diff options
Diffstat (limited to 'kernel/drivers/staging/ft1000/ft1000-usb')
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/Makefile | 3 | ||||
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 779 | ||||
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/ft1000_download.c | 1052 | ||||
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c | 1587 | ||||
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 123 | ||||
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c | 254 | ||||
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.h | 150 | ||||
-rw-r--r-- | kernel/drivers/staging/ft1000/ft1000-usb/ft3000.img | bin | 0 -> 280414 bytes |
8 files changed, 3948 insertions, 0 deletions
diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/Makefile b/kernel/drivers/staging/ft1000/ft1000-usb/Makefile new file mode 100644 index 000000000..7c4b78456 --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_FT1000_USB) += ft1000.o + +ft1000-y := ft1000_debug.o ft1000_download.o ft1000_hw.o ft1000_usb.o diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c new file mode 100644 index 000000000..2d758fb26 --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c @@ -0,0 +1,779 @@ +/* + *--------------------------------------------------------------------------- + * FT1000 driver for Flarion Flash OFDM NIC Device + * + * Copyright (C) 2006 Flarion Technologies, All rights reserved. + * + * 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; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - + * Suite 330, Boston, MA 02111-1307, USA. + *--------------------------------------------------------------------------- + * + * File: ft1000_chdev.c + * + * Description: Custom character device dispatch routines. + * + * History: + * 8/29/02 Whc Ported to Linux. + * 6/05/06 Whc Porting to Linux 2.6.9 + * + *--------------------------------------------------------------------------- + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/errno.h> +#include <linux/poll.h> +#include <linux/netdevice.h> +#include <linux/delay.h> + +#include <linux/ioctl.h> +#include <linux/debugfs.h> +#include "ft1000_usb.h" + +static int ft1000_flarion_cnt; + +static int ft1000_open(struct inode *inode, struct file *file); +static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait); +static long ft1000_ioctl(struct file *file, unsigned int command, + unsigned long argument); +static int ft1000_release(struct inode *inode, struct file *file); + +/* List to free receive command buffer pool */ +struct list_head freercvpool; + +/* lock to arbitrate free buffer list for receive command data */ +spinlock_t free_buff_lock; + +int numofmsgbuf = 0; + +/* + * Table of entry-point routines for char device + */ +static const struct file_operations ft1000fops = { + .unlocked_ioctl = ft1000_ioctl, + .poll = ft1000_poll_dev, + .open = ft1000_open, + .release = ft1000_release, + .llseek = no_llseek, +}; + +/* + --------------------------------------------------------------------------- + * Function: ft1000_get_buffer + * + * Parameters: + * + * Returns: + * + * Description: + * + * Notes: + * + *--------------------------------------------------------------------------- + */ +struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist) +{ + unsigned long flags; + struct dpram_blk *ptr; + + spin_lock_irqsave(&free_buff_lock, flags); + /* Check if buffer is available */ + if (list_empty(bufflist)) { + pr_debug("No more buffer - %d\n", numofmsgbuf); + ptr = NULL; + } else { + numofmsgbuf--; + ptr = list_entry(bufflist->next, struct dpram_blk, list); + list_del(&ptr->list); + /* pr_debug("number of free msg buffers = %d\n", numofmsgbuf); */ + } + spin_unlock_irqrestore(&free_buff_lock, flags); + + return ptr; +} + + + + +/* + *--------------------------------------------------------------------------- + * Function: ft1000_free_buffer + * + * Parameters: + * + * Returns: + * + * Description: + * + * Notes: + * + *--------------------------------------------------------------------------- + */ +void ft1000_free_buffer(struct dpram_blk *pdpram_blk, struct list_head *plist) +{ + unsigned long flags; + + spin_lock_irqsave(&free_buff_lock, flags); + /* Put memory back to list */ + list_add_tail(&pdpram_blk->list, plist); + numofmsgbuf++; + /*pr_debug("number of free msg buffers = %d\n", numofmsgbuf); */ + spin_unlock_irqrestore(&free_buff_lock, flags); +} + +/* + *--------------------------------------------------------------------------- + * Function: ft1000_CreateDevice + * + * Parameters: dev - pointer to adapter object + * + * Returns: 0 if successful + * + * Description: Creates a private char device. + * + * Notes: Only called by init_module(). + * + *--------------------------------------------------------------------------- + */ +int ft1000_create_dev(struct ft1000_usb *dev) +{ + int result; + int i; + struct dentry *dir, *file; + struct ft1000_debug_dirs *tmp; + + /* make a new device name */ + sprintf(dev->DeviceName, "%s%d", "FT1000_", dev->CardNumber); + + pr_debug("number of instance = %d\n", ft1000_flarion_cnt); + pr_debug("DeviceCreated = %x\n", dev->DeviceCreated); + + if (dev->DeviceCreated) { + pr_debug("\"%s\" already registered\n", dev->DeviceName); + return -EIO; + } + + + /* register the device */ + pr_debug("\"%s\" debugfs device registration\n", dev->DeviceName); + + tmp = kmalloc(sizeof(struct ft1000_debug_dirs), GFP_KERNEL); + if (tmp == NULL) { + result = -1; + goto fail; + } + + dir = debugfs_create_dir(dev->DeviceName, NULL); + if (IS_ERR(dir)) { + result = PTR_ERR(dir); + goto debug_dir_fail; + } + + file = debugfs_create_file("device", S_IRUGO | S_IWUSR, dir, + dev, &ft1000fops); + if (IS_ERR(file)) { + result = PTR_ERR(file); + goto debug_file_fail; + } + + tmp->dent = dir; + tmp->file = file; + tmp->int_number = dev->CardNumber; + list_add(&tmp->list, &dev->nodes.list); + + pr_debug("registered debugfs directory \"%s\"\n", dev->DeviceName); + + /* initialize application information */ + dev->appcnt = 0; + for (i = 0; i < MAX_NUM_APP; i++) { + dev->app_info[i].nTxMsg = 0; + dev->app_info[i].nRxMsg = 0; + dev->app_info[i].nTxMsgReject = 0; + dev->app_info[i].nRxMsgMiss = 0; + dev->app_info[i].fileobject = NULL; + dev->app_info[i].app_id = i+1; + dev->app_info[i].DspBCMsgFlag = 0; + dev->app_info[i].NumOfMsg = 0; + init_waitqueue_head(&dev->app_info[i].wait_dpram_msg); + INIT_LIST_HEAD(&dev->app_info[i].app_sqlist); + } + + dev->DeviceCreated = TRUE; + ft1000_flarion_cnt++; + + return 0; + +debug_file_fail: + debugfs_remove(dir); +debug_dir_fail: + kfree(tmp); +fail: + return result; +} + +/* + *--------------------------------------------------------------------------- + * Function: ft1000_DestroyDeviceDEBUG + * + * Parameters: dev - pointer to adapter object + * + * Description: Destroys a private char device. + * + * Notes: Only called by cleanup_module(). + * + *--------------------------------------------------------------------------- + */ +void ft1000_destroy_dev(struct net_device *netdev) +{ + struct ft1000_info *info = netdev_priv(netdev); + struct ft1000_usb *dev = info->priv; + int i; + struct dpram_blk *pdpram_blk; + struct dpram_blk *ptr; + struct list_head *pos, *q; + struct ft1000_debug_dirs *dir; + + if (dev->DeviceCreated) { + ft1000_flarion_cnt--; + list_for_each_safe(pos, q, &dev->nodes.list) { + dir = list_entry(pos, struct ft1000_debug_dirs, list); + if (dir->int_number == dev->CardNumber) { + debugfs_remove(dir->file); + debugfs_remove(dir->dent); + list_del(pos); + kfree(dir); + } + } + pr_debug("unregistered device \"%s\"\n", dev->DeviceName); + + /* Make sure we free any memory reserve for slow Queue */ + for (i = 0; i < MAX_NUM_APP; i++) { + while (list_empty(&dev->app_info[i].app_sqlist) == 0) { + pdpram_blk = list_entry(dev->app_info[i].app_sqlist.next, struct dpram_blk, list); + list_del(&pdpram_blk->list); + ft1000_free_buffer(pdpram_blk, &freercvpool); + + } + wake_up_interruptible(&dev->app_info[i].wait_dpram_msg); + } + + /* Remove buffer allocated for receive command data */ + if (ft1000_flarion_cnt == 0) { + while (list_empty(&freercvpool) == 0) { + ptr = list_entry(freercvpool.next, struct dpram_blk, list); + list_del(&ptr->list); + kfree(ptr->pbuffer); + kfree(ptr); + } + } + dev->DeviceCreated = FALSE; + } + + +} + +/* + *--------------------------------------------------------------------------- + * Function: ft1000_open + * + * Parameters: + * + * Description: + * + * Notes: + * + *--------------------------------------------------------------------------- + */ +static int ft1000_open(struct inode *inode, struct file *file) +{ + struct ft1000_info *info; + struct ft1000_usb *dev = (struct ft1000_usb *)inode->i_private; + int i, num; + + num = MINOR(inode->i_rdev) & 0xf; + pr_debug("minor number=%d\n", num); + + info = file->private_data = netdev_priv(dev->net); + + pr_debug("f_owner = %p number of application = %d\n", + &file->f_owner, dev->appcnt); + + /* Check if maximum number of application exceeded */ + if (dev->appcnt > MAX_NUM_APP) { + pr_debug("Maximum number of application exceeded\n"); + return -EACCES; + } + + /* Search for available application info block */ + for (i = 0; i < MAX_NUM_APP; i++) { + if ((dev->app_info[i].fileobject == NULL)) + break; + } + + /* Fail due to lack of application info block */ + if (i == MAX_NUM_APP) { + pr_debug("Could not find an application info block\n"); + return -EACCES; + } + + dev->appcnt++; + dev->app_info[i].fileobject = &file->f_owner; + dev->app_info[i].nTxMsg = 0; + dev->app_info[i].nRxMsg = 0; + dev->app_info[i].nTxMsgReject = 0; + dev->app_info[i].nRxMsgMiss = 0; + + nonseekable_open(inode, file); + return 0; +} + + +/* + *--------------------------------------------------------------------------- + * Function: ft1000_poll_dev + * + * Parameters: + * + * Description: + * + * Notes: + * + *--------------------------------------------------------------------------- + */ + +static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait) +{ + struct net_device *netdev = file->private_data; + struct ft1000_info *info = netdev_priv(netdev); + struct ft1000_usb *dev = info->priv; + int i; + + if (ft1000_flarion_cnt == 0) { + pr_debug("called with ft1000_flarion_cnt value zero\n"); + return -EBADF; + } + + /* Search for matching file object */ + for (i = 0; i < MAX_NUM_APP; i++) { + if (dev->app_info[i].fileobject == &file->f_owner) { + /* pr_debug("Message is for AppId = %d\n", dev->app_info[i].app_id); */ + break; + } + } + + /* Could not find application info block */ + if (i == MAX_NUM_APP) { + pr_debug("Could not find application info block\n"); + return -EACCES; + } + + if (list_empty(&dev->app_info[i].app_sqlist) == 0) { + pr_debug("Message detected in slow queue\n"); + return(POLLIN | POLLRDNORM | POLLPRI); + } + + poll_wait(file, &dev->app_info[i].wait_dpram_msg, wait); + /* pr_debug("Polling for data from DSP\n"); */ + + return 0; +} + +/* + *--------------------------------------------------------------------------- + * Function: ft1000_ioctl + * + * Parameters: + * + * Description: + * + * Notes: + * + *--------------------------------------------------------------------------- + */ +static long ft1000_ioctl(struct file *file, unsigned int command, + unsigned long argument) +{ + void __user *argp = (void __user *)argument; + struct ft1000_info *info; + struct ft1000_usb *ft1000dev; + int result = 0; + int cmd; + int i; + u16 tempword; + unsigned long flags; + struct timeval tv; + struct IOCTL_GET_VER get_ver_data; + struct IOCTL_GET_DSP_STAT get_stat_data; + u8 ConnectionMsg[] = {0x00, 0x44, 0x10, 0x20, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x93, 0x64, + 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x0a, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x02, 0x37, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x7f, 0x00, + 0x00, 0x01, 0x00, 0x00}; + + unsigned short ledStat = 0; + unsigned short conStat = 0; + + if (ft1000_flarion_cnt == 0) { + pr_debug("called with ft1000_flarion_cnt of zero\n"); + return -EBADF; + } + + /* pr_debug("command = 0x%x argument = 0x%8x\n", command, (u32)argument); */ + + info = file->private_data; + ft1000dev = info->priv; + cmd = _IOC_NR(command); + /* pr_debug("cmd = 0x%x\n", cmd); */ + + /* process the command */ + switch (cmd) { + case IOCTL_REGISTER_CMD: + pr_debug("IOCTL_FT1000_REGISTER called\n"); + result = get_user(tempword, (__u16 __user *)argp); + if (result) { + pr_debug("result = %d failed to get_user\n", result); + break; + } + if (tempword == DSPBCMSGID) { + /* Search for matching file object */ + for (i = 0; i < MAX_NUM_APP; i++) { + if (ft1000dev->app_info[i].fileobject == &file->f_owner) { + ft1000dev->app_info[i].DspBCMsgFlag = 1; + pr_debug("Registered for broadcast messages\n"); + break; + } + } + } + break; + + case IOCTL_GET_VER_CMD: + pr_debug("IOCTL_FT1000_GET_VER called\n"); + + get_ver_data.drv_ver = FT1000_DRV_VER; + + if (copy_to_user(argp, &get_ver_data, sizeof(get_ver_data))) { + pr_debug("copy fault occurred\n"); + result = -EFAULT; + break; + } + + pr_debug("driver version = 0x%x\n", + (unsigned int)get_ver_data.drv_ver); + + break; + case IOCTL_CONNECT: + /* Connect Message */ + pr_debug("IOCTL_FT1000_CONNECT\n"); + ConnectionMsg[79] = 0xfc; + result = card_send_command(ft1000dev, ConnectionMsg, 0x4c); + + break; + case IOCTL_DISCONNECT: + /* Disconnect Message */ + pr_debug("IOCTL_FT1000_DISCONNECT\n"); + ConnectionMsg[79] = 0xfd; + result = card_send_command(ft1000dev, ConnectionMsg, 0x4c); + break; + case IOCTL_GET_DSP_STAT_CMD: + /* pr_debug("IOCTL_FT1000_GET_DSP_STAT\n"); */ + memset(&get_stat_data, 0, sizeof(get_stat_data)); + memcpy(get_stat_data.DspVer, info->DspVer, DSPVERSZ); + memcpy(get_stat_data.HwSerNum, info->HwSerNum, HWSERNUMSZ); + memcpy(get_stat_data.Sku, info->Sku, SKUSZ); + memcpy(get_stat_data.eui64, info->eui64, EUISZ); + + if (info->ProgConStat != 0xFF) { + ft1000_read_dpram16(ft1000dev, FT1000_MAG_DSP_LED, (u8 *)&ledStat, FT1000_MAG_DSP_LED_INDX); + get_stat_data.LedStat = ntohs(ledStat); + pr_debug("LedStat = 0x%x\n", get_stat_data.LedStat); + ft1000_read_dpram16(ft1000dev, FT1000_MAG_DSP_CON_STATE, (u8 *)&conStat, FT1000_MAG_DSP_CON_STATE_INDX); + get_stat_data.ConStat = ntohs(conStat); + pr_debug("ConStat = 0x%x\n", get_stat_data.ConStat); + } else { + get_stat_data.ConStat = 0x0f; + } + + + get_stat_data.nTxPkts = info->stats.tx_packets; + get_stat_data.nRxPkts = info->stats.rx_packets; + get_stat_data.nTxBytes = info->stats.tx_bytes; + get_stat_data.nRxBytes = info->stats.rx_bytes; + do_gettimeofday(&tv); + get_stat_data.ConTm = (u32)(tv.tv_sec - info->ConTm); + pr_debug("Connection Time = %d\n", (int)get_stat_data.ConTm); + if (copy_to_user(argp, &get_stat_data, sizeof(get_stat_data))) { + pr_debug("copy fault occurred\n"); + result = -EFAULT; + break; + } + pr_debug("GET_DSP_STAT succeed\n"); + break; + case IOCTL_SET_DPRAM_CMD: + { + struct IOCTL_DPRAM_BLK *dpram_data = NULL; + /* struct IOCTL_DPRAM_COMMAND dpram_command; */ + u16 qtype; + u16 msgsz; + struct pseudo_hdr *ppseudo_hdr; + u16 *pmsg; + u16 total_len; + u16 app_index; + u16 status; + + /* pr_debug("IOCTL_FT1000_SET_DPRAM called\n");*/ + + + if (ft1000_flarion_cnt == 0) + return -EBADF; + + if (ft1000dev->DrvMsgPend) + return -ENOTTY; + + if (ft1000dev->fProvComplete == 0) + return -EACCES; + + ft1000dev->fAppMsgPend = true; + + if (info->CardReady) { + + /* pr_debug("try to SET_DPRAM\n"); */ + + /* Get the length field to see how many bytes to copy */ + result = get_user(msgsz, (__u16 __user *)argp); + if (result) + break; + msgsz = ntohs(msgsz); + /* pr_debug("length of message = %d\n", msgsz); */ + + if (msgsz > MAX_CMD_SQSIZE) { + pr_debug("bad message length = %d\n", msgsz); + result = -EINVAL; + break; + } + + result = -ENOMEM; + dpram_data = kmalloc(msgsz + 2, GFP_KERNEL); + if (!dpram_data) + break; + + if (copy_from_user(dpram_data, argp, msgsz+2)) { + pr_debug("copy fault occurred\n"); + result = -EFAULT; + } else { + /* Check if this message came from a registered application */ + for (i = 0; i < MAX_NUM_APP; i++) { + if (ft1000dev->app_info[i].fileobject == &file->f_owner) + break; + } + if (i == MAX_NUM_APP) { + pr_debug("No matching application fileobject\n"); + result = -EINVAL; + kfree(dpram_data); + break; + } + app_index = i; + + /* Check message qtype type which is the lower byte within qos_class */ + qtype = ntohs(dpram_data->pseudohdr.qos_class) & 0xff; + /* pr_debug("qtype = %d\n", qtype); */ + if (qtype) { + } else { + /* Put message into Slow Queue */ + /* Only put a message into the DPRAM if msg doorbell is available */ + status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); + /* pr_debug("READ REGISTER tempword=%x\n", tempword); */ + if (tempword & FT1000_DB_DPRAM_TX) { + /* Suspend for 2ms and try again due to DSP doorbell busy */ + mdelay(2); + status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) { + /* Suspend for 1ms and try again due to DSP doorbell busy */ + mdelay(1); + status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) { + status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) { + /* Suspend for 3ms and try again due to DSP doorbell busy */ + mdelay(3); + status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) { + pr_debug("Doorbell not available\n"); + result = -ENOTTY; + kfree(dpram_data); + break; + } + } + } + } + } + + /*pr_debug("finished reading register\n"); */ + + /* Make sure we are within the limits of the slow queue memory limitation */ + if ((msgsz < MAX_CMD_SQSIZE) && (msgsz > PSEUDOSZ)) { + /* Need to put sequence number plus new checksum for message */ + pmsg = (u16 *)&dpram_data->pseudohdr; + ppseudo_hdr = (struct pseudo_hdr *)pmsg; + total_len = msgsz+2; + if (total_len & 0x1) + total_len++; + + /* Insert slow queue sequence number */ + ppseudo_hdr->seq_num = info->squeseqnum++; + ppseudo_hdr->portsrc = ft1000dev->app_info[app_index].app_id; + /* Calculate new checksum */ + ppseudo_hdr->checksum = *pmsg++; + /* pr_debug("checksum = 0x%x\n", ppseudo_hdr->checksum); */ + for (i = 1; i < 7; i++) { + ppseudo_hdr->checksum ^= *pmsg++; + /* pr_debug("checksum = 0x%x\n", ppseudo_hdr->checksum); */ + } + pmsg++; + ppseudo_hdr = (struct pseudo_hdr *)pmsg; + result = card_send_command(ft1000dev, dpram_data, total_len+2); + + + ft1000dev->app_info[app_index].nTxMsg++; + } else { + result = -EINVAL; + } + } + } + } else { + pr_debug("Card not ready take messages\n"); + result = -EACCES; + } + kfree(dpram_data); + + } + break; + case IOCTL_GET_DPRAM_CMD: + { + struct dpram_blk *pdpram_blk; + struct IOCTL_DPRAM_BLK __user *pioctl_dpram; + int msglen; + + /* pr_debug("IOCTL_FT1000_GET_DPRAM called\n"); */ + + if (ft1000_flarion_cnt == 0) + return -EBADF; + + /* Search for matching file object */ + for (i = 0; i < MAX_NUM_APP; i++) { + if (ft1000dev->app_info[i].fileobject == &file->f_owner) { + /*pr_debug("Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */ + break; + } + } + + /* Could not find application info block */ + if (i == MAX_NUM_APP) { + pr_debug("Could not find application info block\n"); + result = -EBADF; + break; + } + + result = 0; + pioctl_dpram = argp; + if (list_empty(&ft1000dev->app_info[i].app_sqlist) == 0) { + /* pr_debug("Message detected in slow queue\n"); */ + spin_lock_irqsave(&free_buff_lock, flags); + pdpram_blk = list_entry(ft1000dev->app_info[i].app_sqlist.next, struct dpram_blk, list); + list_del(&pdpram_blk->list); + ft1000dev->app_info[i].NumOfMsg--; + /* pr_debug("NumOfMsg for app %d = %d\n", i, ft1000dev->app_info[i].NumOfMsg); */ + spin_unlock_irqrestore(&free_buff_lock, flags); + msglen = ntohs(*(u16 *)pdpram_blk->pbuffer) + PSEUDOSZ; + result = get_user(msglen, &pioctl_dpram->total_len); + if (result) + break; + msglen = htons(msglen); + /* pr_debug("msg length = %x\n", msglen); */ + if (copy_to_user(&pioctl_dpram->pseudohdr, pdpram_blk->pbuffer, msglen)) { + pr_debug("copy fault occurred\n"); + result = -EFAULT; + break; + } + + ft1000_free_buffer(pdpram_blk, &freercvpool); + result = msglen; + } + /* pr_debug("IOCTL_FT1000_GET_DPRAM no message\n"); */ + } + break; + + default: + pr_debug("unknown command: 0x%x\n", command); + result = -ENOTTY; + break; + } + ft1000dev->fAppMsgPend = false; + return result; +} + +/* + *--------------------------------------------------------------------------- + * Function: ft1000_release + * + * Parameters: + * + * Description: + * + * Notes: + * + *--------------------------------------------------------------------------- + */ +static int ft1000_release(struct inode *inode, struct file *file) +{ + struct ft1000_info *info; + struct net_device *dev; + struct ft1000_usb *ft1000dev; + int i; + struct dpram_blk *pdpram_blk; + struct dpram_blk *tmp; + + dev = file->private_data; + info = netdev_priv(dev); + ft1000dev = info->priv; + + if (ft1000_flarion_cnt == 0) { + ft1000dev->appcnt--; + return -EBADF; + } + + /* Search for matching file object */ + for (i = 0; i < MAX_NUM_APP; i++) { + if (ft1000dev->app_info[i].fileobject == &file->f_owner) { + /* pr_debug("Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */ + break; + } + } + + if (i == MAX_NUM_APP) + return 0; + + list_for_each_entry_safe(pdpram_blk, tmp, &ft1000dev->app_info[i].app_sqlist, list) { + pr_debug("Remove and free memory queue up on slow queue\n"); + list_del(&pdpram_blk->list); + ft1000_free_buffer(pdpram_blk, &freercvpool); + } + + /* initialize application information */ + ft1000dev->appcnt--; + pr_debug("appcnt = %d\n", ft1000dev->appcnt); + ft1000dev->app_info[i].fileobject = NULL; + + return 0; +} diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_download.c b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_download.c new file mode 100644 index 000000000..5def347be --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_download.c @@ -0,0 +1,1052 @@ +/* + * CopyRight (C) 2007 Qualcomm Inc. All Rights Reserved. + * + * This file is part of Express Card USB Driver + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/usb.h> +#include <linux/vmalloc.h> +#include "ft1000_usb.h" + + +#define DWNLD_HANDSHAKE_LOC 0x02 +#define DWNLD_TYPE_LOC 0x04 +#define DWNLD_SIZE_MSW_LOC 0x06 +#define DWNLD_SIZE_LSW_LOC 0x08 +#define DWNLD_PS_HDR_LOC 0x0A + +#define MAX_DSP_WAIT_LOOPS 40 +#define DSP_WAIT_SLEEP_TIME 1000 /* 1 millisecond */ +#define DSP_WAIT_DISPATCH_LVL 50 /* 50 usec */ + +#define HANDSHAKE_TIMEOUT_VALUE 0xF1F1 +#define HANDSHAKE_RESET_VALUE 0xFEFE /* When DSP requests startover */ +#define HANDSHAKE_RESET_VALUE_USB 0xFE7E /* When DSP requests startover */ +#define HANDSHAKE_DSP_BL_READY 0xFEFE /* At start DSP writes this when bootloader ready */ +#define HANDSHAKE_DSP_BL_READY_USB 0xFE7E /* At start DSP writes this when bootloader ready */ +#define HANDSHAKE_DRIVER_READY 0xFFFF /* Driver writes after receiving 0xFEFE */ +#define HANDSHAKE_SEND_DATA 0x0000 /* DSP writes this when ready for more data */ + +#define HANDSHAKE_REQUEST 0x0001 /* Request from DSP */ +#define HANDSHAKE_RESPONSE 0x0000 /* Satisfied DSP request */ + +#define REQUEST_CODE_LENGTH 0x0000 +#define REQUEST_RUN_ADDRESS 0x0001 +#define REQUEST_CODE_SEGMENT 0x0002 /* In WORD count */ +#define REQUEST_DONE_BL 0x0003 +#define REQUEST_DONE_CL 0x0004 +#define REQUEST_VERSION_INFO 0x0005 +#define REQUEST_CODE_BY_VERSION 0x0006 +#define REQUEST_MAILBOX_DATA 0x0007 +#define REQUEST_FILE_CHECKSUM 0x0008 + +#define STATE_START_DWNLD 0x01 +#define STATE_BOOT_DWNLD 0x02 +#define STATE_CODE_DWNLD 0x03 +#define STATE_DONE_DWNLD 0x04 +#define STATE_SECTION_PROV 0x05 +#define STATE_DONE_PROV 0x06 +#define STATE_DONE_FILE 0x07 + +#define MAX_LENGTH 0x7f0 + +/* Temporary download mechanism for Magnemite */ +#define DWNLD_MAG_TYPE_LOC 0x00 +#define DWNLD_MAG_LEN_LOC 0x01 +#define DWNLD_MAG_ADDR_LOC 0x02 +#define DWNLD_MAG_CHKSUM_LOC 0x03 +#define DWNLD_MAG_VAL_LOC 0x04 + +#define HANDSHAKE_MAG_DSP_BL_READY 0xFEFE0000 /* At start DSP writes this when bootloader ready */ +#define HANDSHAKE_MAG_DSP_ENTRY 0x01000000 /* Dsp writes this to request for entry address */ +#define HANDSHAKE_MAG_DSP_DATA 0x02000000 /* Dsp writes this to request for data block */ +#define HANDSHAKE_MAG_DSP_DONE 0x03000000 /* Dsp writes this to indicate download done */ + +#define HANDSHAKE_MAG_DRV_READY 0xFFFF0000 /* Driver writes this to indicate ready to download */ +#define HANDSHAKE_MAG_DRV_DATA 0x02FECDAB /* Driver writes this to indicate data available to DSP */ +#define HANDSHAKE_MAG_DRV_ENTRY 0x01FECDAB /* Driver writes this to indicate entry point to DSP */ + +#define HANDSHAKE_MAG_TIMEOUT_VALUE 0xF1F1 + + +/* New Magnemite downloader */ +#define DWNLD_MAG1_HANDSHAKE_LOC 0x00 +#define DWNLD_MAG1_TYPE_LOC 0x01 +#define DWNLD_MAG1_SIZE_LOC 0x02 +#define DWNLD_MAG1_PS_HDR_LOC 0x03 + +struct dsp_file_hdr { + long version_id; /* Version ID of this image format. */ + long package_id; /* Package ID of code release. */ + long build_date; /* Date/time stamp when file was built. */ + long commands_offset; /* Offset to attached commands in Pseudo Hdr format. */ + long loader_offset; /* Offset to bootloader code. */ + long loader_code_address; /* Start address of bootloader. */ + long loader_code_end; /* Where bootloader code ends. */ + long loader_code_size; + long version_data_offset; /* Offset were scrambled version data begins. */ + long version_data_size; /* Size, in words, of scrambled version data. */ + long nDspImages; /* Number of DSP images in file. */ +}; + +#pragma pack(1) +struct dsp_image_info { + long coff_date; /* Date/time when DSP Coff image was built. */ + long begin_offset; /* Offset in file where image begins. */ + long end_offset; /* Offset in file where image begins. */ + long run_address; /* On chip Start address of DSP code. */ + long image_size; /* Size of image. */ + long version; /* Embedded version # of DSP code. */ + unsigned short checksum; /* DSP File checksum */ + unsigned short pad1; +}; + + +/* checks if the doorbell register is cleared */ +static int check_usb_db(struct ft1000_usb *ft1000dev) +{ + int loopcnt; + u16 temp; + int status; + + loopcnt = 0; + + while (loopcnt < 10) { + status = ft1000_read_register(ft1000dev, &temp, + FT1000_REG_DOORBELL); + pr_debug("read FT1000_REG_DOORBELL value is %x\n", temp); + if (temp & 0x0080) { + pr_debug("Got checkusb doorbell\n"); + status = ft1000_write_register(ft1000dev, 0x0080, + FT1000_REG_DOORBELL); + status = ft1000_write_register(ft1000dev, 0x0100, + FT1000_REG_DOORBELL); + status = ft1000_write_register(ft1000dev, 0x8000, + FT1000_REG_DOORBELL); + break; + } + loopcnt++; + msleep(10); + + } + + loopcnt = 0; + while (loopcnt < 20) { + status = ft1000_read_register(ft1000dev, &temp, + FT1000_REG_DOORBELL); + pr_debug("Doorbell = 0x%x\n", temp); + if (temp & 0x8000) { + loopcnt++; + msleep(10); + } else { + pr_debug("door bell is cleared, return 0\n"); + return 0; + } + } + + return -1; +} + +/* gets the handshake and compares it with the expected value */ +static u16 get_handshake(struct ft1000_usb *ft1000dev, u16 expected_value) +{ + u16 handshake; + int loopcnt; + int status = 0; + + loopcnt = 0; + + while (loopcnt < 100) { + /* Need to clear downloader doorbell if Hartley ASIC */ + status = ft1000_write_register(ft1000dev, FT1000_DB_DNLD_RX, + FT1000_REG_DOORBELL); + if (ft1000dev->fcodeldr) { + pr_debug("fcodeldr is %d\n", ft1000dev->fcodeldr); + ft1000dev->fcodeldr = 0; + status = check_usb_db(ft1000dev); + if (status != 0) { + pr_debug("check_usb_db failed\n"); + break; + } + status = ft1000_write_register(ft1000dev, + FT1000_DB_DNLD_RX, + FT1000_REG_DOORBELL); + } + + status = ft1000_read_dpram16(ft1000dev, + DWNLD_MAG1_HANDSHAKE_LOC, (u8 *)&handshake, 1); + handshake = ntohs(handshake); + + if (status) + return HANDSHAKE_TIMEOUT_VALUE; + + if ((handshake == expected_value) || + (handshake == HANDSHAKE_RESET_VALUE_USB)) { + return handshake; + } + loopcnt++; + msleep(10); + } + + return HANDSHAKE_TIMEOUT_VALUE; +} + +/* write the handshake value to the handshake location */ +static void put_handshake(struct ft1000_usb *ft1000dev, u16 handshake_value) +{ + u32 tempx; + u16 tempword; + int status; + + tempx = (u32)handshake_value; + tempx = ntohl(tempx); + + tempword = (u16)(tempx & 0xffff); + status = ft1000_write_dpram16(ft1000dev, DWNLD_MAG1_HANDSHAKE_LOC, + tempword, 0); + tempword = (u16)(tempx >> 16); + status = ft1000_write_dpram16(ft1000dev, DWNLD_MAG1_HANDSHAKE_LOC, + tempword, 1); + status = ft1000_write_register(ft1000dev, FT1000_DB_DNLD_TX, + FT1000_REG_DOORBELL); +} + +static u16 get_handshake_usb(struct ft1000_usb *ft1000dev, u16 expected_value) +{ + u16 handshake; + int loopcnt; + u16 temp; + int status = 0; + + loopcnt = 0; + handshake = 0; + + while (loopcnt < 100) { + if (ft1000dev->usbboot == 2) { + status = ft1000_read_dpram32(ft1000dev, 0, + (u8 *)&ft1000dev->tempbuf[0], 64); + for (temp = 0; temp < 16; temp++) { + pr_debug("tempbuf %d = 0x%x\n", + temp, ft1000dev->tempbuf[temp]); + } + status = ft1000_read_dpram16(ft1000dev, + DWNLD_MAG1_HANDSHAKE_LOC, + (u8 *)&handshake, 1); + pr_debug("handshake from read_dpram16 = 0x%x\n", + handshake); + if (ft1000dev->dspalive == ft1000dev->tempbuf[6]) { + handshake = 0; + } else { + handshake = ft1000dev->tempbuf[1]; + ft1000dev->dspalive = + ft1000dev->tempbuf[6]; + } + } else { + status = ft1000_read_dpram16(ft1000dev, + DWNLD_MAG1_HANDSHAKE_LOC, + (u8 *)&handshake, 1); + } + + loopcnt++; + msleep(10); + handshake = ntohs(handshake); + if ((handshake == expected_value) || + (handshake == HANDSHAKE_RESET_VALUE_USB)) + return handshake; + } + + return HANDSHAKE_TIMEOUT_VALUE; +} + +static void put_handshake_usb(struct ft1000_usb *ft1000dev, u16 handshake_value) +{ + int i; + + for (i = 0; i < 1000; i++) + ; +} + +static u16 get_request_type(struct ft1000_usb *ft1000dev) +{ + u16 request_type; + int status; + u16 tempword; + u32 tempx; + + if (ft1000dev->bootmode == 1) { + status = fix_ft1000_read_dpram32(ft1000dev, + DWNLD_MAG1_TYPE_LOC, (u8 *)&tempx); + tempx = ntohl(tempx); + } else { + tempx = 0; + status = ft1000_read_dpram16(ft1000dev, + DWNLD_MAG1_TYPE_LOC, (u8 *)&tempword, 1); + tempx |= (tempword << 16); + tempx = ntohl(tempx); + } + request_type = (u16)tempx; + + return request_type; +} + +static u16 get_request_type_usb(struct ft1000_usb *ft1000dev) +{ + u16 request_type; + int status; + u16 tempword; + u32 tempx; + + if (ft1000dev->bootmode == 1) { + status = fix_ft1000_read_dpram32(ft1000dev, + DWNLD_MAG1_TYPE_LOC, (u8 *)&tempx); + tempx = ntohl(tempx); + } else { + if (ft1000dev->usbboot == 2) { + tempx = ft1000dev->tempbuf[2]; + tempword = ft1000dev->tempbuf[3]; + } else { + tempx = 0; + status = ft1000_read_dpram16(ft1000dev, + DWNLD_MAG1_TYPE_LOC, + (u8 *)&tempword, 1); + } + tempx |= (tempword << 16); + tempx = ntohl(tempx); + } + request_type = (u16)tempx; + + return request_type; +} + +static long get_request_value(struct ft1000_usb *ft1000dev) +{ + u32 value; + u16 tempword; + int status; + + if (ft1000dev->bootmode == 1) { + status = fix_ft1000_read_dpram32(ft1000dev, + DWNLD_MAG1_SIZE_LOC, (u8 *)&value); + value = ntohl(value); + } else { + status = ft1000_read_dpram16(ft1000dev, + DWNLD_MAG1_SIZE_LOC, (u8 *)&tempword, 0); + value = tempword; + status = ft1000_read_dpram16(ft1000dev, + DWNLD_MAG1_SIZE_LOC, (u8 *)&tempword, 1); + value |= (tempword << 16); + value = ntohl(value); + } + + return value; +} + + +/* writes a value to DWNLD_MAG1_SIZE_LOC */ +static void put_request_value(struct ft1000_usb *ft1000dev, long lvalue) +{ + u32 tempx; + int status; + + tempx = ntohl(lvalue); + status = fix_ft1000_write_dpram32(ft1000dev, DWNLD_MAG1_SIZE_LOC, + (u8 *)&tempx); +} + + + +/* returns the checksum of the pseudo header */ +static u16 hdr_checksum(struct pseudo_hdr *pHdr) +{ + u16 *usPtr = (u16 *)pHdr; + u16 chksum; + + + chksum = (((((usPtr[0] ^ usPtr[1]) ^ usPtr[2]) ^ usPtr[3]) ^ + usPtr[4]) ^ usPtr[5]) ^ usPtr[6]; + + return chksum; +} + +static int check_buffers(u16 *buff_w, u16 *buff_r, int len, int offset) +{ + int i; + + for (i = 0; i < len; i++) { + if (buff_w[i] != buff_r[i + offset]) + return -EREMOTEIO; + } + + return 0; +} + +static int write_dpram32_and_check(struct ft1000_usb *ft1000dev, + u16 tempbuffer[], u16 dpram) +{ + int status; + u16 resultbuffer[64]; + int i; + + for (i = 0; i < 10; i++) { + status = ft1000_write_dpram32(ft1000dev, dpram, + (u8 *)&tempbuffer[0], 64); + if (status == 0) { + /* Work around for ASIC bit stuffing problem. */ + if ((tempbuffer[31] & 0xfe00) == 0xfe00) { + status = ft1000_write_dpram32(ft1000dev, + dpram+12, (u8 *)&tempbuffer[24], + 64); + } + /* Let's check the data written */ + status = ft1000_read_dpram32(ft1000dev, dpram, + (u8 *)&resultbuffer[0], 64); + if ((tempbuffer[31] & 0xfe00) == 0xfe00) { + if (check_buffers(tempbuffer, resultbuffer, 28, + 0)) { + pr_debug("DPRAM write failed 1 during bootloading\n"); + usleep_range(9000, 11000); + break; + } + status = ft1000_read_dpram32(ft1000dev, + dpram+12, + (u8 *)&resultbuffer[0], 64); + + if (check_buffers(tempbuffer, resultbuffer, 16, + 24)) { + pr_debug("DPRAM write failed 2 during bootloading\n"); + usleep_range(9000, 11000); + break; + } + } else { + if (check_buffers(tempbuffer, resultbuffer, 32, + 0)) { + pr_debug("DPRAM write failed 3 during bootloading\n"); + usleep_range(9000, 11000); + break; + } + } + if (status == 0) + break; + } + } + return status; +} + +/* writes a block of DSP image to DPRAM + * Parameters: struct ft1000_usb - device structure + * u16 **pUsFile - DSP image file pointer in u16 + * u8 **pUcFile - DSP image file pointer in u8 + * long word_length - length of the buffer to be written to DPRAM + */ +static int write_blk(struct ft1000_usb *ft1000dev, u16 **pUsFile, u8 **pUcFile, + long word_length) +{ + int status = 0; + u16 dpram; + int loopcnt, i; + u16 tempword; + u16 tempbuffer[64]; + + /*pr_debug("start word_length = %d\n",(int)word_length); */ + dpram = (u16)DWNLD_MAG1_PS_HDR_LOC; + tempword = *(*pUsFile); + (*pUsFile)++; + status = ft1000_write_dpram16(ft1000dev, dpram, tempword, 0); + tempword = *(*pUsFile); + (*pUsFile)++; + status = ft1000_write_dpram16(ft1000dev, dpram++, tempword, 1); + + *pUcFile = *pUcFile + 4; + word_length--; + tempword = (u16)word_length; + word_length = (word_length / 16) + 1; + for (; word_length > 0; word_length--) { /* In words */ + loopcnt = 0; + for (i = 0; i < 32; i++) { + if (tempword != 0) { + tempbuffer[i++] = *(*pUsFile); + (*pUsFile)++; + tempbuffer[i] = *(*pUsFile); + (*pUsFile)++; + *pUcFile = *pUcFile + 4; + loopcnt++; + tempword--; + } else { + tempbuffer[i++] = 0; + tempbuffer[i] = 0; + } + } + + /*pr_debug("loopcnt is %d\n", loopcnt); */ + /*pr_debug("write_blk: bootmode = %d\n", bootmode); */ + /*pr_debug("write_blk: dpram = %x\n", dpram); */ + if (ft1000dev->bootmode == 0) { + if (dpram >= 0x3F4) + status = ft1000_write_dpram32(ft1000dev, dpram, + (u8 *)&tempbuffer[0], 8); + else + status = ft1000_write_dpram32(ft1000dev, dpram, + (u8 *)&tempbuffer[0], 64); + } else { + status = write_dpram32_and_check(ft1000dev, tempbuffer, + dpram); + if (status != 0) { + pr_debug("Write failed tempbuffer[31] = 0x%x\n", + tempbuffer[31]); + break; + } + } + dpram = dpram + loopcnt; + } + return status; +} + +static void usb_dnld_complete(struct urb *urb) +{ + /* pr_debug("****** usb_dnld_complete\n"); */ +} + +/* writes a block of DSP image to DPRAM + * Parameters: struct ft1000_usb - device structure + * u16 **pUsFile - DSP image file pointer in u16 + * u8 **pUcFile - DSP image file pointer in u8 + * long word_length - length of the buffer to be written to DPRAM + */ +static int write_blk_fifo(struct ft1000_usb *ft1000dev, u16 **pUsFile, + u8 **pUcFile, long word_length) +{ + int byte_length; + + byte_length = word_length * 4; + + if (byte_length && ((byte_length % 64) == 0)) + byte_length += 4; + + if (byte_length < 64) + byte_length = 68; + + usb_init_urb(ft1000dev->tx_urb); + memcpy(ft1000dev->tx_buf, *pUcFile, byte_length); + usb_fill_bulk_urb(ft1000dev->tx_urb, + ft1000dev->dev, + usb_sndbulkpipe(ft1000dev->dev, + ft1000dev->bulk_out_endpointAddr), + ft1000dev->tx_buf, byte_length, usb_dnld_complete, + ft1000dev); + + usb_submit_urb(ft1000dev->tx_urb, GFP_ATOMIC); + + *pUsFile = *pUsFile + (word_length << 1); + *pUcFile = *pUcFile + (word_length << 2); + + return 0; +} + +static int scram_start_dwnld(struct ft1000_usb *ft1000dev, u16 *hshake, + u32 *state) +{ + int status = 0; + + if (ft1000dev->usbboot) + *hshake = get_handshake_usb(ft1000dev, HANDSHAKE_DSP_BL_READY); + else + *hshake = get_handshake(ft1000dev, HANDSHAKE_DSP_BL_READY); + if (*hshake == HANDSHAKE_DSP_BL_READY) { + pr_debug("handshake is HANDSHAKE_DSP_BL_READY, call put_handshake(HANDSHAKE_DRIVER_READY)\n"); + put_handshake(ft1000dev, HANDSHAKE_DRIVER_READY); + } else if (*hshake == HANDSHAKE_TIMEOUT_VALUE) { + status = -ETIMEDOUT; + } else { + pr_debug("Download error: Handshake failed\n"); + status = -ENETRESET; + } + *state = STATE_BOOT_DWNLD; + return status; +} + +static int request_code_segment(struct ft1000_usb *ft1000dev, u16 **s_file, + u8 **c_file, const u8 *endpoint, bool boot_case) +{ + long word_length; + int status = 0; + + word_length = get_request_value(ft1000dev); + /*pr_debug("word_length = 0x%x\n", (int)word_length); */ + /*NdisMSleep (100); */ + if (word_length > MAX_LENGTH) { + pr_debug("Download error: Max length exceeded\n"); + return -1; + } + if ((word_length * 2 + (long)c_file) > (long)endpoint) { + /* Error, beyond boot code range.*/ + pr_debug("Download error: Requested len=%d exceeds BOOT code boundary\n", + (int)word_length); + return -1; + } + if (word_length & 0x1) + word_length++; + word_length = word_length / 2; + + if (boot_case) { + status = write_blk(ft1000dev, s_file, c_file, word_length); + /*pr_debug("write_blk returned %d\n", status); */ + } else { + status = write_blk_fifo(ft1000dev, s_file, c_file, word_length); + if (ft1000dev->usbboot == 0) + ft1000dev->usbboot++; + if (ft1000dev->usbboot == 1) + status |= ft1000_write_dpram16(ft1000dev, + DWNLD_MAG1_PS_HDR_LOC, 0, 0); + } + return status; +} + +/* Scramble downloader for Harley based ASIC via USB interface */ +int scram_dnldr(struct ft1000_usb *ft1000dev, void *pFileStart, + u32 FileLength) +{ + int status = 0; + u32 state; + u16 handshake; + struct pseudo_hdr *pseudo_header; + u16 pseudo_header_len; + long word_length; + u16 request; + u16 temp; + + struct dsp_file_hdr *file_hdr; + struct dsp_image_info *dsp_img_info = NULL; + long requested_version; + bool correct_version; + struct drv_msg *mailbox_data; + u16 *data = NULL; + u16 *s_file = NULL; + u8 *c_file = NULL; + u8 *boot_end = NULL, *code_end = NULL; + int image; + long loader_code_address, loader_code_size = 0; + long run_address = 0, run_size = 0; + + u32 templong; + u32 image_chksum = 0; + + u16 dpram = 0; + u8 *pbuffer; + struct prov_record *pprov_record; + struct ft1000_info *pft1000info = netdev_priv(ft1000dev->net); + + ft1000dev->fcodeldr = 0; + ft1000dev->usbboot = 0; + ft1000dev->dspalive = 0xffff; + + /* + * Get version id of file, at first 4 bytes of file, for newer files. + */ + + state = STATE_START_DWNLD; + + file_hdr = pFileStart; + + ft1000_write_register(ft1000dev, 0x800, FT1000_REG_MAG_WATERMARK); + + s_file = (u16 *) (pFileStart + file_hdr->loader_offset); + c_file = (u8 *) (pFileStart + file_hdr->loader_offset); + + boot_end = (u8 *) (pFileStart + file_hdr->loader_code_end); + + loader_code_address = file_hdr->loader_code_address; + loader_code_size = file_hdr->loader_code_size; + correct_version = false; + + while ((status == 0) && (state != STATE_DONE_FILE)) { + switch (state) { + case STATE_START_DWNLD: + status = scram_start_dwnld(ft1000dev, &handshake, + &state); + break; + + case STATE_BOOT_DWNLD: + pr_debug("STATE_BOOT_DWNLD\n"); + ft1000dev->bootmode = 1; + handshake = get_handshake(ft1000dev, HANDSHAKE_REQUEST); + if (handshake == HANDSHAKE_REQUEST) { + /* + * Get type associated with the request. + */ + request = get_request_type(ft1000dev); + switch (request) { + case REQUEST_RUN_ADDRESS: + pr_debug("REQUEST_RUN_ADDRESS\n"); + put_request_value(ft1000dev, + loader_code_address); + break; + case REQUEST_CODE_LENGTH: + pr_debug("REQUEST_CODE_LENGTH\n"); + put_request_value(ft1000dev, + loader_code_size); + break; + case REQUEST_DONE_BL: + pr_debug("REQUEST_DONE_BL\n"); + /* Reposition ptrs to beginning of code section */ + s_file = (u16 *) (boot_end); + c_file = (u8 *) (boot_end); + /* pr_debug("download:s_file = 0x%8x\n", (int)s_file); */ + /* pr_debug("FT1000:download:c_file = 0x%8x\n", (int)c_file); */ + state = STATE_CODE_DWNLD; + ft1000dev->fcodeldr = 1; + break; + case REQUEST_CODE_SEGMENT: + status = request_code_segment(ft1000dev, + &s_file, &c_file, + boot_end, + true); + break; + default: + pr_debug("Download error: Bad request type=%d in BOOT download state\n", + request); + status = -1; + break; + } + if (ft1000dev->usbboot) + put_handshake_usb(ft1000dev, + HANDSHAKE_RESPONSE); + else + put_handshake(ft1000dev, + HANDSHAKE_RESPONSE); + } else { + pr_debug("Download error: Handshake failed\n"); + status = -1; + } + + break; + + case STATE_CODE_DWNLD: + /* pr_debug("STATE_CODE_DWNLD\n"); */ + ft1000dev->bootmode = 0; + if (ft1000dev->usbboot) + handshake = + get_handshake_usb(ft1000dev, + HANDSHAKE_REQUEST); + else + handshake = + get_handshake(ft1000dev, HANDSHAKE_REQUEST); + if (handshake == HANDSHAKE_REQUEST) { + /* + * Get type associated with the request. + */ + if (ft1000dev->usbboot) + request = + get_request_type_usb(ft1000dev); + else + request = get_request_type(ft1000dev); + switch (request) { + case REQUEST_FILE_CHECKSUM: + pr_debug("image_chksum = 0x%8x\n", + image_chksum); + put_request_value(ft1000dev, + image_chksum); + break; + case REQUEST_RUN_ADDRESS: + pr_debug("REQUEST_RUN_ADDRESS\n"); + if (correct_version) { + pr_debug("run_address = 0x%8x\n", + (int)run_address); + put_request_value(ft1000dev, + run_address); + } else { + pr_debug("Download error: Got Run address request before image offset request\n"); + status = -1; + break; + } + break; + case REQUEST_CODE_LENGTH: + pr_debug("REQUEST_CODE_LENGTH\n"); + if (correct_version) { + pr_debug("run_size = 0x%8x\n", + (int)run_size); + put_request_value(ft1000dev, + run_size); + } else { + pr_debug("Download error: Got Size request before image offset request\n"); + status = -1; + break; + } + break; + case REQUEST_DONE_CL: + ft1000dev->usbboot = 3; + /* Reposition ptrs to beginning of provisioning section */ + s_file = + (u16 *) (pFileStart + + file_hdr->commands_offset); + c_file = + (u8 *) (pFileStart + + file_hdr->commands_offset); + state = STATE_DONE_DWNLD; + break; + case REQUEST_CODE_SEGMENT: + /* pr_debug("REQUEST_CODE_SEGMENT - CODELOADER\n"); */ + if (!correct_version) { + pr_debug("Download error: Got Code Segment request before image offset request\n"); + status = -1; + break; + } + + status = request_code_segment(ft1000dev, + &s_file, &c_file, + code_end, + false); + + break; + + case REQUEST_MAILBOX_DATA: + pr_debug("REQUEST_MAILBOX_DATA\n"); + /* Convert length from byte count to word count. Make sure we round up. */ + word_length = + (long)(pft1000info->DSPInfoBlklen + + 1) / 2; + put_request_value(ft1000dev, + word_length); + mailbox_data = + (struct drv_msg *)&(pft1000info-> + DSPInfoBlk[0]); + /* + * Position ASIC DPRAM auto-increment pointer. + */ + + data = (u16 *)&mailbox_data->data[0]; + dpram = (u16)DWNLD_MAG1_PS_HDR_LOC; + if (word_length & 0x1) + word_length++; + + word_length = word_length / 2; + + for (; word_length > 0; word_length--) { /* In words */ + + templong = *data++; + templong |= (*data++ << 16); + status = + fix_ft1000_write_dpram32 + (ft1000dev, dpram++, + (u8 *)&templong); + + } + break; + + case REQUEST_VERSION_INFO: + pr_debug("REQUEST_VERSION_INFO\n"); + word_length = + file_hdr->version_data_size; + put_request_value(ft1000dev, + word_length); + /* + * Position ASIC DPRAM auto-increment pointer. + */ + + s_file = + (u16 *) (pFileStart + + file_hdr-> + version_data_offset); + + dpram = (u16)DWNLD_MAG1_PS_HDR_LOC; + if (word_length & 0x1) + word_length++; + + word_length = word_length / 2; + + for (; word_length > 0; word_length--) { /* In words */ + + templong = ntohs(*s_file++); + temp = ntohs(*s_file++); + templong |= (temp << 16); + status = + fix_ft1000_write_dpram32 + (ft1000dev, dpram++, + (u8 *)&templong); + + } + break; + + case REQUEST_CODE_BY_VERSION: + pr_debug("REQUEST_CODE_BY_VERSION\n"); + correct_version = false; + requested_version = + get_request_value(ft1000dev); + + dsp_img_info = + (struct dsp_image_info *)(pFileStart + + + sizeof + (struct + dsp_file_hdr)); + + for (image = 0; + image < file_hdr->nDspImages; + image++) { + + if (dsp_img_info->version == + requested_version) { + correct_version = true; + pr_debug("correct_version is TRUE\n"); + s_file = + (u16 *) (pFileStart + + + dsp_img_info-> + begin_offset); + c_file = + (u8 *) (pFileStart + + dsp_img_info-> + begin_offset); + code_end = + (u8 *) (pFileStart + + dsp_img_info-> + end_offset); + run_address = + dsp_img_info-> + run_address; + run_size = + dsp_img_info-> + image_size; + image_chksum = + (u32)dsp_img_info-> + checksum; + break; + } + dsp_img_info++; + + } /* end of for */ + + if (!correct_version) { + /* + * Error, beyond boot code range. + */ + pr_debug("Download error: Bad Version Request = 0x%x.\n", + (int)requested_version); + status = -1; + break; + } + break; + + default: + pr_debug("Download error: Bad request type=%d in CODE download state.\n", + request); + status = -1; + break; + } + if (ft1000dev->usbboot) + put_handshake_usb(ft1000dev, + HANDSHAKE_RESPONSE); + else + put_handshake(ft1000dev, + HANDSHAKE_RESPONSE); + } else { + pr_debug("Download error: Handshake failed\n"); + status = -1; + } + + break; + + case STATE_DONE_DWNLD: + pr_debug("Code loader is done...\n"); + state = STATE_SECTION_PROV; + break; + + case STATE_SECTION_PROV: + pr_debug("STATE_SECTION_PROV\n"); + pseudo_header = (struct pseudo_hdr *)c_file; + + if (pseudo_header->checksum == + hdr_checksum(pseudo_header)) { + if (pseudo_header->portdest != + 0x80 /* Dsp OAM */) { + state = STATE_DONE_PROV; + break; + } + pseudo_header_len = ntohs(pseudo_header->length); /* Byte length for PROV records */ + + /* Get buffer for provisioning data */ + pbuffer = + kmalloc(pseudo_header_len + + sizeof(struct pseudo_hdr), + GFP_ATOMIC); + if (pbuffer) { + memcpy(pbuffer, c_file, + (u32) (pseudo_header_len + + sizeof(struct + pseudo_hdr))); + /* link provisioning data */ + pprov_record = + kmalloc(sizeof(struct prov_record), + GFP_ATOMIC); + if (pprov_record) { + pprov_record->pprov_data = + pbuffer; + list_add_tail(&pprov_record-> + list, + &pft1000info-> + prov_list); + /* Move to next entry if available */ + c_file = + (u8 *) ((unsigned long) + c_file + + (u32) ((pseudo_header_len + 1) & 0xFFFFFFFE) + sizeof(struct pseudo_hdr)); + if ((unsigned long)(c_file) - + (unsigned long)(pFileStart) + >= + (unsigned long)FileLength) { + state = STATE_DONE_FILE; + } + } else { + kfree(pbuffer); + status = -1; + } + } else { + status = -1; + } + } else { + /* Checksum did not compute */ + status = -1; + } + pr_debug("after STATE_SECTION_PROV, state = %d, status= %d\n", + state, status); + break; + + case STATE_DONE_PROV: + pr_debug("STATE_DONE_PROV\n"); + state = STATE_DONE_FILE; + break; + + default: + status = -1; + break; + } /* End Switch */ + + if (status != 0) + break; + +/**** + // Check if Card is present + status = Harley_Read_Register(&temp, FT1000_REG_SUP_IMASK); + if ( (status != NDIS_STATUS_SUCCESS) || (temp == 0x0000) ) { + break; + } + + status = Harley_Read_Register(&temp, FT1000_REG_ASIC_ID); + if ( (status != NDIS_STATUS_SUCCESS) || (temp == 0xffff) ) { + break; + } +****/ + + } /* End while */ + + pr_debug("Download exiting with status = 0x%8x\n", status); + ft1000_write_register(ft1000dev, FT1000_DB_DNLD_TX, + FT1000_REG_DOORBELL); + + return status; +} diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c new file mode 100644 index 000000000..e6fb066e0 --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c @@ -0,0 +1,1587 @@ +/* CopyRight (C) 2007 Qualcomm Inc. All Rights Reserved. + * + * + * This file is part of Express Card USB Driver + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/usb.h> +#include "ft1000_usb.h" +#include <linux/types.h> + +#define HARLEY_READ_REGISTER 0x0 +#define HARLEY_WRITE_REGISTER 0x01 +#define HARLEY_READ_DPRAM_32 0x02 +#define HARLEY_READ_DPRAM_LOW 0x03 +#define HARLEY_READ_DPRAM_HIGH 0x04 +#define HARLEY_WRITE_DPRAM_32 0x05 +#define HARLEY_WRITE_DPRAM_LOW 0x06 +#define HARLEY_WRITE_DPRAM_HIGH 0x07 + +#define HARLEY_READ_OPERATION 0xc1 +#define HARLEY_WRITE_OPERATION 0x41 + +#if 0 +#define JDEBUG +#endif + +static int ft1000_submit_rx_urb(struct ft1000_info *info); + +static u8 tempbuffer[1600]; + +#define MAX_RCV_LOOP 100 + +/* send a control message via USB interface synchronously + * Parameters: ft1000_usb - device structure + * pipe - usb control message pipe + * request - control request + * requesttype - control message request type + * value - value to be written or 0 + * index - register index + * data - data buffer to hold the read/write values + * size - data size + * timeout - control message time out value + */ +static int ft1000_control(struct ft1000_usb *ft1000dev, unsigned int pipe, + u8 request, u8 requesttype, u16 value, u16 index, + void *data, u16 size, int timeout) +{ + int ret; + + if ((ft1000dev == NULL) || (ft1000dev->dev == NULL)) { + pr_debug("ft1000dev or ft1000dev->dev == NULL, failure\n"); + return -ENODEV; + } + + ret = usb_control_msg(ft1000dev->dev, pipe, request, requesttype, + value, index, data, size, timeout); + + if (ret > 0) + ret = 0; + + return ret; +} + +/* returns the value in a register */ +int ft1000_read_register(struct ft1000_usb *ft1000dev, u16 *Data, + u16 nRegIndx) +{ + int ret = 0; + + ret = ft1000_control(ft1000dev, + usb_rcvctrlpipe(ft1000dev->dev, 0), + HARLEY_READ_REGISTER, + HARLEY_READ_OPERATION, + 0, + nRegIndx, + Data, + 2, + USB_CTRL_GET_TIMEOUT); + + return ret; +} + +/* writes the value in a register */ +int ft1000_write_register(struct ft1000_usb *ft1000dev, u16 value, + u16 nRegIndx) +{ + int ret = 0; + + ret = ft1000_control(ft1000dev, + usb_sndctrlpipe(ft1000dev->dev, 0), + HARLEY_WRITE_REGISTER, + HARLEY_WRITE_OPERATION, + value, + nRegIndx, + NULL, + 0, + USB_CTRL_SET_TIMEOUT); + + return ret; +} + +/* read a number of bytes from DPRAM */ +int ft1000_read_dpram32(struct ft1000_usb *ft1000dev, u16 indx, u8 *buffer, + u16 cnt) +{ + int ret = 0; + + ret = ft1000_control(ft1000dev, + usb_rcvctrlpipe(ft1000dev->dev, 0), + HARLEY_READ_DPRAM_32, + HARLEY_READ_OPERATION, + 0, + indx, + buffer, + cnt, + USB_CTRL_GET_TIMEOUT); + + return ret; +} + +/* writes into DPRAM a number of bytes */ +int ft1000_write_dpram32(struct ft1000_usb *ft1000dev, u16 indx, u8 *buffer, + u16 cnt) +{ + int ret = 0; + + if (cnt % 4) + cnt += cnt - (cnt % 4); + + ret = ft1000_control(ft1000dev, + usb_sndctrlpipe(ft1000dev->dev, 0), + HARLEY_WRITE_DPRAM_32, + HARLEY_WRITE_OPERATION, + 0, + indx, + buffer, + cnt, + USB_CTRL_SET_TIMEOUT); + + return ret; +} + +/* read 16 bits from DPRAM */ +int ft1000_read_dpram16(struct ft1000_usb *ft1000dev, u16 indx, u8 *buffer, + u8 highlow) +{ + int ret = 0; + u8 request; + + if (highlow == 0) + request = HARLEY_READ_DPRAM_LOW; + else + request = HARLEY_READ_DPRAM_HIGH; + + ret = ft1000_control(ft1000dev, + usb_rcvctrlpipe(ft1000dev->dev, 0), + request, + HARLEY_READ_OPERATION, + 0, + indx, + buffer, + 2, + USB_CTRL_GET_TIMEOUT); + + return ret; +} + +/* write into DPRAM a number of bytes */ +int ft1000_write_dpram16(struct ft1000_usb *ft1000dev, u16 indx, u16 value, + u8 highlow) +{ + int ret = 0; + u8 request; + + if (highlow == 0) + request = HARLEY_WRITE_DPRAM_LOW; + else + request = HARLEY_WRITE_DPRAM_HIGH; + + ret = ft1000_control(ft1000dev, + usb_sndctrlpipe(ft1000dev->dev, 0), + request, + HARLEY_WRITE_OPERATION, + value, + indx, + NULL, + 0, + USB_CTRL_SET_TIMEOUT); + + return ret; +} + +/* read DPRAM 4 words at a time */ +int fix_ft1000_read_dpram32(struct ft1000_usb *ft1000dev, u16 indx, + u8 *buffer) +{ + u8 buf[16]; + u16 pos; + int ret = 0; + + pos = (indx / 4) * 4; + ret = ft1000_read_dpram32(ft1000dev, pos, buf, 16); + + if (ret == 0) { + pos = (indx % 4) * 4; + *buffer++ = buf[pos++]; + *buffer++ = buf[pos++]; + *buffer++ = buf[pos++]; + *buffer++ = buf[pos++]; + } else { + pr_debug("DPRAM32 Read failed\n"); + *buffer++ = 0; + *buffer++ = 0; + *buffer++ = 0; + *buffer++ = 0; + } + + return ret; +} + + +/* Description: This function write to DPRAM 4 words at a time */ +int fix_ft1000_write_dpram32(struct ft1000_usb *ft1000dev, u16 indx, u8 *buffer) +{ + u16 pos1; + u16 pos2; + u16 i; + u8 buf[32]; + u8 resultbuffer[32]; + u8 *pdata; + int ret = 0; + + pos1 = (indx / 4) * 4; + pdata = buffer; + ret = ft1000_read_dpram32(ft1000dev, pos1, buf, 16); + + if (ret == 0) { + pos2 = (indx % 4)*4; + buf[pos2++] = *buffer++; + buf[pos2++] = *buffer++; + buf[pos2++] = *buffer++; + buf[pos2++] = *buffer++; + ret = ft1000_write_dpram32(ft1000dev, pos1, buf, 16); + } else { + pr_debug("DPRAM32 Read failed\n"); + return ret; + } + + ret = ft1000_read_dpram32(ft1000dev, pos1, (u8 *)&resultbuffer[0], 16); + + if (ret == 0) { + buffer = pdata; + for (i = 0; i < 16; i++) { + if (buf[i] != resultbuffer[i]) + ret = -1; + } + } + + if (ret == -1) { + ret = ft1000_write_dpram32(ft1000dev, pos1, + (u8 *)&tempbuffer[0], 16); + ret = ft1000_read_dpram32(ft1000dev, pos1, + (u8 *)&resultbuffer[0], 16); + if (ret == 0) { + buffer = pdata; + for (i = 0; i < 16; i++) { + if (tempbuffer[i] != resultbuffer[i]) { + ret = -1; + pr_debug("Failed to write\n"); + } + } + } + } + + return ret; +} + +/* reset or activate the DSP */ +static void card_reset_dsp(struct ft1000_usb *ft1000dev, bool value) +{ + int status = 0; + u16 tempword; + + status = ft1000_write_register(ft1000dev, HOST_INTF_BE, + FT1000_REG_SUP_CTRL); + status = ft1000_read_register(ft1000dev, &tempword, + FT1000_REG_SUP_CTRL); + + if (value) { + pr_debug("Reset DSP\n"); + status = ft1000_read_register(ft1000dev, &tempword, + FT1000_REG_RESET); + tempword |= DSP_RESET_BIT; + status = ft1000_write_register(ft1000dev, tempword, + FT1000_REG_RESET); + } else { + pr_debug("Activate DSP\n"); + status = ft1000_read_register(ft1000dev, &tempword, + FT1000_REG_RESET); + tempword |= DSP_ENCRYPTED; + tempword &= ~DSP_UNENCRYPTED; + status = ft1000_write_register(ft1000dev, tempword, + FT1000_REG_RESET); + status = ft1000_read_register(ft1000dev, &tempword, + FT1000_REG_RESET); + tempword &= ~EFUSE_MEM_DISABLE; + tempword &= ~DSP_RESET_BIT; + status = ft1000_write_register(ft1000dev, tempword, + FT1000_REG_RESET); + status = ft1000_read_register(ft1000dev, &tempword, + FT1000_REG_RESET); + } +} + +/* send a command to ASIC + * Parameters: ft1000_usb - device structure + * ptempbuffer - command buffer + * size - command buffer size + */ +int card_send_command(struct ft1000_usb *ft1000dev, void *ptempbuffer, + int size) +{ + int ret; + unsigned short temp; + unsigned char *commandbuf; + + pr_debug("enter card_send_command... size=%d\n", size); + + ret = ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL); + if (ret) + return ret; + + commandbuf = kmalloc(size + 2, GFP_KERNEL); + if (!commandbuf) + return -ENOMEM; + memcpy((void *)commandbuf + 2, ptempbuffer, size); + + if (temp & 0x0100) + usleep_range(900, 1100); + + /* check for odd word */ + size = size + 2; + + /* Must force to be 32 bit aligned */ + if (size % 4) + size += 4 - (size % 4); + + ret = ft1000_write_dpram32(ft1000dev, 0, commandbuf, size); + if (ret) + return ret; + usleep_range(900, 1100); + ret = ft1000_write_register(ft1000dev, FT1000_DB_DPRAM_TX, + FT1000_REG_DOORBELL); + if (ret) + return ret; + usleep_range(900, 1100); + + ret = ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL); + +#if 0 + if ((temp & 0x0100) == 0) + pr_debug("Message sent\n"); +#endif + return ret; +} + +/* load or reload the DSP */ +int dsp_reload(struct ft1000_usb *ft1000dev) +{ + int status; + u16 tempword; + u32 templong; + + struct ft1000_info *pft1000info; + + pft1000info = netdev_priv(ft1000dev->net); + + pft1000info->CardReady = 0; + + /* Program Interrupt Mask register */ + status = ft1000_write_register(ft1000dev, 0xffff, FT1000_REG_SUP_IMASK); + + status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_RESET); + tempword |= ASIC_RESET_BIT; + status = ft1000_write_register(ft1000dev, tempword, FT1000_REG_RESET); + msleep(1000); + status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_RESET); + pr_debug("Reset Register = 0x%x\n", tempword); + + /* Toggle DSP reset */ + card_reset_dsp(ft1000dev, 1); + msleep(1000); + card_reset_dsp(ft1000dev, 0); + msleep(1000); + + status = + ft1000_write_register(ft1000dev, HOST_INTF_BE, FT1000_REG_SUP_CTRL); + + /* Let's check for FEFE */ + status = + ft1000_read_dpram32(ft1000dev, FT1000_MAG_DPRAM_FEFE_INDX, + (u8 *)&templong, 4); + pr_debug("templong (fefe) = 0x%8x\n", templong); + + /* call codeloader */ + status = scram_dnldr(ft1000dev, pFileStart, FileLength); + + if (status != 0) + return -EIO; + + msleep(1000); + + return 0; +} + +/* call the Card Service function to reset the ASIC. */ +static void ft1000_reset_asic(struct net_device *dev) +{ + struct ft1000_info *info = netdev_priv(dev); + struct ft1000_usb *ft1000dev = info->priv; + u16 tempword; + + /* Let's use the register provided by the Magnemite ASIC to reset the + * ASIC and DSP. + */ + ft1000_write_register(ft1000dev, DSP_RESET_BIT | ASIC_RESET_BIT, + FT1000_REG_RESET); + + mdelay(1); + + /* set watermark to -1 in order to not generate an interrupt */ + ft1000_write_register(ft1000dev, 0xffff, FT1000_REG_MAG_WATERMARK); + + /* clear interrupts */ + ft1000_read_register(ft1000dev, &tempword, FT1000_REG_SUP_ISR); + pr_debug("interrupt status register = 0x%x\n", tempword); + ft1000_write_register(ft1000dev, tempword, FT1000_REG_SUP_ISR); + ft1000_read_register(ft1000dev, &tempword, FT1000_REG_SUP_ISR); + pr_debug("interrupt status register = 0x%x\n", tempword); +} + +static int ft1000_reset_card(struct net_device *dev) +{ + struct ft1000_info *info = netdev_priv(dev); + struct ft1000_usb *ft1000dev = info->priv; + u16 tempword; + struct prov_record *ptr; + struct prov_record *tmp; + + ft1000dev->fCondResetPend = true; + info->CardReady = 0; + ft1000dev->fProvComplete = false; + + /* Make sure we free any memory reserve for provisioning */ + list_for_each_entry_safe(ptr, tmp, &info->prov_list, list) { + pr_debug("deleting provisioning record\n"); + list_del(&ptr->list); + kfree(ptr->pprov_data); + kfree(ptr); + } + + pr_debug("reset asic\n"); + ft1000_reset_asic(dev); + + pr_debug("call dsp_reload\n"); + dsp_reload(ft1000dev); + + pr_debug("dsp reload successful\n"); + + mdelay(10); + + /* Initialize DSP heartbeat area */ + ft1000_write_dpram16(ft1000dev, FT1000_MAG_HI_HO, ho_mag, + FT1000_MAG_HI_HO_INDX); + ft1000_read_dpram16(ft1000dev, FT1000_MAG_HI_HO, (u8 *)&tempword, + FT1000_MAG_HI_HO_INDX); + pr_debug("hi_ho value = 0x%x\n", tempword); + + info->CardReady = 1; + + ft1000dev->fCondResetPend = false; + + return TRUE; +} + +/* callback function when a urb is transmitted */ +static void ft1000_usb_transmit_complete(struct urb *urb) +{ + + struct ft1000_usb *ft1000dev = urb->context; + + if (urb->status) + pr_err("%s: TX status %d\n", ft1000dev->net->name, urb->status); + + netif_wake_queue(ft1000dev->net); +} + +/* take an ethernet packet and convert it to a Flarion + * packet prior to sending it to the ASIC Downlink FIFO. + */ +static int ft1000_copy_down_pkt(struct net_device *netdev, u8 *packet, u16 len) +{ + struct ft1000_info *pInfo = netdev_priv(netdev); + struct ft1000_usb *pFt1000Dev = pInfo->priv; + + int count, ret; + u8 *t; + struct pseudo_hdr hdr; + + if (!pInfo->CardReady) { + pr_debug("Card Not Ready\n"); + return -ENODEV; + } + + count = sizeof(struct pseudo_hdr) + len; + if (count > MAX_BUF_SIZE) { + pr_debug("Message Size Overflow! size = %d\n", count); + return -EINVAL; + } + + if (count % 4) + count = count + (4 - (count % 4)); + + memset(&hdr, 0, sizeof(struct pseudo_hdr)); + + hdr.length = ntohs(count); + hdr.source = 0x10; + hdr.destination = 0x20; + hdr.portdest = 0x20; + hdr.portsrc = 0x10; + hdr.sh_str_id = 0x91; + hdr.control = 0x00; + + hdr.checksum = hdr.length ^ hdr.source ^ hdr.destination ^ + hdr.portdest ^ hdr.portsrc ^ hdr.sh_str_id ^ hdr.control; + + memcpy(&pFt1000Dev->tx_buf[0], &hdr, sizeof(hdr)); + memcpy(&pFt1000Dev->tx_buf[sizeof(struct pseudo_hdr)], packet, len); + + netif_stop_queue(netdev); + + usb_fill_bulk_urb(pFt1000Dev->tx_urb, + pFt1000Dev->dev, + usb_sndbulkpipe(pFt1000Dev->dev, + pFt1000Dev->bulk_out_endpointAddr), + pFt1000Dev->tx_buf, count, + ft1000_usb_transmit_complete, pFt1000Dev); + + t = (u8 *)pFt1000Dev->tx_urb->transfer_buffer; + + ret = usb_submit_urb(pFt1000Dev->tx_urb, GFP_ATOMIC); + + if (ret) { + pr_debug("failed tx_urb %d\n", ret); + return ret; + } + pInfo->stats.tx_packets++; + pInfo->stats.tx_bytes += (len + 14); + + return 0; +} + +/* transmit an ethernet packet + * Parameters: skb - socket buffer to be sent + * dev - network device + */ +static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct ft1000_info *pInfo = netdev_priv(dev); + struct ft1000_usb *pFt1000Dev = pInfo->priv; + u8 *pdata; + int maxlen, pipe; + + if (skb == NULL) { + pr_debug("skb == NULL!!!\n"); + return NETDEV_TX_OK; + } + + if (pFt1000Dev->status & FT1000_STATUS_CLOSING) { + pr_debug("network driver is closed, return\n"); + goto err; + } + + pipe = + usb_sndbulkpipe(pFt1000Dev->dev, pFt1000Dev->bulk_out_endpointAddr); + maxlen = usb_maxpacket(pFt1000Dev->dev, pipe, usb_pipeout(pipe)); + + pdata = (u8 *)skb->data; + + if (pInfo->mediastate == 0) { + /* Drop packet is mediastate is down */ + pr_debug("mediastate is down\n"); + goto err; + } + + if ((skb->len < ENET_HEADER_SIZE) || (skb->len > ENET_MAX_SIZE)) { + /* Drop packet which has invalid size */ + pr_debug("invalid ethernet length\n"); + goto err; + } + + ft1000_copy_down_pkt(dev, pdata + ENET_HEADER_SIZE - 2, + skb->len - ENET_HEADER_SIZE + 2); + +err: + dev_kfree_skb(skb); + + return NETDEV_TX_OK; +} + +/* open the network driver */ +static int ft1000_open(struct net_device *dev) +{ + struct ft1000_info *pInfo = netdev_priv(dev); + struct ft1000_usb *pFt1000Dev = pInfo->priv; + struct timeval tv; + + pr_debug("ft1000_open is called for card %d\n", pFt1000Dev->CardNumber); + + pInfo->stats.rx_bytes = 0; + pInfo->stats.tx_bytes = 0; + pInfo->stats.rx_packets = 0; + pInfo->stats.tx_packets = 0; + do_gettimeofday(&tv); + pInfo->ConTm = tv.tv_sec; + pInfo->ProgConStat = 0; + + netif_start_queue(dev); + + netif_carrier_on(dev); + + return ft1000_submit_rx_urb(pInfo); +} + +static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev) +{ + struct ft1000_info *info = netdev_priv(dev); + + return &(info->stats); +} + +static const struct net_device_ops ftnet_ops = { + .ndo_open = &ft1000_open, + .ndo_stop = &ft1000_close, + .ndo_start_xmit = &ft1000_start_xmit, + .ndo_get_stats = &ft1000_netdev_stats, +}; + +/* initialize the network device */ +static int ft1000_reset(void *dev) +{ + ft1000_reset_card(dev); + return 0; +} + +int init_ft1000_netdev(struct ft1000_usb *ft1000dev) +{ + struct net_device *netdev; + struct ft1000_info *pInfo = NULL; + struct dpram_blk *pdpram_blk; + int i, ret_val; + struct list_head *cur, *tmp; + char card_nr[2]; + u8 gCardIndex = 0; + + netdev = alloc_etherdev(sizeof(struct ft1000_info)); + if (!netdev) { + pr_debug("can not allocate network device\n"); + return -ENOMEM; + } + + pInfo = netdev_priv(netdev); + + memset(pInfo, 0, sizeof(struct ft1000_info)); + + dev_alloc_name(netdev, netdev->name); + + pr_debug("network device name is %s\n", netdev->name); + + if (strncmp(netdev->name, "eth", 3) == 0) { + card_nr[0] = netdev->name[3]; + card_nr[1] = '\0'; + ret_val = kstrtou8(card_nr, 10, &gCardIndex); + if (ret_val) { + netdev_err(ft1000dev->net, "Can't parse netdev\n"); + goto err_net; + } + + ft1000dev->CardNumber = gCardIndex; + pr_debug("card number = %d\n", ft1000dev->CardNumber); + } else { + netdev_err(ft1000dev->net, "ft1000: Invalid device name\n"); + ret_val = -ENXIO; + goto err_net; + } + + memset(&pInfo->stats, 0, sizeof(struct net_device_stats)); + + spin_lock_init(&pInfo->dpram_lock); + pInfo->priv = ft1000dev; + pInfo->DrvErrNum = 0; + pInfo->registered = 1; + pInfo->ft1000_reset = ft1000_reset; + pInfo->mediastate = 0; + pInfo->fifo_cnt = 0; + ft1000dev->DeviceCreated = FALSE; + pInfo->CardReady = 0; + pInfo->DSP_TIME[0] = 0; + pInfo->DSP_TIME[1] = 0; + pInfo->DSP_TIME[2] = 0; + pInfo->DSP_TIME[3] = 0; + ft1000dev->fAppMsgPend = false; + ft1000dev->fCondResetPend = false; + ft1000dev->usbboot = 0; + ft1000dev->dspalive = 0; + memset(&ft1000dev->tempbuf[0], 0, sizeof(ft1000dev->tempbuf)); + + INIT_LIST_HEAD(&pInfo->prov_list); + + INIT_LIST_HEAD(&ft1000dev->nodes.list); + + netdev->netdev_ops = &ftnet_ops; + + ft1000dev->net = netdev; + + pr_debug("Initialize free_buff_lock and freercvpool\n"); + spin_lock_init(&free_buff_lock); + + /* initialize a list of buffers to be use for queuing + * up receive command data + */ + INIT_LIST_HEAD(&freercvpool); + + /* create list of free buffers */ + for (i = 0; i < NUM_OF_FREE_BUFFERS; i++) { + /* Get memory for DPRAM_DATA link list */ + pdpram_blk = kmalloc(sizeof(struct dpram_blk), GFP_KERNEL); + if (pdpram_blk == NULL) { + ret_val = -ENOMEM; + goto err_free; + } + /* Get a block of memory to store command data */ + pdpram_blk->pbuffer = kmalloc(MAX_CMD_SQSIZE, GFP_KERNEL); + if (pdpram_blk->pbuffer == NULL) { + ret_val = -ENOMEM; + kfree(pdpram_blk); + goto err_free; + } + /* link provisioning data */ + list_add_tail(&pdpram_blk->list, &freercvpool); + } + numofmsgbuf = NUM_OF_FREE_BUFFERS; + + return 0; + +err_free: + list_for_each_safe(cur, tmp, &freercvpool) { + pdpram_blk = list_entry(cur, struct dpram_blk, list); + list_del(&pdpram_blk->list); + kfree(pdpram_blk->pbuffer); + kfree(pdpram_blk); + } +err_net: + free_netdev(netdev); + return ret_val; +} + +/* register the network driver */ +int reg_ft1000_netdev(struct ft1000_usb *ft1000dev, + struct usb_interface *intf) +{ + struct net_device *netdev; + struct ft1000_info *pInfo; + int rc; + + netdev = ft1000dev->net; + pInfo = netdev_priv(ft1000dev->net); + + ft1000_read_register(ft1000dev, &pInfo->AsicID, FT1000_REG_ASIC_ID); + + usb_set_intfdata(intf, pInfo); + SET_NETDEV_DEV(netdev, &intf->dev); + + rc = register_netdev(netdev); + if (rc) { + pr_debug("could not register network device\n"); + free_netdev(netdev); + return rc; + } + + ft1000_create_dev(ft1000dev); + + pInfo->CardReady = 1; + + return 0; +} + +/* take a packet from the FIFO up link and + * convert it into an ethernet packet and deliver it to the IP stack + */ +static int ft1000_copy_up_pkt(struct urb *urb) +{ + struct ft1000_info *info = urb->context; + struct ft1000_usb *ft1000dev = info->priv; + struct net_device *net = ft1000dev->net; + + u16 tempword; + u16 len; + u16 lena; + struct sk_buff *skb; + u16 i; + u8 *pbuffer = NULL; + u8 *ptemp = NULL; + u16 *chksum; + + if (ft1000dev->status & FT1000_STATUS_CLOSING) { + pr_debug("network driver is closed, return\n"); + return 0; + } + /* Read length */ + len = urb->transfer_buffer_length; + lena = urb->actual_length; + + chksum = (u16 *)ft1000dev->rx_buf; + + tempword = *chksum++; + for (i = 1; i < 7; i++) + tempword ^= *chksum++; + + if (tempword != *chksum) { + info->stats.rx_errors++; + ft1000_submit_rx_urb(info); + return -1; + } + + skb = dev_alloc_skb(len + 12 + 2); + + if (skb == NULL) { + pr_debug("No Network buffers available\n"); + info->stats.rx_errors++; + ft1000_submit_rx_urb(info); + return -1; + } + + pbuffer = (u8 *)skb_put(skb, len + 12); + + /* subtract the number of bytes read already */ + ptemp = pbuffer; + + /* fake MAC address */ + *pbuffer++ = net->dev_addr[0]; + *pbuffer++ = net->dev_addr[1]; + *pbuffer++ = net->dev_addr[2]; + *pbuffer++ = net->dev_addr[3]; + *pbuffer++ = net->dev_addr[4]; + *pbuffer++ = net->dev_addr[5]; + *pbuffer++ = 0x00; + *pbuffer++ = 0x07; + *pbuffer++ = 0x35; + *pbuffer++ = 0xff; + *pbuffer++ = 0xff; + *pbuffer++ = 0xfe; + + memcpy(pbuffer, ft1000dev->rx_buf + sizeof(struct pseudo_hdr), + len - sizeof(struct pseudo_hdr)); + + skb->dev = net; + + skb->protocol = eth_type_trans(skb, net); + skb->ip_summed = CHECKSUM_UNNECESSARY; + netif_rx(skb); + + info->stats.rx_packets++; + /* Add on 12 bytes for MAC address which was removed */ + info->stats.rx_bytes += (lena + 12); + + ft1000_submit_rx_urb(info); + + return 0; +} + + +/* the receiving function of the network driver */ +static int ft1000_submit_rx_urb(struct ft1000_info *info) +{ + int result; + struct ft1000_usb *pFt1000Dev = info->priv; + + if (pFt1000Dev->status & FT1000_STATUS_CLOSING) { + pr_debug("network driver is closed, return\n"); + return -ENODEV; + } + + usb_fill_bulk_urb(pFt1000Dev->rx_urb, + pFt1000Dev->dev, + usb_rcvbulkpipe(pFt1000Dev->dev, + pFt1000Dev->bulk_in_endpointAddr), + pFt1000Dev->rx_buf, MAX_BUF_SIZE, + (usb_complete_t)ft1000_copy_up_pkt, info); + + result = usb_submit_urb(pFt1000Dev->rx_urb, GFP_ATOMIC); + + if (result) { + pr_err("submitting rx_urb %d failed\n", result); + return result; + } + + return 0; +} + +/* close the network driver */ +int ft1000_close(struct net_device *net) +{ + struct ft1000_info *pInfo = netdev_priv(net); + struct ft1000_usb *ft1000dev = pInfo->priv; + + ft1000dev->status |= FT1000_STATUS_CLOSING; + + pr_debug("pInfo=%p, ft1000dev=%p\n", pInfo, ft1000dev); + netif_carrier_off(net); + netif_stop_queue(net); + ft1000dev->status &= ~FT1000_STATUS_CLOSING; + + pInfo->ProgConStat = 0xff; + + return 0; +} + +/* check if the device is presently available on the system. */ +static int ft1000_chkcard(struct ft1000_usb *dev) +{ + u16 tempword; + int status; + + if (dev->fCondResetPend) { + pr_debug("Card is being reset, return FALSE\n"); + return TRUE; + } + /* Mask register is used to check for device presence since it is never + * set to zero. + */ + status = ft1000_read_register(dev, &tempword, FT1000_REG_SUP_IMASK); + if (tempword == 0) { + pr_debug("IMASK = 0 Card not detected\n"); + return FALSE; + } + /* The system will return the value of 0xffff for the version register + * if the device is not present. + */ + status = ft1000_read_register(dev, &tempword, FT1000_REG_ASIC_ID); + if (tempword != 0x1b01) { + dev->status |= FT1000_STATUS_CLOSING; + pr_debug("Version = 0xffff Card not detected\n"); + return FALSE; + } + return TRUE; +} + +/* read a message from the dpram area. + * Input: + * dev - network device structure + * pbuffer - caller supply address to buffer + */ +static bool ft1000_receive_cmd(struct ft1000_usb *dev, u16 *pbuffer, + int maxsz) +{ + u16 size; + int ret; + u16 *ppseudohdr; + int i; + u16 tempword; + + ret = + ft1000_read_dpram16(dev, FT1000_MAG_PH_LEN, (u8 *)&size, + FT1000_MAG_PH_LEN_INDX); + size = ntohs(size) + PSEUDOSZ; + if (size > maxsz) { + pr_debug("Invalid command length = %d\n", size); + return FALSE; + } + ppseudohdr = (u16 *)pbuffer; + ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE, + FT1000_REG_DPRAM_ADDR); + ret = + ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH); + pbuffer++; + ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE + 1, + FT1000_REG_DPRAM_ADDR); + for (i = 0; i <= (size >> 2); i++) { + ret = + ft1000_read_register(dev, pbuffer, + FT1000_REG_MAG_DPDATAL); + pbuffer++; + ret = + ft1000_read_register(dev, pbuffer, + FT1000_REG_MAG_DPDATAH); + pbuffer++; + } + /* copy odd aligned word */ + ret = + ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL); + + pbuffer++; + ret = + ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH); + + pbuffer++; + if (size & 0x0001) { + /* copy odd byte from fifo */ + ret = + ft1000_read_register(dev, &tempword, + FT1000_REG_DPRAM_DATA); + *pbuffer = ntohs(tempword); + } + /* Check if pseudo header checksum is good + * Calculate pseudo header checksum + */ + tempword = *ppseudohdr++; + for (i = 1; i < 7; i++) + tempword ^= *ppseudohdr++; + + if (tempword != *ppseudohdr) + return FALSE; + + return TRUE; +} + +static int ft1000_dsp_prov(void *arg) +{ + struct ft1000_usb *dev = (struct ft1000_usb *)arg; + struct ft1000_info *info = netdev_priv(dev->net); + u16 tempword; + u16 len; + u16 i = 0; + struct prov_record *ptr; + struct pseudo_hdr *ppseudo_hdr; + u16 *pmsg; + int status; + u16 TempShortBuf[256]; + + while (list_empty(&info->prov_list) == 0) { + pr_debug("DSP Provisioning List Entry\n"); + + /* Check if doorbell is available */ + pr_debug("check if doorbell is cleared\n"); + status = + ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL); + if (status) { + pr_debug("ft1000_read_register error\n"); + break; + } + + while (tempword & FT1000_DB_DPRAM_TX) { + mdelay(10); + i++; + if (i == 10) { + pr_debug("message drop\n"); + return -1; + } + ft1000_read_register(dev, &tempword, + FT1000_REG_DOORBELL); + } + + if (!(tempword & FT1000_DB_DPRAM_TX)) { + pr_debug("*** Provision Data Sent to DSP\n"); + + /* Send provisioning data */ + ptr = + list_entry(info->prov_list.next, struct prov_record, + list); + len = *(u16 *)ptr->pprov_data; + len = htons(len); + len += PSEUDOSZ; + + pmsg = (u16 *)ptr->pprov_data; + ppseudo_hdr = (struct pseudo_hdr *)pmsg; + /* Insert slow queue sequence number */ + ppseudo_hdr->seq_num = info->squeseqnum++; + ppseudo_hdr->portsrc = 0; + /* Calculate new checksum */ + ppseudo_hdr->checksum = *pmsg++; + for (i = 1; i < 7; i++) + ppseudo_hdr->checksum ^= *pmsg++; + + TempShortBuf[0] = 0; + TempShortBuf[1] = htons(len); + memcpy(&TempShortBuf[2], ppseudo_hdr, len); + + status = + ft1000_write_dpram32(dev, 0, + (u8 *)&TempShortBuf[0], + (unsigned short)(len + 2)); + status = + ft1000_write_register(dev, FT1000_DB_DPRAM_TX, + FT1000_REG_DOORBELL); + + list_del(&ptr->list); + kfree(ptr->pprov_data); + kfree(ptr); + } + usleep_range(9000, 11000); + } + + pr_debug("DSP Provisioning List Entry finished\n"); + + msleep(100); + + dev->fProvComplete = true; + info->CardReady = 1; + + return 0; +} + +static int ft1000_proc_drvmsg(struct ft1000_usb *dev, u16 size) +{ + struct ft1000_info *info = netdev_priv(dev->net); + u16 msgtype; + u16 tempword; + struct media_msg *pmediamsg; + struct dsp_init_msg *pdspinitmsg; + struct drv_msg *pdrvmsg; + u16 i; + struct pseudo_hdr *ppseudo_hdr; + u16 *pmsg; + int status; + union { + u8 byte[2]; + u16 wrd; + } convert; + + char *cmdbuffer = kmalloc(1600, GFP_KERNEL); + + if (!cmdbuffer) + return -ENOMEM; + + status = ft1000_read_dpram32(dev, 0x200, cmdbuffer, size); + +#ifdef JDEBUG + print_hex_dump_debug("cmdbuffer: ", HEX_DUMP_OFFSET, 16, 1, + cmdbuffer, size, true); +#endif + pdrvmsg = (struct drv_msg *)&cmdbuffer[2]; + msgtype = ntohs(pdrvmsg->type); + pr_debug("Command message type = 0x%x\n", msgtype); + switch (msgtype) { + case MEDIA_STATE:{ + pr_debug("Command message type = MEDIA_STATE\n"); + pmediamsg = (struct media_msg *)&cmdbuffer[0]; + if (info->ProgConStat != 0xFF) { + if (pmediamsg->state) { + pr_debug("Media is up\n"); + if (info->mediastate == 0) { + if (dev->NetDevRegDone) + netif_wake_queue(dev->net); + info->mediastate = 1; + } + } else { + pr_debug("Media is down\n"); + if (info->mediastate == 1) { + info->mediastate = 0; + if (dev->NetDevRegDone) + info->ConTm = 0; + } + } + } else { + pr_debug("Media is down\n"); + if (info->mediastate == 1) { + info->mediastate = 0; + info->ConTm = 0; + } + } + break; + } + case DSP_INIT_MSG:{ + pr_debug("Command message type = DSP_INIT_MSG\n"); + pdspinitmsg = (struct dsp_init_msg *)&cmdbuffer[2]; + memcpy(info->DspVer, pdspinitmsg->DspVer, DSPVERSZ); + pr_debug("DSPVER = 0x%2x 0x%2x 0x%2x 0x%2x\n", + info->DspVer[0], info->DspVer[1], info->DspVer[2], + info->DspVer[3]); + memcpy(info->HwSerNum, pdspinitmsg->HwSerNum, + HWSERNUMSZ); + memcpy(info->Sku, pdspinitmsg->Sku, SKUSZ); + memcpy(info->eui64, pdspinitmsg->eui64, EUISZ); + pr_debug("EUI64=%2x.%2x.%2x.%2x.%2x.%2x.%2x.%2x\n", + info->eui64[0], info->eui64[1], info->eui64[2], + info->eui64[3], info->eui64[4], info->eui64[5], + info->eui64[6], info->eui64[7]); + dev->net->dev_addr[0] = info->eui64[0]; + dev->net->dev_addr[1] = info->eui64[1]; + dev->net->dev_addr[2] = info->eui64[2]; + dev->net->dev_addr[3] = info->eui64[5]; + dev->net->dev_addr[4] = info->eui64[6]; + dev->net->dev_addr[5] = info->eui64[7]; + + if (ntohs(pdspinitmsg->length) == + (sizeof(struct dsp_init_msg) - 20)) { + memcpy(info->ProductMode, pdspinitmsg->ProductMode, + MODESZ); + memcpy(info->RfCalVer, pdspinitmsg->RfCalVer, CALVERSZ); + memcpy(info->RfCalDate, pdspinitmsg->RfCalDate, + CALDATESZ); + pr_debug("RFCalVer = 0x%2x 0x%2x\n", + info->RfCalVer[0], info->RfCalVer[1]); + } + break; + } + case DSP_PROVISION:{ + pr_debug("Command message type = DSP_PROVISION\n"); + + /* kick off dspprov routine to start provisioning + * Send provisioning data to DSP + */ + if (list_empty(&info->prov_list) == 0) { + dev->fProvComplete = false; + status = ft1000_dsp_prov(dev); + if (status != 0) + goto out; + } else { + dev->fProvComplete = true; + status = ft1000_write_register(dev, FT1000_DB_HB, + FT1000_REG_DOORBELL); + pr_debug("No more DSP provisioning data in dsp image\n"); + } + pr_debug("DSP PROVISION is done\n"); + break; + } + case DSP_STORE_INFO:{ + pr_debug("Command message type = DSP_STORE_INFO"); + tempword = ntohs(pdrvmsg->length); + info->DSPInfoBlklen = tempword; + if (tempword < (MAX_DSP_SESS_REC - 4)) { + pmsg = (u16 *)&pdrvmsg->data[0]; + for (i = 0; i < ((tempword + 1) / 2); i++) { + pr_debug("dsp info data = 0x%x\n", *pmsg); + info->DSPInfoBlk[i + 10] = *pmsg++; + } + } else { + info->DSPInfoBlklen = 0; + } + break; + } + case DSP_GET_INFO:{ + pr_debug("Got DSP_GET_INFO\n"); + /* copy dsp info block to dsp */ + dev->DrvMsgPend = 1; + /* allow any outstanding ioctl to finish */ + mdelay(10); + status = ft1000_read_register(dev, &tempword, + FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) { + mdelay(10); + status = ft1000_read_register(dev, &tempword, + FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) { + mdelay(10); + status = ft1000_read_register(dev, &tempword, + FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) + break; + } + } + /* Put message into Slow Queue Form Pseudo header */ + pmsg = (u16 *)info->DSPInfoBlk; + *pmsg++ = 0; + *pmsg++ = htons(info->DSPInfoBlklen + 20 + info->DSPInfoBlklen); + ppseudo_hdr = + (struct pseudo_hdr *)(u16 *)&info->DSPInfoBlk[2]; + ppseudo_hdr->length = htons(info->DSPInfoBlklen + 4 + + info->DSPInfoBlklen); + ppseudo_hdr->source = 0x10; + ppseudo_hdr->destination = 0x20; + ppseudo_hdr->portdest = 0; + ppseudo_hdr->portsrc = 0; + ppseudo_hdr->sh_str_id = 0; + ppseudo_hdr->control = 0; + ppseudo_hdr->rsvd1 = 0; + ppseudo_hdr->rsvd2 = 0; + ppseudo_hdr->qos_class = 0; + /* Insert slow queue sequence number */ + ppseudo_hdr->seq_num = info->squeseqnum++; + /* Insert application id */ + ppseudo_hdr->portsrc = 0; + /* Calculate new checksum */ + ppseudo_hdr->checksum = *pmsg++; + for (i = 1; i < 7; i++) + ppseudo_hdr->checksum ^= *pmsg++; + + info->DSPInfoBlk[10] = 0x7200; + info->DSPInfoBlk[11] = htons(info->DSPInfoBlklen); + status = ft1000_write_dpram32(dev, 0, + (u8 *)&info->DSPInfoBlk[0], + (unsigned short)(info->DSPInfoBlklen + 22)); + status = ft1000_write_register(dev, FT1000_DB_DPRAM_TX, + FT1000_REG_DOORBELL); + dev->DrvMsgPend = 0; + break; + } + case GET_DRV_ERR_RPT_MSG:{ + pr_debug("Got GET_DRV_ERR_RPT_MSG\n"); + /* copy driver error message to dsp */ + dev->DrvMsgPend = 1; + /* allow any outstanding ioctl to finish */ + mdelay(10); + status = ft1000_read_register(dev, &tempword, + FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) { + mdelay(10); + status = ft1000_read_register(dev, &tempword, + FT1000_REG_DOORBELL); + if (tempword & FT1000_DB_DPRAM_TX) + mdelay(10); + } + if ((tempword & FT1000_DB_DPRAM_TX) == 0) { + /* Put message into Slow Queue Form Pseudo header */ + pmsg = (u16 *)&tempbuffer[0]; + ppseudo_hdr = (struct pseudo_hdr *)pmsg; + ppseudo_hdr->length = htons(0x0012); + ppseudo_hdr->source = 0x10; + ppseudo_hdr->destination = 0x20; + ppseudo_hdr->portdest = 0; + ppseudo_hdr->portsrc = 0; + ppseudo_hdr->sh_str_id = 0; + ppseudo_hdr->control = 0; + ppseudo_hdr->rsvd1 = 0; + ppseudo_hdr->rsvd2 = 0; + ppseudo_hdr->qos_class = 0; + /* Insert slow queue sequence number */ + ppseudo_hdr->seq_num = info->squeseqnum++; + /* Insert application id */ + ppseudo_hdr->portsrc = 0; + /* Calculate new checksum */ + ppseudo_hdr->checksum = *pmsg++; + for (i = 1; i < 7; i++) + ppseudo_hdr->checksum ^= *pmsg++; + + pmsg = (u16 *)&tempbuffer[16]; + *pmsg++ = htons(RSP_DRV_ERR_RPT_MSG); + *pmsg++ = htons(0x000e); + *pmsg++ = htons(info->DSP_TIME[0]); + *pmsg++ = htons(info->DSP_TIME[1]); + *pmsg++ = htons(info->DSP_TIME[2]); + *pmsg++ = htons(info->DSP_TIME[3]); + convert.byte[0] = info->DspVer[0]; + convert.byte[1] = info->DspVer[1]; + *pmsg++ = convert.wrd; + convert.byte[0] = info->DspVer[2]; + convert.byte[1] = info->DspVer[3]; + *pmsg++ = convert.wrd; + *pmsg++ = htons(info->DrvErrNum); + + status = card_send_command(dev, (unsigned char *)&tempbuffer[0], + (u16)(0x0012 + PSEUDOSZ)); + if (status) + goto out; + info->DrvErrNum = 0; + } + dev->DrvMsgPend = 0; + break; + } + default: + break; + } + + status = 0; +out: + kfree(cmdbuffer); + return status; +} + +/* Check which application has registered for dsp broadcast messages */ +static int dsp_broadcast_msg_id(struct ft1000_usb *dev) +{ + struct dpram_blk *pdpram_blk; + unsigned long flags; + int i; + + for (i = 0; i < MAX_NUM_APP; i++) { + if ((dev->app_info[i].DspBCMsgFlag) + && (dev->app_info[i].fileobject) + && (dev->app_info[i].NumOfMsg + < MAX_MSG_LIMIT)) { + pdpram_blk = ft1000_get_buffer(&freercvpool); + if (pdpram_blk == NULL) { + pr_debug("Out of memory in free receive command pool\n"); + dev->app_info[i].nRxMsgMiss++; + return -1; + } + if (ft1000_receive_cmd(dev, pdpram_blk->pbuffer, + MAX_CMD_SQSIZE)) { + /* Put message into the + * appropriate application block + */ + dev->app_info[i].nRxMsg++; + spin_lock_irqsave(&free_buff_lock, flags); + list_add_tail(&pdpram_blk->list, + &dev->app_info[i] .app_sqlist); + dev->app_info[i].NumOfMsg++; + spin_unlock_irqrestore(&free_buff_lock, flags); + wake_up_interruptible(&dev->app_info[i] + .wait_dpram_msg); + } else { + dev->app_info[i].nRxMsgMiss++; + ft1000_free_buffer(pdpram_blk, &freercvpool); + pr_debug("ft1000_get_buffer NULL\n"); + return -1; + } + } + } + return 0; +} + +static int handle_misc_portid(struct ft1000_usb *dev) +{ + struct dpram_blk *pdpram_blk; + int i; + + pdpram_blk = ft1000_get_buffer(&freercvpool); + if (pdpram_blk == NULL) { + pr_debug("Out of memory in free receive command pool\n"); + return -1; + } + if (!ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE)) + goto exit_failure; + + /* Search for correct application block */ + for (i = 0; i < MAX_NUM_APP; i++) { + if (dev->app_info[i].app_id == ((struct pseudo_hdr *) + pdpram_blk->pbuffer)->portdest) + break; + } + if (i == MAX_NUM_APP) { + pr_debug("No application matching id = %d\n", + ((struct pseudo_hdr *)pdpram_blk->pbuffer)->portdest); + goto exit_failure; + } else if (dev->app_info[i].NumOfMsg > MAX_MSG_LIMIT) { + goto exit_failure; + } else { + dev->app_info[i].nRxMsg++; + /* Put message into the appropriate application block */ + list_add_tail(&pdpram_blk->list, &dev->app_info[i].app_sqlist); + dev->app_info[i].NumOfMsg++; + } + return 0; + +exit_failure: + ft1000_free_buffer(pdpram_blk, &freercvpool); + return -1; +} + +int ft1000_poll(void *dev_id) +{ + struct ft1000_usb *dev = (struct ft1000_usb *)dev_id; + struct ft1000_info *info = netdev_priv(dev->net); + u16 tempword; + int status; + u16 size; + int i; + u16 data; + u16 modulo; + u16 portid; + + if (ft1000_chkcard(dev) == FALSE) { + pr_debug("failed\n"); + return -1; + } + status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL); + if (!status) { + if (tempword & FT1000_DB_DPRAM_RX) { + status = ft1000_read_dpram16(dev, + 0x200, (u8 *)&data, 0); + size = ntohs(data) + 16 + 2; + if (size % 4) { + modulo = 4 - (size % 4); + size = size + modulo; + } + status = ft1000_read_dpram16(dev, 0x201, + (u8 *)&portid, 1); + portid &= 0xff; + if (size < MAX_CMD_SQSIZE) { + switch (portid) { + case DRIVERID: + pr_debug("FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid DRIVERID\n"); + status = ft1000_proc_drvmsg(dev, size); + if (status != 0) + return status; + break; + case DSPBCMSGID: + status = dsp_broadcast_msg_id(dev); + break; + default: + status = handle_misc_portid(dev); + break; + } + } else + pr_debug("Invalid total length for SlowQ = %d\n", + size); + status = ft1000_write_register(dev, + FT1000_DB_DPRAM_RX, + FT1000_REG_DOORBELL); + } else if (tempword & FT1000_DSP_ASIC_RESET) { + /* Let's reset the ASIC from the Host side as well */ + status = ft1000_write_register(dev, ASIC_RESET_BIT, + FT1000_REG_RESET); + status = ft1000_read_register(dev, &tempword, + FT1000_REG_RESET); + i = 0; + while (tempword & ASIC_RESET_BIT) { + status = ft1000_read_register(dev, &tempword, + FT1000_REG_RESET); + usleep_range(9000, 11000); + i++; + if (i == 100) + break; + } + if (i == 100) { + pr_debug("Unable to reset ASIC\n"); + return 0; + } + usleep_range(9000, 11000); + /* Program WMARK register */ + status = ft1000_write_register(dev, 0x600, + FT1000_REG_MAG_WATERMARK); + /* clear ASIC reset doorbell */ + status = ft1000_write_register(dev, + FT1000_DSP_ASIC_RESET, + FT1000_REG_DOORBELL); + usleep_range(9000, 11000); + } else if (tempword & FT1000_ASIC_RESET_REQ) { + pr_debug("FT1000_REG_DOORBELL message type: FT1000_ASIC_RESET_REQ\n"); + /* clear ASIC reset request from DSP */ + status = ft1000_write_register(dev, + FT1000_ASIC_RESET_REQ, + FT1000_REG_DOORBELL); + status = ft1000_write_register(dev, HOST_INTF_BE, + FT1000_REG_SUP_CTRL); + /* copy dsp session record from Adapter block */ + status = ft1000_write_dpram32(dev, 0, + (u8 *)&info->DSPSess.Rec[0], 1024); + status = ft1000_write_register(dev, 0x600, + FT1000_REG_MAG_WATERMARK); + /* ring doorbell to tell DSP that + * ASIC is out of reset + * */ + status = ft1000_write_register(dev, + FT1000_ASIC_RESET_DSP, + FT1000_REG_DOORBELL); + } else if (tempword & FT1000_DB_COND_RESET) { + pr_debug("FT1000_REG_DOORBELL message type: FT1000_DB_COND_RESET\n"); + if (!dev->fAppMsgPend) { + /* Reset ASIC and DSP */ + status = ft1000_read_dpram16(dev, + FT1000_MAG_DSP_TIMER0, + (u8 *)&info->DSP_TIME[0], + FT1000_MAG_DSP_TIMER0_INDX); + status = ft1000_read_dpram16(dev, + FT1000_MAG_DSP_TIMER1, + (u8 *)&info->DSP_TIME[1], + FT1000_MAG_DSP_TIMER1_INDX); + status = ft1000_read_dpram16(dev, + FT1000_MAG_DSP_TIMER2, + (u8 *)&info->DSP_TIME[2], + FT1000_MAG_DSP_TIMER2_INDX); + status = ft1000_read_dpram16(dev, + FT1000_MAG_DSP_TIMER3, + (u8 *)&info->DSP_TIME[3], + FT1000_MAG_DSP_TIMER3_INDX); + info->CardReady = 0; + info->DrvErrNum = DSP_CONDRESET_INFO; + pr_debug("DSP conditional reset requested\n"); + info->ft1000_reset(dev->net); + } else { + dev->fProvComplete = false; + dev->fCondResetPend = true; + } + ft1000_write_register(dev, FT1000_DB_COND_RESET, + FT1000_REG_DOORBELL); + } + } + return 0; +} diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h new file mode 100644 index 000000000..e9472bebd --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h @@ -0,0 +1,123 @@ +/* + *--------------------------------------------------------------------------- + * FT1000 driver for Flarion Flash OFDM NIC Device + * + * Copyright (C) 2002 Flarion Technologies, All rights reserved. + * + * 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; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - + * Suite 330, Boston, MA 02111-1307, USA. + *--------------------------------------------------------------------------- + * + * File: ft1000_ioctl.h + * + * Description: Common structures and defines relating to IOCTL + * + * History: + * 11/5/02 Whc Created. + * + *--------------------------------------------------------------------------- + */ +#ifndef _FT1000IOCTLH_ +#define _FT1000IOCTLH_ + +struct IOCTL_GET_VER { + unsigned long drv_ver; +} __packed; + +/* Data structure for Dsp statistics */ +struct IOCTL_GET_DSP_STAT { + unsigned char DspVer[DSPVERSZ]; /* DSP version number */ + unsigned char HwSerNum[HWSERNUMSZ]; /* Hardware Serial Number */ + unsigned char Sku[SKUSZ]; /* SKU */ + unsigned char eui64[EUISZ]; /* EUI64 */ + unsigned short ConStat; /* Connection Status */ + /* Bits 0-3 = Connection Status Field */ + /* 0000=Idle (Disconnect) */ + /* 0001=Searching */ + /* 0010=Active (Connected) */ + /* 0011=Waiting for L2 down */ + /* 0100=Sleep */ + unsigned short LedStat; /* Led Status */ + /* Bits 0-3 = Signal Strength Field */ + /* 0000 = -105dBm to -92dBm */ + /* 0001 = -92dBm to -85dBm */ + /* 0011 = -85dBm to -75dBm */ + /* 0111 = -75dBm to -50dBm */ + /* 1111 = -50dBm to 0dBm */ + /* Bits 4-7 = Reserved */ + /* Bits 8-11 = SNR Field */ + /* 0000 = <2dB */ + /* 0001 = 2dB to 8dB */ + /* 0011 = 8dB to 15dB */ + /* 0111 = 15dB to 22dB */ + /* 1111 = >22dB */ + /* Bits 12-15 = Reserved */ + unsigned long nTxPkts; /* Number of packets transmitted + * from host to dsp + */ + unsigned long nRxPkts; /* Number of packets received from + * dsp to host + */ + unsigned long nTxBytes; /* Number of bytes transmitted + * from host to dsp + */ + unsigned long nRxBytes; /* Number of bytes received from + * dsp to host + */ + unsigned long ConTm; /* Current session connection time + * in seconds + */ + unsigned char CalVer[CALVERSZ]; /* Proprietary Calibration + * Version + */ + unsigned char CalDate[CALDATESZ]; /* Proprietary Calibration Date */ +} __packed; + +/* Data structure for Dual Ported RAM messaging between Host and Dsp */ +struct IOCTL_DPRAM_BLK { + unsigned short total_len; + struct pseudo_hdr pseudohdr; + unsigned char buffer[1780]; +} __packed; + +struct IOCTL_DPRAM_COMMAND { + unsigned short extra; + struct IOCTL_DPRAM_BLK dpram_blk; +} __packed; + +/* + * Custom IOCTL command codes + */ +#define FT1000_MAGIC_CODE 'F' + +#define IOCTL_REGISTER_CMD 0 +#define IOCTL_SET_DPRAM_CMD 3 +#define IOCTL_GET_DPRAM_CMD 4 +#define IOCTL_GET_DSP_STAT_CMD 6 +#define IOCTL_GET_VER_CMD 7 +#define IOCTL_CONNECT 10 +#define IOCTL_DISCONNECT 11 + +#define IOCTL_FT1000_GET_DSP_STAT _IOR(FT1000_MAGIC_CODE, \ + IOCTL_GET_DSP_STAT_CMD, \ + struct IOCTL_GET_DSP_STAT) +#define IOCTL_FT1000_GET_VER _IOR(FT1000_MAGIC_CODE, IOCTL_GET_VER_CMD, \ + struct IOCTL_GET_VER) +#define IOCTL_FT1000_CONNECT _IO(FT1000_MAGIC_CODE, IOCTL_CONNECT) +#define IOCTL_FT1000_DISCONNECT _IO(FT1000_MAGIC_CODE, IOCTL_DISCONNECT) +#define IOCTL_FT1000_SET_DPRAM _IOW(FT1000_MAGIC_CODE, IOCTL_SET_DPRAM_CMD, \ + struct IOCTL_DPRAM_BLK) +#define IOCTL_FT1000_GET_DPRAM _IOR(FT1000_MAGIC_CODE, IOCTL_GET_DPRAM_CMD, \ + struct IOCTL_DPRAM_BLK) +#define IOCTL_FT1000_REGISTER _IOW(FT1000_MAGIC_CODE, IOCTL_REGISTER_CMD, \ + unsigned short *) + +#endif /* _FT1000IOCTLH_ */ diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c new file mode 100644 index 000000000..3b303b6b1 --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c @@ -0,0 +1,254 @@ +/*===================================================== + * CopyRight (C) 2007 Qualcomm Inc. All Rights Reserved. + * + * + * This file is part of Express Card USB Driver + * + * $Id: + *==================================================== + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/firmware.h> +#include "ft1000_usb.h" + +#include <linux/kthread.h> + +MODULE_DESCRIPTION("FT1000 EXPRESS CARD DRIVER"); +MODULE_LICENSE("Dual MPL/GPL"); +MODULE_SUPPORTED_DEVICE("QFT FT1000 Express Cards"); + +void *pFileStart; +size_t FileLength; + +#define VENDOR_ID 0x1291 /* Qualcomm vendor id */ +#define PRODUCT_ID 0x11 /* fake product id */ + +/* table of devices that work with this driver */ +static struct usb_device_id id_table[] = { + {USB_DEVICE(VENDOR_ID, PRODUCT_ID)}, + {}, +}; + +MODULE_DEVICE_TABLE(usb, id_table); + +static bool gPollingfailed; +static int ft1000_poll_thread(void *arg) +{ + int ret; + + while (!kthread_should_stop()) { + usleep_range(10000, 11000); + if (!gPollingfailed) { + ret = ft1000_poll(arg); + if (ret != 0) { + pr_debug("polling failed\n"); + gPollingfailed = true; + } + } + } + return 0; +} + +static int ft1000_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_host_interface *iface_desc; + struct usb_endpoint_descriptor *endpoint; + struct usb_device *dev; + unsigned numaltsetting; + int i, ret = 0, size; + + struct ft1000_usb *ft1000dev; + struct ft1000_info *pft1000info = NULL; + const struct firmware *dsp_fw; + + ft1000dev = kzalloc(sizeof(struct ft1000_usb), GFP_KERNEL); + if (!ft1000dev) + return -ENOMEM; + + dev = interface_to_usbdev(interface); + pr_debug("usb device descriptor info - number of configuration is %d\n", + dev->descriptor.bNumConfigurations); + + ft1000dev->dev = dev; + ft1000dev->status = 0; + ft1000dev->net = NULL; + ft1000dev->tx_urb = usb_alloc_urb(0, GFP_KERNEL); + ft1000dev->rx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!ft1000dev->tx_urb || !ft1000dev->rx_urb) { + ret = -ENOMEM; + goto err_fw; + } + + numaltsetting = interface->num_altsetting; + pr_debug("number of alt settings is: %d\n", numaltsetting); + iface_desc = interface->cur_altsetting; + pr_debug("number of endpoints is: %d\n", + iface_desc->desc.bNumEndpoints); + pr_debug("descriptor type is: %d\n", iface_desc->desc.bDescriptorType); + pr_debug("interface number is: %d\n", + iface_desc->desc.bInterfaceNumber); + pr_debug("alternatesetting is: %d\n", + iface_desc->desc.bAlternateSetting); + pr_debug("interface class is: %d\n", iface_desc->desc.bInterfaceClass); + pr_debug("control endpoint info:\n"); + pr_debug("descriptor0 type -- %d\n", + iface_desc->endpoint[0].desc.bmAttributes); + pr_debug("descriptor1 type -- %d\n", + iface_desc->endpoint[1].desc.bmAttributes); + pr_debug("descriptor2 type -- %d\n", + iface_desc->endpoint[2].desc.bmAttributes); + + for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { + endpoint = + (struct usb_endpoint_descriptor *)&iface_desc-> + endpoint[i].desc; + pr_debug("endpoint %d\n", i); + pr_debug("bEndpointAddress=%x, bmAttributes=%x\n", + endpoint->bEndpointAddress, endpoint->bmAttributes); + if ((endpoint->bEndpointAddress & USB_DIR_IN) + && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_BULK)) { + ft1000dev->bulk_in_endpointAddr = + endpoint->bEndpointAddress; + pr_debug("in: %d\n", endpoint->bEndpointAddress); + } + + if (!(endpoint->bEndpointAddress & USB_DIR_IN) + && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_BULK)) { + ft1000dev->bulk_out_endpointAddr = + endpoint->bEndpointAddress; + pr_debug("out: %d\n", endpoint->bEndpointAddress); + } + } + + pr_debug("bulk_in=%d, bulk_out=%d\n", + ft1000dev->bulk_in_endpointAddr, + ft1000dev->bulk_out_endpointAddr); + + ret = request_firmware(&dsp_fw, "ft3000.img", &dev->dev); + if (ret < 0) { + dev_err(interface->usb_dev, "Error request_firmware()\n"); + goto err_fw; + } + + size = max_t(uint, dsp_fw->size, 4096); + pFileStart = kmalloc(size, GFP_KERNEL); + + if (!pFileStart) { + release_firmware(dsp_fw); + ret = -ENOMEM; + goto err_fw; + } + + memcpy(pFileStart, dsp_fw->data, dsp_fw->size); + FileLength = dsp_fw->size; + release_firmware(dsp_fw); + + pr_debug("start downloading dsp image...\n"); + + ret = init_ft1000_netdev(ft1000dev); + if (ret) + goto err_load; + + pft1000info = netdev_priv(ft1000dev->net); + + pr_debug("pft1000info=%p\n", pft1000info); + ret = dsp_reload(ft1000dev); + if (ret) { + dev_err(interface->usb_dev, + "Problem with DSP image loading\n"); + goto err_load; + } + + gPollingfailed = false; + ft1000dev->pPollThread = + kthread_run(ft1000_poll_thread, ft1000dev, "ft1000_poll"); + + if (IS_ERR(ft1000dev->pPollThread)) { + ret = PTR_ERR(ft1000dev->pPollThread); + goto err_load; + } + + msleep(500); + + while (!pft1000info->CardReady) { + if (gPollingfailed) { + ret = -EIO; + goto err_thread; + } + msleep(100); + pr_debug("Waiting for Card Ready\n"); + } + + pr_debug("Card Ready!!!! Registering network device\n"); + + ret = reg_ft1000_netdev(ft1000dev, interface); + if (ret) + goto err_thread; + + ft1000dev->NetDevRegDone = 1; + + return 0; + +err_thread: + kthread_stop(ft1000dev->pPollThread); +err_load: + kfree(pFileStart); +err_fw: + usb_free_urb(ft1000dev->rx_urb); + usb_free_urb(ft1000dev->tx_urb); + kfree(ft1000dev); + return ret; +} + +static void ft1000_disconnect(struct usb_interface *interface) +{ + struct ft1000_info *pft1000info; + struct ft1000_usb *ft1000dev; + + pft1000info = (struct ft1000_info *)usb_get_intfdata(interface); + pr_debug("In disconnect pft1000info=%p\n", pft1000info); + + if (pft1000info) { + ft1000dev = pft1000info->priv; + if (ft1000dev->pPollThread) + kthread_stop(ft1000dev->pPollThread); + + pr_debug("threads are terminated\n"); + + if (ft1000dev->net) { + pr_debug("destroy char driver\n"); + ft1000_destroy_dev(ft1000dev->net); + unregister_netdev(ft1000dev->net); + pr_debug("network device unregistered\n"); + free_netdev(ft1000dev->net); + + } + + usb_free_urb(ft1000dev->rx_urb); + usb_free_urb(ft1000dev->tx_urb); + + pr_debug("urb freed\n"); + + kfree(ft1000dev); + } + kfree(pFileStart); +} + +static struct usb_driver ft1000_usb_driver = { + .name = "ft1000usb", + .probe = ft1000_probe, + .disconnect = ft1000_disconnect, + .id_table = id_table, +}; + +module_usb_driver(ft1000_usb_driver); diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.h b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.h new file mode 100644 index 000000000..fea60d565 --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/ft1000_usb.h @@ -0,0 +1,150 @@ +#ifndef _FT1000_USB_H_ +#define _FT1000_USB_H_ + +#include "../ft1000.h" +#include "ft1000_ioctl.h" +#define FT1000_DRV_VER 0x01010403 + +#define MAX_NUM_APP 6 +#define MAX_MSG_LIMIT 200 +#define NUM_OF_FREE_BUFFERS 1500 + +#define PSEUDOSZ 16 + +struct app_info_block { + u32 nTxMsg; /* DPRAM msg sent to DSP with app_id */ + u32 nRxMsg; /* DPRAM msg rcv from dsp with app_id */ + u32 nTxMsgReject; /* DPRAM msg rejected due to DSP doorbell + * set + */ + u32 nRxMsgMiss; /* DPRAM msg dropped due to overflow */ + struct fown_struct *fileobject;/* Application's file object */ + u16 app_id; /* Application id */ + int DspBCMsgFlag; + int NumOfMsg; /* number of messages queued up */ + wait_queue_head_t wait_dpram_msg; + struct list_head app_sqlist; /* link list of msgs for applicaton on + * slow queue + */ +} __packed; + +#define FALSE 0 +#define TRUE 1 + +#define FT1000_STATUS_CLOSING 0x01 + +#define DSPBCMSGID 0x10 + +/* Electrabuzz specific DPRAM mapping */ +/* this is used by ft1000_usb driver - isn't that a bug? */ +#undef FT1000_DPRAM_RX_BASE +#define FT1000_DPRAM_RX_BASE 0x1800 /* RX AREA (SlowQ) */ + +/* MEMORY MAP FOR MAGNEMITE */ +/* the indexes are swapped comparing to PCMCIA - is it OK or a bug? */ +#undef FT1000_MAG_DSP_LED_INDX +#define FT1000_MAG_DSP_LED_INDX 0x1 /* dsp led status for PAD + * device + */ +#undef FT1000_MAG_DSP_CON_STATE_INDX +#define FT1000_MAG_DSP_CON_STATE_INDX 0x0 /* DSP Connection Status Info */ + +/* Maximum times trying to get ASIC out of reset */ +#define MAX_ASIC_RESET_CNT 20 + +#define MAX_BUF_SIZE 4096 + +struct ft1000_debug_dirs { + struct list_head list; + struct dentry *dent; + struct dentry *file; + int int_number; +}; + +struct ft1000_usb { + struct usb_device *dev; + struct net_device *net; + + u32 status; + + struct urb *rx_urb; + struct urb *tx_urb; + + u8 tx_buf[MAX_BUF_SIZE]; + u8 rx_buf[MAX_BUF_SIZE]; + + u8 bulk_in_endpointAddr; + u8 bulk_out_endpointAddr; + + struct task_struct *pPollThread; + unsigned char fcodeldr; + unsigned char bootmode; + unsigned char usbboot; + unsigned short dspalive; + bool fProvComplete; + bool fCondResetPend; + bool fAppMsgPend; + int DeviceCreated; + int NetDevRegDone; + u8 CardNumber; + u8 DeviceName[15]; + struct ft1000_debug_dirs nodes; + spinlock_t fifo_lock; + int appcnt; + struct app_info_block app_info[MAX_NUM_APP]; + u16 DrvMsgPend; + unsigned short tempbuf[32]; +} __packed; + + +struct dpram_blk { + struct list_head list; + u16 *pbuffer; +} __packed; + +int ft1000_read_register(struct ft1000_usb *ft1000dev, + u16 *Data, u16 nRegIndx); +int ft1000_write_register(struct ft1000_usb *ft1000dev, + u16 value, u16 nRegIndx); +int ft1000_read_dpram32(struct ft1000_usb *ft1000dev, + u16 indx, u8 *buffer, u16 cnt); +int ft1000_write_dpram32(struct ft1000_usb *ft1000dev, + u16 indx, u8 *buffer, u16 cnt); +int ft1000_read_dpram16(struct ft1000_usb *ft1000dev, + u16 indx, u8 *buffer, u8 highlow); +int ft1000_write_dpram16(struct ft1000_usb *ft1000dev, + u16 indx, u16 value, u8 highlow); +int fix_ft1000_read_dpram32(struct ft1000_usb *ft1000dev, + u16 indx, u8 *buffer); +int fix_ft1000_write_dpram32(struct ft1000_usb *ft1000dev, + u16 indx, u8 *buffer); + +extern void *pFileStart; +extern size_t FileLength; +extern int numofmsgbuf; + +int ft1000_close(struct net_device *dev); +int scram_dnldr(struct ft1000_usb *ft1000dev, void *pFileStart, + u32 FileLength); + +extern struct list_head freercvpool; + +/* lock to arbitrate free buffer list for receive command data */ +extern spinlock_t free_buff_lock; + +int ft1000_create_dev(struct ft1000_usb *dev); +void ft1000_destroy_dev(struct net_device *dev); +extern int card_send_command(struct ft1000_usb *ft1000dev, + void *ptempbuffer, int size); + +struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist); +void ft1000_free_buffer(struct dpram_blk *pdpram_blk, struct list_head *plist); + +int dsp_reload(struct ft1000_usb *ft1000dev); +int init_ft1000_netdev(struct ft1000_usb *ft1000dev); +struct usb_interface; +int reg_ft1000_netdev(struct ft1000_usb *ft1000dev, + struct usb_interface *intf); +int ft1000_poll(void *dev_id); + +#endif /* _FT1000_USB_H_ */ diff --git a/kernel/drivers/staging/ft1000/ft1000-usb/ft3000.img b/kernel/drivers/staging/ft1000/ft1000-usb/ft3000.img Binary files differnew file mode 100644 index 000000000..7bef6bd36 --- /dev/null +++ b/kernel/drivers/staging/ft1000/ft1000-usb/ft3000.img |