From: Stefan Schmidt <s.schmidt@xxxxxxxxxxx>
Atusb uses the at86rf231 transceiver so we can use the same calculation
for txpower settings for it.
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>
---
drivers/net/ieee802154/atusb.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 93431a5..531a1d4 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -452,6 +452,26 @@ 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,
@@ -460,6 +480,7 @@ 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 ----------------------------- */
@@ -580,9 +601,14 @@ 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);
--
2.1.0
--
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