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ieee802154/atusb: Add .set_txpower operation to the driver 

Atusb uses the at86rf231 transceiver so we can use the same calculation
for txpower settings for it.

Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Reviewed-by: Varka Bhadram <varkabhadram@gmail.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Stefan Schmidt 2015-05-29 10:51:26 +02:00 committed by Marcel Holtmann
parent bdc7873727
commit 8702cb0f21
1 changed files with 26 additions and 0 deletions
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26
drivers/net/ieee802154/atusb.c
View File

@ -453,6 +453,26 @@ static void atusb_stop(struct ieee802154_hw *hw)
atusb_get_and_clear_error(atusb);
}
#define ATUSB_MAX_TX_POWERS 0xF
static const s32 atusb_powers[ATUSB_MAX_TX_POWERS + 1] = {
300, 280, 230, 180, 130, 70, 0, -100, -200, -300, -400, -500, -700,
-900, -1200, -1700,
};
static int
atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
{
struct atusb *atusb = hw->priv;
u32 i;
for (i = 0; i < hw->phy->supported.tx_powers_size; i++) {
if (hw->phy->supported.tx_powers[i] == mbm)
return atusb_write_subreg(atusb, SR_TX_PWR_23X, i);
}
return -EINVAL;
}
static struct ieee802154_ops atusb_ops = {
.owner = THIS_MODULE,
.xmit_async = atusb_xmit,
@ -461,6 +481,7 @@ static struct ieee802154_ops atusb_ops = {
.start = atusb_start,
.stop = atusb_stop,
.set_hw_addr_filt = atusb_set_hw_addr_filt,
.set_txpower = atusb_set_txpower,
};
/* ----- Firmware and chip version information ----------------------------- */
@ -581,9 +602,14 @@ static int atusb_probe(struct usb_interface *interface,
hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
IEEE802154_HW_AACK;
hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;
hw->phy->current_page = 0;
hw->phy->current_channel = 11; /* reset default */
hw->phy->supported.channels[0] = 0x7FFF800;
hw->phy->supported.tx_powers = atusb_powers;
hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
hw->phy->transmit_power = hw->phy->supported.tx_powers[0];
ieee802154_random_extended_addr(&hw->phy->perm_extended_addr);
atusb_command(atusb, ATUSB_RF_RESET, 0);