifi_sdio() + * to pass the SDIO function context and ask the OS layer to initialise + * the card. register_unifi_sdio() allocates all the private data of the OS + * layer and calls uf_run_unifihelper() to start the SME. The SME calls + * unifi_sys_wifi_on_req() which uses the HIP core lib to initialise the card. + */ + +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/poll.h> +#include <asm/uaccess.h> +#include <linux/jiffies.h> + +#include "csr_wifi_hip_unifiversion.h" +#include "unifi_priv.h" +#include "csr_wifi_hip_conversions.h" +#include "unifi_native.h" + +/* Module parameter variables */ +int buswidth = 0; /* 0 means use default, values 1,4 */ +int sdio_clock = 50000; /* kHz */ +int unifi_debug = 0; +/* fw_init prevents f/w initialisation on error. */ +int fw_init[MAX_UNIFI_DEVS] = {-1, -1}; +int use_5g = 0; +int led_mask = 0; /* 0x0c00 for dev-pc-1503c, dev-pc-1528a */ +int disable_hw_reset = 0; +int disable_power_control = 0; +int enable_wol = UNIFI_WOL_OFF; /* 0 for none, 1 for SDIO IRQ, 2 for PIO */ +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) +int tl_80211d = (int)CSR_WIFI_SME_80211D_TRUST_LEVEL_MIB; +#endif +int sdio_block_size = -1; /* Override SDIO block size */ +int sdio_byte_mode = 0; /* 0 for block mode + padding, 1 for byte mode */ +int coredump_max = CSR_WIFI_HIP_NUM_COREDUMP_BUFFERS; +int run_bh_once = -1; /* Set for scheduled interrupt mode, -1 = default */ +int bh_priority = -1; +#ifdef CSR_WIFI_HIP_DEBUG_OFFLINE +#define UNIFI_LOG_HIP_SIGNALS_FILTER_BULKDATA (1 << 1) +#define UNIFI_LOG_HIP_SIGNALS_FILTER_TIMESTAMP (1 << 2) +int log_hip_signals = 0; +#endif + +MODULE_DESCRIPTION("CSR UniFi (SDIO)"); + +module_param(buswidth, int, S_IRUGO|S_IWUSR); +module_param(sdio_clock, int, S_IRUGO|S_IWUSR); +module_param(unifi_debug, int, S_IRUGO|S_IWUSR); +module_param_array(fw_init, int, NULL, S_IRUGO|S_IWUSR); +module_param(use_5g, int, S_IRUGO|S_IWUSR); +module_param(led_mask, int, S_IRUGO|S_IWUSR); +module_param(disable_hw_reset, int, S_IRUGO|S_IWUSR); +module_param(disable_power_control, int, S_IRUGO|S_IWUSR); +module_param(enable_wol, int, S_IRUGO|S_IWUSR); +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) +module_param(tl_80211d, int, S_IRUGO|S_IWUSR); +#endif +module_param(sdio_block_size, int, S_IRUGO|S_IWUSR); +module_param(sdio_byte_mode, int, S_IRUGO|S_IWUSR); +module_param(coredump_max, int, S_IRUGO|S_IWUSR); +module_param(run_bh_once, int, S_IRUGO|S_IWUSR); +module_param(bh_priority, int, S_IRUGO|S_IWUSR); +#ifdef CSR_WIFI_HIP_DEBUG_OFFLINE +module_param(log_hip_signals, int, S_IRUGO|S_IWUSR); +#endif + +MODULE_PARM_DESC(buswidth, "SDIO bus width (0=default), set 1 for 1-bit or 4 for 4-bit mode"); +MODULE_PARM_DESC(sdio_clock, "SDIO bus frequency in kHz, (default = 50 MHz)"); +MODULE_PARM_DESC(unifi_debug, "Diagnostic reporting level"); +MODULE_PARM_DESC(fw_init, "Set to 0 to prevent f/w initialization on error"); +MODULE_PARM_DESC(use_5g, "Use the 5G (802.11a) radio band"); +MODULE_PARM_DESC(led_mask, "LED mask flags"); +MODULE_PARM_DESC(disable_hw_reset, "Set to 1 to disable hardware reset"); +MODULE_PARM_DESC(disable_power_control, "Set to 1 to disable SDIO power control"); +MODULE_PARM_DESC(enable_wol, "Enable wake-on-wlan function 0=off, 1=SDIO, 2=PIO"); +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) +MODULE_PARM_DESC(tl_80211d, "802.11d Trust Level (1-6, default = 5)"); +#endif +MODULE_PARM_DESC(sdio_block_size, "Set to override SDIO block size"); +MODULE_PARM_DESC(sdio_byte_mode, "Set to 1 for byte mode SDIO"); +MODULE_PARM_DESC(coredump_max, "Number of chip mini-coredump buffers to allocate"); +MODULE_PARM_DESC(run_bh_once, "Run BH only when firmware interrupts"); +MODULE_PARM_DESC(bh_priority, "Modify the BH thread priority"); +#ifdef CSR_WIFI_HIP_DEBUG_OFFLINE +MODULE_PARM_DESC(log_hip_signals, "Set to 1 to enable HIP signal offline logging"); +#endif + + +/* Callback for event logging to UDI clients */ +static void udi_log_event(ul_client_t *client, + const u8 *signal, int signal_len, + const bulk_data_param_t *bulkdata, + int dir); + +static void udi_set_log_filter(ul_client_t *pcli, + unifiio_filter_t *udi_filter); + + +/* Mutex to protect access to priv->sme_cli */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37) +DEFINE_SEMAPHORE(udi_mutex); +#else +DECLARE_MUTEX(udi_mutex); +#endif + +s32 CsrHipResultToStatus(CsrResult csrResult) +{ + s32 r = -EIO; + + switch (csrResult) + { + case CSR_RESULT_SUCCESS: + r = 0; + break; + case CSR_WIFI_HIP_RESULT_RANGE: + r = -ERANGE; + break; + case CSR_WIFI_HIP_RESULT_NO_DEVICE: + r = -ENODEV; + break; + case CSR_WIFI_HIP_RESULT_INVALID_VALUE: + r = -EINVAL; + break; + case CSR_WIFI_HIP_RESULT_NOT_FOUND: + r = -ENOENT; + break; + case CSR_WIFI_HIP_RESULT_NO_SPACE: + r = -ENOSPC; + break; + case CSR_WIFI_HIP_RESULT_NO_MEMORY: + r = -ENOMEM; + break; + case CSR_RESULT_FAILURE: + r = -EIO; + break; + default: + /*unifi_warning(card->ospriv, "CsrHipResultToStatus: Unrecognised csrResult error code: %d\n", csrResult);*/ + r = -EIO; + } + return r; +} + + +static const char* +trace_putest_cmdid(unifi_putest_command_t putest_cmd) +{ + switch (putest_cmd) + { + case UNIFI_PUTEST_START: + return "START"; + case UNIFI_PUTEST_STOP: + return "STOP"; + case UNIFI_PUTEST_SET_SDIO_CLOCK: + return "SET CLOCK"; + case UNIFI_PUTEST_CMD52_READ: + return "CMD52R"; + case UNIFI_PUTEST_CMD52_BLOCK_READ: + return "CMD52BR"; + case UNIFI_PUTEST_CMD52_WRITE: + return "CMD52W"; + case UNIFI_PUTEST_DL_FW: + return "D/L FW"; + case UNIFI_PUTEST_DL_FW_BUFF: + return "D/L FW BUFFER"; + case UNIFI_PUTEST_COREDUMP_PREPARE: + return "PREPARE COREDUMP"; + case UNIFI_PUTEST_GP_READ16: + return "GP16R"; + case UNIFI_PUTEST_GP_WRITE16: + return "GP16W"; + default: + return "ERROR: unrecognised command"; + } + } + +#ifdef CSR_WIFI_HIP_DEBUG_OFFLINE +int uf_register_hip_offline_debug(unifi_priv_t *priv) +{ + ul_client_t *udi_cli; + int i; + + udi_cli = ul_register_client(priv, CLI_USING_WIRE_FORMAT, udi_log_event); + if (udi_cli == NULL) { + /* Too many clients already using this device */ + unifi_error(priv, "Too many UDI clients already open\n"); + return -ENOSPC; + } + unifi_trace(priv, UDBG1, "Offline HIP client is registered\n"); + + down(&priv->udi_logging_mutex); + udi_cli->event_hook = udi_log_event; + unifi_set_udi_hook(priv->card, logging_handler); + /* Log all signals by default */ + for (i = 0; i < SIG_FILTER_SIZE; i++) { + udi_cli->signal_filter[i] = 0xFFFF; + } + priv->logging_client = udi_cli; + up(&priv->udi_logging_mutex); + + return 0; +} + +int uf_unregister_hip_offline_debug(unifi_priv_t *priv) +{ + ul_client_t *udi_cli = priv->logging_client; + if (udi_cli == NULL) + { + unifi_error(priv, "Unknown HIP client unregister request\n"); + return -ERANGE; + } + + unifi_trace(priv, UDBG1, "Offline HIP client is unregistered\n"); + + down(&priv->udi_logging_mutex); + priv->logging_client = NULL; + udi_cli->event_hook = NULL; + up(&priv->udi_logging_mutex); + + ul_deregister_client(udi_cli); + + return 0; +} +#endif + + +/* + * --------------------------------------------------------------------------- + * unifi_open + * unifi_release + * + * Open and release entry points for the UniFi debug driver. + * + * Arguments: + * Normal linux driver args. + * + * Returns: + * Linux error code. + * --------------------------------------------------------------------------- + */ +static int +unifi_open(struct inode *inode, struct file *file) +{ + int devno; + unifi_priv_t *priv; + ul_client_t *udi_cli; + + func_enter(); + + devno = MINOR(inode->i_rdev) >> 1; + + /* + * Increase the ref_count for the char device clients. + * Make sure you call uf_put_instance() to decreace it if + * unifi_open returns an error. + */ + priv = uf_get_instance(devno); + if (priv == NULL) { + unifi_error(NULL, "unifi_open: No device present\n"); + func_exit(); + return -ENODEV; + } + + /* Register this instance in the client's list. */ + /* The minor number determines the nature of the client (Unicli or SME). */ + if (MINOR(inode->i_rdev) & 0x1) { + udi_cli = ul_register_client(priv, CLI_USING_WIRE_FORMAT, udi_log_event); + if (udi_cli == NULL) { + /* Too many clients already using this device */ + unifi_error(priv, "Too many clients already open\n"); + uf_put_instance(devno); + func_exit(); + return -ENOSPC; + } + unifi_trace(priv, UDBG1, "Client is registered to /dev/unifiudi%d\n", devno); + } else { + /* + * Even-numbered device nodes are the control application. + * This is the userspace helper containing SME or + * unifi_manager. + */ + + down(&udi_mutex); + +#ifdef CSR_SME_USERSPACE + /* Check if a config client is already attached */ + if (priv->sme_cli) { + up(&udi_mutex); + uf_put_instance(devno); + + unifi_info(priv, "There is already a configuration client using the character device\n"); + func_exit(); + return -EBUSY; + } +#endif /* CSR_SME_USERSPACE */ + +#ifdef CSR_SUPPORT_SME + udi_cli = ul_register_client(priv, + CLI_USING_WIRE_FORMAT | CLI_SME_USERSPACE, + sme_log_event); +#else + /* Config client for native driver */ + udi_cli = ul_register_client(priv, + 0, + sme_native_log_event); +#endif + if (udi_cli == NULL) { + /* Too many clients already using this device */ + up(&udi_mutex); + uf_put_instance(devno); + + unifi_error(priv, "Too many clients already open\n"); + func_exit(); + return -ENOSPC; + } + + /* + * Fill-in the pointer to the configuration client. + * This is the SME userspace helper or unifi_manager. + * Not used in the SME embedded version. + */ + unifi_trace(priv, UDBG1, "SME client (id:%d s:0x%X) is registered\n", + udi_cli->client_id, udi_cli->sender_id); + /* Store the SME UniFi Linux Client */ + if (priv->sme_cli == NULL) { + priv->sme_cli = udi_cli; + } + + up(&udi_mutex); + } + + + /* + * Store the pointer to the client. + * All char driver's entry points will pass this pointer. + */ + file->private_data = udi_cli; + + func_exit(); + return 0; +} /* unifi_open() */ + + +static int +unifi_release(struct inode *inode, struct file *filp) +{ + ul_client_t *udi_cli = (void*)filp->private_data; + int devno; + unifi_priv_t *priv; + + func_enter(); + + priv = uf_find_instance(udi_cli->instance); + if (!priv) { + unifi_error(priv, "unifi_close: instance for device not found\n"); + return -ENODEV; + } + + devno = MINOR(inode->i_rdev) >> 1; + + /* Even device nodes are the config client (i.e. SME or unifi_manager) */ + if ((MINOR(inode->i_rdev) & 0x1) == 0) { + + if (priv->sme_cli != udi_cli) { + unifi_notice(priv, "Surprise closing config device: not the sme client\n"); + } + unifi_notice(priv, "SME client close (unifi%d)\n", devno); + + /* + * Clear sme_cli before calling unifi_sys_... so it doesn't try to + * queue a reply to the (now gone) SME. + */ + down(&udi_mutex); + priv->sme_cli = NULL; + up(&udi_mutex); + +#ifdef CSR_SME_USERSPACE + /* Power-down when config client closes */ + { + CsrWifiRouterCtrlWifiOffReq req = {{CSR_WIFI_ROUTER_CTRL_HIP_REQ, 0, 0, 0, NULL}}; + CsrWifiRouterCtrlWifiOffReqHandler(priv, &req.common); + } + + uf_sme_deinit(priv); + + /* It is possible that a blocking SME request was made from another process + * which did not get read by the SME before the WifiOffReq. + * So check for a pending request which will go unanswered and cancel + * the wait for event. As only one blocking request can be in progress at + * a time, up to one event should be completed. + */ + uf_sme_cancel_request(priv, 0); + +#endif /* CSR_SME_USERSPACE */ + } else { + + unifi_trace(priv, UDBG2, "UDI client close (unifiudi%d)\n", devno); + + /* If the pointer matches the logging client, stop logging. */ + down(&priv->udi_logging_mutex); + if (udi_cli == priv->logging_client) { + priv->logging_client = NULL; + } + up(&priv->udi_logging_mutex); + + if (udi_cli == priv->amp_client) { + priv->amp_client = NULL; + } + } + + /* Deregister this instance from the client's list. */ + ul_deregister_client(udi_cli); + + uf_put_instance(devno); + + return 0; +} /* unifi_release() */ + + + +/* + * --------------------------------------------------------------------------- + * unifi_read + * + * The read() driver entry point. + * + * Arguments: + * filp The file descriptor returned by unifi_open() + * p The user space buffer to copy the read data + * len The size of the p buffer + * poff + * + * Returns: + * number of bytes read or an error code on failure + * --------------------------------------------------------------------------- + */ +static ssize_t +unifi_read(struct file *filp, char *p, size_t len, loff_t *poff) +{ + ul_client_t *pcli = (void*)filp->private_data; + unifi_priv_t *priv; + udi_log_t *logptr = NULL; + udi_msg_t *msgptr; + struct list_head *l; + int msglen; + + func_enter(); + + priv = uf_find_instance(pcli->instance); + if (!priv) { + unifi_error(priv, "invalid priv\n"); + return -ENODEV; + } + + if (!pcli->udi_enabled) { + unifi_error(priv, "unifi_read: unknown client."); + return -EINVAL; + } + + if (list_empty(&pcli->udi_log)) { + if (filp->f_flags & O_NONBLOCK) { + /* Non-blocking - just return if the udi_log is empty */ + return 0; + } else { + /* Blocking - wait on the UDI wait queue */ + if (wait_event_interruptible(pcli->udi_wq, + !list_empty(&pcli->udi_log))) + { + unifi_error(priv, "unifi_read: wait_event_interruptible failed."); + return -ERESTARTSYS; + } + } + } + + /* Read entry from list head and remove it from the list */ + if (down_interruptible(&pcli->udi_sem)) { + return -ERESTARTSYS; + } + l = pcli->udi_log.next; + list_del(l); + up(&pcli->udi_sem); + + /* Get a pointer to whole struct */ + logptr = list_entry(l, udi_log_t, q); + if (logptr == NULL) { + unifi_error(priv, "unifi_read: failed to get event.\n"); + return -EINVAL; + } + + /* Get the real message */ + msgptr = &logptr->msg; + msglen = msgptr->length; + if (msglen > len) { + printk(KERN_WARNING "truncated read to %d actual msg len is %lu\n", msglen, (long unsigned int)len); + msglen = len; + } + + /* and pass it to the client (SME or Unicli). */ + if (copy_to_user(p, msgptr, msglen)) + { + printk(KERN_ERR "Failed to copy UDI log to user\n"); + kfree(logptr); + return -EFAULT; + } + + /* It is our resposibility to free the message buffer. */ + kfree(logptr); + + func_exit_r(msglen); + return msglen; + +} /* unifi_read() */ + + + +/* + * --------------------------------------------------------------------------- + * udi_send_signal_unpacked + * + * Sends an unpacked signal to UniFi. + * + * Arguments: + * priv Pointer to private context struct + * data Pointer to request structure and data to send + * data_len Length of data in data pointer. + * + * Returns: + * Number of bytes written, error otherwise. + * + * Notes: + * All clients that use this function to send a signal to the unifi + * must use the host formatted structures. + * --------------------------------------------------------------------------- + */ +static int +udi_send_signal_unpacked(unifi_priv_t *priv, unsigned char* data, uint data_len) +{ + CSR_SIGNAL *sigptr = (CSR_SIGNAL*)data; + CSR_DATAREF *datarefptr; + bulk_data_param_t bulk_data; + uint signal_size, i; + uint bulk_data_offset = 0; + int bytecount, r; + CsrResult csrResult; + + /* Number of bytes in the signal */ + signal_size = SigGetSize(sigptr); + if (!signal_size || (signal_size > data_len)) { + unifi_error(priv, "unifi_sme_mlme_req - Invalid signal 0x%x size should be %d bytes\n", + sigptr->SignalPrimitiveHeader.SignalId, + signal_size); + return -EINVAL; + } + bytecount = signal_size; + + /* Get a pointer to the information of the first data reference */ + datarefptr = (CSR_DATAREF*)&sigptr->u; + + /* Initialize the offset in the data buffer, bulk data is right after the signal. */ + bulk_data_offset = signal_size; + + /* store the references and the size of the bulk data to the bulkdata structure */ + for (i = 0; i < UNIFI_MAX_DATA_REFERENCES; i++) { + /* the length of the bulk data is in the signal */ + if ((datarefptr+i)->DataLength) { + void *dest; + + csrResult = unifi_net_data_malloc(priv, &bulk_data.d[i], (datarefptr+i)->DataLength); + if (csrResult != CSR_RESULT_SUCCESS) { + unifi_error(priv, "udi_send_signal_unpacked: failed to allocate request_data.\n"); + return -EIO; + } + + dest = (void*)bulk_data.d[i].os_data_ptr; + memcpy(dest, data + bulk_data_offset, bulk_data.d[i].data_length); + } else { + bulk_data.d[i].data_length = 0; + } + + bytecount += bulk_data.d[i].data_length; + /* advance the offset, to point the next bulk data */ + bulk_data_offset += bulk_data.d[i].data_length; + } + + + unifi_trace(priv, UDBG3, "SME Send: signal 0x%.4X\n", sigptr->SignalPrimitiveHeader.SignalId); + + /* Send the signal. */ + r = ul_send_signal_unpacked(priv, sigptr, &bulk_data); + if (r < 0) { + unifi_error(priv, "udi_send_signal_unpacked: send failed (%d)\n", r); + for(i=0;i<UNIFI_MAX_DATA_REFERENCES;i++) { + if(bulk_data.d[i].data_length != 0) { + unifi_net_data_free(priv, &bulk_data.d[i]); + } + } + func_exit(); + return -EIO; + } + + return bytecount; +} /* udi_send_signal_unpacked() */ + + + +/* + * --------------------------------------------------------------------------- + * udi_send_signal_raw + * + * Sends a packed signal to UniFi. + * + * Arguments: + * priv Pointer to private context struct + * buf Pointer to request structure and data to send + * buflen Length of data in data pointer. + * + * Returns: + * Number of bytes written, error otherwise. + * + * Notes: + * All clients that use this function to send a signal to the unifi + * must use the wire formatted structures. + * --------------------------------------------------------------------------- + */ +static int +udi_send_signal_raw(unifi_priv_t *priv, unsigned char *buf, int buflen) +{ + int signal_size; + int sig_id; + bulk_data_param_t data_ptrs; + int i, r; + unsigned int num_data_refs; + int bytecount; + CsrResult csrResult; + + func_enter(); + + /* + * The signal is the first thing in buf, the signal id is the + * first 16 bits of the signal. + */ + /* Number of bytes in the signal */ + sig_id = GET_SIGNAL_ID(buf); + signal_size = buflen; + signal_size -= GET_PACKED_DATAREF_LEN(buf, 0); + signal_size -= GET_PACKED_DATAREF_LEN(buf, 1); + if ((signal_size <= 0) || (signal_size > buflen)) { + unifi_error(priv, "udi_send_signal_raw - Couldn't find length of signal 0x%x\n", + sig_id); + func_exit(); + return -EINVAL; + } + unifi_trace(priv, UDBG2, "udi_send_signal_raw: signal 0x%.4X len:%d\n", + sig_id, signal_size); + /* Zero the data ref arrays */ + memset(&data_ptrs, 0, sizeof(data_ptrs)); + + /* + * Find the number of associated bulk data packets. Scan through + * the data refs to check that we have enough data and pick out + * pointers to appended bulk data. + */ + num_data_refs = 0; + bytecount = signal_size; + + for (i = 0; i < UNIFI_MAX_DATA_REFERENCES; ++i) + { + unsigned int len = GET_PACKED_DATAREF_LEN(buf, i); + unifi_trace(priv, UDBG3, "udi_send_signal_raw: data_ref length = %d\n", len); + + if (len != 0) { + void *dest; + + csrResult = unifi_net_data_malloc(priv, &data_ptrs.d[i], len); + if (csrResult != CSR_RESULT_SUCCESS) { + unifi_error(priv, "udi_send_signal_raw: failed to allocate request_data.\n"); + return -EIO; + } + + dest = (void*)data_ptrs.d[i].os_data_ptr; + memcpy(dest, buf + bytecount, len); + + bytecount += len; + num_data_refs++; + } + data_ptrs.d[i].data_length = len; + } + + unifi_trace(priv, UDBG3, "Queueing signal 0x%.4X from UDI with %u data refs\n", + sig_id, + num_data_refs); + + if (bytecount > buflen) { + unifi_error(priv, "udi_send_signal_raw: Not enough data (%d instead of %d)\n", buflen, bytecount); + func_exit(); + return -EINVAL; + } + + /* Send the signal calling the function that uses the wire-formatted signals. */ + r = ul_send_signal_raw(priv, buf, signal_size, &data_ptrs); + if (r < 0) { + unifi_error(priv, "udi_send_signal_raw: send failed (%d)\n", r); + func_exit(); + return -EIO; + } + +#ifdef CSR_NATIVE_LINUX + if (sig_id == CSR_MLME_POWERMGT_REQUEST_ID) { + int power_mode = CSR_GET_UINT16_FROM_LITTLE_ENDIAN((buf + + SIZEOF_SIGNAL_HEADER + (UNIFI_MAX_DATA_REFERENCES*SIZEOF_DATAREF))); +#ifdef CSR_SUPPORT_WEXT + /* Overide the wext power mode to the new value */ + priv->wext_conf.power_mode = power_mode; +#endif + /* Configure deep sleep signaling */ + if (power_mode || (priv->interfacePriv[0]->connected == UnifiNotConnected)) { + csrResult = unifi_configure_low_power_mode(priv->card, + UNIFI_LOW_POWER_ENABLED, + UNIFI_PERIODIC_WAKE_HOST_DISABLED); + } else { + csrResult = unifi_configure_low_power_mode(priv->card, + UNIFI_LOW_POWER_DISABLED, + UNIFI_PERIODIC_WAKE_HOST_DISABLED); + } + } +#endif + + func_exit_r(bytecount); + + return bytecount; +} /* udi_send_signal_raw */ + +/* + * --------------------------------------------------------------------------- + * unifi_write + * + * The write() driver entry point. + * A UniFi Debug Interface client such as unicli can write a signal + * plus bulk data to the driver for sending to the UniFi chip. + * + * Only one signal may be sent per write operation. + * + * Arguments: + * filp The file descriptor returned by unifi_open() + * p The user space buffer to get the data from + * len The size of the p buffer + * poff + * + * Returns: + * number of bytes written or an error code on failure + * --------------------------------------------------------------------------- + */ +static ssize_t +unifi_write(struct file *filp, const char *p, size_t len, loff_t *poff) +{ + ul_client_t *pcli = (ul_client_t*)filp->private_data; + unifi_priv_t *priv; + unsigned char *buf; + unsigned char *bufptr; + int remaining; + int bytes_written; + int r; + bulk_data_param_t bulkdata; + CsrResult csrResult; + + func_enter(); + + priv = uf_find_instance(pcli->instance); + if (!priv) { + unifi_error(priv, "invalid priv\n"); + return -ENODEV; + } + + unifi_trace(priv, UDBG5, "unifi_write: len = %d\n", len); + + if (!pcli->udi_enabled) { + unifi_error(priv, "udi disabled\n"); + return -EINVAL; + } + + /* + * AMP client sends only one signal at a time, so we can use + * unifi_net_data_malloc to save the extra copy. + */ + if (pcli == priv->amp_client) { + int signal_size; + int sig_id; + unsigned char *signal_buf; + char *user_data_buf; + + csrResult = unifi_net_data_malloc(priv, &bulkdata.d[0], len); + if (csrResult != CSR_RESULT_SUCCESS) { + unifi_error(priv, "unifi_write: failed to allocate request_data.\n"); + func_exit(); + return -ENOMEM; + } + + user_data_buf = (char*)bulkdata.d[0].os_data_ptr; + + /* Get the data from the AMP client. */ + if (copy_from_user((void*)user_data_buf, p, len)) { + unifi_error(priv, "unifi_write: copy from user failed\n"); + unifi_net_data_free(priv, &bulkdata.d[0]); + func_exit(); + return -EFAULT; + } + + bulkdata.d[1].os_data_ptr = NULL; + bulkdata.d[1].data_length = 0; + + /* Number of bytes in the signal */ + sig_id = GET_SIGNAL_ID(bulkdata.d[0].os_data_ptr); + signal_size = len; + signal_size -= GET_PACKED_DATAREF_LEN(bulkdata.d[0].os_data_ptr, 0); + signal_size -= GET_PACKED_DATAREF_LEN(bulkdata.d[0].os_data_ptr, 1); + if ((signal_size <= 0) || (signal_size > len)) { + unifi_error(priv, "unifi_write - Couldn't find length of signal 0x%x\n", + sig_id); + unifi_net_data_free(priv, &bulkdata.d[0]); + func_exit(); + return -EINVAL; + } + + unifi_trace(priv, UDBG2, "unifi_write: signal 0x%.4X len:%d\n", + sig_id, signal_size); + + /* Allocate a buffer for the signal */ + signal_buf = kmalloc(signal_size, GFP_KERNEL); + if (!signal_buf) { + unifi_net_data_free(priv, &bulkdata.d[0]); + func_exit(); + return -ENOMEM; + } + + /* Get the signal from the os_data_ptr */ + memcpy(signal_buf, bulkdata.d[0].os_data_ptr, signal_size); + signal_buf[5] = (pcli->sender_id >> 8) & 0xff; + + if (signal_size < len) { + /* Remove the signal from the os_data_ptr */ + bulkdata.d[0].data_length -= signal_size; + bulkdata.d[0].os_data_ptr += signal_size; + } else { + bulkdata.d[0].data_length = 0; + bulkdata.d[0].os_data_ptr = NULL; + } + + /* Send the signal calling the function that uses the wire-formatted signals. */ + r = ul_send_signal_raw(priv, signal_buf, signal_size, &bulkdata); + if (r < 0) { + unifi_error(priv, "unifi_write: send failed (%d)\n", r); + if (bulkdata.d[0].os_data_ptr != NULL) { + unifi_net_data_free(priv, &bulkdata.d[0]); + } + } + + /* Free the signal buffer and return */ + kfree(signal_buf); + return len; + } + + buf = kmalloc(len, GFP_KERNEL); + if (!buf) { + return -ENOMEM; + } + + /* Get the data from the client (SME or Unicli). */ + if (copy_from_user((void*)buf, p, len)) { + unifi_error(priv, "copy from user failed\n"); + kfree(buf); + return -EFAULT; + } + + /* + * In SME userspace build read() contains a SYS or MGT message. + * Note that even though the SME sends one signal at a time, we can not + * use unifi_net_data_malloc because in the early stages, before having + * initialised the core, it will fail since the I/O block size is unknown. + */ +#ifdef CSR_SME_USERSPACE + if (pcli->configuration & CLI_SME_USERSPACE) { + CsrWifiRouterTransportRecv(priv, buf, len); + kfree(buf); + return len; + } +#endif + + /* ul_send_signal_raw will do a sanity check of len against signal content */ + + /* + * udi_send_signal_raw() and udi_send_signal_unpacked() return the number of bytes consumed. + * A write call can pass multiple signal concatenated together. + */ + bytes_written = 0; + remaining = len; + bufptr = buf; + while (remaining > 0) + { + int r; + + /* + * Set the SenderProcessId. + * The SignalPrimitiveHeader is the first 3 16-bit words of the signal, + * the SenderProcessId is bytes 4,5. + * The MSB of the sender ID needs to be set to the client ID. + * The LSB is controlled by the SME. + */ + bufptr[5] = (pcli->sender_id >> 8) & 0xff; + + /* use the appropriate interface, depending on the clients' configuration */ + if (pcli->configuration & CLI_USING_WIRE_FORMAT) { + unifi_trace(priv, UDBG1, "unifi_write: call udi_send_signal().\n"); + r = udi_send_signal_raw(priv, bufptr, remaining); + } else { + r = udi_send_signal_unpacked(priv, bufptr, remaining); + } + if (r < 0) { + /* Set the return value to the error code */ + unifi_error(priv, "unifi_write: (udi or sme)_send_signal() returns %d\n", r); + bytes_written = r; + break; + } + bufptr += r; + remaining -= r; + bytes_written += r; + } + + kfree(buf); + + func_exit_r(bytes_written); + + return bytes_written; +} /* unifi_write() */ + + +static const char* build_type_to_string(unsigned char build_type) +{ + switch (build_type) + { + case UNIFI_BUILD_NME: return "NME"; + case UNIFI_BUILD_WEXT: return "WEXT"; + case UNIFI_BUILD_AP: return "AP"; + } + return "unknown"; +} + + +/* + * ---------------------------------------------------------------- + * unifi_ioctl + * + * Ioctl handler for unifi driver. + * + * Arguments: + * inodep Pointer to inode structure. + * filp Pointer to file structure. + * cmd Ioctl cmd passed by user. + * arg Ioctl arg passed by user. + * + * Returns: + * 0 on success, -ve error code on error. + * ---------------------------------------------------------------- + */ +static long +unifi_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + ul_client_t *pcli = (ul_client_t*)filp->private_data; + unifi_priv_t *priv; + struct net_device *dev; + int r = 0; + int int_param, i; + u8* buf; + CsrResult csrResult; +#if (defined CSR_SUPPORT_SME) + unifi_cfg_command_t cfg_cmd; +#if (defined CSR_SUPPORT_WEXT) + CsrWifiSmeCoexConfig coex_config; + unsigned char uchar_param; + unsigned char varbind[MAX_VARBIND_LENGTH]; + int vblen; +#endif +#endif + unifi_putest_command_t putest_cmd; + + priv = uf_find_instance(pcli->instance); + if (!priv) { + unifi_error(priv, "ioctl error: unknown instance=%d\n", pcli->instance); + r = -ENODEV; + goto out; + } + unifi_trace(priv, UDBG5, "unifi_ioctl: cmd=0x%X, arg=0x%lX\n", cmd, arg); + + switch (cmd) { + + case UNIFI_GET_UDI_ENABLE: + unifi_trace(priv, UDBG4, "UniFi Get UDI Enable\n"); + + down(&priv->udi_logging_mutex); + int_param = (priv->logging_client == NULL) ? 0 : 1; + up(&priv->udi_logging_mutex); + + if (put_user(int_param, (int*)arg)) + { + unifi_error(priv, "UNIFI_GET_UDI_ENABLE: Failed to copy to user\n"); + r = -EFAULT; + goto out; + } + break; + + case UNIFI_SET_UDI_ENABLE: + unifi_trace(priv, UDBG4, "UniFi Set UDI Enable\n"); + if (get_user(int_param, (int*)arg)) + { + unifi_error(priv, "UNIFI_SET_UDI_ENABLE: Failed to copy from user\n"); + r = -EFAULT; + goto out; + } + +#ifdef CSR_WIFI_HIP_DEBUG_OFFLINE + if (log_hip_signals) { + unifi_error(priv, "omnicli cannot be used when log_hip_signals is used\n"); + r = -EFAULT; + goto out; + } +#endif + + down(&priv->udi_logging_mutex); + if (int_param) { + pcli->event_hook = udi_log_event; + unifi_set_udi_hook(priv->card, logging_handler); + /* Log all signals by default */ + for (i = 0; i < SIG_FILTER_SIZE; i++) { + pcli->signal_filter[i] = 0xFFFF; + } + priv->logging_client = pcli; + + } else { + priv->logging_client = NULL; + pcli->event_hook = NULL; + } + up(&priv->udi_logging_mutex); + + break; + + case UNIFI_SET_MIB: + unifi_trace(priv, UDBG4, "UniFi Set MIB\n"); +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) + /* Read first 2 bytes and check length */ + if (copy_from_user((void*)varbind, (void*)arg, 2)) { + unifi_error(priv, + "UNIFI_SET_MIB: Failed to copy in varbind header\n"); + r = -EFAULT; + goto out; + } + vblen = varbind[1]; + if ((vblen + 2) > MAX_VARBIND_LENGTH) { + unifi_error(priv, + "UNIFI_SET_MIB: Varbind too long (%d, limit %d)\n", + (vblen+2), MAX_VARBIND_LENGTH); + r = -EINVAL; + goto out; + } + /* Read rest of varbind */ + if (copy_from_user((void*)(varbind+2), (void*)(arg+2), vblen)) { + unifi_error(priv, "UNIFI_SET_MIB: Failed to copy in varbind\n"); + r = -EFAULT; + goto out; + } + + /* send to SME */ + vblen += 2; + r = sme_mgt_mib_set(priv, varbind, vblen); + if (r) { + goto out; + } +#else + unifi_notice(priv, "UNIFI_SET_MIB: Unsupported.\n"); +#endif /* CSR_SUPPORT_WEXT */ + break; + + case UNIFI_GET_MIB: + unifi_trace(priv, UDBG4, "UniFi Get MIB\n"); +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) + /* Read first 2 bytes and check length */ + if (copy_from_user((void*)varbind, (void*)arg, 2)) { + unifi_error(priv, "UNIFI_GET_MIB: Failed to copy in varbind header\n"); + r = -EFAULT; + goto out; + } + vblen = varbind[1]; + if ((vblen+2) > MAX_VARBIND_LENGTH) { + unifi_error(priv, "UNIFI_GET_MIB: Varbind too long (%d, limit %d)\n", + (vblen+2), MAX_VARBIND_LENGTH); + r = -EINVAL; + goto out; + } + /* Read rest of varbind */ + if (copy_from_user((void*)(varbind+2), (void*)(arg+2), vblen)) { + unifi_error(priv, "UNIFI_GET_MIB: Failed to copy in varbind\n"); + r = -EFAULT; + goto out; + } + + vblen += 2; + r = sme_mgt_mib_get(priv, varbind, &vblen); + if (r) { + goto out; + } + /* copy out varbind */ + if (vblen > MAX_VARBIND_LENGTH) { + unifi_error(priv, + "UNIFI_GET_MIB: Varbind result too long (%d, limit %d)\n", + vblen, MAX_VARBIND_LENGTH); + r = -EINVAL; + goto out; + } + if (copy_to_user((void*)arg, varbind, vblen)) { + r = -EFAULT; + goto out; + } +#else + unifi_notice(priv, "UNIFI_GET_MIB: Unsupported.\n"); +#endif /* CSR_SUPPORT_WEXT */ + break; + + case UNIFI_CFG: +#if (defined CSR_SUPPORT_SME) + if (get_user(cfg_cmd, (unifi_cfg_command_t*)arg)) + { + unifi_error(priv, "UNIFI_CFG: Failed to get the command\n"); + r = -EFAULT; + goto out; + } + + unifi_trace(priv, UDBG1, "UNIFI_CFG: Command is %d (t=%u) sz=%d\n", + cfg_cmd, jiffies_to_msecs(jiffies), sizeof(unifi_cfg_command_t)); + switch (cfg_cmd) { + case UNIFI_CFG_POWER: + r = unifi_cfg_power(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_POWERSAVE: + r = unifi_cfg_power_save(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_POWERSUPPLY: + r = unifi_cfg_power_supply(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_FILTER: + r = unifi_cfg_packet_filters(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_GET: + r = unifi_cfg_get_info(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_WMM_QOSINFO: + r = unifi_cfg_wmm_qos_info(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_WMM_ADDTS: + r = unifi_cfg_wmm_addts(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_WMM_DELTS: + r = unifi_cfg_wmm_delts(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_STRICT_DRAFT_N: + r = unifi_cfg_strict_draft_n(priv, (unsigned char*)arg); + break; + case UNIFI_CFG_ENABLE_OKC: + r = unifi_cfg_enable_okc(priv, (unsigned char*)arg); + break; +#ifdef CSR_SUPPORT_SME + case UNIFI_CFG_CORE_DUMP: + CsrWifiRouterCtrlWifiOffIndSend(priv->CSR_WIFI_SME_IFACEQUEUE,0,CSR_WIFI_SME_CONTROL_INDICATION_ERROR); + unifi_trace(priv, UDBG2, "UNIFI_CFG_CORE_DUMP: sent wifi off indication\n"); + break; +#endif +#ifdef CSR_SUPPORT_WEXT_AP + case UNIFI_CFG_SET_AP_CONFIG: + r= unifi_cfg_set_ap_config(priv,(unsigned char*)arg); + break; +#endif + default: + unifi_error(priv, "UNIFI_CFG: Unknown Command (%d)\n", cfg_cmd); + r = -EINVAL; + goto out; + } +#endif + + break; + + case UNIFI_PUTEST: + if (get_user(putest_cmd, (unifi_putest_command_t*)arg)) + { + unifi_error(priv, "UNIFI_PUTEST: Failed to get the command\n"); + r = -EFAULT; + goto out; + } + + unifi_trace(priv, UDBG1, "UNIFI_PUTEST: Command is %s\n", + trace_putest_cmdid(putest_cmd)); + switch (putest_cmd) { + case UNIFI_PUTEST_START: + r = unifi_putest_start(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_STOP: + r = unifi_putest_stop(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_SET_SDIO_CLOCK: + r = unifi_putest_set_sdio_clock(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_CMD52_READ: + r = unifi_putest_cmd52_read(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_CMD52_BLOCK_READ: + r = unifi_putest_cmd52_block_read(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_CMD52_WRITE: + r = unifi_putest_cmd52_write(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_DL_FW: + r = unifi_putest_dl_fw(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_DL_FW_BUFF: + r = unifi_putest_dl_fw_buff(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_COREDUMP_PREPARE: + r = unifi_putest_coredump_prepare(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_GP_READ16: + r = unifi_putest_gp_read16(priv, (unsigned char*)arg); + break; + case UNIFI_PUTEST_GP_WRITE16: + r = unifi_putest_gp_write16(priv, (unsigned char*)arg); + break; + default: + unifi_error(priv, "UNIFI_PUTEST: Unknown Command (%d)\n", putest_cmd); + r = -EINVAL; + goto out; + } + + break; + case UNIFI_BUILD_TYPE: + unifi_trace(priv, UDBG2, "UNIFI_BUILD_TYPE userspace=%s\n", build_type_to_string(*(unsigned char*)arg)); +#ifndef CSR_SUPPORT_WEXT_AP + if (UNIFI_BUILD_AP == *(unsigned char*)arg) + { + unifi_error(priv, "Userspace has AP support, which is incompatible\n"); + } +#endif + +#ifndef CSR_SUPPORT_WEXT + if (UNIFI_BUILD_WEXT == *(unsigned char*)arg) + { + unifi_error(priv, "Userspace has WEXT support, which is incompatible\n"); + } +#endif + break; + case UNIFI_INIT_HW: + unifi_trace(priv, UDBG2, "UNIFI_INIT_HW.\n"); + priv->init_progress = UNIFI_INIT_NONE; + +#if defined(CSR_SUPPORT_WEXT) || defined (CSR_NATIVE_LINUX) + /* At this point we are ready to start the SME. */ + r = sme_mgt_wifi_on(priv); + if (r) { + goto out; + } +#endif + + break; + + case UNIFI_INIT_NETDEV: + { + /* get the proper interfaceTagId */ + u16 interfaceTag=0; + netInterface_priv_t *interfacePriv = priv->interfacePriv[interfaceTag]; + + dev = priv->netdev[interfaceTag]; + unifi_trace(priv, UDBG2, "UNIFI_INIT_NETDEV.\n"); + + if (copy_from_user((void*)dev->dev_addr, (void*)arg, 6)) { + r = -EFAULT; + goto out; + } + + /* Attach the network device to the stack */ + if (!interfacePriv->netdev_registered) + { + r = uf_register_netdev(priv,interfaceTag); + if (r) { + unifi_error(priv, "Failed to register the network device.\n"); + goto out; + } + } + + /* Apply scheduled interrupt mode, if requested by module param */ + if (run_bh_once != -1) { + unifi_set_interrupt_mode(priv->card, (u32)run_bh_once); + } + + priv->init_progress = UNIFI_INIT_COMPLETED; + + /* Firmware initialisation is complete, so let the SDIO bus + * clock be raised when convienent to the core. + */ + unifi_request_max_sdio_clock(priv->card); + +#ifdef CSR_SUPPORT_WEXT + /* Notify the Android wpa_supplicant that we are ready */ + wext_send_started_event(priv); +#endif + + unifi_info(priv, "UniFi ready\n"); + +#ifdef ANDROID_BUILD + /* Release the wakelock */ + unifi_trace(priv, UDBG1, "netdev_init: release wake lock\n"); + wake_unlock(&unifi_sdio_wake_lock); +#endif +#ifdef CSR_NATIVE_SOFTMAC /* For softmac dev, force-enable the network interface rather than wait for a connected-ind */ + { + struct net_device *dev = priv->netdev[interfaceTag]; +#ifdef CSR_SUPPORT_WEXT + interfacePriv->wait_netdev_change = TRUE; +#endif + netif_carrier_on(dev); + } +#endif + } + break; + case UNIFI_GET_INIT_STATUS: + unifi_trace(priv, UDBG2, "UNIFI_GET_INIT_STATUS.\n"); + if (put_user(priv->init_progress, (int*)arg)) + { + printk(KERN_ERR "UNIFI_GET_INIT_STATUS: Failed to copy to user\n"); + r = -EFAULT; + goto out; + } + break; + + case UNIFI_KICK: + unifi_trace(priv, UDBG4, "Kick UniFi\n"); + unifi_sdio_interrupt_handler(priv->card); + break; + + case UNIFI_SET_DEBUG: + unifi_debug = arg; + unifi_trace(priv, UDBG4, "unifi_debug set to %d\n", unifi_debug); + break; + + case UNIFI_SET_TRACE: + /* no longer supported */ + r = -EINVAL; + break; + + + case UNIFI_SET_UDI_LOG_MASK: + { + unifiio_filter_t udi_filter; + uint16_t *sig_ids_addr; +#define UF_MAX_SIG_IDS 128 /* Impose a sensible limit */ + + if (copy_from_user((void*)(&udi_filter), (void*)arg, sizeof(udi_filter))) { + r = -EFAULT; + goto out; + } + if ((udi_filter.action < UfSigFil_AllOn) || + (udi_filter.action > UfSigFil_SelectOff)) + { + printk(KERN_WARNING + "UNIFI_SET_UDI_LOG_MASK: Bad action value: %d\n", + udi_filter.action); + r = -EINVAL; + goto out; + } + /* No signal list for "All" actions */ + if ((udi_filter.action == UfSigFil_AllOn) || + (udi_filter.action == UfSigFil_AllOff)) + { + udi_filter.num_sig_ids = 0; + } + + if (udi_filter.num_sig_ids > UF_MAX_SIG_IDS) { + printk(KERN_WARNING + "UNIFI_SET_UDI_LOG_MASK: too many signal ids (%d, max %d)\n", + udi_filter.num_sig_ids, UF_MAX_SIG_IDS); + r = -EINVAL; + goto out; + } + + /* Copy in signal id list if given */ + if (udi_filter.num_sig_ids > 0) { + /* Preserve userspace address of sig_ids array */ + sig_ids_addr = udi_filter.sig_ids; + /* Allocate kernel memory for sig_ids and copy to it */ + udi_filter.sig_ids = + kmalloc(udi_filter.num_sig_ids * sizeof(uint16_t), GFP_KERNEL); + if (!udi_filter.sig_ids) { + r = -ENOMEM; + goto out; + } + if (copy_from_user((void*)udi_filter.sig_ids, + (void*)sig_ids_addr, + udi_filter.num_sig_ids * sizeof(uint16_t))) + { + kfree(udi_filter.sig_ids); + r = -EFAULT; + goto out; + } + } + + udi_set_log_filter(pcli, &udi_filter); + + if (udi_filter.num_sig_ids > 0) { + kfree(udi_filter.sig_ids); + } + } + break; + + case UNIFI_SET_AMP_ENABLE: + unifi_trace(priv, UDBG4, "UniFi Set AMP Enable\n"); + if (get_user(int_param, (int*)arg)) + { + unifi_error(priv, "UNIFI_SET_AMP_ENABLE: Failed to copy from user\n"); + r = -EFAULT; + goto out; + } + + if (int_param) { + priv->amp_client = pcli; + } else { + priv->amp_client = NULL; + } + + int_param = 0; + buf = (u8*)&int_param; + buf[0] = UNIFI_SOFT_COMMAND_Q_LENGTH - 1; + buf[1] = UNIFI_SOFT_TRAFFIC_Q_LENGTH - 1; + if (copy_to_user((void*)arg, &int_param, sizeof(int))) { + r = -EFAULT; + goto out; + } + break; + + case UNIFI_SET_UDI_SNAP_MASK: + { + unifiio_snap_filter_t snap_filter; + + if (copy_from_user((void*)(&snap_filter), (void*)arg, sizeof(snap_filter))) { + r = -EFAULT; + goto out; + } + + if (pcli->snap_filter.count) { + pcli->snap_filter.count = 0; + kfree(pcli->snap_filter.protocols); + } + + if (snap_filter.count == 0) { + break; + } + + pcli->snap_filter.protocols = kmalloc(snap_filter.count * sizeof(u16), GFP_KERNEL); + if (!pcli->snap_filter.protocols) { + r = -ENOMEM; + goto out; + } + if (copy_from_user((void*)pcli->snap_filter.protocols, + (void*)snap_filter.protocols, + snap_filter.count * sizeof(u16))) + { + kfree(pcli->snap_filter.protocols); + r = -EFAULT; + goto out; + } + + pcli->snap_filter.count = snap_filter.count; + + } + break; + + case UNIFI_SME_PRESENT: + { + u8 ind; + unifi_trace(priv, UDBG4, "UniFi SME Present IOCTL.\n"); + if (copy_from_user((void*)(&int_param), (void*)arg, sizeof(int))) + { + printk(KERN_ERR "UNIFI_SME_PRESENT: Failed to copy from user\n"); + r = -EFAULT; + goto out; + } + + priv->sme_is_present = int_param; + if (priv->sme_is_present == 1) { + ind = CONFIG_SME_PRESENT; + } else { + ind = CONFIG_SME_NOT_PRESENT; + } + /* Send an indication to the helper app. */ + ul_log_config_ind(priv, &ind, sizeof(u8)); + } + break; + + case UNIFI_CFG_PERIOD_TRAFFIC: + { +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) + CsrWifiSmeCoexConfig coexConfig; +#endif /* CSR_SUPPORT_SME && CSR_SUPPORT_WEXT */ + unifi_trace(priv, UDBG4, "UniFi Configure Periodic Traffic.\n"); +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) + if (copy_from_user((void*)(&uchar_param), (void*)arg, sizeof(unsigned char))) { + unifi_error(priv, "UNIFI_CFG_PERIOD_TRAFFIC: Failed to copy from user\n"); + r = -EFAULT; + goto out; + } + + if (uchar_param == 0) { + r = sme_mgt_coex_config_get(priv, &coexConfig); + if (r) { + unifi_error(priv, "UNIFI_CFG_PERIOD_TRAFFIC: Get unifi_CoexInfoValue failed.\n"); + goto out; + } + if (copy_to_user((void*)(arg + 1), + (void*)&coexConfig, + sizeof(CsrWifiSmeCoexConfig))) { + r = -EFAULT; + goto out; + } + goto out; + } + + if (copy_from_user((void*)(&coex_config), (void*)(arg + 1), sizeof(CsrWifiSmeCoexConfig))) + { + unifi_error(priv, "UNIFI_CFG_PERIOD_TRAFFIC: Failed to copy from user\n"); + r = -EFAULT; + goto out; + } + + coexConfig = coex_config; + r = sme_mgt_coex_config_set(priv, &coexConfig); + if (r) { + unifi_error(priv, "UNIFI_CFG_PERIOD_TRAFFIC: Set unifi_CoexInfoValue failed.\n"); + goto out; + } + +#endif /* CSR_SUPPORT_SME && CSR_SUPPORT_WEXT */ + break; + } + case UNIFI_CFG_UAPSD_TRAFFIC: + unifi_trace(priv, UDBG4, "UniFi Configure U-APSD Mask.\n"); +#if (defined CSR_SUPPORT_SME) && (defined CSR_SUPPORT_WEXT) + if (copy_from_user((void*)(&uchar_param), (void*)arg, sizeof(unsigned char))) { + unifi_error(priv, "UNIFI_CFG_UAPSD_TRAFFIC: Failed to copy from user\n"); + r = -EFAULT; + goto out; + } + unifi_trace(priv, UDBG4, "New U-APSD Mask: 0x%x\n", uchar_param); +#endif /* CSR_SUPPORT_SME && CSR_SUPPORT_WEXT */ + break; + +#ifndef UNIFI_DISABLE_COREDUMP + case UNIFI_COREDUMP_GET_REG: + unifi_trace(priv, UDBG4, "Mini-coredump data request\n"); + { + unifiio_coredump_req_t dump_req; /* Public OS layer structure */ + unifi_coredump_req_t priv_req; /* Private HIP structure */ + + if (copy_from_user((void*)(&dump_req), (void*)arg, sizeof(dump_req))) { + r = -EFAULT; + goto out; + } + memset(&priv_req, 0, sizeof(priv_req)); + priv_req.index = dump_req.index; + priv_req.offset = dump_req.offset; + + /* Convert OS-layer's XAP memory space ID to HIP's ID in case they differ */ + switch (dump_req.space) { + case UNIFIIO_COREDUMP_MAC_REG: priv_req.space = UNIFI_COREDUMP_MAC_REG; break; + case UNIFIIO_COREDUMP_PHY_REG: priv_req.space = UNIFI_COREDUMP_PHY_REG; break; + case UNIFIIO_COREDUMP_SH_DMEM: priv_req.space = UNIFI_COREDUMP_SH_DMEM; break; + case UNIFIIO_COREDUMP_MAC_DMEM: priv_req.space = UNIFI_COREDUMP_MAC_DMEM; break; + case UNIFIIO_COREDUMP_PHY_DMEM: priv_req.space = UNIFI_COREDUMP_PHY_DMEM; break; + case UNIFIIO_COREDUMP_TRIGGER_MAGIC: priv_req.space = UNIFI_COREDUMP_TRIGGER_MAGIC; break; + default: + r = -EINVAL; + goto out; + } + + if (priv_req.space == UNIFI_COREDUMP_TRIGGER_MAGIC) { + /* Force a coredump grab now */ + unifi_trace(priv, UDBG2, "UNIFI_COREDUMP_GET_REG: Force capture\n"); + csrResult = unifi_coredump_capture(priv->card, &priv_req); + r = CsrHipResultToStatus(csrResult); + unifi_trace(priv, UDBG5, "UNIFI_COREDUMP_GET_REG: status %d\n", r); + } else { + /* Retrieve the appropriate register entry */ + csrResult = unifi_coredump_get_value(priv->card, &priv_req); + r = CsrHipResultToStatus(csrResult); + if (r) { + unifi_trace(priv, UDBG5, "UNIFI_COREDUMP_GET_REG: Status %d\n", r); + goto out; + } + /* Update the OS-layer structure with values returned in the private */ + dump_req.value = priv_req.value; + dump_req.timestamp = priv_req.timestamp; + dump_req.requestor = priv_req.requestor; + dump_req.serial = priv_req.serial; + dump_req.chip_ver = priv_req.chip_ver; + dump_req.fw_ver = priv_req.fw_ver; + dump_req.drv_build = 0; + + unifi_trace(priv, UDBG6, + "Dump: %d (seq %d): V:0x%04x (%d) @0x%02x:%04x = 0x%04x\n", + dump_req.index, dump_req.serial, + dump_req.chip_ver, dump_req.drv_build, + dump_req.space, dump_req.offset, dump_req.value); + } + if (copy_to_user((void*)arg, (void*)&dump_req, sizeof(dump_req))) { + r = -EFAULT; + goto out; + } + } + break; +#endif + default: + r = -EINVAL; + } + +out: + return (long)r; +} /* unifi_ioctl() */ + + + +static unsigned int +unifi_poll(struct file *filp, poll_table *wait) +{ + ul_client_t *pcli = (ul_client_t*)filp->private_data; + unsigned int mask = 0; + int ready; + + func_enter(); + + ready = !list_empty(&pcli->udi_log); + + poll_wait(filp, &pcli->udi_wq, wait); + + if (ready) { + mask |= POLLIN | POLLRDNORM; /* readable */ + } + + func_exit(); + + return mask; +} /* unifi_poll() */ + + + +/* + * --------------------------------------------------------------------------- + * udi_set_log_filter + * + * Configure the bit mask that determines which signal primitives are + * passed to the logging process. + * + * Arguments: + * pcli Pointer to the client to configure. + * udi_filter Pointer to a unifiio_filter_t containing instructions. + * + * Returns: + * None. + * + * Notes: + * SigGetFilterPos() returns a 32-bit value that contains an index and a + * mask for accessing a signal_filter array. The top 16 bits specify an + * index into a signal_filter, the bottom 16 bits specify a mask to + * apply. + * --------------------------------------------------------------------------- + */ +static void +udi_set_log_filter(ul_client_t *pcli, unifiio_filter_t *udi_filter) +{ + u32 filter_pos; + int i; + + if (udi_filter->action == UfSigFil_AllOn) + { + for (i = 0; i < SIG_FILTER_SIZE; i++) { + pcli->signal_filter[i] = 0xFFFF; + } + } + else if (udi_filter->action == UfSigFil_AllOff) + { + for (i = 0; i < SIG_FILTER_SIZE; i++) { + pcli->signal_filter[i] = 0; + } + } + else if (udi_filter->action == UfSigFil_SelectOn) + { + for (i = 0; i < udi_filter->num_sig_ids; i++) { + filter_pos = SigGetFilterPos(udi_filter->sig_ids[i]); + if (filter_pos == 0xFFFFFFFF) + { + printk(KERN_WARNING + "Unrecognised signal id (0x%X) specifed in logging filter\n", + udi_filter->sig_ids[i]); + } else { + pcli->signal_filter[filter_pos >> 16] |= (filter_pos & 0xFFFF); + } + } + } + else if (udi_filter->action == UfSigFil_SelectOff) + { + for (i = 0; i < udi_filter->num_sig_ids; i++) { + filter_pos = SigGetFilterPos(udi_filter->sig_ids[i]); + if (filter_pos == 0xFFFFFFFF) + { + printk(KERN_WARNING + "Unrecognised signal id (0x%X) specifed in logging filter\n", + udi_filter->sig_ids[i]); + } else { + pcli->signal_filter[filter_pos >> 16] &= ~(filter_pos & 0xFFFF); + } + } + } + +} /* udi_set_log_filter() */ + + +/* + * --------------------------------------------------------------------------- + * udi_log_event + * + * Callback function to be registered as the UDI hook callback. + * Copies the signal content into a new udi_log_t struct and adds + * it to the read queue for this UDI client. + * + * Arguments: + * pcli A pointer to the client instance. + * signal Pointer to the received signal. + * signal_len Size of the signal structure in bytes. + * bulkdata Pointers to any associated bulk data. + * dir Direction of the signal. Zero means from host, + * non-zero means to host. + * + * Returns: + * None. + * --------------------------------------------------------------------------- + */ +void +udi_log_event(ul_client_t *pcli, + const u8 *signal, int signal_len, + const bulk_data_param_t *bulkdata, + int dir) +{ + udi_log_t *logptr; + u8 *p; + int i; + int total_len; + udi_msg_t *msgptr; + u32 filter_pos; +#ifdef OMNICLI_LINUX_EXTRA_LOG + static volatile unsigned int printk_cpu = UINT_MAX; + unsigned long long t; + unsigned long nanosec_rem; + unsigned long n_1000; +#endif + + func_enter(); + + /* Just a sanity check */ + if ((signal == NULL) || (signal_len <= 0)) { + return; + } + +#ifdef CSR_WIFI_HIP_DEBUG_OFFLINE + /* When HIP offline signal logging is enabled, omnicli cannot run */ + if (log_hip_signals) + { + /* Add timestamp */ + if (log_hip_signals & UNIFI_LOG_HIP_SIGNALS_FILTER_TIMESTAMP) + { + int timestamp = jiffies_to_msecs(jiffies); + unifi_debug_log_to_buf("T:"); + unifi_debug_log_to_buf("%04X%04X ", *(((u16*)×tamp) + 1), + *(u16*)×tamp); + } + + /* Add signal */ + unifi_debug_log_to_buf("S%s:%04X R:%04X D:%04X ", + dir ? "T" : "F", + *(u16*)signal, + *(u16*)(signal + 2), + *(u16*)(signal + 4)); + unifi_debug_hex_to_buf(signal + 6, signal_len - 6); + + /* Add bulk data (assume 1 bulk data per signal) */ + if ((log_hip_signals & UNIFI_LOG_HIP_SIGNALS_FILTER_BULKDATA) && + (bulkdata->d[0].data_length > 0)) + { + unifi_debug_log_to_buf("\nD:"); + unifi_debug_hex_to_buf(bulkdata->d[0].os_data_ptr, bulkdata->d[0].data_length); + } + unifi_debug_log_to_buf("\n"); + + return; + } +#endif + +#ifdef CSR_NATIVE_LINUX + uf_native_process_udi_signal(pcli, signal, signal_len, bulkdata, dir); +#endif + + /* + * Apply the logging filter - only report signals that have their + * bit set in the filter mask. + */ + filter_pos = SigGetFilterPos(GET_SIGNAL_ID(signal)); + + if ((filter_pos != 0xFFFFFFFF) && + ((pcli->signal_filter[filter_pos >> 16] & (filter_pos & 0xFFFF)) == 0)) + { + /* Signal is not wanted by client */ + return; + } + + + /* Calculate the buffer we need to store signal plus bulk data */ + total_len = signal_len; + for (i = 0; i < UNIFI_MAX_DATA_REFERENCES; i++) { + total_len += bulkdata->d[i].data_length; + } + + /* Allocate log structure plus actual signal. */ + logptr = (udi_log_t *)kmalloc(sizeof(udi_log_t) + total_len, GFP_KERNEL); + + if (logptr == NULL) { + printk(KERN_ERR + "Failed to allocate %lu bytes for a UDI log record\n", + (long unsigned int)(sizeof(udi_log_t) + total_len)); + return; + } + + /* Fill in udi_log struct */ + INIT_LIST_HEAD(&logptr->q); + msgptr = &logptr->msg; + msgptr->length = sizeof(udi_msg_t) + total_len; +#ifdef OMNICLI_LINUX_EXTRA_LOG + t = cpu_clock(printk_cpu); + nanosec_rem = do_div(t, 1000000000); + n_1000 = nanosec_rem/1000; + msgptr->timestamp = (t <<10 ) | ((unsigned long)(n_1000 >> 10) & 0x3ff); +#else + msgptr->timestamp = jiffies_to_msecs(jiffies); +#endif + msgptr->direction = dir; + msgptr->signal_length = signal_len; + + /* Copy signal and bulk data to the log */ + p = (u8 *)(msgptr + 1); + memcpy(p, signal, signal_len); + p += signal_len; + + /* Append any bulk data */ + for (i = 0; i < UNIFI_MAX_DATA_REFERENCES; i++) { + int len = bulkdata->d[i].data_length; + + /* + * Len here might not be the same as the length in the bulk data slot. + * The slot length will always be even, but len could be odd. + */ + if (len > 0) { + if (bulkdata->d[i].os_data_ptr) { + memcpy(p, bulkdata->d[i].os_data_ptr, len); + } else { + memset(p, 0, len); + } + p += len; + } + } + + /* Add to tail of log queue */ + if (down_interruptible(&pcli->udi_sem)) { + printk(KERN_WARNING "udi_log_event_q: Failed to get udi sem\n"); + kfree(logptr); + func_exit(); + return; + } + list_add_tail(&logptr->q, &pcli->udi_log); + up(&pcli->udi_sem); + + /* Wake any waiting user process */ + wake_up_interruptible(&pcli->udi_wq); + + func_exit(); +} /* udi_log_event() */ + +#ifdef CSR_SME_USERSPACE +int +uf_sme_queue_message(unifi_priv_t *priv, u8 *buffer, int length) +{ + udi_log_t *logptr; + udi_msg_t *msgptr; + u8 *p; + + func_enter(); + + /* Just a sanity check */ + if ((buffer == NULL) || (length <= 0)) { + return -EINVAL; + } + + /* Allocate log structure plus actual signal. */ + logptr = (udi_log_t *)kmalloc(sizeof(udi_log_t) + length, GFP_ATOMIC); + if (logptr == NULL) { + unifi_error(priv, "Failed to allocate %d bytes for an SME message\n", + sizeof(udi_log_t) + length); + kfree(buffer); + return -ENOMEM; + } + + /* Fill in udi_log struct */ + INIT_LIST_HEAD(&logptr->q); + msgptr = &logptr->msg; + msgptr->length = sizeof(udi_msg_t) + length; + msgptr->signal_length = length; + + /* Copy signal and bulk data to the log */ + p = (u8 *)(msgptr + 1); + memcpy(p, buffer, length); + + /* Add to tail of log queue */ + down(&udi_mutex); + if (priv->sme_cli == NULL) { + kfree(logptr); + kfree(buffer); + up(&udi_mutex); + unifi_info(priv, "Message for the SME dropped, SME has gone away\n"); + return 0; + } + + down(&priv->sme_cli->udi_sem); + list_add_tail(&logptr->q, &priv->sme_cli->udi_log); + up(&priv->sme_cli->udi_sem); + + /* Wake any waiting user process */ + wake_up_interruptible(&priv->sme_cli->udi_wq); + up(&udi_mutex); + + /* It is our responsibility to free the buffer allocated in build_packed_*() */ + kfree(buffer); + + func_exit(); + + return 0; + +} /* uf_sme_queue_message() */ +#endif + + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27) +#define UF_DEVICE_CREATE(_class, _parent, _devno, _priv, _fmt, _args) \ + device_create(_class, _parent, _devno, _priv, _fmt, _args) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26) +#define UF_DEVICE_CREATE(_class, _parent, _devno, _priv, _fmt, _args) \ + device_create_drvdata(_class, _parent, _devno, _priv, _fmt, _args) +#else +#define UF_DEVICE_CREATE(_class, _parent, _devno, _priv, _fmt, _args) \ + device_create(_class, _parent, _devno, _fmt, _args) +#endif + +/* + **************************************************************************** + * + * Driver instantiation + * + **************************************************************************** + */ +static struct file_operations unifi_fops = { + .owner = THIS_MODULE, + .open = unifi_open, + .release = unifi_release, + .read = unifi_read, + .write = unifi_write, + .unlocked_ioctl = unifi_ioctl, + .poll = unifi_poll, +}; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27) +#define UF_DEVICE_CREATE(_class, _parent, _devno, _priv, _fmt, _args) \ + device_create(_class, _parent, _devno, _priv, _fmt, _args) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26) +#define UF_DEVICE_CREATE(_class, _parent, _devno, _priv, _fmt, _args) \ + device_create_drvdata(_class, _parent, _devno, _priv, _fmt, _args) +#else +#define UF_DEVICE_CREATE(_class, _parent, _devno, _priv, _fmt, _args) \ + device_create(_class, _parent, _devno, _fmt, _args) +#endif + +static dev_t unifi_first_devno; +static struct class *unifi_class; + + +int uf_create_device_nodes(unifi_priv_t *priv, int bus_id) +{ + dev_t devno; + int r; + + cdev_init(&priv->unifi_cdev, &unifi_fops); + + /* cdev_init() should set the cdev owner, but it does not */ + priv->unifi_cdev.owner = THIS_MODULE; + + devno = MKDEV(MAJOR(unifi_first_devno), + MINOR(unifi_first_devno) + (bus_id * 2)); + r = cdev_add(&priv->unifi_cdev, devno, 1); + if (r) { + return r; + } + +#ifdef SDIO_EXPORTS_STRUCT_DEVICE + if (!UF_DEVICE_CREATE(unifi_class, priv->unifi_device, + devno, priv, "unifi%d", bus_id)) { +#else + priv->unifi_device = UF_DEVICE_CREATE(unifi_class, NULL, + devno, priv, "unifi%d", bus_id); + if (priv->unifi_device == NULL) { +#endif /* SDIO_EXPORTS_STRUCT_DEVICE */ + + cdev_del(&priv->unifi_cdev); + return -EINVAL; + } + + cdev_init(&priv->unifiudi_cdev, &unifi_fops); + + /* cdev_init() should set the cdev owner, but it does not */ + priv->unifiudi_cdev.owner = THIS_MODULE; + + devno = MKDEV(MAJOR(unifi_first_devno), + MINOR(unifi_first_devno) + (bus_id * 2) + 1); + r = cdev_add(&priv->unifiudi_cdev, devno, 1); + if (r) { + device_destroy(unifi_class, priv->unifi_cdev.dev); + cdev_del(&priv->unifi_cdev); + return r; + } + + if (!UF_DEVICE_CREATE(unifi_class, +#ifdef SDIO_EXPORTS_STRUCT_DEVICE + priv->unifi_device, +#else + NULL, +#endif /* SDIO_EXPORTS_STRUCT_DEVICE */ + devno, priv, "unifiudi%d", bus_id)) { + device_destroy(unifi_class, priv->unifi_cdev.dev); + cdev_del(&priv->unifiudi_cdev); + cdev_del(&priv->unifi_cdev); + return -EINVAL; + } + + return 0; +} + + +void uf_destroy_device_nodes(unifi_priv_t *priv) +{ + device_destroy(unifi_class, priv->unifiudi_cdev.dev); + device_destroy(unifi_class, priv->unifi_cdev.dev); + cdev_del(&priv->unifiudi_cdev); + cdev_del(&priv->unifi_cdev); +} + + + +/* + * ---------------------------------------------------------------- + * uf_create_debug_device + * + * Allocates device numbers for unifi character device nodes + * and creates a unifi class in sysfs + * + * Arguments: + * fops Pointer to the char device operations structure. + * + * Returns: + * 0 on success, -ve error code on error. + * ---------------------------------------------------------------- + */ +static int +uf_create_debug_device(struct file_operations *fops) +{ + int ret; + + /* Allocate two device numbers for each device. */ + ret = alloc_chrdev_region(&unifi_first_devno, 0, MAX_UNIFI_DEVS*2, UNIFI_NAME); + if (ret) { + unifi_error(NULL, "Failed to add alloc dev numbers: %d\n", ret); + return ret; + } + + /* Create a UniFi class */ + unifi_class = class_create(THIS_MODULE, UNIFI_NAME); + if (IS_ERR(unifi_class)) { + unifi_error(NULL, "Failed to create UniFi class\n"); + + /* Release device numbers */ + unregister_chrdev_region(unifi_first_devno, MAX_UNIFI_DEVS*2); + unifi_first_devno = 0; + return -EINVAL; + } + + return 0; +} /* uf_create_debug_device() */ + + +/* + * ---------------------------------------------------------------- + * uf_remove_debug_device + * + * Destroys the unifi class and releases the allocated + * device numbers for unifi character device nodes. + * + * Arguments: + * + * Returns: + * ---------------------------------------------------------------- + */ +static void +uf_remove_debug_device(void) +{ + /* Destroy the UniFi class */ + class_destroy(unifi_class); + + /* Release device numbers */ + unregister_chrdev_region(unifi_first_devno, MAX_UNIFI_DEVS*2); + unifi_first_devno = 0; + +} /* uf_remove_debug_device() */ + + +/* + * --------------------------------------------------------------------------- + * + * Module loading. + * + * --------------------------------------------------------------------------- + */ +int __init +unifi_load(void) +{ + int r; + + printk("UniFi SDIO Driver: %s %s %s\n", + CSR_WIFI_VERSION, + __DATE__, __TIME__); + +#ifdef CSR_SME_USERSPACE +#ifdef CSR_SUPPORT_WEXT + printk("CSR SME with WEXT support\n"); +#else + printk("CSR SME no WEXT support\n"); +#endif /* CSR_SUPPORT_WEXT */ +#endif /* CSR_SME_USERSPACE */ + +#ifdef CSR_NATIVE_LINUX +#ifdef CSR_SUPPORT_WEXT +#error WEXT unsupported in the native driver +#endif + printk("CSR native no WEXT support\n"); +#endif +#ifdef CSR_WIFI_SPLIT_PATCH + printk("Split patch support\n"); +#endif + printk("Kernel %d.%d.%d\n", + ((LINUX_VERSION_CODE) >> 16) & 0xff, + ((LINUX_VERSION_CODE) >> 8) & 0xff, + (LINUX_VERSION_CODE) & 0xff); + /* + * Instantiate the /dev/unifi* device nodes. + * We must do this before registering with the SDIO driver because it + * will immediately call the "insert" callback if the card is + * already present. + */ + r = uf_create_debug_device(&unifi_fops); + if (r) { + return r; + } + + /* Now register with the SDIO driver */ + r = uf_sdio_load(); + if (r) { + uf_remove_debug_device(); + return r; + } + + if (sdio_block_size > -1) { + unifi_info(NULL, "sdio_block_size %d\n", sdio_block_size); + } + + if (sdio_byte_mode) { + unifi_info(NULL, "sdio_byte_mode\n"); + } + + if (disable_power_control) { + unifi_info(NULL, "disable_power_control\n"); + } + + if (disable_hw_reset) { + unifi_info(NULL, "disable_hw_reset\n"); + } + + if (enable_wol) { + unifi_info(NULL, "enable_wol %d\n", enable_wol); + } + + if (run_bh_once != -1) { + unifi_info(NULL, "run_bh_once %d\n", run_bh_once); + } + + return 0; +} /* unifi_load() */ + + +void __exit +unifi_unload(void) +{ + /* The SDIO remove hook will call unifi_disconnect(). */ + uf_sdio_unload(); + + uf_remove_debug_device(); + +} /* unifi_unload() */ + +module_init(unifi_load); +module_exit(unifi_unload); + +MODULE_DESCRIPTION("UniFi Device driver"); +MODULE_AUTHOR("Cambridge Silicon Radio Ltd."); +MODULE_LICENSE("GPL and additional rights"); |