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path: root/drivers/net/wireless/b43/main.c
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Diffstat (limited to 'drivers/net/wireless/b43/main.c')
-rw-r--r--drivers/net/wireless/b43/main.c74
1 files changed, 50 insertions, 24 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 3e127be06bfb..d7055febe119 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -290,6 +290,14 @@ static struct ieee80211_channel b43_5ghz_nphy_chantable[] = {
CHAN5G(182, 0),
};
+static struct ieee80211_channel b43_5ghz_nphy_chantable_limited[] = {
+ CHAN5G(36, 0), CHAN5G(40, 0),
+ CHAN5G(44, 0), CHAN5G(48, 0),
+ CHAN5G(149, 0), CHAN5G(153, 0),
+ CHAN5G(157, 0), CHAN5G(161, 0),
+ CHAN5G(165, 0),
+};
+
static struct ieee80211_channel b43_5ghz_aphy_chantable[] = {
CHAN5G(34, 0), CHAN5G(36, 0),
CHAN5G(38, 0), CHAN5G(40, 0),
@@ -322,6 +330,14 @@ static struct ieee80211_supported_band b43_band_5GHz_nphy = {
.n_bitrates = b43_a_ratetable_size,
};
+static struct ieee80211_supported_band b43_band_5GHz_nphy_limited = {
+ .band = IEEE80211_BAND_5GHZ,
+ .channels = b43_5ghz_nphy_chantable_limited,
+ .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable_limited),
+ .bitrates = b43_a_ratetable,
+ .n_bitrates = b43_a_ratetable_size,
+};
+
static struct ieee80211_supported_band b43_band_5GHz_aphy = {
.band = IEEE80211_BAND_5GHZ,
.channels = b43_5ghz_aphy_chantable,
@@ -4385,8 +4401,9 @@ static int b43_phy_versioning(struct b43_wldev *dev)
u8 phy_type;
u8 phy_rev;
u16 radio_manuf;
- u16 radio_ver;
+ u16 radio_id;
u16 radio_rev;
+ u8 radio_ver;
int unsupported = 0;
/* Get PHY versioning */
@@ -4452,7 +4469,9 @@ static int b43_phy_versioning(struct b43_wldev *dev)
radio_rev = b43_read16(dev, B43_MMIO_RADIO24_DATA);
b43_write16(dev, B43_MMIO_RADIO24_CONTROL, 1);
- radio_ver = b43_read16(dev, B43_MMIO_RADIO24_DATA);
+ radio_id = b43_read16(dev, B43_MMIO_RADIO24_DATA);
+
+ radio_ver = 0; /* Is there version somewhere? */
} else if (core_rev >= 24) {
u16 radio24[3];
@@ -4461,12 +4480,10 @@ static int b43_phy_versioning(struct b43_wldev *dev)
radio24[tmp] = b43_read16(dev, B43_MMIO_RADIO24_DATA);
}
- /* Broadcom uses "id" for our "ver" and has separated "ver" */
- /* radio_ver = (radio24[0] & 0xF0) >> 4; */
-
radio_manuf = 0x17F;
- radio_ver = (radio24[2] << 8) | radio24[1];
+ radio_id = (radio24[2] << 8) | radio24[1];
radio_rev = (radio24[0] & 0xF);
+ radio_ver = (radio24[0] & 0xF0) >> 4;
} else {
if (dev->dev->chip_id == 0x4317) {
if (dev->dev->chip_rev == 0)
@@ -4485,15 +4502,16 @@ static int b43_phy_versioning(struct b43_wldev *dev)
<< 16;
}
radio_manuf = (tmp & 0x00000FFF);
- radio_ver = (tmp & 0x0FFFF000) >> 12;
+ radio_id = (tmp & 0x0FFFF000) >> 12;
radio_rev = (tmp & 0xF0000000) >> 28;
+ radio_ver = 0; /* Probably not available on old hw */
}
if (radio_manuf != 0x17F /* Broadcom */)
unsupported = 1;
switch (phy_type) {
case B43_PHYTYPE_A:
- if (radio_ver != 0x2060)
+ if (radio_id != 0x2060)
unsupported = 1;
if (radio_rev != 1)
unsupported = 1;
@@ -4501,30 +4519,31 @@ static int b43_phy_versioning(struct b43_wldev *dev)
unsupported = 1;
break;
case B43_PHYTYPE_B:
- if ((radio_ver & 0xFFF0) != 0x2050)
+ if ((radio_id & 0xFFF0) != 0x2050)
unsupported = 1;
break;
case B43_PHYTYPE_G:
- if (radio_ver != 0x2050)
+ if (radio_id != 0x2050)
unsupported = 1;
break;
case B43_PHYTYPE_N:
- if (radio_ver != 0x2055 && radio_ver != 0x2056 &&
- radio_ver != 0x2057)
+ if (radio_id != 0x2055 && radio_id != 0x2056 &&
+ radio_id != 0x2057)
unsupported = 1;
- if (radio_ver == 0x2057 && !(radio_rev == 9))
+ if (radio_id == 0x2057 &&
+ !(radio_rev == 9 || radio_rev == 14))
unsupported = 1;
break;
case B43_PHYTYPE_LP:
- if (radio_ver != 0x2062 && radio_ver != 0x2063)
+ if (radio_id != 0x2062 && radio_id != 0x2063)
unsupported = 1;
break;
case B43_PHYTYPE_HT:
- if (radio_ver != 0x2059)
+ if (radio_id != 0x2059)
unsupported = 1;
break;
case B43_PHYTYPE_LCN:
- if (radio_ver != 0x2064)
+ if (radio_id != 0x2064)
unsupported = 1;
break;
default:
@@ -4532,15 +4551,17 @@ static int b43_phy_versioning(struct b43_wldev *dev)
}
if (unsupported) {
b43err(dev->wl,
- "FOUND UNSUPPORTED RADIO (Manuf 0x%X, ID 0x%X, Revision %u)\n",
- radio_manuf, radio_ver, radio_rev);
+ "FOUND UNSUPPORTED RADIO (Manuf 0x%X, ID 0x%X, Revision %u, Version %u)\n",
+ radio_manuf, radio_id, radio_rev, radio_ver);
return -EOPNOTSUPP;
}
- b43info(dev->wl, "Found Radio: Manuf 0x%X, ID 0x%X, Revision %u\n",
- radio_manuf, radio_ver, radio_rev);
+ b43info(dev->wl,
+ "Found Radio: Manuf 0x%X, ID 0x%X, Revision %u, Version %u\n",
+ radio_manuf, radio_id, radio_rev, radio_ver);
+ /* FIXME: b43 treats "id" as "ver" and ignores the real "ver" */
phy->radio_manuf = radio_manuf;
- phy->radio_ver = radio_ver;
+ phy->radio_ver = radio_id;
phy->radio_rev = radio_rev;
phy->analog = analog_type;
@@ -5150,16 +5171,22 @@ static int b43_setup_bands(struct b43_wldev *dev,
struct ieee80211_hw *hw = dev->wl->hw;
struct b43_phy *phy = &dev->phy;
bool limited_2g;
+ bool limited_5g;
/* We don't support all 2 GHz channels on some devices */
- limited_2g = phy->radio_ver == 0x2057 && phy->radio_rev == 9;
+ limited_2g = phy->radio_ver == 0x2057 &&
+ (phy->radio_rev == 9 || phy->radio_rev == 14);
+ limited_5g = phy->radio_ver == 0x2057 &&
+ phy->radio_rev == 9;
if (have_2ghz_phy)
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = limited_2g ?
&b43_band_2ghz_limited : &b43_band_2GHz;
if (dev->phy.type == B43_PHYTYPE_N) {
if (have_5ghz_phy)
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_nphy;
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] = limited_5g ?
+ &b43_band_5GHz_nphy_limited :
+ &b43_band_5GHz_nphy;
} else {
if (have_5ghz_phy)
hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_aphy;
@@ -5311,7 +5338,6 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
switch (dev->phy.type) {
case B43_PHYTYPE_A:
case B43_PHYTYPE_G:
- case B43_PHYTYPE_N:
case B43_PHYTYPE_LP:
case B43_PHYTYPE_HT:
b43warn(wl, "5 GHz band is unsupported on this PHY\n");
generated by cgit v1.2.3-70-g09d2 (git 2.51.0) at 2025-09-26 16:43:48 +0000