diff options
author | Michael Buesch <mb@bu3sch.de> | 2008-08-30 02:09:08 +0200 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2008-09-05 16:17:42 -0400 |
commit | 99c4a780624da24d20309f2be5abe5ef8d20fcc0 (patch) | |
tree | d244a0701097d03794a226946d370ed31bcd7bf8 /drivers/net/wireless/b43/phy_a.c | |
parent | f59ac0481660e66cec67f1d6b024e78b9dc715fe (diff) | |
download | lwn-99c4a780624da24d20309f2be5abe5ef8d20fcc0.tar.gz lwn-99c4a780624da24d20309f2be5abe5ef8d20fcc0.zip |
b43: Move remaining code from phy.c to phy_a.c
This moves the remaining code from phy.c to phy_a.c
phy.c is removed.
No functional change. Just moving code and removing dead code.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_a.c')
-rw-r--r-- | drivers/net/wireless/b43/phy_a.c | 85 |
1 files changed, 84 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_a.c b/drivers/net/wireless/b43/phy_a.c index 4d7d59e30960..2ca8353aa9ad 100644 --- a/drivers/net/wireless/b43/phy_a.c +++ b/drivers/net/wireless/b43/phy_a.c @@ -58,6 +58,25 @@ static inline u16 freq_r3A_value(u16 frequency) return value; } +#if 0 +/* This function converts a TSSI value to dBm in Q5.2 */ +static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_a *aphy = phy->a; + s8 dbm = 0; + s32 tmp; + + tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi); + tmp += 0x80; + tmp = clamp_val(tmp, 0x00, 0xFF); + dbm = aphy->tssi2dbm[tmp]; + //TODO: There's a FIXME on the specs + + return dbm; +} +#endif + void b43_radio_set_tx_iq(struct b43_wldev *dev) { static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 }; @@ -326,9 +345,46 @@ void b43_phy_inita(struct b43_wldev *dev) } } +/* Initialise the TSSI->dBm lookup table */ +static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_a *aphy = phy->a; + s16 pab0, pab1, pab2; + + pab0 = (s16) (dev->dev->bus->sprom.pa1b0); + pab1 = (s16) (dev->dev->bus->sprom.pa1b1); + pab2 = (s16) (dev->dev->bus->sprom.pa1b2); + + if (pab0 != 0 && pab1 != 0 && pab2 != 0 && + pab0 != -1 && pab1 != -1 && pab2 != -1) { + /* The pabX values are set in SPROM. Use them. */ + if ((s8) dev->dev->bus->sprom.itssi_a != 0 && + (s8) dev->dev->bus->sprom.itssi_a != -1) + aphy->tgt_idle_tssi = + (s8) (dev->dev->bus->sprom.itssi_a); + else + aphy->tgt_idle_tssi = 62; + aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0, + pab1, pab2); + if (!aphy->tssi2dbm) + return -ENOMEM; + } else { + /* pabX values not set in SPROM, + * but APHY needs a generated table. */ + aphy->tssi2dbm = NULL; + b43err(dev->wl, "Could not generate tssi2dBm " + "table (wrong SPROM info)!\n"); + return -ENODEV; + } + + return 0; +} + static int b43_aphy_op_allocate(struct b43_wldev *dev) { struct b43_phy_a *aphy; + int err; aphy = kzalloc(sizeof(*aphy), GFP_KERNEL); if (!aphy) @@ -337,7 +393,17 @@ static int b43_aphy_op_allocate(struct b43_wldev *dev) //TODO init struct b43_phy_a + err = b43_aphy_init_tssi2dbm_table(dev); + if (err) + goto err_free_aphy; + return 0; + +err_free_aphy: + kfree(aphy); + dev->phy.a = NULL; + + return err; } static int b43_aphy_op_init(struct b43_wldev *dev) @@ -359,6 +425,7 @@ static void b43_aphy_op_exit(struct b43_wldev *dev) aphy->initialised = 0; } //TODO + kfree(aphy->tssi2dbm); kfree(aphy); dev->phy.a = NULL; } @@ -430,7 +497,23 @@ static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev) static void b43_aphy_op_software_rfkill(struct b43_wldev *dev, enum rfkill_state state) -{//TODO +{ + struct b43_phy *phy = &dev->phy; + + if (state == RFKILL_STATE_UNBLOCKED) { + if (phy->radio_on) + return; + b43_radio_write16(dev, 0x0004, 0x00C0); + b43_radio_write16(dev, 0x0005, 0x0008); + b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7); + b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7); + b43_radio_init2060(dev); + } else { + b43_radio_write16(dev, 0x0004, 0x00FF); + b43_radio_write16(dev, 0x0005, 0x00FB); + b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008); + b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008); + } } static int b43_aphy_op_switch_channel(struct b43_wldev *dev, |