diff options
Diffstat (limited to 'drivers/staging/ft1000/ft1000-usb/ft1000_hw.c')
| -rw-r--r-- | drivers/staging/ft1000/ft1000-usb/ft1000_hw.c | 1948 |
1 files changed, 1948 insertions, 0 deletions
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c new file mode 100644 index 00000000..9b8fed7b --- /dev/null +++ b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c @@ -0,0 +1,1948 @@ +//===================================================== +// CopyRight (C) 2007 Qualcomm Inc. All Rights Reserved. +// +// +// This file is part of Express Card USB Driver +// +// $Id: +//==================================================== +#include <linux/init.h> +#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 + +//#define JDEBUG + +static int ft1000_reset(void *ft1000dev); +static int ft1000_submit_rx_urb(struct ft1000_info *info); +static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev); +static int ft1000_open (struct net_device *dev); +static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev); +static int ft1000_chkcard (struct ft1000_usb *dev); + +static u8 tempbuffer[1600]; + +#define MAX_RCV_LOOP 100 + +//--------------------------------------------------------------------------- +// Function: ft1000_control +// +// 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 +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function sends a control message via USB interface synchronously +// +// Notes: +// +//--------------------------------------------------------------------------- +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) +{ + u16 ret; + + if ((ft1000dev == NULL) || (ft1000dev->dev == NULL)) { + 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; +} + +//--------------------------------------------------------------------------- +// Function: ft1000_read_register +// +// Parameters: ft1000_usb - device structure +// Data - data buffer to hold the value read +// nRegIndex - register index +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function returns the value in a register +// +// Notes: +// +//--------------------------------------------------------------------------- + +int ft1000_read_register(struct ft1000_usb *ft1000dev, u16* Data, + u16 nRegIndx) +{ + int ret = STATUS_SUCCESS; + + 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; +} + +//--------------------------------------------------------------------------- +// Function: ft1000_write_register +// +// Parameters: ft1000_usb - device structure +// value - value to write into a register +// nRegIndex - register index +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function writes the value in a register +// +// Notes: +// +//--------------------------------------------------------------------------- +int ft1000_write_register(struct ft1000_usb *ft1000dev, u16 value, + u16 nRegIndx) +{ + int ret = STATUS_SUCCESS; + + 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; +} + +//--------------------------------------------------------------------------- +// Function: ft1000_read_dpram32 +// +// Parameters: ft1000_usb - device structure +// indx - starting address to read +// buffer - data buffer to hold the data read +// cnt - number of byte read from DPRAM +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function read a number of bytes from DPRAM +// +// Notes: +// +//--------------------------------------------------------------------------- + +int ft1000_read_dpram32(struct ft1000_usb *ft1000dev, u16 indx, u8 *buffer, + u16 cnt) +{ + int ret = STATUS_SUCCESS; + + 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; +} + +//--------------------------------------------------------------------------- +// Function: ft1000_write_dpram32 +// +// Parameters: ft1000_usb - device structure +// indx - starting address to write the data +// buffer - data buffer to write into DPRAM +// cnt - number of bytes to write +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function writes into DPRAM a number of bytes +// +// Notes: +// +//--------------------------------------------------------------------------- +int ft1000_write_dpram32(struct ft1000_usb *ft1000dev, u16 indx, u8 *buffer, + u16 cnt) +{ + int ret = STATUS_SUCCESS; + + 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; +} + +//--------------------------------------------------------------------------- +// Function: ft1000_read_dpram16 +// +// Parameters: ft1000_usb - device structure +// indx - starting address to read +// buffer - data buffer to hold the data read +// hightlow - high or low 16 bit word +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function read 16 bits from DPRAM +// +// Notes: +// +//--------------------------------------------------------------------------- +int ft1000_read_dpram16(struct ft1000_usb *ft1000dev, u16 indx, u8 *buffer, + u8 highlow) +{ + int ret = STATUS_SUCCESS; + 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; +} + +//--------------------------------------------------------------------------- +// Function: ft1000_write_dpram16 +// +// Parameters: ft1000_usb - device structure +// indx - starting address to write the data +// value - 16bits value to write +// hightlow - high or low 16 bit word +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function writes into DPRAM a number of bytes +// +// Notes: +// +//--------------------------------------------------------------------------- +int ft1000_write_dpram16(struct ft1000_usb *ft1000dev, u16 indx, u16 value, u8 highlow) +{ + int ret = STATUS_SUCCESS; + 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; +} + +//--------------------------------------------------------------------------- +// Function: fix_ft1000_read_dpram32 +// +// Parameters: ft1000_usb - device structure +// indx - starting address to read +// buffer - data buffer to hold the data read +// +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function read DPRAM 4 words at a time +// +// Notes: +// +//--------------------------------------------------------------------------- +int fix_ft1000_read_dpram32(struct ft1000_usb *ft1000dev, u16 indx, + u8 *buffer) +{ + u8 buf[16]; + u16 pos; + int ret = STATUS_SUCCESS; + + pos = (indx / 4) * 4; + ret = ft1000_read_dpram32(ft1000dev, pos, buf, 16); + + if (ret == STATUS_SUCCESS) { + pos = (indx % 4) * 4; + *buffer++ = buf[pos++]; + *buffer++ = buf[pos++]; + *buffer++ = buf[pos++]; + *buffer++ = buf[pos++]; + } else { + DEBUG("fix_ft1000_read_dpram32: DPRAM32 Read failed\n"); + *buffer++ = 0; + *buffer++ = 0; + *buffer++ = 0; + *buffer++ = 0; + } + + return ret; +} + + +//--------------------------------------------------------------------------- +// Function: fix_ft1000_write_dpram32 +// +// Parameters: ft1000_usb - device structure +// indx - starting address to write +// buffer - data buffer to write +// +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function write to DPRAM 4 words at a time +// +// Notes: +// +//--------------------------------------------------------------------------- +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 = STATUS_SUCCESS; + + pos1 = (indx / 4) * 4; + pdata = buffer; + ret = ft1000_read_dpram32(ft1000dev, pos1, buf, 16); + + if (ret == STATUS_SUCCESS) { + 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 { + DEBUG("fix_ft1000_write_dpram32: DPRAM32 Read failed\n"); + return ret; + } + + ret = ft1000_read_dpram32(ft1000dev, pos1, (u8 *)&resultbuffer[0], 16); + + if (ret == STATUS_SUCCESS) { + buffer = pdata; + for (i = 0; i < 16; i++) { + if (buf[i] != resultbuffer[i]) + ret = STATUS_FAILURE; + } + } + + if (ret == STATUS_FAILURE) { + ret = ft1000_write_dpram32(ft1000dev, pos1, + (u8 *)&tempbuffer[0], 16); + ret = ft1000_read_dpram32(ft1000dev, pos1, + (u8 *)&resultbuffer[0], 16); + if (ret == STATUS_SUCCESS) { + buffer = pdata; + for (i = 0; i < 16; i++) { + if (tempbuffer[i] != resultbuffer[i]) { + ret = STATUS_FAILURE; + DEBUG("%s Failed to write\n", + __func__); + } + } + } + } + + return ret; +} + + +//------------------------------------------------------------------------ +// +// Function: card_reset_dsp +// +// Synopsis: This function is called to reset or activate the DSP +// +// Arguments: value - reset or activate +// +// Returns: None +//----------------------------------------------------------------------- +static void card_reset_dsp(struct ft1000_usb *ft1000dev, bool value) +{ + u16 status = STATUS_SUCCESS; + 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) { + 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 { + 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); + } +} + +//--------------------------------------------------------------------------- +// Function: card_send_command +// +// Parameters: ft1000_usb - device structure +// ptempbuffer - command buffer +// size - command buffer size +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function sends a command to ASIC +// +// Notes: +// +//--------------------------------------------------------------------------- +void card_send_command(struct ft1000_usb *ft1000dev, void *ptempbuffer, + int size) +{ + unsigned short temp; + unsigned char *commandbuf; + + DEBUG("card_send_command: enter card_send_command... size=%d\n", size); + + commandbuf = kmalloc(size + 2, GFP_KERNEL); + memcpy((void *)commandbuf + 2, (void *)ptempbuffer, size); + + ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL); + + if (temp & 0x0100) + msleep(10); + + /* check for odd word */ + size = size + 2; + + /* Must force to be 32 bit aligned */ + if (size % 4) + size += 4 - (size % 4); + + ft1000_write_dpram32(ft1000dev, 0, commandbuf, size); + msleep(1); + ft1000_write_register(ft1000dev, FT1000_DB_DPRAM_TX, + FT1000_REG_DOORBELL); + msleep(1); + + ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL); + + if ((temp & 0x0100) == 0) { + //DEBUG("card_send_command: Message sent\n"); + } + +} + +//-------------------------------------------------------------------------- +// +// Function: dsp_reload +// +// Synopsis: This function is called to load or reload the DSP +// +// Arguments: ft1000dev - device structure +// +// Returns: None +//----------------------------------------------------------------------- +int dsp_reload(struct ft1000_usb *ft1000dev) +{ + u16 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); + 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); + DEBUG("templong (fefe) = 0x%8x\n", templong); + + /* call codeloader */ + status = scram_dnldr(ft1000dev, pFileStart, FileLength); + + if (status != STATUS_SUCCESS) + return -EIO; + + msleep(1000); + + DEBUG("dsp_reload returned\n"); + + return 0; +} + +//--------------------------------------------------------------------------- +// +// Function: ft1000_reset_asic +// Description: This function will call the Card Service function to reset the +// ASIC. +// Input: +// dev - device structure +// Output: +// none +// +//--------------------------------------------------------------------------- +static void ft1000_reset_asic(struct net_device *dev) +{ + struct ft1000_info *info = netdev_priv(dev); + struct ft1000_usb *ft1000dev = info->priv; + u16 tempword; + + DEBUG("ft1000_hw:ft1000_reset_asic called\n"); + + /* 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); + DEBUG("ft1000_hw: 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); + DEBUG("ft1000_hw: interrupt status register = 0x%x\n", tempword); +} + + +//--------------------------------------------------------------------------- +// +// Function: ft1000_reset_card +// Description: This function will reset the card +// Input: +// dev - device structure +// Output: +// status - FALSE (card reset fail) +// TRUE (card reset successful) +// +//--------------------------------------------------------------------------- +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; + + DEBUG("ft1000_hw:ft1000_reset_card called.....\n"); + + ft1000dev->fCondResetPend = 1; + info->CardReady = 0; + ft1000dev->fProvComplete = 0; + + /* Make sure we free any memory reserve for provisioning */ + while (list_empty(&info->prov_list) == 0) { + DEBUG("ft1000_reset_card:deleting provisioning record\n"); + ptr = + list_entry(info->prov_list.next, struct prov_record, list); + list_del(&ptr->list); + kfree(ptr->pprov_data); + kfree(ptr); + } + + DEBUG("ft1000_hw:ft1000_reset_card: reset asic\n"); + ft1000_reset_asic(dev); + + DEBUG("ft1000_hw:ft1000_reset_card: call dsp_reload\n"); + dsp_reload(ft1000dev); + + 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); + DEBUG("ft1000_hw:ft1000_reset_card:hi_ho value = 0x%x\n", tempword); + + info->CardReady = 1; + + ft1000dev->fCondResetPend = 0; + + return TRUE; +} + +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, +}; + + +//--------------------------------------------------------------------------- +// Function: init_ft1000_netdev +// +// Parameters: ft1000dev - device structure +// +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function initialize the network device +// +// Notes: +// +//--------------------------------------------------------------------------- +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; + + DEBUG("Enter init_ft1000_netdev...\n"); + + netdev = alloc_etherdev(sizeof(struct ft1000_info)); + if (!netdev) { + DEBUG("init_ft1000_netdev: 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); + + DEBUG("init_ft1000_netdev: 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) { + printk(KERN_ERR "Can't parse netdev\n"); + goto err_net; + } + + ft1000dev->CardNumber = gCardIndex; + DEBUG("card number = %d\n", ft1000dev->CardNumber); + } else { + printk(KERN_ERR "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 = 0; + ft1000dev->fCondResetPend = 0; + 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; + + 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; +} + +//--------------------------------------------------------------------------- +// Function: reg_ft1000_netdev +// +// Parameters: ft1000dev - device structure +// +// +// Returns: STATUS_SUCCESS - success +// STATUS_FAILURE - failure +// +// Description: This function register the network driver +// +// Notes: +// +//--------------------------------------------------------------------------- +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); + DEBUG("Enter reg_ft1000_netdev...\n"); + + 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) { + DEBUG("reg_ft1000_netdev: could not register network device\n"); + free_netdev(netdev); + return rc; + } + + ft1000_create_dev(ft1000dev); + + DEBUG("reg_ft1000_netdev returned\n"); + + pInfo->CardReady = 1; + + return 0; +} + +int ft1000_reset(void *dev) +{ + ft1000_reset_card(dev); + return 0; +} + +//--------------------------------------------------------------------------- +// Function: ft1000_usb_transmit_complete +// +// Parameters: urb - transmitted usb urb +// +// +// Returns: none +// +// Description: This is the callback function when a urb is transmitted +// +// Notes: +// +//--------------------------------------------------------------------------- +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); +} + +//--------------------------------------------------------------------------- +// +// Function: ft1000_copy_down_pkt +// Description: This function will take an ethernet packet and convert it to +// a Flarion packet prior to sending it to the ASIC Downlink +// FIFO. +// Input: +// dev - device structure +// packet - address of ethernet packet +// len - length of IP packet +// Output: +// status - FAILURE +// SUCCESS +// +//--------------------------------------------------------------------------- +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) { + DEBUG("ft1000_copy_down_pkt::Card Not Ready\n"); + return -ENODEV; + } + + count = sizeof(struct pseudo_hdr) + len; + if (count > MAX_BUF_SIZE) { + DEBUG("Error:ft1000_copy_down_pkt:Message Size Overflow!\n"); + DEBUG("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, (void *)pFt1000Dev); + + t = (u8 *) pFt1000Dev->tx_urb->transfer_buffer; + + ret = usb_submit_urb(pFt1000Dev->tx_urb, GFP_ATOMIC); + + if (ret) { + DEBUG("ft1000 failed tx_urb %d\n", ret); + return ret; + } else { + pInfo->stats.tx_packets++; + pInfo->stats.tx_bytes += (len + 14); + } + + return 0; +} + + +//--------------------------------------------------------------------------- +// Function: ft1000_start_xmit +// +// Parameters: skb - socket buffer to be sent +// dev - network device +// +// +// Returns: none +// +// Description: transmit a ethernet packet +// +// Notes: +// +//--------------------------------------------------------------------------- +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) { + DEBUG("ft1000_hw: ft1000_start_xmit:skb == NULL!!!\n"); + return NETDEV_TX_OK; + } + + if (pFt1000Dev->status & FT1000_STATUS_CLOSING) { + 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 */ + DEBUG("ft1000_hw:ft1000_start_xmit:mediastate is down\n"); + goto err; + } + + if ((skb->len < ENET_HEADER_SIZE) || (skb->len > ENET_MAX_SIZE)) { + /* Drop packet which has invalid size */ + DEBUG("ft1000_hw:ft1000_start_xmit: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; +} + + +//--------------------------------------------------------------------------- +// +// Function: ft1000_copy_up_pkt +// Description: This function will take a packet from the FIFO up link and +// convert it into an ethernet packet and deliver it to the IP stack +// Input: +// urb - the receiving usb urb +// +// Output: +// status - FAILURE +// SUCCESS +// +//--------------------------------------------------------------------------- +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) { + DEBUG("network driver is closed, return\n"); + return STATUS_SUCCESS; + } + // 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 STATUS_FAILURE; + } + + skb = dev_alloc_skb(len + 12 + 2); + + if (skb == NULL) { + DEBUG("ft1000_copy_up_pkt: No Network buffers available\n"); + info->stats.rx_errors++; + ft1000_submit_rx_urb(info); + return STATUS_FAILURE; + } + + 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 SUCCESS; +} + + +//--------------------------------------------------------------------------- +// +// Function: ft1000_submit_rx_urb +// Description: the receiving function of the network driver +// +// Input: +// info - a private structure contains the device information +// +// Output: +// status - FAILURE +// SUCCESS +// +//--------------------------------------------------------------------------- +static int ft1000_submit_rx_urb(struct ft1000_info *info) +{ + int result; + struct ft1000_usb *pFt1000Dev = info->priv; + + if (pFt1000Dev->status & FT1000_STATUS_CLOSING) { + 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("ft1000_submit_rx_urb: submitting rx_urb %d failed\n", + result); + return result; + } + + return 0; +} + + +//--------------------------------------------------------------------------- +// Function: ft1000_open +// +// Parameters: +// dev - network device +// +// +// Returns: none +// +// Description: open the network driver +// +// Notes: +// +//--------------------------------------------------------------------------- +static int ft1000_open(struct net_device *dev) +{ + struct ft1000_info *pInfo = netdev_priv(dev); + struct ft1000_usb *pFt1000Dev = pInfo->priv; + struct timeval tv; + + 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); +} + +//--------------------------------------------------------------------------- +// Function: ft1000_close +// +// Parameters: +// net - network device +// +// +// Returns: none +// +// Description: close the network driver +// +// Notes: +// +//--------------------------------------------------------------------------- +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; + + DEBUG("ft1000_close: 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; +} + +static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev) +{ + struct ft1000_info *info = netdev_priv(dev); + + return &(info->stats); +} + + +//--------------------------------------------------------------------------- +// +// Function: ft1000_chkcard +// Description: This function will check if the device is presently available on +// the system. +// Input: +// dev - device structure +// Output: +// status - FALSE (device is not present) +// TRUE (device is present) +// +//--------------------------------------------------------------------------- +static int ft1000_chkcard(struct ft1000_usb *dev) +{ + u16 tempword; + u16 status; + + if (dev->fCondResetPend) { + DEBUG + ("ft1000_hw:ft1000_chkcard: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) { + DEBUG + ("ft1000_hw:ft1000_chkcard: 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; + DEBUG + ("ft1000_hw:ft1000_chkcard: Version = 0xffff Card not detected\n"); + return FALSE; + } + return TRUE; +} + +//--------------------------------------------------------------------------- +// +// Function: ft1000_receive_cmd +// Description: This function will read a message from the dpram area. +// Input: +// dev - network device structure +// pbuffer - caller supply address to buffer +// pnxtph - pointer to next pseudo header +// Output: +// Status = 0 (unsuccessful) +// = 1 (successful) +// +//--------------------------------------------------------------------------- +static bool ft1000_receive_cmd(struct ft1000_usb *dev, u16 *pbuffer, + int maxsz, u16 *pnxtph) +{ + u16 size, 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) { + DEBUG("FT1000:ft1000_receive_cmd:Invalid command length = %d\n", + size); + return FALSE; + } else { + 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; + u16 status; + u16 TempShortBuf[256]; + + DEBUG("*** DspProv Entered\n"); + + while (list_empty(&info->prov_list) == 0) { + DEBUG("DSP Provisioning List Entry\n"); + + /* Check if doorbell is available */ + DEBUG("check if doorbell is cleared\n"); + status = + ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL); + if (status) { + DEBUG("ft1000_dsp_prov::ft1000_read_register error\n"); + break; + } + + while (tempword & FT1000_DB_DPRAM_TX) { + mdelay(10); + i++; + if (i == 10) { + DEBUG("FT1000:ft1000_dsp_prov:message drop\n"); + return STATUS_FAILURE; + } + ft1000_read_register(dev, &tempword, + FT1000_REG_DOORBELL); + } + + if (!(tempword & FT1000_DB_DPRAM_TX)) { + 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); + } + msleep(10); + } + + DEBUG("DSP Provisioning List Entry finished\n"); + + msleep(100); + + dev->fProvComplete = 1; + info->CardReady = 1; + + return STATUS_SUCCESS; +} + +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; + u16 status; + union { + u8 byte[2]; + u16 wrd; + } convert; + + char *cmdbuffer = kmalloc(1600, GFP_KERNEL); + if (!cmdbuffer) + return STATUS_FAILURE; + + status = ft1000_read_dpram32(dev, 0x200, cmdbuffer, size); + +#ifdef JDEBUG + DEBUG("ft1000_proc_drvmsg:cmdbuffer\n"); + for (i = 0; i < size; i += 5) { + if ((i + 5) < size) + DEBUG("0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n", cmdbuffer[i], + cmdbuffer[i + 1], cmdbuffer[i + 2], + cmdbuffer[i + 3], cmdbuffer[i + 4]); + else { + for (j = i; j < size; j++) + DEBUG("0x%x ", cmdbuffer[j]); + DEBUG("\n"); + break; + } + } +#endif + pdrvmsg = (struct drv_msg *)&cmdbuffer[2]; + msgtype = ntohs(pdrvmsg->type); + DEBUG("ft1000_proc_drvmsg:Command message type = 0x%x\n", msgtype); + switch (msgtype) { + case MEDIA_STATE:{ + DEBUG + ("ft1000_proc_drvmsg:Command message type = MEDIA_STATE"); + + pmediamsg = (struct media_msg *)&cmdbuffer[0]; + if (info->ProgConStat != 0xFF) { + if (pmediamsg->state) { + DEBUG("Media is up\n"); + if (info->mediastate == 0) { + if (dev->NetDevRegDone) { + netif_wake_queue(dev-> + net); + } + info->mediastate = 1; + } + } else { + DEBUG("Media is down\n"); + if (info->mediastate == 1) { + info->mediastate = 0; + if (dev->NetDevRegDone) { + } + info->ConTm = 0; + } + } + } else { + DEBUG("Media is down\n"); + if (info->mediastate == 1) { + info->mediastate = 0; + info->ConTm = 0; + } + } + break; + } + case DSP_INIT_MSG:{ + DEBUG + ("ft1000_proc_drvmsg:Command message type = DSP_INIT_MSG"); + + pdspinitmsg = (struct dsp_init_msg *)&cmdbuffer[2]; + memcpy(info->DspVer, pdspinitmsg->DspVer, DSPVERSZ); + 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); + 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); + DEBUG("RFCalVer = 0x%2x 0x%2x\n", + info->RfCalVer[0], info->RfCalVer[1]); + } + break; + } + case DSP_PROVISION:{ + DEBUG + ("ft1000_proc_drvmsg: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 = 0; + status = ft1000_dsp_prov(dev); + if (status != STATUS_SUCCESS) + goto out; + } else { + dev->fProvComplete = 1; + status = + ft1000_write_register(dev, FT1000_DB_HB, + FT1000_REG_DOORBELL); + DEBUG + ("FT1000:drivermsg:No more DSP provisioning data in dsp image\n"); + } + DEBUG("ft1000_proc_drvmsg:DSP PROVISION is done\n"); + break; + } + case DSP_STORE_INFO:{ + DEBUG + ("ft1000_proc_drvmsg:Command message type = DSP_STORE_INFO"); + + DEBUG("FT1000:drivermsg:Got DSP_STORE_INFO\n"); + 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++) { + DEBUG + ("FT1000:drivermsg:dsp info data = 0x%x\n", + *pmsg); + info->DSPInfoBlk[i + 10] = *pmsg++; + } + } else { + info->DSPInfoBlklen = 0; + } + break; + } + case DSP_GET_INFO:{ + DEBUG("FT1000:drivermsg: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:{ + DEBUG("FT1000:drivermsg: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); + + card_send_command(dev, + (unsigned char *)&tempbuffer[0], + (u16) (0x0012 + PSEUDOSZ)); + info->DrvErrNum = 0; + } + dev->DrvMsgPend = 0; + + break; + } + + default: + break; + } + + status = STATUS_SUCCESS; +out: + kfree(cmdbuffer); + DEBUG("return from ft1000_proc_drvmsg\n"); + return status; +} + +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; + u16 status; + u16 size; + int i; + u16 data; + u16 modulo; + u16 portid; + u16 nxtph; + struct dpram_blk *pdpram_blk; + struct pseudo_hdr *ppseudo_hdr; + unsigned long flags; + + if (ft1000_chkcard(dev) == FALSE) { + DEBUG("ft1000_poll::ft1000_chkcard: failed\n"); + return STATUS_FAILURE; + } + + 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: + DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid DRIVERID\n"); + + status = ft1000_proc_drvmsg (dev, size); + if (status != STATUS_SUCCESS ) + return status; + break; + case DSPBCMSGID: + // This is a dsp broadcast message + // Check which application has registered for dsp broadcast messages + + 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) ) + { + nxtph = FT1000_DPRAM_RX_BASE + 2; + pdpram_blk = ft1000_get_buffer (&freercvpool); + if (pdpram_blk != NULL) { + if ( ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE, &nxtph) ) { + ppseudo_hdr = (struct pseudo_hdr *)pdpram_blk->pbuffer; + // 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++; + // Put memory back to free pool + ft1000_free_buffer(pdpram_blk, &freercvpool); + DEBUG("pdpram_blk::ft1000_get_buffer NULL\n"); + } + } + else { + DEBUG("Out of memory in free receive command pool\n"); + dev->app_info[i].nRxMsgMiss++; + } + } + } + break; + default: + pdpram_blk = ft1000_get_buffer (&freercvpool); + + if (pdpram_blk != NULL) { + if ( ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE, &nxtph) ) { + ppseudo_hdr = (struct pseudo_hdr *)pdpram_blk->pbuffer; + // Search for correct application block + for (i=0; i<MAX_NUM_APP; i++) { + if (dev->app_info[i].app_id == ppseudo_hdr->portdest) { + break; + } + } + + if (i == MAX_NUM_APP) { + DEBUG("FT1000:ft1000_parse_dpram_msg: No application matching id = %d\n", ppseudo_hdr->portdest); + // Put memory back to free pool + ft1000_free_buffer(pdpram_blk, &freercvpool); + } + else { + if (dev->app_info[i].NumOfMsg > MAX_MSG_LIMIT) { + // Put memory back to free pool + ft1000_free_buffer(pdpram_blk, &freercvpool); + } + 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++; + } + } + } + else { + // Put memory back to free pool + ft1000_free_buffer(pdpram_blk, &freercvpool); + } + } + else { + DEBUG("Out of memory in free receive command pool\n"); + } + break; + } + } + else { + DEBUG("FT1000:dpc: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); + msleep(10); + i++; + if (i==100) + break; + } + if (i==100) { + DEBUG("Unable to reset ASIC\n"); + return STATUS_SUCCESS; + } + msleep(10); + // 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); + msleep(10); + } + else if (tempword & FT1000_ASIC_RESET_REQ) { + DEBUG("ft1000_poll: 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); + // Program WMARK register + 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) { + DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_COND_RESET\n"); + + if (dev->fAppMsgPend == 0) { + // 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; + DEBUG("ft1000_hw:DSP conditional reset requested\n"); + info->ft1000_reset(dev->net); + } + else { + dev->fProvComplete = 0; + dev->fCondResetPend = 1; + } + + ft1000_write_register(dev, FT1000_DB_COND_RESET, FT1000_REG_DOORBELL); + } + + } + + return STATUS_SUCCESS; + +} |