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authorRafał Miłecki <zajec5@gmail.com>2014-07-20 12:57:45 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-07-22 13:53:18 -0400
commit16e754535a69152c12494da18eb3ea7947f5a434 (patch)
treebd45b3cf6a9c76e05ff3f979046a304c5abfd6be /drivers/net/wireless
parentc11082f0c00acde7c9049e92dbcafd1f73fb60e6 (diff)
b43: extract one more radio parameter: version
Some radios may share the same ID and revision but differ by a version. E.g. radio in BCM5357B0 is version 1 and requires specific handling. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/b43/main.c46
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 73f629ccfa0..47b6fa5fa5b 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4385,8 +4385,9 @@ 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 +4453,9 @@ 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 +4464,10 @@ 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 +4486,16 @@ 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;
@@ -4501,31 +4503,31 @@ 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 &&
+ 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:
@@ -4533,15 +4535,17 @@ 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;