diff options
| author |   Stefan Schmidt <s.schmidt@samsung.com> | 2015-05-29 10:51:26 +0200 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2015-05-31 13:40:53 +0200 |
| commit | 8702cb0f21905a2a96f61c5106a2c42d41c17999 (patch) | |
| tree | fd0c68d6e0f4bbbdb7d9342ca5a06ea15c00d445 /drivers/net/ieee802154/atusb.c | |
| parent | ieee802154/atusb: Add function for partial register writes (diff) | |
| download | linux-dev-8702cb0f21905a2a96f61c5106a2c42d41c17999.tar.xz linux-dev-8702cb0f21905a2a96f61c5106a2c42d41c17999.zip | |
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>
Diffstat (limited to 'drivers/net/ieee802154/atusb.c')
| -rw-r--r-- | drivers/net/ieee802154/atusb.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c index 95d42205fd53..9805ebeccd75 100644 --- a/drivers/net/ieee802154/atusb.c +++ b/drivers/net/ieee802154/atusb.c @@ -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); |