#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/skbuff.h>
-#include <linux/pinctrl/consumer.h>
#include <linux/of_gpio.h>
+#include <linux/ieee802154.h>
#include <net/mac802154.h>
-#include <net/wpan-phy.h>
-#include <net/ieee802154.h>
+#include <net/cfg802154.h>
#define SPI_COMMAND_BUFFER 3
#define HIGH 1
/* Driver private information */
struct cc2520_private {
struct spi_device *spi; /* SPI device structure */
- struct ieee802154_dev *dev; /* IEEE-802.15.4 device */
+ struct ieee802154_hw *hw; /* IEEE-802.15.4 device */
u8 *buf; /* SPI TX/Rx data buffer */
struct mutex buffer_mutex; /* SPI buffer mutex */
bool is_tx; /* Flag for sync b/w Tx and Rx */
return status;
}
-static int cc2520_start(struct ieee802154_dev *dev)
+static int cc2520_start(struct ieee802154_hw *hw)
{
- return cc2520_cmd_strobe(dev->priv, CC2520_CMD_SRXON);
+ return cc2520_cmd_strobe(hw->priv, CC2520_CMD_SRXON);
}
-static void cc2520_stop(struct ieee802154_dev *dev)
+static void cc2520_stop(struct ieee802154_hw *hw)
{
- cc2520_cmd_strobe(dev->priv, CC2520_CMD_SRFOFF);
+ cc2520_cmd_strobe(hw->priv, CC2520_CMD_SRFOFF);
}
static int
-cc2520_tx(struct ieee802154_dev *dev, struct sk_buff *skb)
+cc2520_tx(struct ieee802154_hw *hw, struct sk_buff *skb)
{
- struct cc2520_private *priv = dev->priv;
+ struct cc2520_private *priv = hw->priv;
unsigned long flags;
int rc;
u8 status = 0;
return rc;
}
-
static int cc2520_rx(struct cc2520_private *priv)
{
u8 len = 0, lqi = 0, bytes = 1;
if (len < 2 || len > IEEE802154_MTU)
return -EINVAL;
- skb = alloc_skb(len, GFP_KERNEL);
+ skb = dev_alloc_skb(len);
if (!skb)
return -ENOMEM;
skb_trim(skb, skb->len - 2);
- ieee802154_rx_irqsafe(priv->dev, skb, lqi);
+ ieee802154_rx_irqsafe(priv->hw, skb, lqi);
dev_vdbg(&priv->spi->dev, "RXFIFO: %x %x\n", len, lqi);
}
static int
-cc2520_ed(struct ieee802154_dev *dev, u8 *level)
+cc2520_ed(struct ieee802154_hw *hw, u8 *level)
{
- struct cc2520_private *priv = dev->priv;
+ struct cc2520_private *priv = hw->priv;
u8 status = 0xff;
u8 rssi;
int ret;
}
static int
-cc2520_set_channel(struct ieee802154_dev *dev, int page, int channel)
+cc2520_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
{
- struct cc2520_private *priv = dev->priv;
+ struct cc2520_private *priv = hw->priv;
int ret;
- might_sleep();
dev_dbg(&priv->spi->dev, "trying to set channel\n");
BUG_ON(page != 0);
}
static int
-cc2520_filter(struct ieee802154_dev *dev,
+cc2520_filter(struct ieee802154_hw *hw,
struct ieee802154_hw_addr_filt *filt, unsigned long changed)
{
- struct cc2520_private *priv = dev->priv;
+ struct cc2520_private *priv = hw->priv;
- if (changed & IEEE802515_AFILT_PANID_CHANGED) {
+ if (changed & IEEE802154_AFILT_PANID_CHANGED) {
u16 panid = le16_to_cpu(filt->pan_id);
dev_vdbg(&priv->spi->dev,
sizeof(panid), (u8 *)&panid);
}
- if (changed & IEEE802515_AFILT_IEEEADDR_CHANGED) {
+ if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) {
dev_vdbg(&priv->spi->dev,
"cc2520_filter called for IEEE addr\n");
cc2520_write_ram(priv, CC2520RAM_IEEEADDR,
(u8 *)&filt->ieee_addr);
}
- if (changed & IEEE802515_AFILT_SADDR_CHANGED) {
+ if (changed & IEEE802154_AFILT_SADDR_CHANGED) {
u16 addr = le16_to_cpu(filt->short_addr);
dev_vdbg(&priv->spi->dev,
sizeof(addr), (u8 *)&addr);
}
- if (changed & IEEE802515_AFILT_PANC_CHANGED) {
+ if (changed & IEEE802154_AFILT_PANC_CHANGED) {
dev_vdbg(&priv->spi->dev,
"cc2520_filter called for panc change\n");
if (filt->pan_coord)
return 0;
}
-static struct ieee802154_ops cc2520_ops = {
+static const struct ieee802154_ops cc2520_ops = {
.owner = THIS_MODULE,
.start = cc2520_start,
.stop = cc2520_stop,
- .xmit = cc2520_tx,
+ .xmit_sync = cc2520_tx,
.ed = cc2520_ed,
.set_channel = cc2520_set_channel,
.set_hw_addr_filt = cc2520_filter,
{
int ret = -ENOMEM;
- priv->dev = ieee802154_alloc_device(sizeof(*priv), &cc2520_ops);
- if (!priv->dev)
+ priv->hw = ieee802154_alloc_hw(sizeof(*priv), &cc2520_ops);
+ if (!priv->hw)
goto err_ret;
- priv->dev->priv = priv;
- priv->dev->parent = &priv->spi->dev;
- priv->dev->extra_tx_headroom = 0;
+ priv->hw->priv = priv;
+ priv->hw->parent = &priv->spi->dev;
+ priv->hw->extra_tx_headroom = 0;
+ priv->hw->vif_data_size = sizeof(*priv);
+ ieee802154_random_extended_addr(&priv->hw->phy->perm_extended_addr);
/* We do support only 2.4 Ghz */
- priv->dev->phy->channels_supported[0] = 0x7FFF800;
- priv->dev->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK;
+ priv->hw->phy->channels_supported[0] = 0x7FFF800;
+ priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
+ IEEE802154_HW_AFILT;
dev_vdbg(&priv->spi->dev, "registered cc2520\n");
- ret = ieee802154_register_device(priv->dev);
+ ret = ieee802154_register_hw(priv->hw);
if (ret)
goto err_free_device;
return 0;
err_free_device:
- ieee802154_free_device(priv->dev);
+ ieee802154_free_hw(priv->hw);
err_ret:
return ret;
}
static int cc2520_probe(struct spi_device *spi)
{
struct cc2520_private *priv;
- struct pinctrl *pinctrl;
struct cc2520_platform_data *pdata;
int ret;
- priv = devm_kzalloc(&spi->dev,
- sizeof(struct cc2520_private), GFP_KERNEL);
- if (!priv) {
- ret = -ENOMEM;
- goto err_ret;
- }
+ priv = devm_kzalloc(&spi->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
spi_set_drvdata(spi, priv);
- pinctrl = devm_pinctrl_get_select_default(&spi->dev);
- if (IS_ERR(pinctrl))
- dev_warn(&spi->dev,
- "pinctrl pins are not configured");
-
pdata = cc2520_get_platform_data(spi);
if (!pdata) {
dev_err(&spi->dev, "no platform data\n");
priv->buf = devm_kzalloc(&spi->dev,
SPI_COMMAND_BUFFER, GFP_KERNEL);
- if (!priv->buf) {
- ret = -ENOMEM;
- goto err_ret;
- }
+ if (!priv->buf)
+ return -ENOMEM;
mutex_init(&priv->buffer_mutex);
INIT_WORK(&priv->fifop_irqwork, cc2520_fifop_irqwork);
if (ret)
goto err_hw_init;
-
gpio_set_value(pdata->vreg, HIGH);
usleep_range(100, 150);
err_hw_init:
mutex_destroy(&priv->buffer_mutex);
flush_work(&priv->fifop_irqwork);
-
-err_ret:
return ret;
}
mutex_destroy(&priv->buffer_mutex);
flush_work(&priv->fifop_irqwork);
- ieee802154_unregister_device(priv->dev);
- ieee802154_free_device(priv->dev);
+ ieee802154_unregister_hw(priv->hw);
+ ieee802154_free_hw(priv->hw);
return 0;
}
projects / cascardo / linux.git / blobdiff