[PATCH 2/3] b43: HT-PHY: add place for implementing channel switching

Rafał Miłecki
2011-06-19T10:17:20Z

drivers/net/wireless/b43/phy_ht.c | 61 +++++++++++++++++++++++++++++++++++-
1 files changed, 59 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c
index 763dbb0..12ad47f 100644
--- a/drivers/net/wireless/b43/phy_ht.c
+++ b/drivers/net/wireless/b43/phy_ht.c
@@ -27,6 +27,49 @@
#include "radio_2059.h"
#include "main.h"

+static void b43_radio_2059_channel_setup(struct b43_wldev *dev,
+ const struct b43_phy_ht_channeltab_e_radio2059 *e)
+{
+ /* TODO */
+}
+
+static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
+ const struct b43_phy_ht_channeltab_e_phy *e,
+ struct ieee80211_channel *new_channel)
+{
+ /* TODO */
+}
+
+static int b43_phy_ht_set_channel(struct b43_wldev *dev,
+ struct ieee80211_channel *channel,
+ enum nl80211_channel_type channel_type)
+{
+ struct b43_phy *phy = &dev->phy;
+
+ const struct b43_phy_ht_channeltab_e_radio2059 *chent_r2059 = NULL;
+
+ if (phy->radio_ver == 0x2059) {
+ chent_r2059 = b43_phy_ht_get_channeltab_e_r2059(dev,
+ channel->center_freq);
+ if (!chent_r2059)
+ return -ESRCH;
+ } else {
+ return -ESRCH;
+ }
+
+ /* TODO: In case of N-PHY some bandwidth switching goes here */
+
+ if (phy->radio_ver == 0x2059) {
+ b43_radio_2059_channel_setup(dev, chent_r2059);
+ b43_phy_ht_channel_setup(dev, &(chent_r2059->phy_regs),
+ channel);
+ } else {
+ return -ESRCH;
+ }
+
+ return 0;
+}
+
/**************************************************
* Basic PHY ops.
**************************************************/
@@ -96,6 +139,22 @@ static void b43_phy_ht_op_switch_analog(struct b43_wldev *dev, bool on)
}
}

+static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev,
+ unsigned int new_channel)
+{
+ struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
+ enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
+
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ if ((new_channel < 1) || (new_channel > 14))
+ return -EINVAL;
+ } else {
+ return -EINVAL;
+ }
+
+ return b43_phy_ht_set_channel(dev, channel, channel_type);
+}
+
static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev)
{
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
@@ -161,9 +220,7 @@ const struct b43_phy_operations b43_phyops_ht = {
.radio_write = b43_phy_ht_op_radio_write,
.software_rfkill = b43_phy_ht_op_software_rfkill,
.switch_analog = b43_phy_ht_op_switch_analog,
- /*
.switch_channel = b43_phy_ht_op_switch_channel,
- */
.get_default_chan = b43_phy_ht_op_get_default_chan,
/*
.recalc_txpower = b43_phy_ht_op_recalc_txpower,
--
1.7.3.4