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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-16 07:35:14 +00:00
b43: Fix any N-PHY related WARN_ON() in the attach stage.
This fixes all WARN_ON()s in the attach stage. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
d5c71e4641
commit
96c755a392
2 changed files with 59 additions and 91 deletions
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@ -328,17 +328,22 @@ enum {
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#define B43_MACCMD_CCA 0x00000008 /* Clear channel assessment */
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#define B43_MACCMD_CCA 0x00000008 /* Clear channel assessment */
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#define B43_MACCMD_BGNOISE 0x00000010 /* Background noise */
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#define B43_MACCMD_BGNOISE 0x00000010 /* Background noise */
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/* 802.11 core specific TM State Low flags */
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/* 802.11 core specific TM State Low (SSB_TMSLOW) flags */
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#define B43_TMSLOW_GMODE 0x20000000 /* G Mode Enable */
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#define B43_TMSLOW_GMODE 0x20000000 /* G Mode Enable */
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#define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select */
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#define B43_TMSLOW_PHYCLKSPEED 0x00C00000 /* PHY clock speed mask (N-PHY only) */
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#define B43_TMSLOW_PHYCLKSPEED_40MHZ 0x00000000 /* 40 MHz PHY */
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#define B43_TMSLOW_PHYCLKSPEED_80MHZ 0x00400000 /* 80 MHz PHY */
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#define B43_TMSLOW_PHYCLKSPEED_160MHZ 0x00800000 /* 160 MHz PHY */
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#define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select (rev >= 5) */
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#define B43_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Control Enable (rev >= 5) */
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#define B43_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Control Enable (rev >= 5) */
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#define B43_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */
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#define B43_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */
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#define B43_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */
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#define B43_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */
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/* 802.11 core specific TM State High flags */
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/* 802.11 core specific TM State High (SSB_TMSHIGH) flags */
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#define B43_TMSHIGH_DUALBAND_PHY 0x00080000 /* Dualband PHY available */
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#define B43_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available (rev >= 5) */
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#define B43_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available (rev >= 5) */
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#define B43_TMSHIGH_APHY 0x00020000 /* A-PHY available (rev >= 5) */
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#define B43_TMSHIGH_HAVE_5GHZ_PHY 0x00020000 /* 5 GHz PHY available (rev >= 5) */
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#define B43_TMSHIGH_GPHY 0x00010000 /* G-PHY available (rev >= 5) */
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#define B43_TMSHIGH_HAVE_2GHZ_PHY 0x00010000 /* 2.4 GHz PHY available (rev >= 5) */
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/* Generic-Interrupt reasons. */
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/* Generic-Interrupt reasons. */
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#define B43_IRQ_MAC_SUSPENDED 0x00000001
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#define B43_IRQ_MAC_SUSPENDED 0x00000001
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@ -132,7 +132,7 @@ static struct ieee80211_rate __b43_ratetable[] = {
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.power_level = 0xFF, \
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.power_level = 0xFF, \
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.antenna_max = 0xFF, \
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.antenna_max = 0xFF, \
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}
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}
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static struct ieee80211_channel b43_bg_chantable[] = {
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static struct ieee80211_channel b43_2ghz_chantable[] = {
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CHANTAB_ENT(1, 2412),
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CHANTAB_ENT(1, 2412),
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CHANTAB_ENT(2, 2417),
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CHANTAB_ENT(2, 2417),
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CHANTAB_ENT(3, 2422),
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CHANTAB_ENT(3, 2422),
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@ -148,9 +148,10 @@ static struct ieee80211_channel b43_bg_chantable[] = {
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CHANTAB_ENT(13, 2472),
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CHANTAB_ENT(13, 2472),
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CHANTAB_ENT(14, 2484),
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CHANTAB_ENT(14, 2484),
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};
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};
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#define b43_2ghz_chantable_size ARRAY_SIZE(b43_2ghz_chantable)
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#define b43_bg_chantable_size ARRAY_SIZE(b43_bg_chantable)
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#if 0
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static struct ieee80211_channel b43_a_chantable[] = {
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static struct ieee80211_channel b43_5ghz_chantable[] = {
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CHANTAB_ENT(36, 5180),
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CHANTAB_ENT(36, 5180),
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CHANTAB_ENT(40, 5200),
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CHANTAB_ENT(40, 5200),
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CHANTAB_ENT(44, 5220),
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CHANTAB_ENT(44, 5220),
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@ -165,8 +166,8 @@ static struct ieee80211_channel b43_a_chantable[] = {
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CHANTAB_ENT(161, 5805),
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CHANTAB_ENT(161, 5805),
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CHANTAB_ENT(165, 5825),
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CHANTAB_ENT(165, 5825),
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};
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};
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#define b43_5ghz_chantable_size ARRAY_SIZE(b43_5ghz_chantable)
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#define b43_a_chantable_size ARRAY_SIZE(b43_a_chantable)
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#endif
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static void b43_wireless_core_exit(struct b43_wldev *dev);
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static void b43_wireless_core_exit(struct b43_wldev *dev);
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static int b43_wireless_core_init(struct b43_wldev *dev);
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static int b43_wireless_core_init(struct b43_wldev *dev);
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@ -1614,7 +1615,7 @@ static int b43_request_firmware(struct b43_wldev *dev)
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switch (dev->phy.type) {
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switch (dev->phy.type) {
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case B43_PHYTYPE_A:
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case B43_PHYTYPE_A:
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if ((rev >= 5) && (rev <= 10)) {
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if ((rev >= 5) && (rev <= 10)) {
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if (tmshigh & B43_TMSHIGH_GPHY)
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if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
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filename = "a0g1initvals5";
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filename = "a0g1initvals5";
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else
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else
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filename = "a0g0initvals5";
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filename = "a0g0initvals5";
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@ -1640,7 +1641,7 @@ static int b43_request_firmware(struct b43_wldev *dev)
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switch (dev->phy.type) {
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switch (dev->phy.type) {
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case B43_PHYTYPE_A:
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case B43_PHYTYPE_A:
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if ((rev >= 5) && (rev <= 10)) {
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if ((rev >= 5) && (rev <= 10)) {
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if (tmshigh & B43_TMSHIGH_GPHY)
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if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
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filename = "a0g1bsinitvals5";
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filename = "a0g1bsinitvals5";
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else
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else
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filename = "a0g0bsinitvals5";
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filename = "a0g0bsinitvals5";
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@ -3090,6 +3091,8 @@ static int b43_phy_versioning(struct b43_wldev *dev)
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radio_manuf = (tmp & 0x00000FFF);
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radio_manuf = (tmp & 0x00000FFF);
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radio_ver = (tmp & 0x0FFFF000) >> 12;
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radio_ver = (tmp & 0x0FFFF000) >> 12;
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radio_rev = (tmp & 0xF0000000) >> 28;
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radio_rev = (tmp & 0xF0000000) >> 28;
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if (radio_manuf != 0x17F /* Broadcom */)
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unsupported = 1;
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switch (phy_type) {
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switch (phy_type) {
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case B43_PHYTYPE_A:
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case B43_PHYTYPE_A:
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if (radio_ver != 0x2060)
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if (radio_ver != 0x2060)
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@ -3107,6 +3110,10 @@ static int b43_phy_versioning(struct b43_wldev *dev)
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if (radio_ver != 0x2050)
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if (radio_ver != 0x2050)
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unsupported = 1;
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unsupported = 1;
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break;
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break;
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case B43_PHYTYPE_N:
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if (radio_ver != 5)
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unsupported = 1;
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break;
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default:
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default:
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B43_WARN_ON(1);
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B43_WARN_ON(1);
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}
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}
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@ -3610,72 +3617,30 @@ static void b43_chip_reset(struct work_struct *work)
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}
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}
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static int b43_setup_modes(struct b43_wldev *dev,
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static int b43_setup_modes(struct b43_wldev *dev,
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int have_aphy, int have_bphy, int have_gphy)
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bool have_2ghz_phy, bool have_5ghz_phy)
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{
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{
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struct ieee80211_hw *hw = dev->wl->hw;
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struct ieee80211_hw *hw = dev->wl->hw;
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struct ieee80211_hw_mode *mode;
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struct ieee80211_hw_mode *mode;
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struct b43_phy *phy = &dev->phy;
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struct b43_phy *phy = &dev->phy;
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int cnt = 0;
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int err;
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int err;
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/*FIXME: Don't tell ieee80211 about an A-PHY, because we currently don't support A-PHY. */
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/* XXX: This function will go away soon, when mac80211
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have_aphy = 0;
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* band stuff is rewritten. So this is just a hack.
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* For now we always claim GPHY mode, as there is no
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phy->possible_phymodes = 0;
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* support for NPHY and APHY in the device, yet.
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for (; 1; cnt++) {
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* This assumption is OK, as any B, N or A PHY will already
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if (have_aphy) {
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* have died a horrible sanity check death earlier. */
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B43_WARN_ON(cnt >= B43_MAX_PHYHWMODES);
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mode = &phy->hwmodes[cnt];
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mode->mode = MODE_IEEE80211A;
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mode->num_channels = b43_a_chantable_size;
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mode->channels = b43_a_chantable;
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mode->num_rates = b43_a_ratetable_size;
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mode->rates = b43_a_ratetable;
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err = ieee80211_register_hwmode(hw, mode);
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if (err)
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return err;
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phy->possible_phymodes |= B43_PHYMODE_A;
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have_aphy = 0;
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continue;
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}
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if (have_bphy) {
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B43_WARN_ON(cnt >= B43_MAX_PHYHWMODES);
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mode = &phy->hwmodes[cnt];
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mode->mode = MODE_IEEE80211B;
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mode->num_channels = b43_bg_chantable_size;
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mode->channels = b43_bg_chantable;
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mode->num_rates = b43_b_ratetable_size;
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mode->rates = b43_b_ratetable;
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err = ieee80211_register_hwmode(hw, mode);
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if (err)
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return err;
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phy->possible_phymodes |= B43_PHYMODE_B;
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have_bphy = 0;
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continue;
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}
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if (have_gphy) {
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B43_WARN_ON(cnt >= B43_MAX_PHYHWMODES);
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mode = &phy->hwmodes[cnt];
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mode = &phy->hwmodes[0];
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mode->mode = MODE_IEEE80211G;
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mode->mode = MODE_IEEE80211G;
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mode->num_channels = b43_bg_chantable_size;
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mode->num_channels = b43_2ghz_chantable_size;
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mode->channels = b43_bg_chantable;
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mode->channels = b43_2ghz_chantable;
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mode->num_rates = b43_g_ratetable_size;
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mode->num_rates = b43_g_ratetable_size;
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mode->rates = b43_g_ratetable;
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mode->rates = b43_g_ratetable;
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err = ieee80211_register_hwmode(hw, mode);
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err = ieee80211_register_hwmode(hw, mode);
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if (err)
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if (err)
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return err;
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return err;
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phy->possible_phymodes |= B43_PHYMODE_G;
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phy->possible_phymodes |= B43_PHYMODE_G;
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have_gphy = 0;
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continue;
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}
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break;
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}
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return 0;
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return 0;
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}
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}
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@ -3693,7 +3658,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
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struct ssb_bus *bus = dev->dev->bus;
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struct ssb_bus *bus = dev->dev->bus;
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struct pci_dev *pdev = bus->host_pci;
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struct pci_dev *pdev = bus->host_pci;
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int err;
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int err;
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int have_aphy = 0, have_bphy = 0, have_gphy = 0;
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bool have_2ghz_phy = 0, have_5ghz_phy = 0;
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u32 tmp;
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u32 tmp;
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/* Do NOT do any device initialization here.
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/* Do NOT do any device initialization here.
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@ -3713,17 +3678,12 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
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u32 tmshigh;
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u32 tmshigh;
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tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH);
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tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH);
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have_aphy = !!(tmshigh & B43_TMSHIGH_APHY);
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have_2ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY);
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have_gphy = !!(tmshigh & B43_TMSHIGH_GPHY);
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have_5ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_5GHZ_PHY);
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if (!have_aphy && !have_gphy)
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have_bphy = 1;
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} else if (dev->dev->id.revision == 4) {
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have_gphy = 1;
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have_aphy = 1;
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} else
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} else
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have_bphy = 1;
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B43_WARN_ON(1);
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dev->phy.gmode = (have_gphy || have_bphy);
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dev->phy.gmode = have_2ghz_phy;
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tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
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tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
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b43_wireless_core_reset(dev, tmp);
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b43_wireless_core_reset(dev, tmp);
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@ -3735,31 +3695,34 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
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(pdev->device != 0x4312 &&
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(pdev->device != 0x4312 &&
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pdev->device != 0x4319 && pdev->device != 0x4324)) {
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pdev->device != 0x4319 && pdev->device != 0x4324)) {
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/* No multiband support. */
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/* No multiband support. */
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have_aphy = 0;
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have_2ghz_phy = 0;
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have_bphy = 0;
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have_5ghz_phy = 0;
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have_gphy = 0;
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switch (dev->phy.type) {
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switch (dev->phy.type) {
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case B43_PHYTYPE_A:
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case B43_PHYTYPE_A:
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have_aphy = 1;
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have_5ghz_phy = 1;
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break;
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case B43_PHYTYPE_B:
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have_bphy = 1;
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break;
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break;
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case B43_PHYTYPE_G:
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case B43_PHYTYPE_G:
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have_gphy = 1;
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case B43_PHYTYPE_N:
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have_2ghz_phy = 1;
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break;
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break;
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default:
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default:
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B43_WARN_ON(1);
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B43_WARN_ON(1);
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}
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}
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}
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}
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dev->phy.gmode = (have_gphy || have_bphy);
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if (dev->phy.type == B43_PHYTYPE_A) {
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/* FIXME */
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b43err(wl, "IEEE 802.11a devices are unsupported\n");
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err = -EOPNOTSUPP;
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goto err_powerdown;
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}
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dev->phy.gmode = have_2ghz_phy;
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tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
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tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
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b43_wireless_core_reset(dev, tmp);
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b43_wireless_core_reset(dev, tmp);
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err = b43_validate_chipaccess(dev);
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err = b43_validate_chipaccess(dev);
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if (err)
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if (err)
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goto err_powerdown;
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goto err_powerdown;
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err = b43_setup_modes(dev, have_aphy, have_bphy, have_gphy);
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err = b43_setup_modes(dev, have_2ghz_phy, have_5ghz_phy);
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if (err)
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if (err)
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goto err_powerdown;
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goto err_powerdown;
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