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mrf24j40: add cca mode support 

This patch supports cca mode handling for mrf24j40.

Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2015-09-21 11:24:38 +02:00 committed by Marcel Holtmann
parent 2323cf38f9
commit f1d7812722
1 changed files with 40 additions and 0 deletions
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40
drivers/net/ieee802154/mrf24j40.c
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@ -791,6 +791,37 @@ mrf24j40_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be,
return regmap_update_bits(devrec->regmap_short, REG_TXMCR, 0x1f, val);
}
static int mrf24j40_set_cca_mode(struct ieee802154_hw *hw,
const struct wpan_phy_cca *cca)
{
struct mrf24j40 *devrec = hw->priv;
u8 val;
/* mapping 802.15.4 to driver spec */
switch (cca->mode) {
case NL802154_CCA_ENERGY:
val = 2;
break;
case NL802154_CCA_CARRIER:
val = 1;
break;
case NL802154_CCA_ENERGY_CARRIER:
switch (cca->opt) {
case NL802154_CCA_OPT_ENERGY_CARRIER_AND:
val = 3;
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
return regmap_update_bits(devrec->regmap_short, REG_BBREG2, 0xc0,
val << 6);
}
static const struct ieee802154_ops mrf24j40_ops = {
.owner = THIS_MODULE,
.xmit_async = mrf24j40_tx,
@ -800,6 +831,7 @@ static const struct ieee802154_ops mrf24j40_ops = {
.set_channel = mrf24j40_set_channel,
.set_hw_addr_filt = mrf24j40_filter,
.set_csma_params = mrf24j40_csma_params,
.set_cca_mode = mrf24j40_set_cca_mode,
};
static void mrf24j40_intstat_complete(void *context)
@ -1003,6 +1035,12 @@ static void mrf24j40_phy_setup(struct mrf24j40 *devrec)
*/
devrec->hw->phy->supported.min_maxbe = 5;
devrec->hw->phy->supported.max_maxbe = 5;
devrec->hw->phy->cca.mode = NL802154_CCA_CARRIER;;
devrec->hw->phy->supported.cca_modes = BIT(NL802154_CCA_ENERGY) |
BIT(NL802154_CCA_CARRIER) |
BIT(NL802154_CCA_ENERGY_CARRIER);
devrec->hw->phy->supported.cca_opts = BIT(NL802154_CCA_OPT_ENERGY_CARRIER_AND);
}
static int mrf24j40_probe(struct spi_device *spi)
@ -1028,6 +1066,8 @@ static int mrf24j40_probe(struct spi_device *spi)
devrec->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
IEEE802154_HW_CSMA_PARAMS;
devrec->hw->phy->flags = WPAN_PHY_FLAG_CCA_MODE;
mrf24j40_setup_tx_spi_messages(devrec);
mrf24j40_setup_rx_spi_messages(devrec);
mrf24j40_setup_irq_spi_messages(devrec);