/* Extract info for Tcp socket info provided via netlink. */
static void tcp_illinois_info(struct sock *sk, u32 ext,
struct sk_buff *skb)
{
const struct illinois *ca = (struct illinois *) inet_csk_ca(sk);
if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
struct tcpvegas_info info = {
.tcpv_enabled = 1,
.tcpv_rttcnt = ca->cnt_rtt,
.tcpv_minrtt = ca->base_rtt,
};
u64 t = ca->sum_rtt;
do_div(t, ca->cnt_rtt);
info.tcpv_rtt = t;
nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
}
}
static struct tcp_congestion_ops tcp_illinois = {
.flags = TCP_CONG_RTT_STAMP,
.init = tcp_illinois_init,
.ssthresh = tcp_illinois_ssthresh,
.min_cwnd = tcp_reno_min_cwnd,
.cong_avoid = tcp_illinois_cong_avoid,
.set_state = tcp_illinois_state,
.get_info = tcp_illinois_info,
.pkts_acked = tcp_illinois_acked,
.owner = THIS_MODULE,
.name = "illinois",
};
static int __init tcp_illinois_register(void)
{
BUILD_BUG_ON(sizeof(struct illinois) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&tcp_illinois);
}
/*static void __exit tcp_illinois_unregister(void)
{
tcp_unregister_congestion_control(&tcp_illinois);
}*/
module_init(tcp_illinois_register);
module_exit(tcp_illinois_unregister);
MODULE_AUTHOR("Stephen Hemminger, Shao Liu");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("TCP Illinois");
MODULE_VERSION("1.0");
void spm_deepidle_init(void)
{
#if defined (CONFIG_OF)
struct device_node *node;
struct resource r;
/* mcucfg */
node = of_find_compatible_node(NULL, NULL, MCUCFG_NODE);
if (!node)
{
spm_err("error: cannot find node " MCUCFG_NODE);
BUG();
}
if (of_address_to_resource(node, 0, &r)) {
spm_err("error: cannot get phys addr" MCUCFG_NODE);
BUG();
}
mcucfg_phys_base = r.start;
mcucfg_base = (unsigned long)of_iomap(node, 0);
if(!mcucfg_base) {
spm_err("error: cannot iomap " MCUCFG_NODE);
BUG();
}
printk("mcucfg_base = 0x%u\n", (unsigned int)mcucfg_base);
#endif
#if SPM_USE_TWAM_DEBUG
unsigned long flags;
struct twam_sig twamsig = {
.sig0 = 26, /* md1_srcclkena */
.sig1 = 22, /* md_apsrc_req_mux */
.sig2 = 25, /* md2_srcclkena */
.sig3 = 21, /* md2_apsrc_req_mux */
//.sig2 = 23, /* conn_srcclkena */
//.sig3 = 20, /* conn_apsrc_req */
};
#if 0
spin_lock_irqsave(&__spm_lock, flags);
spm_write(SPM_AP_STANBY_CON, spm_read(SPM_AP_STANBY_CON) | ASC_MD_DDR_EN_SEL);
spin_unlock_irqrestore(&__spm_lock, flags);
#endif
spm_twam_register_handler(twam_handler);
spm_twam_enable_monitor(&twamsig, false,SPM_TWAM_MONITOR_TICK);
#endif
}
MODULE_DESCRIPTION("SPM-DPIdle Driver v0.1");
static int hb_cpufreq_driver_init(void)
{
struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
struct device *cpu_dev;
struct clk *cpu_clk;
struct device_node *np;
int ret;
if (!of_machine_is_compatible("calxeda,highbank"))
return -ENODEV;
cpu_dev = get_cpu_device(0);
if (!cpu_dev) {
pr_err("failed to get highbank cpufreq device\n");
return -ENODEV;
}
np = of_node_get(cpu_dev->of_node);
if (!np) {
pr_err("failed to find highbank cpufreq node\n");
return -ENOENT;
}
cpu_clk = clk_get(cpu_dev, NULL);
if (IS_ERR(cpu_clk)) {
ret = PTR_ERR(cpu_clk);
pr_err("failed to get cpu0 clock: %d\n", ret);
goto out_put_node;
}
ret = clk_notifier_register(cpu_clk, &hb_cpufreq_clk_nb);
if (ret) {
pr_err("failed to register clk notifier: %d\n", ret);
goto out_put_node;
}
/* Instantiate cpufreq-cpu0 */
platform_device_register_full(&devinfo);
out_put_node:
of_node_put(np);
return ret;
}
module_init(hb_cpufreq_driver_init);
MODULE_AUTHOR("Mark Langsdorf <*****@*****.**>");
MODULE_DESCRIPTION("Calxeda Highbank cpufreq driver");
MODULE_LICENSE("GPL");
void testInfos(const char *className, const char *methodName, const char *classPath, const char *type_of_test, const char *language)
{
const std::string& module_name = sbf::pkg::Module::get( "vgd", "0-5" )->getName();
std::string module_description = sbf::pkg::Module::get()->getDescription();
boost::filesystem::path initial_path = boost::filesystem::current_path();
initial_path = initial_path.parent_path();
boost::filesystem::path sourcePath( initial_path / "include" / module_name / classPath );
TYPE_OF_TEST(type_of_test);
TESTED_MODULE(module_name.c_str());
MODULE_DESCRIPTION(module_description.c_str());
TESTED_CLASS(className);
TESTED_METHOD(methodName);
TESTED_CLASSPATH(sourcePath.string().c_str());
LANGUAGE(language);
}
void spm_deepidle_init(void)
{
#if SPM_USE_TWAM_DEBUG
unsigned long flags;
struct twam_sig twamsig = {
.sig0 = 26, /* md1_srcclkena */
.sig1 = 22, /* md_apsrc_req_mux */
.sig2 = 25, /* md2_srcclkena */
.sig3 = 21, /* md2_apsrc_req_mux */
//.sig2 = 23, /* conn_srcclkena */
//.sig3 = 20, /* conn_apsrc_req */
};
#if 0
spin_lock_irqsave(&__spm_lock, flags);
spm_write(SPM_AP_STANBY_CON, spm_read(SPM_AP_STANBY_CON) | ASC_MD_DDR_EN_SEL);
spin_unlock_irqrestore(&__spm_lock, flags);
#endif
spm_twam_register_handler(twam_handler);
spm_twam_enable_monitor(&twamsig, false,SPM_TWAM_MONITOR_TICK);
#endif
}
MODULE_DESCRIPTION("SPM-DPIdle Driver v0.1");
static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
static const struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
| WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "SC520",
};
switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
case WDIOC_SETOPTIONS:
{
int new_options, retval = -EINVAL;
if (get_user(new_options, p))
return -EFAULT;
if (new_options & WDIOS_DISABLECARD) {
wdt_turnoff();
retval = 0;
}
if (new_options & WDIOS_ENABLECARD) {
wdt_startup();
retval = 0;
}
return retval;
}
case WDIOC_KEEPALIVE:
wdt_keepalive();
return 0;
case WDIOC_SETTIMEOUT:
{
int new_timeout;
if (get_user(new_timeout, p))
return -EFAULT;
if (wdt_set_heartbeat(new_timeout))
return -EINVAL;
wdt_keepalive();
}
case WDIOC_GETTIMEOUT:
return put_user(timeout, p);
default:
return -ENOTTY;
}
}
static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = fop_write,
.open = fop_open,
.release = fop_close,
.unlocked_ioctl = fop_ioctl,
};
static struct miscdevice wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wdt_fops,
};
static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT)
wdt_turnoff();
return NOTIFY_DONE;
}
static struct notifier_block wdt_notifier = {
.notifier_call = wdt_notify_sys,
};
static void __exit sc520_wdt_unload(void)
{
if (!nowayout)
wdt_turnoff();
misc_deregister(&wdt_miscdev);
unregister_reboot_notifier(&wdt_notifier);
iounmap(wdtmrctl);
}
static int __init sc520_wdt_init(void)
{
int rc = -EBUSY;
if (wdt_set_heartbeat(timeout)) {
wdt_set_heartbeat(WATCHDOG_TIMEOUT);
pr_info("timeout value must be 1 <= timeout <= 3600, using %d\n",
WATCHDOG_TIMEOUT);
}
wdtmrctl = ioremap(MMCR_BASE + OFFS_WDTMRCTL, 2);
if (!wdtmrctl) {
pr_err("Unable to remap memory\n");
rc = -ENOMEM;
goto err_out_region2;
}
rc = register_reboot_notifier(&wdt_notifier);
if (rc) {
pr_err("cannot register reboot notifier (err=%d)\n", rc);
goto err_out_ioremap;
}
rc = misc_register(&wdt_miscdev);
if (rc) {
pr_err("cannot register miscdev on minor=%d (err=%d)\n",
WATCHDOG_MINOR, rc);
goto err_out_notifier;
}
pr_info("WDT driver for SC520 initialised. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
return 0;
err_out_notifier:
unregister_reboot_notifier(&wdt_notifier);
err_out_ioremap:
iounmap(wdtmrctl);
err_out_region2:
return rc;
}
module_init(sc520_wdt_init);
module_exit(sc520_wdt_unload);
MODULE_AUTHOR("Scott and Bill Jennings");
MODULE_DESCRIPTION(
"Driver for watchdog timer in AMD \"Elan\" SC520 uProcessor");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
/* Send close command to device */
static int usb_8dev_cmd_close(struct usb_8dev_priv *priv)
{
struct usb_8dev_cmd_msg inmsg;
struct usb_8dev_cmd_msg outmsg = {
.channel = 0,
.command = USB_8DEV_CLOSE,
.opt1 = 0,
.opt2 = 0
};
return usb_8dev_send_cmd(priv, &outmsg, &inmsg);
}
/* Get firmware and hardware version */
static int usb_8dev_cmd_version(struct usb_8dev_priv *priv, u32 *res)
{
struct usb_8dev_cmd_msg inmsg;
struct usb_8dev_cmd_msg outmsg = {
.channel = 0,
.command = USB_8DEV_GET_SOFTW_HARDW_VER,
.opt1 = 0,
.opt2 = 0
};
int err = usb_8dev_send_cmd(priv, &outmsg, &inmsg);
if (err)
return err;
*res = be32_to_cpup((__be32 *)inmsg.data);
return err;
}
/* Set network device mode
*
* Maybe we should leave this function empty, because the device
* set mode variable with open command.
*/
static int usb_8dev_set_mode(struct net_device *netdev, enum can_mode mode)
{
struct usb_8dev_priv *priv = netdev_priv(netdev);
int err = 0;
switch (mode) {
case CAN_MODE_START:
err = usb_8dev_cmd_open(priv);
if (err)
netdev_warn(netdev, "couldn't start device");
break;
default:
return -EOPNOTSUPP;
}
return err;
}
/* Read error/status frames */
static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv,
struct usb_8dev_rx_msg *msg)
{
struct can_frame *cf;
struct sk_buff *skb;
struct net_device_stats *stats = &priv->netdev->stats;
/* Error message:
* byte 0: Status
* byte 1: bit 7: Receive Passive
* byte 1: bit 0-6: Receive Error Counter
* byte 2: Transmit Error Counter
* byte 3: Always 0 (maybe reserved for future use)
*/
u8 state = msg->data[0];
u8 rxerr = msg->data[1] & USB_8DEV_RP_MASK;
u8 txerr = msg->data[2];
int rx_errors = 0;
int tx_errors = 0;
skb = alloc_can_err_skb(priv->netdev, &cf);
if (!skb)
return;
switch (state) {
case USB_8DEV_STATUSMSG_OK:
priv->can.state = CAN_STATE_ERROR_ACTIVE;
cf->can_id |= CAN_ERR_PROT;
cf->data[2] = CAN_ERR_PROT_ACTIVE;
break;
case USB_8DEV_STATUSMSG_BUSOFF:
priv->can.state = CAN_STATE_BUS_OFF;
cf->can_id |= CAN_ERR_BUSOFF;
can_bus_off(priv->netdev);
break;
case USB_8DEV_STATUSMSG_OVERRUN:
case USB_8DEV_STATUSMSG_BUSLIGHT:
case USB_8DEV_STATUSMSG_BUSHEAVY:
cf->can_id |= CAN_ERR_CRTL;
break;
default:
priv->can.state = CAN_STATE_ERROR_WARNING;
cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
priv->can.can_stats.bus_error++;
break;
}
switch (state) {
case USB_8DEV_STATUSMSG_OK:
case USB_8DEV_STATUSMSG_BUSOFF:
break;
case USB_8DEV_STATUSMSG_ACK:
cf->can_id |= CAN_ERR_ACK;
tx_errors = 1;
break;
case USB_8DEV_STATUSMSG_CRC:
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
rx_errors = 1;
break;
case USB_8DEV_STATUSMSG_BIT0:
cf->data[2] |= CAN_ERR_PROT_BIT0;
tx_errors = 1;
break;
case USB_8DEV_STATUSMSG_BIT1:
cf->data[2] |= CAN_ERR_PROT_BIT1;
tx_errors = 1;
break;
case USB_8DEV_STATUSMSG_FORM:
cf->data[2] |= CAN_ERR_PROT_FORM;
rx_errors = 1;
break;
case USB_8DEV_STATUSMSG_STUFF:
cf->data[2] |= CAN_ERR_PROT_STUFF;
rx_errors = 1;
break;
case USB_8DEV_STATUSMSG_OVERRUN:
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
stats->rx_over_errors++;
rx_errors = 1;
break;
case USB_8DEV_STATUSMSG_BUSLIGHT:
priv->can.state = CAN_STATE_ERROR_WARNING;
cf->data[1] = (txerr > rxerr) ?
CAN_ERR_CRTL_TX_WARNING :
CAN_ERR_CRTL_RX_WARNING;
priv->can.can_stats.error_warning++;
break;
case USB_8DEV_STATUSMSG_BUSHEAVY:
priv->can.state = CAN_STATE_ERROR_PASSIVE;
cf->data[1] = (txerr > rxerr) ?
CAN_ERR_CRTL_TX_PASSIVE :
CAN_ERR_CRTL_RX_PASSIVE;
priv->can.can_stats.error_passive++;
break;
default:
netdev_warn(priv->netdev,
"Unknown status/error message (%d)\n", state);
break;
}
if (tx_errors) {
cf->data[2] |= CAN_ERR_PROT_TX;
stats->tx_errors++;
}
if (rx_errors)
stats->rx_errors++;
cf->data[6] = txerr;
cf->data[7] = rxerr;
priv->bec.txerr = txerr;
priv->bec.rxerr = rxerr;
netif_rx(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
}
/* Read data and status frames */
static void usb_8dev_rx_can_msg(struct usb_8dev_priv *priv,
struct usb_8dev_rx_msg *msg)
{
struct can_frame *cf;
struct sk_buff *skb;
struct net_device_stats *stats = &priv->netdev->stats;
if (msg->type == USB_8DEV_TYPE_ERROR_FRAME &&
msg->flags == USB_8DEV_ERR_FLAG) {
usb_8dev_rx_err_msg(priv, msg);
} else if (msg->type == USB_8DEV_TYPE_CAN_FRAME) {
skb = alloc_can_skb(priv->netdev, &cf);
if (!skb)
return;
cf->can_id = be32_to_cpu(msg->id);
cf->can_dlc = get_can_dlc(msg->dlc & 0xF);
if (msg->flags & USB_8DEV_EXTID)
cf->can_id |= CAN_EFF_FLAG;
if (msg->flags & USB_8DEV_RTR)
cf->can_id |= CAN_RTR_FLAG;
else
memcpy(cf->data, msg->data, cf->can_dlc);
netif_rx(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
can_led_event(priv->netdev, CAN_LED_EVENT_RX);
} else {
netdev_warn(priv->netdev, "frame type %d unknown",
msg->type);
}
}
/* Callback for reading data from device
*
* Check urb status, call read function and resubmit urb read operation.
*/
static void usb_8dev_read_bulk_callback(struct urb *urb)
{
struct usb_8dev_priv *priv = urb->context;
struct net_device *netdev;
int retval;
int pos = 0;
netdev = priv->netdev;
if (!netif_device_present(netdev))
return;
switch (urb->status) {
case 0: /* success */
break;
case -ENOENT:
case -ESHUTDOWN:
return;
default:
netdev_info(netdev, "Rx URB aborted (%d)\n",
urb->status);
goto resubmit_urb;
}
while (pos < urb->actual_length) {
struct usb_8dev_rx_msg *msg;
if (pos + sizeof(struct usb_8dev_rx_msg) > urb->actual_length) {
netdev_err(priv->netdev, "format error\n");
break;
}
msg = (struct usb_8dev_rx_msg *)(urb->transfer_buffer + pos);
usb_8dev_rx_can_msg(priv, msg);
pos += sizeof(struct usb_8dev_rx_msg);
}
resubmit_urb:
usb_fill_bulk_urb(urb, priv->udev,
usb_rcvbulkpipe(priv->udev, USB_8DEV_ENDP_DATA_RX),
urb->transfer_buffer, RX_BUFFER_SIZE,
usb_8dev_read_bulk_callback, priv);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval == -ENODEV)
netif_device_detach(netdev);
else if (retval)
netdev_err(netdev,
"failed resubmitting read bulk urb: %d\n", retval);
}
/* Callback handler for write operations
*
* Free allocated buffers, check transmit status and
* calculate statistic.
*/
static void usb_8dev_write_bulk_callback(struct urb *urb)
{
struct usb_8dev_tx_urb_context *context = urb->context;
struct usb_8dev_priv *priv;
struct net_device *netdev;
BUG_ON(!context);
priv = context->priv;
netdev = priv->netdev;
/* free up our allocated buffer */
usb_free_coherent(urb->dev, urb->transfer_buffer_length,
urb->transfer_buffer, urb->transfer_dma);
atomic_dec(&priv->active_tx_urbs);
if (!netif_device_present(netdev))
return;
if (urb->status)
netdev_info(netdev, "Tx URB aborted (%d)\n",
urb->status);
netdev->stats.tx_packets++;
netdev->stats.tx_bytes += context->dlc;
can_get_echo_skb(netdev, context->echo_index);
can_led_event(netdev, CAN_LED_EVENT_TX);
/* Release context */
context->echo_index = MAX_TX_URBS;
netif_wake_queue(netdev);
}
/* Send data to device */
static netdev_tx_t usb_8dev_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
struct usb_8dev_priv *priv = netdev_priv(netdev);
struct net_device_stats *stats = &netdev->stats;
struct can_frame *cf = (struct can_frame *) skb->data;
struct usb_8dev_tx_msg *msg;
struct urb *urb;
struct usb_8dev_tx_urb_context *context = NULL;
u8 *buf;
int i, err;
size_t size = sizeof(struct usb_8dev_tx_msg);
if (can_dropped_invalid_skb(netdev, skb))
return NETDEV_TX_OK;
/* create a URB, and a buffer for it, and copy the data to the URB */
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
netdev_err(netdev, "No memory left for URBs\n");
goto nomem;
}
buf = usb_alloc_coherent(priv->udev, size, GFP_ATOMIC,
&urb->transfer_dma);
if (!buf) {
netdev_err(netdev, "No memory left for USB buffer\n");
goto nomembuf;
}
memset(buf, 0, size);
msg = (struct usb_8dev_tx_msg *)buf;
msg->begin = USB_8DEV_DATA_START;
msg->flags = 0x00;
if (cf->can_id & CAN_RTR_FLAG)
msg->flags |= USB_8DEV_RTR;
if (cf->can_id & CAN_EFF_FLAG)
msg->flags |= USB_8DEV_EXTID;
msg->id = cpu_to_be32(cf->can_id & CAN_ERR_MASK);
msg->dlc = cf->can_dlc;
memcpy(msg->data, cf->data, cf->can_dlc);
msg->end = USB_8DEV_DATA_END;
for (i = 0; i < MAX_TX_URBS; i++) {
if (priv->tx_contexts[i].echo_index == MAX_TX_URBS) {
context = &priv->tx_contexts[i];
break;
}
}
/* May never happen! When this happens we'd more URBs in flight as
* allowed (MAX_TX_URBS).
*/
if (!context)
goto nofreecontext;
context->priv = priv;
context->echo_index = i;
context->dlc = cf->can_dlc;
usb_fill_bulk_urb(urb, priv->udev,
usb_sndbulkpipe(priv->udev, USB_8DEV_ENDP_DATA_TX),
buf, size, usb_8dev_write_bulk_callback, context);
urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
usb_anchor_urb(urb, &priv->tx_submitted);
can_put_echo_skb(skb, netdev, context->echo_index);
atomic_inc(&priv->active_tx_urbs);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (unlikely(err))
goto failed;
else if (atomic_read(&priv->active_tx_urbs) >= MAX_TX_URBS)
/* Slow down tx path */
netif_stop_queue(netdev);
/* Release our reference to this URB, the USB core will eventually free
* it entirely.
*/
usb_free_urb(urb);
return NETDEV_TX_OK;
nofreecontext:
usb_free_coherent(priv->udev, size, buf, urb->transfer_dma);
usb_free_urb(urb);
netdev_warn(netdev, "couldn't find free context");
return NETDEV_TX_BUSY;
failed:
can_free_echo_skb(netdev, context->echo_index);
usb_unanchor_urb(urb);
usb_free_coherent(priv->udev, size, buf, urb->transfer_dma);
atomic_dec(&priv->active_tx_urbs);
if (err == -ENODEV)
netif_device_detach(netdev);
else
netdev_warn(netdev, "failed tx_urb %d\n", err);
nomembuf:
usb_free_urb(urb);
nomem:
dev_kfree_skb(skb);
stats->tx_dropped++;
return NETDEV_TX_OK;
}
static int usb_8dev_get_berr_counter(const struct net_device *netdev,
struct can_berr_counter *bec)
{
struct usb_8dev_priv *priv = netdev_priv(netdev);
bec->txerr = priv->bec.txerr;
bec->rxerr = priv->bec.rxerr;
return 0;
}
/* Start USB device */
static int usb_8dev_start(struct usb_8dev_priv *priv)
{
struct net_device *netdev = priv->netdev;
int err, i;
for (i = 0; i < MAX_RX_URBS; i++) {
struct urb *urb = NULL;
u8 *buf;
/* create a URB, and a buffer for it */
urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb) {
netdev_err(netdev, "No memory left for URBs\n");
err = -ENOMEM;
break;
}
buf = usb_alloc_coherent(priv->udev, RX_BUFFER_SIZE, GFP_KERNEL,
&urb->transfer_dma);
if (!buf) {
netdev_err(netdev, "No memory left for USB buffer\n");
usb_free_urb(urb);
err = -ENOMEM;
break;
}
usb_fill_bulk_urb(urb, priv->udev,
usb_rcvbulkpipe(priv->udev,
USB_8DEV_ENDP_DATA_RX),
buf, RX_BUFFER_SIZE,
usb_8dev_read_bulk_callback, priv);
urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
usb_anchor_urb(urb, &priv->rx_submitted);
err = usb_submit_urb(urb, GFP_KERNEL);
if (err) {
usb_unanchor_urb(urb);
usb_free_coherent(priv->udev, RX_BUFFER_SIZE, buf,
urb->transfer_dma);
usb_free_urb(urb);
break;
}
/* Drop reference, USB core will take care of freeing it */
usb_free_urb(urb);
}
/* Did we submit any URBs */
if (i == 0) {
netdev_warn(netdev, "couldn't setup read URBs\n");
return err;
}
/* Warn if we've couldn't transmit all the URBs */
if (i < MAX_RX_URBS)
netdev_warn(netdev, "rx performance may be slow\n");
err = usb_8dev_cmd_open(priv);
if (err)
goto failed;
priv->can.state = CAN_STATE_ERROR_ACTIVE;
return 0;
failed:
if (err == -ENODEV)
netif_device_detach(priv->netdev);
netdev_warn(netdev, "couldn't submit control: %d\n", err);
return err;
}
/* Open USB device */
static int usb_8dev_open(struct net_device *netdev)
{
struct usb_8dev_priv *priv = netdev_priv(netdev);
int err;
/* common open */
err = open_candev(netdev);
if (err)
return err;
can_led_event(netdev, CAN_LED_EVENT_OPEN);
/* finally start device */
err = usb_8dev_start(priv);
if (err) {
if (err == -ENODEV)
netif_device_detach(priv->netdev);
netdev_warn(netdev, "couldn't start device: %d\n",
err);
close_candev(netdev);
return err;
}
netif_start_queue(netdev);
return 0;
}
static void unlink_all_urbs(struct usb_8dev_priv *priv)
{
int i;
usb_kill_anchored_urbs(&priv->rx_submitted);
usb_kill_anchored_urbs(&priv->tx_submitted);
atomic_set(&priv->active_tx_urbs, 0);
for (i = 0; i < MAX_TX_URBS; i++)
priv->tx_contexts[i].echo_index = MAX_TX_URBS;
}
/* Close USB device */
static int usb_8dev_close(struct net_device *netdev)
{
struct usb_8dev_priv *priv = netdev_priv(netdev);
int err = 0;
/* Send CLOSE command to CAN controller */
err = usb_8dev_cmd_close(priv);
if (err)
netdev_warn(netdev, "couldn't stop device");
priv->can.state = CAN_STATE_STOPPED;
netif_stop_queue(netdev);
/* Stop polling */
unlink_all_urbs(priv);
close_candev(netdev);
can_led_event(netdev, CAN_LED_EVENT_STOP);
return err;
}
static const struct net_device_ops usb_8dev_netdev_ops = {
.ndo_open = usb_8dev_open,
.ndo_stop = usb_8dev_close,
.ndo_start_xmit = usb_8dev_start_xmit,
.ndo_change_mtu = can_change_mtu,
};
static const struct can_bittiming_const usb_8dev_bittiming_const = {
.name = "usb_8dev",
.tseg1_min = 1,
.tseg1_max = 16,
.tseg2_min = 1,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 1,
.brp_max = 1024,
.brp_inc = 1,
};
/* Probe USB device
*
* Check device and firmware.
* Set supported modes and bittiming constants.
* Allocate some memory.
*/
static int usb_8dev_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct net_device *netdev;
struct usb_8dev_priv *priv;
int i, err = -ENOMEM;
u32 version;
char buf[18];
struct usb_device *usbdev = interface_to_usbdev(intf);
/* product id looks strange, better we also check iProduct string */
if (usb_string(usbdev, usbdev->descriptor.iProduct, buf,
sizeof(buf)) > 0 && strcmp(buf, "USB2CAN converter")) {
dev_info(&usbdev->dev, "ignoring: not an USB2CAN converter\n");
return -ENODEV;
}
netdev = alloc_candev(sizeof(struct usb_8dev_priv), MAX_TX_URBS);
if (!netdev) {
dev_err(&intf->dev, "Couldn't alloc candev\n");
return -ENOMEM;
}
priv = netdev_priv(netdev);
priv->udev = usbdev;
priv->netdev = netdev;
priv->can.state = CAN_STATE_STOPPED;
priv->can.clock.freq = USB_8DEV_ABP_CLOCK;
priv->can.bittiming_const = &usb_8dev_bittiming_const;
priv->can.do_set_mode = usb_8dev_set_mode;
priv->can.do_get_berr_counter = usb_8dev_get_berr_counter;
priv->can.ctrlmode_supported = CAN_CTRLMODE_LOOPBACK |
CAN_CTRLMODE_LISTENONLY |
CAN_CTRLMODE_ONE_SHOT;
netdev->netdev_ops = &usb_8dev_netdev_ops;
netdev->flags |= IFF_ECHO; /* we support local echo */
init_usb_anchor(&priv->rx_submitted);
init_usb_anchor(&priv->tx_submitted);
atomic_set(&priv->active_tx_urbs, 0);
for (i = 0; i < MAX_TX_URBS; i++)
priv->tx_contexts[i].echo_index = MAX_TX_URBS;
priv->cmd_msg_buffer = kzalloc(sizeof(struct usb_8dev_cmd_msg),
GFP_KERNEL);
if (!priv->cmd_msg_buffer)
goto cleanup_candev;
usb_set_intfdata(intf, priv);
SET_NETDEV_DEV(netdev, &intf->dev);
mutex_init(&priv->usb_8dev_cmd_lock);
err = register_candev(netdev);
if (err) {
netdev_err(netdev,
"couldn't register CAN device: %d\n", err);
goto cleanup_cmd_msg_buffer;
}
err = usb_8dev_cmd_version(priv, &version);
if (err) {
netdev_err(netdev, "can't get firmware version\n");
goto cleanup_unregister_candev;
} else {
netdev_info(netdev,
"firmware: %d.%d, hardware: %d.%d\n",
(version>>24) & 0xff, (version>>16) & 0xff,
(version>>8) & 0xff, version & 0xff);
}
devm_can_led_init(netdev);
return 0;
cleanup_unregister_candev:
unregister_netdev(priv->netdev);
cleanup_cmd_msg_buffer:
kfree(priv->cmd_msg_buffer);
cleanup_candev:
free_candev(netdev);
return err;
}
/* Called by the usb core when driver is unloaded or device is removed */
static void usb_8dev_disconnect(struct usb_interface *intf)
{
struct usb_8dev_priv *priv = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
if (priv) {
netdev_info(priv->netdev, "device disconnected\n");
unregister_netdev(priv->netdev);
free_candev(priv->netdev);
unlink_all_urbs(priv);
}
}
static struct usb_driver usb_8dev_driver = {
.name = "usb_8dev",
.probe = usb_8dev_probe,
.disconnect = usb_8dev_disconnect,
.id_table = usb_8dev_table,
};
module_usb_driver(usb_8dev_driver);
MODULE_AUTHOR("Bernd Krumboeck <*****@*****.**>");
MODULE_DESCRIPTION("CAN driver for 8 devices USB2CAN interfaces");
MODULE_LICENSE("GPL v2");
int __init usb_mdc800_init (void)
{
/* Allocate Memory */
try (mdc800=kmalloc (sizeof (struct mdc800_data), GFP_KERNEL));
memset(mdc800, 0, sizeof(struct mdc800_data));
mdc800->dev=0;
mdc800->open=0;
mdc800->state=NOT_CONNECTED;
init_MUTEX (&mdc800->io_lock);
init_waitqueue_head (&mdc800->irq_wait);
init_waitqueue_head (&mdc800->write_wait);
init_waitqueue_head (&mdc800->download_wait);
mdc800->irq_woken = 0;
mdc800->downloaded = 0;
mdc800->written = 0;
try (mdc800->irq_urb_buffer=kmalloc (8, GFP_KERNEL));
try (mdc800->write_urb_buffer=kmalloc (8, GFP_KERNEL));
try (mdc800->download_urb_buffer=kmalloc (64, GFP_KERNEL));
try (mdc800->irq_urb=usb_alloc_urb (0));
try (mdc800->download_urb=usb_alloc_urb (0));
try (mdc800->write_urb=usb_alloc_urb (0));
/* Register the driver */
if (usb_register (&mdc800_usb_driver) < 0)
goto cleanup_on_fail;
info (DRIVER_VERSION ":" DRIVER_DESC);
return 0;
/* Clean driver up, when something fails */
cleanup_on_fail:
if (mdc800 != 0)
{
err ("can't alloc memory!");
try_free_mem (mdc800->download_urb_buffer);
try_free_mem (mdc800->write_urb_buffer);
try_free_mem (mdc800->irq_urb_buffer);
try_free_urb (mdc800->write_urb);
try_free_urb (mdc800->download_urb);
try_free_urb (mdc800->irq_urb);
kfree (mdc800);
}
mdc800=0;
return -1;
}
void __exit usb_mdc800_cleanup (void)
{
usb_deregister (&mdc800_usb_driver);
usb_free_urb (mdc800->irq_urb);
usb_free_urb (mdc800->download_urb);
usb_free_urb (mdc800->write_urb);
kfree (mdc800->irq_urb_buffer);
kfree (mdc800->write_urb_buffer);
kfree (mdc800->download_urb_buffer);
kfree (mdc800);
mdc800=0;
}
module_init (usb_mdc800_init);
module_exit (usb_mdc800_cleanup);
MODULE_AUTHOR( DRIVER_AUTHOR );
MODULE_DESCRIPTION( DRIVER_DESC );
MODULE_LICENSE("GPL");
static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_skbedit *d = a->priv;
struct tc_skbedit opt = {
.index = d->tcf_index,
.refcnt = d->tcf_refcnt - ref,
.bindcnt = d->tcf_bindcnt - bind,
.action = d->tcf_action,
};
struct tcf_t t;
if (nla_put(skb, TCA_SKBEDIT_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
if ((d->flags & SKBEDIT_F_PRIORITY) &&
nla_put(skb, TCA_SKBEDIT_PRIORITY, sizeof(d->priority),
&d->priority))
goto nla_put_failure;
if ((d->flags & SKBEDIT_F_QUEUE_MAPPING) &&
nla_put(skb, TCA_SKBEDIT_QUEUE_MAPPING,
sizeof(d->queue_mapping), &d->queue_mapping))
goto nla_put_failure;
if ((d->flags & SKBEDIT_F_MARK) &&
nla_put(skb, TCA_SKBEDIT_MARK, sizeof(d->mark),
&d->mark))
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - d->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - d->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(d->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_SKBEDIT_TM, sizeof(t), &t, TCA_SKBEDIT_PAD))
goto nla_put_failure;
return skb->len;
nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
static int tcf_skbedit_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_skbedit_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_skbedit_ops = {
.kind = "skbedit",
.type = TCA_ACT_SKBEDIT,
.owner = THIS_MODULE,
.act = tcf_skbedit,
.dump = tcf_skbedit_dump,
.init = tcf_skbedit_init,
.walk = tcf_skbedit_walker,
.lookup = tcf_skbedit_search,
};
static __net_init int skbedit_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tc_action_net_init(tn, &act_skbedit_ops, SKBEDIT_TAB_MASK);
}
static void __net_exit skbedit_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations skbedit_net_ops = {
.init = skbedit_init_net,
.exit = skbedit_exit_net,
.id = &skbedit_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Alexander Duyck, <*****@*****.**>");
MODULE_DESCRIPTION("SKB Editing");
MODULE_LICENSE("GPL");
static int __init skbedit_init_module(void)
{
return tcf_register_action(&act_skbedit_ops, &skbedit_net_ops);
}
static void __exit skbedit_cleanup_module(void)
{
tcf_unregister_action(&act_skbedit_ops, &skbedit_net_ops);
}
module_init(skbedit_init_module);
module_exit(skbedit_cleanup_module);
static int codel_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
{
const struct codel_sched_data *q = qdisc_priv(sch);
struct tc_codel_xstats st = {
.maxpacket = q->stats.maxpacket,
.count = q->vars.count,
.lastcount = q->vars.lastcount,
.drop_overlimit = q->drop_overlimit,
.ldelay = codel_time_to_us(q->vars.ldelay),
.dropping = q->vars.dropping,
.ecn_mark = q->stats.ecn_mark,
.ce_mark = q->stats.ce_mark,
};
if (q->vars.dropping) {
codel_tdiff_t delta = q->vars.drop_next - codel_get_time();
if (delta >= 0)
st.drop_next = codel_time_to_us(delta);
else
st.drop_next = -codel_time_to_us(-delta);
}
return gnet_stats_copy_app(d, &st, sizeof(st));
}
static void codel_reset(struct Qdisc *sch)
{
struct codel_sched_data *q = qdisc_priv(sch);
qdisc_reset_queue(sch);
codel_vars_init(&q->vars);
}
static struct Qdisc_ops codel_qdisc_ops __read_mostly = {
.id = "codel",
.priv_size = sizeof(struct codel_sched_data),
.enqueue = codel_qdisc_enqueue,
.dequeue = codel_qdisc_dequeue,
.peek = qdisc_peek_dequeued,
.init = codel_init,
.reset = codel_reset,
.change = codel_change,
.dump = codel_dump,
.dump_stats = codel_dump_stats,
.owner = THIS_MODULE,
};
static int __init codel_module_init(void)
{
return register_qdisc(&codel_qdisc_ops);
}
static void __exit codel_module_exit(void)
{
unregister_qdisc(&codel_qdisc_ops);
}
module_init(codel_module_init)
module_exit(codel_module_exit)
MODULE_DESCRIPTION("Controlled Delay queue discipline");
MODULE_AUTHOR("Dave Taht");
MODULE_AUTHOR("Eric Dumazet");
MODULE_LICENSE("Dual BSD/GPL");
static int create_pipe(int nr)
{
int minor_in, minor_out , ret;
if (dev_offset == -1) {
if (inminor == -1) {
minor_in = -1;
} else {
minor_in = inminor+nr;
}
if (outminor == -1) {
minor_out = -1;
} else {
minor_out = outminor+nr;
}
} else {
minor_in = 2*nr + dev_offset;
minor_out = 2*nr+1 + dev_offset;
}
/* allocate space for this pipe */
loops[nr]= kmalloc(sizeof(struct vloopback_pipe), GFP_KERNEL);
if (!loops[nr])
return -ENOMEM;
/* set up a new video device plus our private area */
loops[nr]->vloopin= video_device_alloc();
if (loops[nr]->vloopin == NULL)
return -ENOMEM;
*loops[nr]->vloopin = vloopback_template;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
video_set_drvdata(loops[nr]->vloopin,kmalloc(sizeof(struct vloopback_private),GFP_KERNEL));
#else
loops[nr]->vloopin->priv= kmalloc(sizeof(struct vloopback_private),GFP_KERNEL);
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
if ((priv_ptr)video_get_drvdata(loops[nr]->vloopin) == NULL) {
#else
if (loops[nr]->vloopin->priv == NULL) {
#endif
kfree(loops[nr]->vloopin);
return -ENOMEM;
}
/* repeat for the output device */
loops[nr]->vloopout= video_device_alloc();
if (loops[nr]->vloopout == NULL) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
kfree((priv_ptr)video_get_drvdata(loops[nr]->vloopin));
#else
kfree(loops[nr]->vloopin->priv);
#endif
kfree(loops[nr]->vloopin);
return -ENOMEM;
}
*loops[nr]->vloopout = vloopback_template;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
video_set_drvdata(loops[nr]->vloopout,kmalloc(sizeof(struct vloopback_private),GFP_KERNEL));
#else
loops[nr]->vloopout->priv= kmalloc(sizeof(struct vloopback_private),GFP_KERNEL);
#endif
if ((priv_ptr)video_get_drvdata(loops[nr]->vloopout) == NULL) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
kfree((priv_ptr)video_get_drvdata(loops[nr]->vloopin));
#else
kfree(loops[nr]->vloopin->priv);
#endif
kfree(loops[nr]->vloopin);
kfree(loops[nr]->vloopout);
return -ENOMEM;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
((priv_ptr)video_get_drvdata(loops[nr]->vloopin))->pipenr=nr;
((priv_ptr)video_get_drvdata(loops[nr]->vloopout))->pipenr=nr;
#else
((priv_ptr)loops[nr]->vloopin->priv)->pipenr=nr;
((priv_ptr)loops[nr]->vloopout->priv)->pipenr=nr;
#endif
loops[nr]->invalid_ioctl = 0; /* tibit */
loops[nr]->buffer=NULL;
loops[nr]->width=0;
loops[nr]->height=0;
loops[nr]->palette=0;
loops[nr]->frameswrite=0;
loops[nr]->framesread=0;
loops[nr]->framesdumped=0;
loops[nr]->wopen=0;
loops[nr]->ropen=0;
loops[nr]->frame=0;
loops[nr]->pendingread=0;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
((priv_ptr)video_get_drvdata(loops[nr]->vloopin))->in=1;
((priv_ptr)video_get_drvdata(loops[nr]->vloopout))->in=0;
#else
((priv_ptr)loops[nr]->vloopin->priv)->in=1;
((priv_ptr)loops[nr]->vloopout->priv)->in=0;
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
loops[nr]->vloopin->type=0;
#endif
sprintf(loops[nr]->vloopin->name, "Video loopback %d input", nr);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
loops[nr]->vloopout->type=VID_TYPE_CAPTURE;
#endif
sprintf(loops[nr]->vloopout->name, "Video loopback %d output", nr);
init_waitqueue_head(&loops[nr]->wait);
init_MUTEX(&loops[nr]->lock);
ret = video_register_device(loops[nr]->vloopout, VFL_TYPE_GRABBER, minor_out);
if ((ret ==-1) || (ret == -23)) {
info("error registering device %s", loops[nr]->vloopout->name);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
kfree(((priv_ptr)video_get_drvdata(loops[nr]->vloopin)));
video_unregister_device(loops[nr]->vloopin);
kfree(((priv_ptr)video_get_drvdata(loops[nr]->vloopout)));
#else
kfree(loops[nr]->vloopin->priv);
video_unregister_device(loops[nr]->vloopin);
kfree(loops[nr]->vloopout->priv);
#endif
kfree(loops[nr]->vloopout);
kfree(loops[nr]);
loops[nr]=NULL;
return ret;
}
ret = video_register_device(loops[nr]->vloopin, VFL_TYPE_GRABBER, minor_in);
if ((ret == -1 ) || ( ret == -23 )) {
info("error registering device %s",loops[nr]->vloopin->name);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
kfree(((priv_ptr)video_get_drvdata(loops[nr]->vloopin)));
kfree(((priv_ptr)video_get_drvdata(loops[nr]->vloopout)));
#else
kfree(loops[nr]->vloopin->priv);
kfree(loops[nr]->vloopout->priv);
#endif
kfree(loops[nr]->vloopin);
kfree(loops[nr]->vloopout);
kfree(loops[nr]);
loops[nr]=NULL;
return ret;
}
loops[nr]->ioctldata=kmalloc(1024, GFP_KERNEL);
loops[nr]->ioctlretdata=kmalloc(1024, GFP_KERNEL);
return 0;
}
/****************************************************************************
* init stuff
****************************************************************************/
MODULE_AUTHOR("J.B. Vreeken ([email protected])");
MODULE_DESCRIPTION("Video4linux loopback device.");
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
module_param(pipes, int, 000);
#else
MODULE_PARM(pipes, "i");
#endif
MODULE_PARM_DESC(pipes, "Nr of pipes to create (each pipe uses two video devices)");
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
module_param(spares, int, 000);
#else
MODULE_PARM(spares, "i");
#endif
MODULE_PARM_DESC(spares, "Nr of spare pipes that should be created");
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
module_param(dev_offset, int, 000);
#else
MODULE_PARM(dev_offset_param, "i");
#endif
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
module_param(inminor, int, 000);
#else
MODULE_PARM(inminor, "i");
#endif
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
module_param(outminor, int, 000);
#else
MODULE_PARM(outminor, "i");
#endif
MODULE_PARM_DESC(dev_offset, "Prefered offset for video device numbers");
MODULE_LICENSE("GPL");
MODULE_VERSION( VLOOPBACK_VERSION );
static int __init vloopback_init(void)
{
int i,ret;
info("Video4linux loopback driver v"VLOOPBACK_VERSION);
if (pipes==-1) pipes=1;
if (pipes > MAX_PIPES) {
pipes=MAX_PIPES;
info("Nr of pipes is limited to: %d", MAX_PIPES);
}
for (i=0; i<pipes; i++) {
ret = create_pipe(i);
if (ret == 0) {
info("Loopback %d registered, input: video%d, output: video%d",
i, loops[i]->vloopin->minor,
loops[i]->vloopout->minor);
nr_o_pipes=i+1;
}else{
return ret;
}
}
return 0;
}
int __init i2c_dev_init(void)
{
int res;
printk(KERN_INFO "i2c-dev.o: i2c /dev entries driver module version %s (%s)\n", I2C_VERSION, I2C_DATE);
i2cdev_initialized = 0;
#ifdef CONFIG_DEVFS_FS
if (devfs_register_chrdev(I2C_MAJOR, "i2c", &i2cdev_fops)) {
#else
if (register_chrdev(I2C_MAJOR,"i2c",&i2cdev_fops)) {
#endif
printk(KERN_ERR "i2c-dev.o: unable to get major %d for i2c bus\n",
I2C_MAJOR);
return -EIO;
}
#ifdef CONFIG_DEVFS_FS
devfs_handle = devfs_mk_dir(NULL, "i2c", NULL);
#endif
i2cdev_initialized ++;
if ((res = i2c_add_driver(&i2cdev_driver))) {
printk(KERN_ERR "i2c-dev.o: Driver registration failed, module not inserted.\n");
i2cdev_cleanup();
return res;
}
i2cdev_initialized ++;
return 0;
}
int i2cdev_cleanup(void)
{
int res;
if (i2cdev_initialized >= 2) {
if ((res = i2c_del_driver(&i2cdev_driver))) {
printk("i2c-dev.o: Driver deregistration failed, "
"module not removed.\n");
return res;
}
i2cdev_initialized --;
}
if (i2cdev_initialized >= 1) {
#ifdef CONFIG_DEVFS_FS
devfs_unregister(devfs_handle);
if ((res = devfs_unregister_chrdev(I2C_MAJOR, "i2c"))) {
#else
if ((res = unregister_chrdev(I2C_MAJOR,"i2c"))) {
#endif
printk("i2c-dev.o: unable to release major %d for i2c bus\n",
I2C_MAJOR);
return res;
}
i2cdev_initialized --;
}
return 0;
}
EXPORT_NO_SYMBOLS;
#ifdef MODULE
MODULE_AUTHOR("Frodo Looijaard <*****@*****.**> and Simon G. Vogl <*****@*****.**>");
MODULE_DESCRIPTION("I2C /dev entries driver");
MODULE_LICENSE("GPL");
int init_module(void)
{
return i2c_dev_init();
}
int cleanup_module(void)
{
return i2cdev_cleanup();
}
static int skcipher_crypt_blkcipher(struct skcipher_request *req,
int (*crypt)(struct blkcipher_desc *,
struct scatterlist *,
struct scatterlist *,
unsigned int))
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_blkcipher **ctx = crypto_skcipher_ctx(tfm);
struct blkcipher_desc desc = {
.tfm = *ctx,
.info = req->iv,
.flags = req->base.flags,
};
return crypt(&desc, req->dst, req->src, req->cryptlen);
}
static int skcipher_encrypt_blkcipher(struct skcipher_request *req)
{
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
struct crypto_tfm *tfm = crypto_skcipher_tfm(skcipher);
struct blkcipher_alg *alg = &tfm->__crt_alg->cra_blkcipher;
return skcipher_crypt_blkcipher(req, alg->encrypt);
}
static int skcipher_decrypt_blkcipher(struct skcipher_request *req)
{
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
struct crypto_tfm *tfm = crypto_skcipher_tfm(skcipher);
struct blkcipher_alg *alg = &tfm->__crt_alg->cra_blkcipher;
return skcipher_crypt_blkcipher(req, alg->decrypt);
}
static void crypto_exit_skcipher_ops_blkcipher(struct crypto_tfm *tfm)
{
struct crypto_blkcipher **ctx = crypto_tfm_ctx(tfm);
crypto_free_blkcipher(*ctx);
}
static int crypto_init_skcipher_ops_blkcipher(struct crypto_tfm *tfm)
{
struct crypto_alg *calg = tfm->__crt_alg;
struct crypto_skcipher *skcipher = __crypto_skcipher_cast(tfm);
struct crypto_blkcipher **ctx = crypto_tfm_ctx(tfm);
struct crypto_blkcipher *blkcipher;
struct crypto_tfm *btfm;
if (!crypto_mod_get(calg))
return -EAGAIN;
btfm = __crypto_alloc_tfm(calg, CRYPTO_ALG_TYPE_BLKCIPHER,
CRYPTO_ALG_TYPE_MASK);
if (IS_ERR(btfm)) {
crypto_mod_put(calg);
return PTR_ERR(btfm);
}
blkcipher = __crypto_blkcipher_cast(btfm);
*ctx = blkcipher;
tfm->exit = crypto_exit_skcipher_ops_blkcipher;
skcipher->setkey = skcipher_setkey_blkcipher;
skcipher->encrypt = skcipher_encrypt_blkcipher;
skcipher->decrypt = skcipher_decrypt_blkcipher;
skcipher->ivsize = crypto_blkcipher_ivsize(blkcipher);
skcipher->keysize = calg->cra_blkcipher.max_keysize;
return 0;
}
static int skcipher_setkey_ablkcipher(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keylen)
{
struct crypto_ablkcipher **ctx = crypto_skcipher_ctx(tfm);
struct crypto_ablkcipher *ablkcipher = *ctx;
int err;
crypto_ablkcipher_clear_flags(ablkcipher, ~0);
crypto_ablkcipher_set_flags(ablkcipher,
crypto_skcipher_get_flags(tfm) &
CRYPTO_TFM_REQ_MASK);
err = crypto_ablkcipher_setkey(ablkcipher, key, keylen);
crypto_skcipher_set_flags(tfm,
crypto_ablkcipher_get_flags(ablkcipher) &
CRYPTO_TFM_RES_MASK);
return err;
}
static int skcipher_crypt_ablkcipher(struct skcipher_request *req,
int (*crypt)(struct ablkcipher_request *))
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_ablkcipher **ctx = crypto_skcipher_ctx(tfm);
struct ablkcipher_request *subreq = skcipher_request_ctx(req);
ablkcipher_request_set_tfm(subreq, *ctx);
ablkcipher_request_set_callback(subreq, skcipher_request_flags(req),
req->base.complete, req->base.data);
ablkcipher_request_set_crypt(subreq, req->src, req->dst, req->cryptlen,
req->iv);
return crypt(subreq);
}
static int skcipher_encrypt_ablkcipher(struct skcipher_request *req)
{
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
struct crypto_tfm *tfm = crypto_skcipher_tfm(skcipher);
struct ablkcipher_alg *alg = &tfm->__crt_alg->cra_ablkcipher;
return skcipher_crypt_ablkcipher(req, alg->encrypt);
}
static int skcipher_decrypt_ablkcipher(struct skcipher_request *req)
{
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
struct crypto_tfm *tfm = crypto_skcipher_tfm(skcipher);
struct ablkcipher_alg *alg = &tfm->__crt_alg->cra_ablkcipher;
return skcipher_crypt_ablkcipher(req, alg->decrypt);
}
static void crypto_exit_skcipher_ops_ablkcipher(struct crypto_tfm *tfm)
{
struct crypto_ablkcipher **ctx = crypto_tfm_ctx(tfm);
crypto_free_ablkcipher(*ctx);
}
static int crypto_init_skcipher_ops_ablkcipher(struct crypto_tfm *tfm)
{
struct crypto_alg *calg = tfm->__crt_alg;
struct crypto_skcipher *skcipher = __crypto_skcipher_cast(tfm);
struct crypto_ablkcipher **ctx = crypto_tfm_ctx(tfm);
struct crypto_ablkcipher *ablkcipher;
struct crypto_tfm *abtfm;
if (!crypto_mod_get(calg))
return -EAGAIN;
abtfm = __crypto_alloc_tfm(calg, 0, 0);
if (IS_ERR(abtfm)) {
crypto_mod_put(calg);
return PTR_ERR(abtfm);
}
ablkcipher = __crypto_ablkcipher_cast(abtfm);
*ctx = ablkcipher;
tfm->exit = crypto_exit_skcipher_ops_ablkcipher;
skcipher->setkey = skcipher_setkey_ablkcipher;
skcipher->encrypt = skcipher_encrypt_ablkcipher;
skcipher->decrypt = skcipher_decrypt_ablkcipher;
skcipher->ivsize = crypto_ablkcipher_ivsize(ablkcipher);
skcipher->reqsize = crypto_ablkcipher_reqsize(ablkcipher) +
sizeof(struct ablkcipher_request);
skcipher->keysize = calg->cra_ablkcipher.max_keysize;
return 0;
}
static int crypto_skcipher_init_tfm(struct crypto_tfm *tfm)
{
if (tfm->__crt_alg->cra_type == &crypto_blkcipher_type)
return crypto_init_skcipher_ops_blkcipher(tfm);
BUG_ON(tfm->__crt_alg->cra_type != &crypto_ablkcipher_type &&
tfm->__crt_alg->cra_type != &crypto_givcipher_type);
return crypto_init_skcipher_ops_ablkcipher(tfm);
}
static const struct crypto_type crypto_skcipher_type2 = {
.extsize = crypto_skcipher_extsize,
.init_tfm = crypto_skcipher_init_tfm,
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_BLKCIPHER_MASK,
.type = CRYPTO_ALG_TYPE_BLKCIPHER,
.tfmsize = offsetof(struct crypto_skcipher, base),
};
struct crypto_skcipher *crypto_alloc_skcipher(const char *alg_name,
u32 type, u32 mask)
{
return crypto_alloc_tfm(alg_name, &crypto_skcipher_type2, type, mask);
}
EXPORT_SYMBOL_GPL(crypto_alloc_skcipher);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Symmetric key cipher type");
static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
{
static int printed_version;
static struct ata_port_info info_6210 = {
.sht = &artop_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA2,
.port_ops = &artop6210_ops,
};
static struct ata_port_info info_626x = {
.sht = &artop_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA4,
.port_ops = &artop6260_ops,
};
static struct ata_port_info info_626x_fast = {
.sht = &artop_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5,
.port_ops = &artop6260_ops,
};
struct ata_port_info *port_info[2];
struct ata_port_info *info = NULL;
int ports = 2;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
if (id->driver_data == 0) { /* 6210 variant */
info = &info_6210;
/* BIOS may have left us in UDMA, clear it before libata probe */
pci_write_config_byte(pdev, 0x54, 0);
/* For the moment (also lacks dsc) */
printk(KERN_WARNING "ARTOP 6210 requires serialize functionality not yet supported by libata.\n");
printk(KERN_WARNING "Secondary ATA ports will not be activated.\n");
ports = 1;
}
else if (id->driver_data == 1) /* 6260 */
info = &info_626x;
else if (id->driver_data == 2) { /* 6260 or 6260 + fast */
unsigned long io = pci_resource_start(pdev, 4);
u8 reg;
info = &info_626x;
if (inb(io) & 0x10)
info = &info_626x_fast;
/* Mac systems come up with some registers not set as we
will need them */
/* Clear reset & test bits */
pci_read_config_byte(pdev, 0x49, ®);
pci_write_config_byte(pdev, 0x49, reg & ~ 0x30);
/* PCI latency must be > 0x80 for burst mode, tweak it
* if required.
*/
pci_read_config_byte(pdev, PCI_LATENCY_TIMER, ®);
if (reg <= 0x80)
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x90);
/* Enable IRQ output and burst mode */
pci_read_config_byte(pdev, 0x4a, ®);
pci_write_config_byte(pdev, 0x4a, (reg & ~0x01) | 0x80);
}
BUG_ON(info == NULL);
port_info[0] = port_info[1] = info;
return ata_pci_init_one(pdev, port_info, ports);
}
static const struct pci_device_id artop_pci_tbl[] = {
{ PCI_VDEVICE(ARTOP, 0x0005), 0 },
{ PCI_VDEVICE(ARTOP, 0x0006), 1 },
{ PCI_VDEVICE(ARTOP, 0x0007), 1 },
{ PCI_VDEVICE(ARTOP, 0x0008), 2 },
{ PCI_VDEVICE(ARTOP, 0x0009), 2 },
{ } /* terminate list */
};
static struct pci_driver artop_pci_driver = {
.name = DRV_NAME,
.id_table = artop_pci_tbl,
.probe = artop_init_one,
.remove = ata_pci_remove_one,
};
static int __init artop_init(void)
{
return pci_register_driver(&artop_pci_driver);
}
static void __exit artop_exit(void)
{
pci_unregister_driver(&artop_pci_driver);
}
module_init(artop_init);
module_exit(artop_exit);
MODULE_AUTHOR("Alan Cox");
MODULE_DESCRIPTION("SCSI low-level driver for ARTOP PATA");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, artop_pci_tbl);
MODULE_VERSION(DRV_VERSION);
static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_gact *gact = a->priv;
struct tc_gact opt = {
.index = gact->tcf_index,
.refcnt = gact->tcf_refcnt - ref,
.bindcnt = gact->tcf_bindcnt - bind,
.action = gact->tcf_action,
};
struct tcf_t t;
if (nla_put(skb, TCA_GACT_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
#ifdef CONFIG_GACT_PROB
if (gact->tcfg_ptype) {
struct tc_gact_p p_opt = {
.paction = gact->tcfg_paction,
.pval = gact->tcfg_pval,
.ptype = gact->tcfg_ptype,
};
if (nla_put(skb, TCA_GACT_PROB, sizeof(p_opt), &p_opt))
goto nla_put_failure;
}
#endif
t.install = jiffies_to_clock_t(jiffies - gact->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - gact->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(gact->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_GACT_TM, sizeof(t), &t, TCA_GACT_PAD))
goto nla_put_failure;
return skb->len;
nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
static int tcf_gact_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_gact_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_gact_ops = {
.kind = "gact",
.type = TCA_ACT_GACT,
.owner = THIS_MODULE,
.act = tcf_gact,
.dump = tcf_gact_dump,
.init = tcf_gact_init,
.walk = tcf_gact_walker,
.lookup = tcf_gact_search,
};
static __net_init int gact_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tc_action_net_init(tn, &act_gact_ops, GACT_TAB_MASK);
}
static void __net_exit gact_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations gact_net_ops = {
.init = gact_init_net,
.exit = gact_exit_net,
.id = &gact_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
MODULE_DESCRIPTION("Generic Classifier actions");
MODULE_LICENSE("GPL");
static int __init gact_init_module(void)
{
#ifdef CONFIG_GACT_PROB
pr_info("GACT probability on\n");
#else
pr_info("GACT probability NOT on\n");
#endif
return tcf_register_action(&act_gact_ops, &gact_net_ops);
}
static void __exit gact_cleanup_module(void)
{
tcf_unregister_action(&act_gact_ops, &gact_net_ops);
}
module_init(gact_init_module);
module_exit(gact_cleanup_module);
static int tunnel_key_dump(struct sk_buff *skb, struct tc_action *a,
int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_tunnel_key *t = to_tunnel_key(a);
struct tcf_tunnel_key_params *params;
struct tc_tunnel_key opt = {
.index = t->tcf_index,
.refcnt = refcount_read(&t->tcf_refcnt) - ref,
.bindcnt = atomic_read(&t->tcf_bindcnt) - bind,
};
struct tcf_t tm;
spin_lock_bh(&t->tcf_lock);
params = rcu_dereference_protected(t->params,
lockdep_is_held(&t->tcf_lock));
opt.action = t->tcf_action;
opt.t_action = params->tcft_action;
if (nla_put(skb, TCA_TUNNEL_KEY_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
if (params->tcft_action == TCA_TUNNEL_KEY_ACT_SET) {
struct ip_tunnel_info *info =
¶ms->tcft_enc_metadata->u.tun_info;
struct ip_tunnel_key *key = &info->key;
__be32 key_id = tunnel_id_to_key32(key->tun_id);
if (nla_put_be32(skb, TCA_TUNNEL_KEY_ENC_KEY_ID, key_id) ||
tunnel_key_dump_addresses(skb,
¶ms->tcft_enc_metadata->u.tun_info) ||
nla_put_be16(skb, TCA_TUNNEL_KEY_ENC_DST_PORT, key->tp_dst) ||
nla_put_u8(skb, TCA_TUNNEL_KEY_NO_CSUM,
!(key->tun_flags & TUNNEL_CSUM)) ||
tunnel_key_opts_dump(skb, info))
goto nla_put_failure;
if (key->tos && nla_put_u8(skb, TCA_TUNNEL_KEY_ENC_TOS, key->tos))
goto nla_put_failure;
if (key->ttl && nla_put_u8(skb, TCA_TUNNEL_KEY_ENC_TTL, key->ttl))
goto nla_put_failure;
}
tcf_tm_dump(&tm, &t->tcf_tm);
if (nla_put_64bit(skb, TCA_TUNNEL_KEY_TM, sizeof(tm),
&tm, TCA_TUNNEL_KEY_PAD))
goto nla_put_failure;
spin_unlock_bh(&t->tcf_lock);
return skb->len;
nla_put_failure:
spin_unlock_bh(&t->tcf_lock);
nlmsg_trim(skb, b);
return -1;
}
static int tunnel_key_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tunnel_key_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);
return tcf_idr_search(tn, a, index);
}
static struct tc_action_ops act_tunnel_key_ops = {
.kind = "tunnel_key",
.type = TCA_ACT_TUNNEL_KEY,
.owner = THIS_MODULE,
.act = tunnel_key_act,
.dump = tunnel_key_dump,
.init = tunnel_key_init,
.cleanup = tunnel_key_release,
.walk = tunnel_key_walker,
.lookup = tunnel_key_search,
.size = sizeof(struct tcf_tunnel_key),
};
static __net_init int tunnel_key_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);
return tc_action_net_init(tn, &act_tunnel_key_ops);
}
static void __net_exit tunnel_key_exit_net(struct list_head *net_list)
{
tc_action_net_exit(net_list, tunnel_key_net_id);
}
static struct pernet_operations tunnel_key_net_ops = {
.init = tunnel_key_init_net,
.exit_batch = tunnel_key_exit_net,
.id = &tunnel_key_net_id,
.size = sizeof(struct tc_action_net),
};
static int __init tunnel_key_init_module(void)
{
return tcf_register_action(&act_tunnel_key_ops, &tunnel_key_net_ops);
}
static void __exit tunnel_key_cleanup_module(void)
{
tcf_unregister_action(&act_tunnel_key_ops, &tunnel_key_net_ops);
}
module_init(tunnel_key_init_module);
module_exit(tunnel_key_cleanup_module);
MODULE_AUTHOR("Amir Vadai <*****@*****.**>");
MODULE_DESCRIPTION("ip tunnel manipulation actions");
MODULE_LICENSE("GPL v2");
int akm8975_probe(struct i2c_client *client,
const struct i2c_device_id *devid)
{
struct akm8975_data *akm;
int err;
struct akm8975_platform_data *pdata = client->dev.platform_data;
printk("ak8975 probe start!\n");
if (pdata == NULL) {
dev_err(&client->dev, "platform data is NULL. exiting.\n");
err = -ENODEV;
goto exit_platform_data_null;
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
dev_err(&client->dev, "I2C check failed, exiting.\n");
err = -ENODEV;
goto exit_check_functionality_failed;
}
akm = kzalloc(sizeof(struct akm8975_data), GFP_KERNEL);
if (!akm) {
dev_err(&client->dev,
"failed to allocate memory for module data\n");
err = -ENOMEM;
goto exit_alloc_data_failed;
}
akm->pdata = pdata;
if(pdata->power_on)
akm->power_on = pdata->power_on;
if(pdata->power_off)
akm->power_off = pdata->power_off;
#if defined (CONFIG_KOR_MODEL_SHV_E110S) || defined(CONFIG_KOR_MODEL_SHV_E160S) || defined(CONFIG_KOR_MODEL_SHV_E160K) || defined(CONFIG_KOR_MODEL_SHV_E160L) || defined(CONFIG_EUR_MODEL_GT_I9210) \
|| defined(CONFIG_USA_MODEL_SGH_I577)
#if defined(CONFIG_KOR_MODEL_SHV_E160S) || defined(CONFIG_KOR_MODEL_SHV_E160K) || defined(CONFIG_KOR_MODEL_SHV_E160L)
if (get_hw_rev() >= 0x04 ) {
#elif defined(CONFIG_USA_MODEL_SGH_I577)
if (get_hw_rev() >= 0x06 ) {
#else
if (get_hw_rev() >= 0x08 ) {
#endif
/* For Magnetic sensor POR condition */
if(pdata->power_on_mag)
pdata->power_on_mag();
msleep(1);
if(pdata->power_off_mag)
pdata->power_off_mag();
msleep(10);
/* For Magnetic sensor POR condition */
}
#endif
#if defined (CONFIG_USA_MODEL_SGH_I717)
if (get_hw_rev() >= 0x5) {
/* For Magnetic sensor POR condition */
if(pdata->power_on_mag)
pdata->power_on_mag();
msleep(1);
if(pdata->power_off_mag)
pdata->power_off_mag();
msleep(10);
/* For Magnetic sensor POR condition */
}
#endif
if(akm->power_on)
akm->power_on();
mutex_init(&akm->lock);
init_completion(&akm->data_ready);
i2c_set_clientdata(client, akm);
akm->this_client = client;
err = akm8975_ecs_set_mode_power_down(akm);
if (err < 0)
goto exit_set_mode_power_down_failed;
err = akm8975_setup_irq(akm);
if (err) {
pr_err("%s: could not setup irq\n", __func__);
goto exit_setup_irq;
}
akm->akmd_device.minor = MISC_DYNAMIC_MINOR;
akm->akmd_device.name = "akm8975";
akm->akmd_device.fops = &akmd_fops;
err = misc_register(&akm->akmd_device);
if (err)
goto exit_akmd_device_register_failed;
#if defined(CONFIG_USA_MODEL_SGH_I577) || defined(CONFIG_USA_MODEL_SGH_I757) || defined(CONFIG_CAN_MODEL_SGH_I577R) || defined(CONFIG_CAN_MODEL_SGH_I757M)
/* creating class/device for test */
akm->akm8975_class = class_create(THIS_MODULE, "magnetometer");
if(IS_ERR(akm->akm8975_class)) {
pr_err("%s: class create failed(magnetometer)\n", __func__);
err = PTR_ERR(akm->akm8975_class);
goto exit_class_create_failed;
}
akm->akm8975_dev = device_create(akm->akm8975_class, NULL, 0, "%s", "magnetometer");
if(IS_ERR(akm->akm8975_dev)) {
pr_err("%s: device create failed(magnetometer)\n", __func__);
err = PTR_ERR(akm->akm8975_dev);
goto exit_device_create_failed;
}
err = device_create_file(akm->akm8975_dev, &dev_attr_raw_data);
if (err < 0) {
pr_err("%s: failed to create device file(%s)\n", __func__, dev_attr_raw_data.attr.name);
goto exit_device_create_file_failed;
}
dev_set_drvdata(akm->akm8975_dev, akm);
#endif
init_waitqueue_head(&akm->state_wq);
printk("ak8975 probe success!\n");
return 0;
#if defined(CONFIG_USA_MODEL_SGH_I577) || defined(CONFIG_USA_MODEL_SGH_I757) || defined(CONFIG_CAN_MODEL_SGH_I577R) || defined(CONFIG_CAN_MODEL_SGH_I757M)
exit_device_create_file_failed:
device_destroy(akm->akm8975_class, 0);
exit_device_create_failed:
class_destroy(akm->akm8975_class);
exit_class_create_failed:
misc_deregister(&akm->akmd_device);
#endif
exit_akmd_device_register_failed:
free_irq(akm->irq, akm);
// gpio_free(akm->pdata->gpio_data_ready_int);
exit_setup_irq:
exit_set_mode_power_down_failed:
if(akm->power_off)
akm->power_off();
mutex_destroy(&akm->lock);
kfree(akm);
exit_alloc_data_failed:
exit_check_functionality_failed:
exit_platform_data_null:
return err;
}
static int __devexit akm8975_remove(struct i2c_client *client)
{
struct akm8975_data *akm = i2c_get_clientdata(client);
misc_deregister(&akm->akmd_device);
free_irq(akm->irq, akm);
// gpio_free(akm->pdata->gpio_data_ready_int);
mutex_destroy(&akm->lock);
kfree(akm);
return 0;
}
static const struct i2c_device_id akm8975_id[] = {
{AKM8975_I2C_NAME, 0 },
{ }
};
static struct i2c_driver akm8975_driver = {
.probe = akm8975_probe,
.remove = akm8975_remove,
.id_table = akm8975_id,
.driver = {
.pm = &akm8975_pm_ops,
.name = AKM8975_I2C_NAME,
},
};
#ifdef CONFIG_BATTERY_SEC
extern unsigned int is_lpcharging_state(void);
#endif
static int __init akm8975_init(void)
{
#ifdef CONFIG_BATTERY_SEC
if (is_lpcharging_state()) {
pr_info("%s : LPM Charging Mode! return 0\n", __func__);
return 0;
}
#endif
return i2c_add_driver(&akm8975_driver);
}
static void __exit akm8975_exit(void)
{
i2c_del_driver(&akm8975_driver);
}
module_init(akm8975_init);
module_exit(akm8975_exit);
MODULE_DESCRIPTION("AKM8975 compass driver");
MODULE_LICENSE("GPL");
static int axp20x_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
const struct regulator_desc *regulators;
struct regulator_config config = {
.dev = pdev->dev.parent,
.regmap = axp20x->regmap,
.driver_data = axp20x,
};
int ret, i, nregulators;
u32 workmode;
switch (axp20x->variant) {
case AXP202_ID:
case AXP209_ID:
regulators = axp20x_regulators;
nregulators = AXP20X_REG_ID_MAX;
break;
case AXP221_ID:
regulators = axp22x_regulators;
nregulators = AXP22X_REG_ID_MAX;
break;
default:
dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
axp20x->variant);
return -EINVAL;
}
/* This only sets the dcdc freq. Ignore any errors */
axp20x_regulator_parse_dt(pdev);
for (i = 0; i < nregulators; i++) {
rdev = devm_regulator_register(&pdev->dev, ®ulators[i],
&config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "Failed to register %s\n",
regulators[i].name);
return PTR_ERR(rdev);
}
ret = of_property_read_u32(rdev->dev.of_node,
"x-powers,dcdc-workmode",
&workmode);
if (!ret) {
if (axp20x_set_dcdc_workmode(rdev, i, workmode))
dev_err(&pdev->dev, "Failed to set workmode on %s\n",
rdev->desc->name);
}
}
return 0;
}
static struct platform_driver axp20x_regulator_driver = {
.probe = axp20x_regulator_probe,
.driver = {
.name = "axp20x-regulator",
},
};
module_platform_driver(axp20x_regulator_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Carlo Caione <*****@*****.**>");
MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC");
MODULE_ALIAS("platform:axp20x-regulator");
static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
static struct ata_port_info info = {
.sht = &cs5530_sht,
.flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.udma_mask = 0x07,
.port_ops = &cs5530_port_ops
};
/* The docking connector doesn't do UDMA, and it seems not MWDMA */
static struct ata_port_info info_palmax_secondary = {
.sht = &cs5530_sht,
.flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
.pio_mask = 0x1f,
.port_ops = &cs5530_port_ops
};
static struct ata_port_info *port_info[2] = { &info, &info };
/* Chip initialisation */
if (cs5530_init_chip())
return -ENODEV;
if (cs5530_is_palmax())
port_info[1] = &info_palmax_secondary;
/* Now kick off ATA set up */
return ata_pci_init_one(pdev, port_info, 2);
}
static int cs5530_reinit_one(struct pci_dev *pdev)
{
/* If we fail on resume we are doomed */
if (cs5530_init_chip())
BUG();
return ata_pci_device_resume(pdev);
}
static const struct pci_device_id cs5530[] = {
{ PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE), },
{ },
};
static struct pci_driver cs5530_pci_driver = {
.name = DRV_NAME,
.id_table = cs5530,
.probe = cs5530_init_one,
.remove = ata_pci_remove_one,
.suspend = ata_pci_device_suspend,
.resume = cs5530_reinit_one,
};
static int __init cs5530_init(void)
{
return pci_register_driver(&cs5530_pci_driver);
}
static void __exit cs5530_exit(void)
{
pci_unregister_driver(&cs5530_pci_driver);
}
MODULE_AUTHOR("Alan Cox");
MODULE_DESCRIPTION("low-level driver for the Cyrix/NS/AMD 5530");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, cs5530);
MODULE_VERSION(DRV_VERSION);
module_init(cs5530_init);
module_exit(cs5530_exit);
static int tcf_sample_dump(struct sk_buff *skb, struct tc_action *a,
int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_sample *s = to_sample(a);
struct tc_sample opt = {
.index = s->tcf_index,
.refcnt = refcount_read(&s->tcf_refcnt) - ref,
.bindcnt = atomic_read(&s->tcf_bindcnt) - bind,
};
struct tcf_t t;
spin_lock_bh(&s->tcf_lock);
opt.action = s->tcf_action;
if (nla_put(skb, TCA_SAMPLE_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
tcf_tm_dump(&t, &s->tcf_tm);
if (nla_put_64bit(skb, TCA_SAMPLE_TM, sizeof(t), &t, TCA_SAMPLE_PAD))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_SAMPLE_RATE, s->rate))
goto nla_put_failure;
if (s->truncate)
if (nla_put_u32(skb, TCA_SAMPLE_TRUNC_SIZE, s->trunc_size))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_SAMPLE_PSAMPLE_GROUP, s->psample_group_num))
goto nla_put_failure;
spin_unlock_bh(&s->tcf_lock);
return skb->len;
nla_put_failure:
spin_unlock_bh(&s->tcf_lock);
nlmsg_trim(skb, b);
return -1;
}
static int tcf_sample_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, sample_net_id);
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_sample_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, sample_net_id);
return tcf_idr_search(tn, a, index);
}
static struct tc_action_ops act_sample_ops = {
.kind = "sample",
.type = TCA_ACT_SAMPLE,
.owner = THIS_MODULE,
.act = tcf_sample_act,
.dump = tcf_sample_dump,
.init = tcf_sample_init,
.cleanup = tcf_sample_cleanup,
.walk = tcf_sample_walker,
.lookup = tcf_sample_search,
.size = sizeof(struct tcf_sample),
};
static __net_init int sample_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, sample_net_id);
return tc_action_net_init(tn, &act_sample_ops);
}
static void __net_exit sample_exit_net(struct list_head *net_list)
{
tc_action_net_exit(net_list, sample_net_id);
}
static struct pernet_operations sample_net_ops = {
.init = sample_init_net,
.exit_batch = sample_exit_net,
.id = &sample_net_id,
.size = sizeof(struct tc_action_net),
};
static int __init sample_init_module(void)
{
return tcf_register_action(&act_sample_ops, &sample_net_ops);
}
static void __exit sample_cleanup_module(void)
{
tcf_unregister_action(&act_sample_ops, &sample_net_ops);
}
module_init(sample_init_module);
module_exit(sample_cleanup_module);
MODULE_AUTHOR("Yotam Gigi <*****@*****.**>");
MODULE_DESCRIPTION("Packet sampling action");
MODULE_LICENSE("GPL v2");
static int tcf_csum_dump(struct sk_buff *skb,
struct tc_action *a, int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_csum *p = a->priv;
struct tc_csum opt = {
.update_flags = p->update_flags,
.index = p->tcf_index,
.action = p->tcf_action,
.refcnt = p->tcf_refcnt - ref,
.bindcnt = p->tcf_bindcnt - bind,
};
struct tcf_t t;
if (nla_put(skb, TCA_CSUM_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
t.install = jiffies_to_clock_t(jiffies - p->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - p->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(p->tcf_tm.expires);
if (nla_put_64bit(skb, TCA_CSUM_TM, sizeof(t), &t, TCA_CSUM_PAD))
goto nla_put_failure;
return skb->len;
nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
static int tcf_csum_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_csum_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_csum_ops = {
.kind = "csum",
.type = TCA_ACT_CSUM,
.owner = THIS_MODULE,
.act = tcf_csum,
.dump = tcf_csum_dump,
.init = tcf_csum_init,
.walk = tcf_csum_walker,
.lookup = tcf_csum_search,
};
static __net_init int csum_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tc_action_net_init(tn, &act_csum_ops, CSUM_TAB_MASK);
}
static void __net_exit csum_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations csum_net_ops = {
.init = csum_init_net,
.exit = csum_exit_net,
.id = &csum_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_DESCRIPTION("Checksum updating actions");
MODULE_LICENSE("GPL");
static int __init csum_init_module(void)
{
return tcf_register_action(&act_csum_ops, &csum_net_ops);
}
static void __exit csum_cleanup_module(void)
{
tcf_unregister_action(&act_csum_ops, &csum_net_ops);
}
module_init(csum_init_module);
module_exit(csum_cleanup_module);
static ssize_t usbdev_trig_name_store(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct usbdev_trig_data *td = led_cdev->trigger_data;
if (size < 0 || size >= DEV_BUS_ID_SIZE)
return -EINVAL;
write_lock(&td->lock);
strcpy(td->device_name, buf);
if (size > 0 && td->device_name[size - 1] == '\n')
td->device_name[size - 1] = 0;
if (td->device_name[0] != 0) {
struct usbdev_trig_match match = {
.device_name = td->device_name,
};
/* check for existing device to update from */
usb_for_each_dev(&match, usbdev_trig_find_usb_dev);
if (match.usb_dev) {
if (td->usb_dev)
usb_put_dev(td->usb_dev);
td->usb_dev = match.usb_dev;
td->last_urbnum = atomic_read(&match.usb_dev->urbnum);
}
/* updates LEDs, may start timers */
usbdev_trig_update_state(td);
}
write_unlock(&td->lock);
return size;
}
static DEVICE_ATTR(device_name, 0644, usbdev_trig_name_show,
usbdev_trig_name_store);
static ssize_t usbdev_trig_interval_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct usbdev_trig_data *td = led_cdev->trigger_data;
read_lock(&td->lock);
sprintf(buf, "%u\n", jiffies_to_msecs(td->interval));
read_unlock(&td->lock);
return strlen(buf) + 1;
}
static ssize_t usbdev_trig_interval_store(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct usbdev_trig_data *td = led_cdev->trigger_data;
int ret = -EINVAL;
char *after;
unsigned long value = simple_strtoul(buf, &after, 10);
size_t count = after - buf;
if (*after && isspace(*after))
count++;
if (count == size && value <= 10000) {
write_lock(&td->lock);
td->interval = msecs_to_jiffies(value);
usbdev_trig_update_state(td); /* resets timer */
write_unlock(&td->lock);
ret = count;
}
return ret;
}
static DEVICE_ATTR(activity_interval, 0644, usbdev_trig_interval_show,
usbdev_trig_interval_store);
static int usbdev_trig_notify(struct notifier_block *nb,
unsigned long evt,
void *data)
{
struct usb_device *usb_dev;
struct usbdev_trig_data *td;
if (evt != USB_DEVICE_ADD && evt != USB_DEVICE_REMOVE)
return NOTIFY_DONE;
usb_dev = data;
td = container_of(nb, struct usbdev_trig_data, notifier);
write_lock(&td->lock);
if (strcmp(dev_name(&usb_dev->dev), td->device_name))
goto done;
if (evt == USB_DEVICE_ADD) {
usb_get_dev(usb_dev);
if (td->usb_dev != NULL)
usb_put_dev(td->usb_dev);
td->usb_dev = usb_dev;
td->last_urbnum = atomic_read(&usb_dev->urbnum);
} else if (evt == USB_DEVICE_REMOVE) {
if (td->usb_dev != NULL) {
usb_put_dev(td->usb_dev);
td->usb_dev = NULL;
}
}
usbdev_trig_update_state(td);
done:
write_unlock(&td->lock);
return NOTIFY_DONE;
}
/* here's the real work! */
static void usbdev_trig_timer(unsigned long arg)
{
struct usbdev_trig_data *td = (struct usbdev_trig_data *)arg;
int new_urbnum;
write_lock(&td->lock);
if (!td->usb_dev || td->interval == 0) {
/*
* we don't need to do timer work, just reflect device presence
*/
if (td->usb_dev)
led_set_brightness(td->led_cdev, LED_FULL);
else
led_set_brightness(td->led_cdev, LED_OFF);
goto no_restart;
}
if (td->interval)
new_urbnum = atomic_read(&td->usb_dev->urbnum);
else
new_urbnum = 0;
if (td->usb_dev) {
/*
* Base state is ON (device is present). If there's no device,
* we don't get this far and the LED is off.
* OFF -> ON always
* ON -> OFF on activity
*/
if (td->led_cdev->brightness == LED_OFF)
led_set_brightness(td->led_cdev, LED_FULL);
else if (td->last_urbnum != new_urbnum)
led_set_brightness(td->led_cdev, LED_OFF);
} else {
/*
* base state is OFF
* ON -> OFF always
* OFF -> ON on activity
*/
if (td->led_cdev->brightness == LED_FULL)
led_set_brightness(td->led_cdev, LED_OFF);
else if (td->last_urbnum != new_urbnum)
led_set_brightness(td->led_cdev, LED_FULL);
}
td->last_urbnum = new_urbnum;
mod_timer(&td->timer, jiffies + td->interval);
no_restart:
write_unlock(&td->lock);
}
static void usbdev_trig_activate(struct led_classdev *led_cdev)
{
struct usbdev_trig_data *td;
int rc;
td = kzalloc(sizeof(struct usbdev_trig_data), GFP_KERNEL);
if (!td)
return;
rwlock_init(&td->lock);
td->notifier.notifier_call = usbdev_trig_notify;
td->notifier.priority = 10;
setup_timer(&td->timer, usbdev_trig_timer, (unsigned long) td);
td->led_cdev = led_cdev;
td->interval = msecs_to_jiffies(50);
led_cdev->trigger_data = td;
rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
if (rc)
goto err_out;
rc = device_create_file(led_cdev->dev, &dev_attr_activity_interval);
if (rc)
goto err_out_device_name;
usb_register_notify(&td->notifier);
return;
err_out_device_name:
device_remove_file(led_cdev->dev, &dev_attr_device_name);
err_out:
led_cdev->trigger_data = NULL;
kfree(td);
}
static void usbdev_trig_deactivate(struct led_classdev *led_cdev)
{
struct usbdev_trig_data *td = led_cdev->trigger_data;
if (td) {
usb_unregister_notify(&td->notifier);
device_remove_file(led_cdev->dev, &dev_attr_device_name);
device_remove_file(led_cdev->dev, &dev_attr_activity_interval);
write_lock(&td->lock);
if (td->usb_dev) {
usb_put_dev(td->usb_dev);
td->usb_dev = NULL;
}
write_unlock(&td->lock);
del_timer_sync(&td->timer);
kfree(td);
}
}
static struct led_trigger usbdev_led_trigger = {
.name = "usbdev",
.activate = usbdev_trig_activate,
.deactivate = usbdev_trig_deactivate,
};
static int __init usbdev_trig_init(void)
{
return led_trigger_register(&usbdev_led_trigger);
}
static void __exit usbdev_trig_exit(void)
{
led_trigger_unregister(&usbdev_led_trigger);
}
module_init(usbdev_trig_init);
module_exit(usbdev_trig_exit);
MODULE_AUTHOR("Gabor Juhos <*****@*****.**>");
MODULE_DESCRIPTION("USB device LED trigger");
MODULE_LICENSE("GPL v2");
/*
* keypad controller should be initialized in the following sequence
* only, otherwise it might get into FSM stuck state.
*
* - Initialize keypad control parameters, like no. of rows, columns,
* timing values etc.,
* - configure rows and column gpios pull up/down.
* - set irq edge type.
* - enable the keypad controller.
*/
static int __devinit pmic8xxx_kp_probe(struct platform_device *pdev)
{
const struct pm8xxx_keypad_platform_data *pdata =
dev_get_platdata(&pdev->dev);
const struct matrix_keymap_data *keymap_data;
struct pmic8xxx_kp *kp;
int rc;
u8 ctrl_val;
struct pm_gpio kypd_drv = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_OPEN_DRAIN,
.output_value = 0,
.pull = PM_GPIO_PULL_NO,
.vin_sel = PM_GPIO_VIN_S4,
.out_strength = PM_GPIO_STRENGTH_LOW,
.function = PM_GPIO_FUNC_1,
.inv_int_pol = 1,
};
struct pm_gpio kypd_sns = {
.direction = PM_GPIO_DIR_IN,
.pull = PM_GPIO_PULL_UP_31P5,
.vin_sel = PM_GPIO_VIN_S4,
.out_strength = PM_GPIO_STRENGTH_NO,
.function = PM_GPIO_FUNC_NORMAL,
.inv_int_pol = 1,
};
if (!pdata || !pdata->num_cols || !pdata->num_rows ||
pdata->num_cols > PM8XXX_MAX_COLS ||
pdata->num_rows > PM8XXX_MAX_ROWS ||
pdata->num_cols < PM8XXX_MIN_COLS) {
dev_err(&pdev->dev, "invalid platform data\n");
return -EINVAL;
}
if (!pdata->scan_delay_ms ||
pdata->scan_delay_ms > MAX_SCAN_DELAY ||
pdata->scan_delay_ms < MIN_SCAN_DELAY ||
!is_power_of_2(pdata->scan_delay_ms)) {
dev_err(&pdev->dev, "invalid keypad scan time supplied\n");
return -EINVAL;
}
if (!pdata->row_hold_ns ||
pdata->row_hold_ns > MAX_ROW_HOLD_DELAY ||
pdata->row_hold_ns < MIN_ROW_HOLD_DELAY ||
((pdata->row_hold_ns % MIN_ROW_HOLD_DELAY) != 0)) {
dev_err(&pdev->dev, "invalid keypad row hold time supplied\n");
return -EINVAL;
}
if (!pdata->debounce_ms ||
((pdata->debounce_ms % 5) != 0) ||
pdata->debounce_ms > MAX_DEBOUNCE_TIME ||
pdata->debounce_ms < MIN_DEBOUNCE_TIME) {
dev_err(&pdev->dev, "invalid debounce time supplied\n");
return -EINVAL;
}
keymap_data = pdata->keymap_data;
if (!keymap_data) {
dev_err(&pdev->dev, "no keymap data supplied\n");
return -EINVAL;
}
kp = kzalloc(sizeof(*kp), GFP_KERNEL);
if (!kp)
return -ENOMEM;
platform_set_drvdata(pdev, kp);
kp->pdata = pdata;
kp->dev = &pdev->dev;
kp->input = input_allocate_device();
if (!kp->input) {
dev_err(&pdev->dev, "unable to allocate input device\n");
rc = -ENOMEM;
goto err_alloc_device;
}
kp->key_sense_irq = platform_get_irq(pdev, 0);
if (kp->key_sense_irq < 0) {
dev_err(&pdev->dev, "unable to get keypad sense irq\n");
rc = -ENXIO;
goto err_get_irq;
}
kp->key_stuck_irq = platform_get_irq(pdev, 1);
if (kp->key_stuck_irq < 0) {
dev_err(&pdev->dev, "unable to get keypad stuck irq\n");
rc = -ENXIO;
goto err_get_irq;
}
kp->input->name = pdata->input_name ? : "PMIC8XXX keypad";
kp->input->phys = pdata->input_phys_device ? : "pmic8xxx_keypad/input0";
kp->input->dev.parent = &pdev->dev;
kp->input->id.bustype = BUS_I2C;
kp->input->id.version = 0x0001;
kp->input->id.product = 0x0001;
kp->input->id.vendor = 0x0001;
kp->input->evbit[0] = BIT_MASK(EV_KEY);
if (pdata->rep)
__set_bit(EV_REP, kp->input->evbit);
kp->input->keycode = kp->keycodes;
kp->input->keycodemax = PM8XXX_MATRIX_MAX_SIZE;
kp->input->keycodesize = sizeof(kp->keycodes);
kp->input->open = pmic8xxx_kp_open;
kp->input->close = pmic8xxx_kp_close;
matrix_keypad_build_keymap(keymap_data, PM8XXX_ROW_SHIFT,
kp->input->keycode, kp->input->keybit);
input_set_capability(kp->input, EV_MSC, MSC_SCAN);
input_set_drvdata(kp->input, kp);
/* initialize keypad state */
memset(kp->keystate, 0xff, sizeof(kp->keystate));
memset(kp->stuckstate, 0xff, sizeof(kp->stuckstate));
rc = pmic8xxx_kpd_init(kp);
if (rc < 0) {
dev_err(&pdev->dev, "unable to initialize keypad controller\n");
goto err_get_irq;
}
rc = pmic8xxx_kp_config_gpio(pdata->cols_gpio_start,
pdata->num_cols, kp, &kypd_sns);
if (rc < 0) {
dev_err(&pdev->dev, "unable to configure keypad sense lines\n");
goto err_gpio_config;
}
rc = pmic8xxx_kp_config_gpio(pdata->rows_gpio_start,
pdata->num_rows, kp, &kypd_drv);
if (rc < 0) {
dev_err(&pdev->dev, "unable to configure keypad drive lines\n");
goto err_gpio_config;
}
rc = request_any_context_irq(kp->key_sense_irq, pmic8xxx_kp_irq,
IRQF_TRIGGER_RISING, "pmic-keypad", kp);
if (rc < 0) {
dev_err(&pdev->dev, "failed to request keypad sense irq\n");
goto err_get_irq;
}
rc = request_any_context_irq(kp->key_stuck_irq, pmic8xxx_kp_stuck_irq,
IRQF_TRIGGER_RISING, "pmic-keypad-stuck", kp);
if (rc < 0) {
dev_err(&pdev->dev, "failed to request keypad stuck irq\n");
goto err_req_stuck_irq;
}
rc = pmic8xxx_kp_read_u8(kp, &ctrl_val, KEYP_CTRL);
if (rc < 0) {
dev_err(&pdev->dev, "failed to read KEYP_CTRL register\n");
goto err_pmic_reg_read;
}
kp->ctrl_reg = ctrl_val;
rc = input_register_device(kp->input);
if (rc < 0) {
dev_err(&pdev->dev, "unable to register keypad input device\n");
goto err_pmic_reg_read;
}
device_init_wakeup(&pdev->dev, pdata->wakeup);
#if defined(CONFIG_MACH_KS02)
/*sysfs*/
kp->sec_keypad = device_create(sec_class, NULL, 0, kp, "sec_keypad");
if (IS_ERR(kp->sec_keypad))
dev_err(&pdev->dev, "Failed to create sec_key device\n");
rc = sysfs_create_group(&kp->sec_keypad->kobj, &key_attr_group);
if (rc) {
dev_err(&pdev->dev, "Failed to create the test sysfs: %d\n",
rc);
}
#endif
return 0;
err_pmic_reg_read:
free_irq(kp->key_stuck_irq, kp);
err_req_stuck_irq:
free_irq(kp->key_sense_irq, kp);
err_gpio_config:
err_get_irq:
input_free_device(kp->input);
err_alloc_device:
platform_set_drvdata(pdev, NULL);
kfree(kp);
return rc;
}
static int __devexit pmic8xxx_kp_remove(struct platform_device *pdev)
{
struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);
device_init_wakeup(&pdev->dev, 0);
free_irq(kp->key_stuck_irq, kp);
free_irq(kp->key_sense_irq, kp);
input_unregister_device(kp->input);
kfree(kp);
platform_set_drvdata(pdev, NULL);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int pmic8xxx_kp_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);
struct input_dev *input_dev = kp->input;
if (device_may_wakeup(dev)) {
enable_irq_wake(kp->key_sense_irq);
} else {
mutex_lock(&input_dev->mutex);
if (input_dev->users)
pmic8xxx_kp_disable(kp);
mutex_unlock(&input_dev->mutex);
}
key_suspend = 1;
return 0;
}
static int pmic8xxx_kp_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);
struct input_dev *input_dev = kp->input;
if (device_may_wakeup(dev)) {
disable_irq_wake(kp->key_sense_irq);
} else {
mutex_lock(&input_dev->mutex);
if (input_dev->users)
pmic8xxx_kp_enable(kp);
mutex_unlock(&input_dev->mutex);
}
key_suspend = 0;
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(pm8xxx_kp_pm_ops,
pmic8xxx_kp_suspend, pmic8xxx_kp_resume);
static struct platform_driver pmic8xxx_kp_driver = {
.probe = pmic8xxx_kp_probe,
.remove = __devexit_p(pmic8xxx_kp_remove),
.driver = {
.name = PM8XXX_KEYPAD_DEV_NAME,
.owner = THIS_MODULE,
.pm = &pm8xxx_kp_pm_ops,
},
};
module_platform_driver(pmic8xxx_kp_driver);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("PMIC8XXX keypad driver");
MODULE_VERSION("1.0");
MODULE_ALIAS("platform:pmic8xxx_keypad");
MODULE_AUTHOR("Trilok Soni <*****@*****.**>");
int nx842_crypto_decompress(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen)
{
struct nx842_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
struct nx842_crypto_header *hdr;
struct nx842_crypto_param p;
struct nx842_constraints c = *ctx->driver->constraints;
int n, ret, hdr_len;
u16 ignore = 0;
check_constraints(&c);
p.in = (u8 *)src;
p.iremain = slen;
p.out = dst;
p.oremain = *dlen;
p.ototal = 0;
*dlen = 0;
hdr = (struct nx842_crypto_header *)src;
spin_lock_bh(&ctx->lock);
/* If it doesn't start with our header magic number, assume it's a raw
* 842 compressed buffer and pass it directly to the hardware driver
*/
if (be16_to_cpu(hdr->magic) != NX842_CRYPTO_MAGIC) {
struct nx842_crypto_header_group g = {
.padding = 0,
.compressed_length = cpu_to_be32(p.iremain),
.uncompressed_length = cpu_to_be32(p.oremain),
};
ret = decompress(ctx, &p, &g, &c, 0);
if (ret)
goto unlock;
goto success;
}
if (!hdr->groups) {
pr_err("header has no groups\n");
ret = -EINVAL;
goto unlock;
}
if (hdr->groups > NX842_CRYPTO_GROUP_MAX) {
pr_err("header has too many groups %x, max %x\n",
hdr->groups, NX842_CRYPTO_GROUP_MAX);
ret = -EINVAL;
goto unlock;
}
hdr_len = NX842_CRYPTO_HEADER_SIZE(hdr->groups);
if (hdr_len > slen) {
ret = -EOVERFLOW;
goto unlock;
}
memcpy(&ctx->header, src, hdr_len);
hdr = &ctx->header;
for (n = 0; n < hdr->groups; n++) {
/* ignore applies to last group */
if (n + 1 == hdr->groups)
ignore = be16_to_cpu(hdr->ignore);
ret = decompress(ctx, &p, &hdr->group[n], &c, ignore);
if (ret)
goto unlock;
}
success:
*dlen = p.ototal;
pr_debug("decompress total slen %x dlen %x\n", slen, *dlen);
ret = 0;
unlock:
spin_unlock_bh(&ctx->lock);
return ret;
}
EXPORT_SYMBOL_GPL(nx842_crypto_decompress);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("IBM PowerPC Nest (NX) 842 Hardware Compression Driver");
MODULE_AUTHOR("Dan Streetman <*****@*****.**>");
static long wb_smsc_wdt_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int new_timeout;
union {
struct watchdog_info __user *ident;
int __user *i;
} uarg;
static const struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
WDIOF_SETTIMEOUT |
WDIOF_MAGICCLOSE,
.firmware_version = 0,
.identity = "SMsC 37B787 Watchdog",
};
uarg.i = (int __user *)arg;
switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(uarg.ident, &ident, sizeof(ident))
? -EFAULT : 0;
case WDIOC_GETSTATUS:
return put_user(wb_smsc_wdt_status(), uarg.i);
case WDIOC_GETBOOTSTATUS:
return put_user(0, uarg.i);
case WDIOC_SETOPTIONS:
{
int options, retval = -EINVAL;
if (get_user(options, uarg.i))
return -EFAULT;
if (options & WDIOS_DISABLECARD) {
wb_smsc_wdt_disable();
retval = 0;
}
if (options & WDIOS_ENABLECARD) {
wb_smsc_wdt_enable();
retval = 0;
}
return retval;
}
case WDIOC_KEEPALIVE:
wb_smsc_wdt_reset_timer();
return 0;
case WDIOC_SETTIMEOUT:
if (get_user(new_timeout, uarg.i))
return -EFAULT;
if (unit == UNIT_MINUTE)
new_timeout /= 60;
if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
return -EINVAL;
timeout = new_timeout;
wb_smsc_wdt_set_timeout(timeout);
case WDIOC_GETTIMEOUT:
new_timeout = timeout;
if (unit == UNIT_MINUTE)
new_timeout *= 60;
return put_user(new_timeout, uarg.i);
default:
return -ENOTTY;
}
}
static int wb_smsc_wdt_notify_sys(struct notifier_block *this,
unsigned long code, void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT) {
timeout = 0;
wb_smsc_wdt_disable();
}
return NOTIFY_DONE;
}
static const struct file_operations wb_smsc_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wb_smsc_wdt_write,
.unlocked_ioctl = wb_smsc_wdt_ioctl,
.open = wb_smsc_wdt_open,
.release = wb_smsc_wdt_release,
};
static struct notifier_block wb_smsc_wdt_notifier = {
.notifier_call = wb_smsc_wdt_notify_sys,
};
static struct miscdevice wb_smsc_wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wb_smsc_wdt_fops,
};
static int __init wb_smsc_wdt_init(void)
{
int ret;
pr_info("SMsC 37B787 watchdog component driver "
VERSION " initialising...\n");
if (!request_region(IOPORT, IOPORT_SIZE, "SMsC 37B787 watchdog")) {
pr_err("Unable to register IO port %#x\n", IOPORT);
ret = -EBUSY;
goto out_pnp;
}
if (timeout > MAX_TIMEOUT)
timeout = MAX_TIMEOUT;
wb_smsc_wdt_initialize();
ret = register_reboot_notifier(&wb_smsc_wdt_notifier);
if (ret) {
pr_err("Unable to register reboot notifier err = %d\n", ret);
goto out_io;
}
ret = misc_register(&wb_smsc_wdt_miscdev);
if (ret) {
pr_err("Unable to register miscdev on minor %d\n",
WATCHDOG_MINOR);
goto out_rbt;
}
pr_info("Timeout set to %d %s\n",
timeout, (unit == UNIT_SECOND) ? "second(s)" : "minute(s)");
pr_info("Watchdog initialized and sleeping (nowayout=%d)...\n",
nowayout);
out_clean:
return ret;
out_rbt:
unregister_reboot_notifier(&wb_smsc_wdt_notifier);
out_io:
release_region(IOPORT, IOPORT_SIZE);
out_pnp:
goto out_clean;
}
static void __exit wb_smsc_wdt_exit(void)
{
if (!nowayout) {
wb_smsc_wdt_shutdown();
pr_info("Watchdog disabled\n");
}
misc_deregister(&wb_smsc_wdt_miscdev);
unregister_reboot_notifier(&wb_smsc_wdt_notifier);
release_region(IOPORT, IOPORT_SIZE);
pr_info("SMsC 37B787 watchdog component driver removed\n");
}
module_init(wb_smsc_wdt_init);
module_exit(wb_smsc_wdt_exit);
MODULE_AUTHOR("Sven Anders <*****@*****.**>");
MODULE_DESCRIPTION("Driver for SMsC 37B787 watchdog component (Version "
VERSION ")");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
#ifdef SMSC_SUPPORT_MINUTES
module_param(unit, int, 0);
MODULE_PARM_DESC(unit,
"set unit to use, 0=seconds or 1=minutes, default is 0");
#endif
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout, "range is 1-255 units, default is 60");
module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout,
"Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static int vfe_probe(struct platform_device *pdev)
{
struct vfe_device *vfe_dev;
/*struct msm_cam_subdev_info sd_info;*/
const struct of_device_id *match_dev;
int rc = 0;
struct msm_iova_partition vfe_partition = {
.start = SZ_128K,
.size = SZ_2G - SZ_128K,
};
struct msm_iova_layout vfe_layout = {
.partitions = &vfe_partition,
.npartitions = 1,
.client_name = "vfe",
.domain_flags = 0,
};
vfe_dev = kzalloc(sizeof(struct vfe_device), GFP_KERNEL);
if (!vfe_dev) {
pr_err("%s: no enough memory\n", __func__);
rc = -ENOMEM;
goto end;
}
vfe_dev->stats = kzalloc(sizeof(struct msm_isp_statistics), GFP_KERNEL);
if (!vfe_dev->stats) {
pr_err("%s: no enough memory\n", __func__);
rc = -ENOMEM;
goto probe_fail1;
}
vfe_dev->ub_info = kzalloc(sizeof(struct msm_isp_ub_info), GFP_KERNEL);
if (!vfe_dev->ub_info) {
pr_err("%s: no enough memory\n", __func__);
rc = -ENOMEM;
goto probe_fail2;
}
if (pdev->dev.of_node) {
of_property_read_u32((&pdev->dev)->of_node,
"cell-index", &pdev->id);
match_dev = of_match_device(msm_vfe_dt_match, &pdev->dev);
if (!match_dev) {
pr_err("%s: No vfe hardware info\n", __func__);
rc = -EINVAL;
goto probe_fail3;
}
vfe_dev->hw_info =
(struct msm_vfe_hardware_info *) match_dev->data;
} else {
vfe_dev->hw_info = (struct msm_vfe_hardware_info *)
platform_get_device_id(pdev)->driver_data;
}
if (!vfe_dev->hw_info) {
pr_err("%s: No vfe hardware info\n", __func__);
rc = -EINVAL;
goto probe_fail3;
}
ISP_DBG("%s: device id = %d\n", __func__, pdev->id);
vfe_dev->pdev = pdev;
vfe_dev->dual_vfe_res = &dualvfe;
vfe_dev->dual_vfe_res->axi_data[vfe_dev->pdev->id] =
&vfe_dev->axi_data;
vfe_dev->dual_vfe_res->stats_data[vfe_dev->pdev->id] =
&vfe_dev->stats_data;
rc = vfe_dev->hw_info->vfe_ops.core_ops.get_platform_data(vfe_dev);
if (rc < 0) {
pr_err("%s: failed to get platform resources\n", __func__);
rc = -ENOMEM;
goto probe_fail3;
}
INIT_LIST_HEAD(&vfe_dev->tasklet_q);
tasklet_init(&vfe_dev->vfe_tasklet,
msm_isp_do_tasklet, (unsigned long)vfe_dev);
/* init hardware will enable it back */
tasklet_disable(&vfe_dev->vfe_tasklet);
v4l2_subdev_init(&vfe_dev->subdev.sd, vfe_dev->hw_info->subdev_ops);
vfe_dev->subdev.sd.internal_ops =
vfe_dev->hw_info->subdev_internal_ops;
snprintf(vfe_dev->subdev.sd.name,
ARRAY_SIZE(vfe_dev->subdev.sd.name),
"vfe");
vfe_dev->subdev.sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
vfe_dev->subdev.sd.flags |= V4L2_SUBDEV_FL_HAS_EVENTS;
v4l2_set_subdevdata(&vfe_dev->subdev.sd, vfe_dev);
platform_set_drvdata(pdev, &vfe_dev->subdev.sd);
mutex_init(&vfe_dev->realtime_mutex);
mutex_init(&vfe_dev->core_mutex);
mutex_init(&vfe_dev->buf_mgr_mutex);
spin_lock_init(&vfe_dev->tasklet_lock);
spin_lock_init(&vfe_dev->shared_data_lock);
spin_lock_init(&vfe_dev->reg_update_lock);
spin_lock_init(&vfe_dev->shared_cfg_reg_lock); //LGE_CHANGE, 20150609, Change spin_lock for watchodog case using shard_data_lock, changhwan.kang.kang
spin_lock_init(&req_history_lock);
media_entity_init(&vfe_dev->subdev.sd.entity, 0, NULL, 0);
vfe_dev->subdev.sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
vfe_dev->subdev.sd.entity.group_id = MSM_CAMERA_SUBDEV_VFE;
vfe_dev->subdev.sd.entity.name = pdev->name;
vfe_dev->subdev.close_seq = MSM_SD_CLOSE_1ST_CATEGORY | 0x2;
rc = msm_sd_register(&vfe_dev->subdev);
if (rc != 0) {
pr_err("%s: msm_sd_register error = %d\n", __func__, rc);
goto probe_fail3;
}
msm_isp_v4l2_subdev_fops.owner = v4l2_subdev_fops.owner;
msm_isp_v4l2_subdev_fops.open = v4l2_subdev_fops.open;
msm_isp_v4l2_subdev_fops.release = v4l2_subdev_fops.release;
msm_isp_v4l2_subdev_fops.poll = v4l2_subdev_fops.poll;
vfe_dev->subdev.sd.devnode->fops = &msm_isp_v4l2_subdev_fops;
vfe_dev->buf_mgr = &vfe_buf_mgr;
v4l2_subdev_notify(&vfe_dev->subdev.sd,
MSM_SD_NOTIFY_REQ_CB, &vfe_vb2_ops);
rc = msm_isp_create_isp_buf_mgr(vfe_dev->buf_mgr,
&vfe_vb2_ops, &vfe_layout);
if (rc < 0) {
pr_err("%s: Unable to create buffer manager\n", __func__);
rc = -EINVAL;
goto probe_fail3;
}
/* create secure context banks*/
if (vfe_dev->hw_info->num_iommu_secure_ctx) {
/*secure vfe layout*/
struct msm_iova_layout vfe_secure_layout = {
.partitions = &vfe_partition,
.npartitions = 1,
.client_name = "vfe_secure",
.domain_flags = 0,
.is_secure = MSM_IOMMU_DOMAIN_SECURE,
};
rc = msm_isp_create_secure_domain(vfe_dev->buf_mgr,
&vfe_secure_layout);
if (rc < 0) {
pr_err("%s: fail to create secure domain\n", __func__);
msm_sd_unregister(&vfe_dev->subdev);
rc = -EINVAL;
goto probe_fail3;
}
}
msm_isp_enable_debugfs(vfe_dev, msm_isp_bw_request_history);
vfe_dev->buf_mgr->ops->register_ctx(vfe_dev->buf_mgr,
&vfe_dev->iommu_ctx[0], &vfe_dev->iommu_secure_ctx[0],
vfe_dev->hw_info->num_iommu_ctx,
vfe_dev->hw_info->num_iommu_secure_ctx);
vfe_dev->buf_mgr->init_done = 1;
vfe_dev->vfe_open_cnt = 0;
return rc;
probe_fail3:
kfree(vfe_dev->ub_info);
probe_fail2:
kfree(vfe_dev->stats);
probe_fail1:
kfree(vfe_dev);
end:
return rc;
}
static struct platform_driver vfe_driver = {
.probe = vfe_probe,
.driver = {
.name = "msm_vfe",
.owner = THIS_MODULE,
.of_match_table = msm_vfe_dt_match,
},
.id_table = msm_vfe_dev_id,
};
static int __init msm_vfe_init_module(void)
{
return platform_driver_register(&vfe_driver);
}
static void __exit msm_vfe_exit_module(void)
{
platform_driver_unregister(&vfe_driver);
}
module_init(msm_vfe_init_module);
module_exit(msm_vfe_exit_module);
MODULE_DESCRIPTION("MSM VFE driver");
MODULE_LICENSE("GPL v2");
static long pc87413_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
int new_timeout;
union {
struct watchdog_info __user *ident;
int __user *i;
} uarg;
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
WDIOF_SETTIMEOUT |
WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "PC87413(HF/F) watchdog",
};
uarg.i = (int __user *)arg;
switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(uarg.ident, &ident,
sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
return put_user(pc87413_status(), uarg.i);
case WDIOC_GETBOOTSTATUS:
return put_user(0, uarg.i);
case WDIOC_SETOPTIONS:
{
int options, retval = -EINVAL;
if (get_user(options, uarg.i))
return -EFAULT;
if (options & WDIOS_DISABLECARD) {
pc87413_disable();
retval = 0;
}
if (options & WDIOS_ENABLECARD) {
pc87413_enable();
retval = 0;
}
return retval;
}
case WDIOC_KEEPALIVE:
pc87413_refresh();
#ifdef DEBUG
printk(KERN_INFO DPFX "keepalive\n");
#endif
return 0;
case WDIOC_SETTIMEOUT:
if (get_user(new_timeout, uarg.i))
return -EFAULT;
/* the API states this is given in secs */
new_timeout /= 60;
if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
return -EINVAL;
timeout = new_timeout;
pc87413_refresh();
/* fall through and return the new timeout... */
case WDIOC_GETTIMEOUT:
new_timeout = timeout * 60;
return put_user(new_timeout, uarg.i);
default:
return -ENOTTY;
}
}
/* -- Notifier funtions -----------------------------------------*/
/**
* notify_sys:
* @this: our notifier block
* @code: the event being reported
* @unused: unused
*
* Our notifier is called on system shutdowns. We want to turn the card
* off at reboot otherwise the machine will reboot again during memory
* test or worse yet during the following fsck. This would suck, in fact
* trust me - if it happens it does suck.
*/
static int pc87413_notify_sys(struct notifier_block *this,
unsigned long code,
void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT)
/* Turn the card off */
pc87413_disable();
return NOTIFY_DONE;
}
/* -- Module's structures ---------------------------------------*/
static const struct file_operations pc87413_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pc87413_write,
.unlocked_ioctl = pc87413_ioctl,
.open = pc87413_open,
.release = pc87413_release,
};
static struct notifier_block pc87413_notifier = {
.notifier_call = pc87413_notify_sys,
};
static struct miscdevice pc87413_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &pc87413_fops,
};
/* -- Module init functions -------------------------------------*/
/**
* pc87413_init: module's "constructor"
*
* Set up the WDT watchdog board. All we have to do is grab the
* resources we require and bitch if anyone beat us to them.
* The open() function will actually kick the board off.
*/
static int __init pc87413_init(void)
{
int ret;
printk(KERN_INFO PFX "Version " VERSION " at io 0x%X\n",
WDT_INDEX_IO_PORT);
/* request_region(io, 2, "pc87413"); */
ret = register_reboot_notifier(&pc87413_notifier);
if (ret != 0) {
printk(KERN_ERR PFX
"cannot register reboot notifier (err=%d)\n", ret);
}
ret = misc_register(&pc87413_miscdev);
if (ret != 0) {
printk(KERN_ERR PFX
"cannot register miscdev on minor=%d (err=%d)\n",
WATCHDOG_MINOR, ret);
unregister_reboot_notifier(&pc87413_notifier);
return ret;
}
printk(KERN_INFO PFX "initialized. timeout=%d min \n", timeout);
pc87413_enable();
return 0;
}
/**
* pc87413_exit: module's "destructor"
*
* Unload the watchdog. You cannot do this with any file handles open.
* If your watchdog is set to continue ticking on close and you unload
* it, well it keeps ticking. We won't get the interrupt but the board
* will not touch PC memory so all is fine. You just have to load a new
* module in 60 seconds or reboot.
*/
static void __exit pc87413_exit(void)
{
/* Stop the timer before we leave */
if (!nowayout) {
pc87413_disable();
printk(KERN_INFO MODNAME "Watchdog disabled.\n");
}
misc_deregister(&pc87413_miscdev);
unregister_reboot_notifier(&pc87413_notifier);
/* release_region(io, 2); */
printk(KERN_INFO MODNAME " watchdog component driver removed.\n");
}
module_init(pc87413_init);
module_exit(pc87413_exit);
MODULE_AUTHOR("Sven Anders <*****@*****.**>, "
"Marcus Junker <*****@*****.**>,");
MODULE_DESCRIPTION("PC87413 WDT driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
module_param(io, int, 0);
MODULE_PARM_DESC(io, MODNAME " I/O port (default: " __MODULE_STRING(io) ").");
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout,
"Watchdog timeout in minutes (default="
__MODULE_STRING(timeout) ").");
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout,
"Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_skbedit *d = a->priv;
struct tc_skbedit opt = {
.index = d->tcf_index,
.refcnt = d->tcf_refcnt - ref,
.bindcnt = d->tcf_bindcnt - bind,
.action = d->tcf_action,
};
struct tcf_t t;
NLA_PUT(skb, TCA_SKBEDIT_PARMS, sizeof(opt), &opt);
if (d->flags & SKBEDIT_F_PRIORITY)
NLA_PUT(skb, TCA_SKBEDIT_PRIORITY, sizeof(d->priority),
&d->priority);
if (d->flags & SKBEDIT_F_QUEUE_MAPPING)
NLA_PUT(skb, TCA_SKBEDIT_QUEUE_MAPPING,
sizeof(d->queue_mapping), &d->queue_mapping);
if (d->flags & SKBEDIT_F_MARK)
NLA_PUT(skb, TCA_SKBEDIT_MARK, sizeof(d->mark),
&d->mark);
t.install = jiffies_to_clock_t(jiffies - d->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - d->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(d->tcf_tm.expires);
NLA_PUT(skb, TCA_SKBEDIT_TM, sizeof(t), &t);
return skb->len;
nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
static struct tc_action_ops act_skbedit_ops = {
.kind = "skbedit",
.hinfo = &skbedit_hash_info,
.type = TCA_ACT_SKBEDIT,
.capab = TCA_CAP_NONE,
.owner = THIS_MODULE,
.act = tcf_skbedit,
.dump = tcf_skbedit_dump,
.cleanup = tcf_skbedit_cleanup,
.init = tcf_skbedit_init,
.walk = tcf_generic_walker,
};
MODULE_AUTHOR("Alexander Duyck, <*****@*****.**>");
MODULE_DESCRIPTION("SKB Editing");
MODULE_LICENSE("GPL");
static int __init skbedit_init_module(void)
{
return tcf_register_action(&act_skbedit_ops);
}
static void __exit skbedit_cleanup_module(void)
{
tcf_unregister_action(&act_skbedit_ops);
}
module_init(skbedit_init_module);
module_exit(skbedit_cleanup_module);
static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
{
unsigned char *b = skb_tail_pointer(skb);
struct tcf_gact *gact = a->priv;
struct tc_gact opt = {
.index = gact->tcf_index,
.refcnt = gact->tcf_refcnt - ref,
.bindcnt = gact->tcf_bindcnt - bind,
.action = gact->tcf_action,
};
struct tcf_t t;
NLA_PUT(skb, TCA_GACT_PARMS, sizeof(opt), &opt);
#ifdef CONFIG_GACT_PROB
if (gact->tcfg_ptype) {
struct tc_gact_p p_opt = {
.paction = gact->tcfg_paction,
.pval = gact->tcfg_pval,
.ptype = gact->tcfg_ptype,
};
NLA_PUT(skb, TCA_GACT_PROB, sizeof(p_opt), &p_opt);
}
#endif
t.install = jiffies_to_clock_t(jiffies - gact->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - gact->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(gact->tcf_tm.expires);
NLA_PUT(skb, TCA_GACT_TM, sizeof(t), &t);
return skb->len;
nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
static struct tc_action_ops act_gact_ops = {
.kind = "gact",
.hinfo = &gact_hash_info,
.type = TCA_ACT_GACT,
.capab = TCA_CAP_NONE,
.owner = THIS_MODULE,
.act = tcf_gact,
.dump = tcf_gact_dump,
.cleanup = tcf_gact_cleanup,
.lookup = tcf_hash_search,
.init = tcf_gact_init,
.walk = tcf_generic_walker
};
MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
MODULE_DESCRIPTION("Generic Classifier actions");
MODULE_LICENSE("GPL");
static int __init gact_init_module(void)
{
#ifdef CONFIG_GACT_PROB
printk(KERN_INFO "GACT probability on\n");
#else
printk(KERN_INFO "GACT probability NOT on\n");
#endif
return tcf_register_action(&act_gact_ops);
}
static void __exit gact_cleanup_module(void)
{
tcf_unregister_action(&act_gact_ops);
}
module_init(gact_init_module);
module_exit(gact_cleanup_module);
static int ds1343_probe(struct spi_device *spi)
{
struct ds1343_priv *priv;
struct regmap_config config = { .reg_bits = 8, .val_bits = 8,
.write_flag_mask = 0x80, };
unsigned int data;
int res;
struct nvmem_config nvmem_cfg = {
.name = "ds1343-",
.word_size = 1,
.stride = 1,
.size = DS1343_NVRAM_LEN,
.reg_read = ds1343_nvram_read,
.reg_write = ds1343_nvram_write,
};
priv = devm_kzalloc(&spi->dev, sizeof(struct ds1343_priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->spi = spi;
mutex_init(&priv->mutex);
/* RTC DS1347 works in spi mode 3 and
* its chip select is active high
*/
spi->mode = SPI_MODE_3 | SPI_CS_HIGH;
spi->bits_per_word = 8;
res = spi_setup(spi);
if (res)
return res;
spi_set_drvdata(spi, priv);
priv->map = devm_regmap_init_spi(spi, &config);
if (IS_ERR(priv->map)) {
dev_err(&spi->dev, "spi regmap init failed for rtc ds1343\n");
return PTR_ERR(priv->map);
}
res = regmap_read(priv->map, DS1343_SECONDS_REG, &data);
if (res)
return res;
regmap_read(priv->map, DS1343_CONTROL_REG, &data);
data |= DS1343_INTCN;
data &= ~(DS1343_EOSC | DS1343_A1IE | DS1343_A0IE);
regmap_write(priv->map, DS1343_CONTROL_REG, data);
regmap_read(priv->map, DS1343_STATUS_REG, &data);
data &= ~(DS1343_OSF | DS1343_IRQF1 | DS1343_IRQF0);
regmap_write(priv->map, DS1343_STATUS_REG, data);
priv->rtc = devm_rtc_allocate_device(&spi->dev);
if (IS_ERR(priv->rtc))
return PTR_ERR(priv->rtc);
priv->rtc->nvram_old_abi = true;
priv->rtc->ops = &ds1343_rtc_ops;
res = rtc_register_device(priv->rtc);
if (res)
return res;
nvmem_cfg.priv = priv;
rtc_nvmem_register(priv->rtc, &nvmem_cfg);
priv->irq = spi->irq;
if (priv->irq >= 0) {
res = devm_request_threaded_irq(&spi->dev, spi->irq, NULL,
ds1343_thread, IRQF_ONESHOT,
"ds1343", priv);
if (res) {
priv->irq = -1;
dev_err(&spi->dev,
"unable to request irq for rtc ds1343\n");
} else {
device_init_wakeup(&spi->dev, true);
dev_pm_set_wake_irq(&spi->dev, spi->irq);
}
}
res = ds1343_sysfs_register(&spi->dev);
if (res)
dev_err(&spi->dev,
"unable to create sysfs entries for rtc ds1343\n");
return 0;
}
static int ds1343_remove(struct spi_device *spi)
{
struct ds1343_priv *priv = spi_get_drvdata(spi);
if (spi->irq) {
mutex_lock(&priv->mutex);
priv->irqen &= ~RTC_AF;
mutex_unlock(&priv->mutex);
dev_pm_clear_wake_irq(&spi->dev);
device_init_wakeup(&spi->dev, false);
devm_free_irq(&spi->dev, spi->irq, priv);
}
spi_set_drvdata(spi, NULL);
ds1343_sysfs_unregister(&spi->dev);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int ds1343_suspend(struct device *dev)
{
struct spi_device *spi = to_spi_device(dev);
if (spi->irq >= 0 && device_may_wakeup(dev))
enable_irq_wake(spi->irq);
return 0;
}
static int ds1343_resume(struct device *dev)
{
struct spi_device *spi = to_spi_device(dev);
if (spi->irq >= 0 && device_may_wakeup(dev))
disable_irq_wake(spi->irq);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(ds1343_pm, ds1343_suspend, ds1343_resume);
static struct spi_driver ds1343_driver = {
.driver = {
.name = "ds1343",
.pm = &ds1343_pm,
},
.probe = ds1343_probe,
.remove = ds1343_remove,
.id_table = ds1343_id,
};
module_spi_driver(ds1343_driver);
MODULE_DESCRIPTION("DS1343 RTC SPI Driver");
MODULE_AUTHOR("Raghavendra Chandra Ganiga <*****@*****.**>,"
"Ankur Srivastava <*****@*****.**>");
MODULE_LICENSE("GPL v2");
