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// 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(struct net_device *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_device *dev);
static u8 tempbuffer[1600];
#define MAX_RCV_LOOP 100
//---------------------------------------------------------------------------
// Function: ft1000_control
//
// Parameters: ft1000_device - 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_device *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, LARGE_TIMEOUT);
if (ret > 0)
ret = 0;
return ret;
}
//---------------------------------------------------------------------------
// Function: ft1000_read_register
//
// Parameters: ft1000_device - 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_device *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,
LARGE_TIMEOUT);
return ret;
}
//---------------------------------------------------------------------------
// Function: ft1000_write_register
//
// Parameters: ft1000_device - 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_device *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,
LARGE_TIMEOUT);
return ret;
}
//---------------------------------------------------------------------------
// Function: ft1000_read_dpram32
//
// Parameters: ft1000_device - 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_device *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,
LARGE_TIMEOUT);
return ret;
}
//---------------------------------------------------------------------------
// Function: ft1000_write_dpram32
//
// Parameters: ft1000_device - 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_device *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,
LARGE_TIMEOUT);
return ret;
}
//---------------------------------------------------------------------------
// Function: ft1000_read_dpram16
//
// Parameters: ft1000_device - 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_device *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,
LARGE_TIMEOUT);
return ret;
}
//---------------------------------------------------------------------------
// Function: ft1000_write_dpram16
//
// Parameters: ft1000_device - 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_device *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,
LARGE_TIMEOUT);
return ret;
}
//---------------------------------------------------------------------------
// Function: fix_ft1000_read_dpram32
//
// Parameters: ft1000_device - 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_device *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_device - 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_device *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_device *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_device - 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_device *ft1000dev, void *ptempbuffer,
int size)
{
unsigned short temp;
unsigned char *commandbuf;
DEBUG("card_send_command: enter card_send_command... size=%d\n", size);
commandbuf = (unsigned char *)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_device *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_device *ft1000dev = info->pFt1000Dev;
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 interrrupt */
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_device *ft1000dev = info->pFt1000Dev;
u16 tempword;
struct prov_record *ptr;
DEBUG("ft1000_hw:ft1000_reset_card called.....\n");
info->fCondResetPend = 1;
info->CardReady = 0;
info->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;
info->fCondResetPend = 0;
return TRUE;
}
#ifdef HAVE_NET_DEVICE_OPS
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,
};
#endif
//---------------------------------------------------------------------------
// 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_device *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];
unsigned long 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 = strict_strtoul(card_nr, 10, &gCardIndex);
if (ret_val) {
printk(KERN_ERR "Can't parse netdev\n");
goto err_net;
}
pInfo->CardNumber = gCardIndex;
DEBUG("card number = %d\n", pInfo->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->pFt1000Dev = ft1000dev;
pInfo->DrvErrNum = 0;
pInfo->registered = 1;
pInfo->ft1000_reset = ft1000_reset;
pInfo->mediastate = 0;
pInfo->fifo_cnt = 0;
pInfo->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;
pInfo->fAppMsgPend = 0;
pInfo->fCondResetPend = 0;
pInfo->usbboot = 0;
pInfo->dspalive = 0;
memset(&pInfo->tempbuf[0], 0, sizeof(pInfo->tempbuf));
INIT_LIST_HEAD(&pInfo->prov_list);
INIT_LIST_HEAD(&pInfo->nodes.list);
#ifdef HAVE_NET_DEVICE_OPS
netdev->netdev_ops = &ftnet_ops;
#else
netdev->hard_start_xmit = &ft1000_start_xmit;
netdev->get_stats = &ft1000_netdev_stats;
netdev->open = &ft1000_open;
netdev->stop = &ft1000_close;
#endif
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_device *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;
}
static int ft1000_reset(struct net_device *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_device *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_device *pFt1000Dev = pInfo->pFt1000Dev;
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_device *pFt1000Dev = pInfo->pFt1000Dev;
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_device *ft1000dev = info->pFt1000Dev;
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_device *pFt1000Dev = info->pFt1000Dev;
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 timeval tv;
int ret;
DEBUG("ft1000_open is called for card %d\n", pInfo->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);
ret = ft1000_submit_rx_urb(pInfo);
return ret;
}
//---------------------------------------------------------------------------
// 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_device *ft1000dev = pInfo->pFt1000Dev;
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_device *dev)
{
u16 tempword;
u16 status;
struct ft1000_info *info = netdev_priv(dev->net);
if (info->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_device *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_device *dev = (struct ft1000_device *)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);
info->fProvComplete = 1;
info->CardReady = 1;
return STATUS_SUCCESS;
}
static int ft1000_proc_drvmsg(struct ft1000_device *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 (info->NetDevRegDone) {
netif_wake_queue(dev->
net);
}
info->mediastate = 1;
}
} else {
DEBUG("Media is down\n");
if (info->mediastate == 1) {
info->mediastate = 0;
if (info->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) {
info->fProvComplete = 0;
status = ft1000_dsp_prov(dev);
if (status != STATUS_SUCCESS)
goto out;
} else {
info->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 */
info->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);
info->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 */
info->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;
}
info->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_device *dev = (struct ft1000_device *)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 ( (info->app_info[i].DspBCMsgFlag) && (info->app_info[i].fileobject) &&
(info->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
info->app_info[i].nRxMsg++;
spin_lock_irqsave(&free_buff_lock, flags);
list_add_tail(&pdpram_blk->list, &info->app_info[i].app_sqlist);
info->app_info[i].NumOfMsg++;
spin_unlock_irqrestore(&free_buff_lock, flags);
wake_up_interruptible(&info->app_info[i].wait_dpram_msg);
}
else {
info->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");
info->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 (info->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 (info->app_info[i].NumOfMsg > MAX_MSG_LIMIT) {
// Put memory back to free pool
ft1000_free_buffer(pdpram_blk, &freercvpool);
}
else {
info->app_info[i].nRxMsg++;
// Put message into the appropriate application block
list_add_tail(&pdpram_blk->list, &info->app_info[i].app_sqlist);
info->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 (info->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 {
info->fProvComplete = 0;
info->fCondResetPend = 1;
}
ft1000_write_register(dev, FT1000_DB_COND_RESET, FT1000_REG_DOORBELL);
}
}
return STATUS_SUCCESS;
}
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