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Commit 8702cb0f authored by Stefan Schmidt's avatar Stefan Schmidt Committed by Marcel Holtmann
Browse files

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: default avatarStefan Schmidt <stefan@osg.samsung.com>
Reviewed-by: default avatarVarka Bhadram <varkabhadram@gmail.com>
Acked-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent bdc78737

drivers/net/ieee802154/atusb.c

+26 −0
Original line number Diff line number Diff line
@@ -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);