From e63e436326919dcc36e2bb242bc570257de70521 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 30 Aug 2008 10:55:48 +0200 Subject: b43: Add LP-PHY template This adds template code for the LP-PHY. No actual functionality is implemented. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_lp.c | 142 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 drivers/net/wireless/b43/phy_lp.c (limited to 'drivers/net/wireless/b43/phy_lp.c') diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c new file mode 100644 index 0000000..be2a519 --- /dev/null +++ b/drivers/net/wireless/b43/phy_lp.c @@ -0,0 +1,142 @@ +/* + + Broadcom B43 wireless driver + IEEE 802.11g LP-PHY driver + + Copyright (c) 2008 Michael Buesch + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "b43.h" +#include "phy_lp.h" +#include "phy_common.h" + + +static int b43_lpphy_op_allocate(struct b43_wldev *dev) +{ + struct b43_phy_lp *lpphy; + + lpphy = kzalloc(sizeof(*lpphy), GFP_KERNEL); + if (!lpphy) + return -ENOMEM; + dev->phy.lp = lpphy; + + //TODO + + return 0; +} + +static int b43_lpphy_op_init(struct b43_wldev *dev) +{ + struct b43_phy_lp *lpphy = dev->phy.lp; + + //TODO + lpphy->initialised = 1; + + return 0; +} + +static void b43_lpphy_op_exit(struct b43_wldev *dev) +{ + struct b43_phy_lp *lpphy = dev->phy.lp; + + if (lpphy->initialised) { + //TODO + lpphy->initialised = 0; + } + + kfree(lpphy); + dev->phy.lp = NULL; +} + +static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) +{ + //TODO + return 0; +} + +static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) +{ + //TODO +} + +static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg) +{ + //TODO + return 0; +} + +static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) +{ + /* Register 1 is a 32-bit register. */ + B43_WARN_ON(reg == 1); + + //TODO +} + +static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev, + enum rfkill_state state) +{ + //TODO +} + +static int b43_lpphy_op_switch_channel(struct b43_wldev *dev, + unsigned int new_channel) +{ + //TODO + return 0; +} + +static unsigned int b43_lpphy_op_get_default_chan(struct b43_wldev *dev) +{ + return 1; /* Default to channel 1 */ +} + +static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) +{ + //TODO +} + +static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev) +{ + //TODO +} + +static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev, + bool ignore_tssi) +{ + //TODO + return B43_TXPWR_RES_DONE; +} + + +const struct b43_phy_operations b43_phyops_lp = { + .allocate = b43_lpphy_op_allocate, + .init = b43_lpphy_op_init, + .exit = b43_lpphy_op_exit, + .phy_read = b43_lpphy_op_read, + .phy_write = b43_lpphy_op_write, + .radio_read = b43_lpphy_op_radio_read, + .radio_write = b43_lpphy_op_radio_write, + .software_rfkill = b43_lpphy_op_software_rfkill, + .switch_channel = b43_lpphy_op_switch_channel, + .get_default_chan = b43_lpphy_op_get_default_chan, + .set_rx_antenna = b43_lpphy_op_set_rx_antenna, + .recalc_txpower = b43_lpphy_op_recalc_txpower, + .adjust_txpower = b43_lpphy_op_adjust_txpower, +}; -- cgit v1.1 From 0888707f1aade9325f121a21314d57400fb779aa Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 30 Aug 2008 11:49:45 +0200 Subject: b43: Add LP-PHY read/write phyops This adds read/write phyops for the LP-PHY and LP-PHY radios. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_lp.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'drivers/net/wireless/b43/phy_lp.c') diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index be2a519..e769ca0 100644 --- a/drivers/net/wireless/b43/phy_lp.c +++ b/drivers/net/wireless/b43/phy_lp.c @@ -66,19 +66,29 @@ static void b43_lpphy_op_exit(struct b43_wldev *dev) static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) { - //TODO - return 0; + b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); + return b43_read16(dev, B43_MMIO_PHY_DATA); } static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) { - //TODO + b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); + b43_write16(dev, B43_MMIO_PHY_DATA, value); } static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg) { - //TODO - return 0; + /* Register 1 is a 32-bit register. */ + B43_WARN_ON(reg == 1); + /* LP-PHY needs a special bit set for read access */ + if (dev->phy.rev < 2) { + if (reg != 0x4001) + reg |= 0x100; + } else + reg |= 0x200; + + b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); + return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); } static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) @@ -86,7 +96,8 @@ static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) /* Register 1 is a 32-bit register. */ B43_WARN_ON(reg == 1); - //TODO + b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); + b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); } static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev, -- cgit v1.1 From fb11137af83b7b66c7aab8dbc5f09d2c95684fed Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 2 Sep 2008 13:00:34 +0200 Subject: b43: Split PHY alloc and init This splits the PHY allocation from the PHY init. This is needed in order to properly support Analog handling. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_lp.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) (limited to 'drivers/net/wireless/b43/phy_lp.c') diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index e769ca0..41994f1 100644 --- a/drivers/net/wireless/b43/phy_lp.c +++ b/drivers/net/wireless/b43/phy_lp.c @@ -36,34 +36,34 @@ static int b43_lpphy_op_allocate(struct b43_wldev *dev) return -ENOMEM; dev->phy.lp = lpphy; - //TODO - return 0; } -static int b43_lpphy_op_init(struct b43_wldev *dev) +static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev) { - struct b43_phy_lp *lpphy = dev->phy.lp; + struct b43_phy *phy = &dev->phy; + struct b43_phy_lp *lpphy = phy->lp; - //TODO - lpphy->initialised = 1; + memset(lpphy, 0, sizeof(*lpphy)); - return 0; + //TODO } -static void b43_lpphy_op_exit(struct b43_wldev *dev) +static void b43_lpphy_op_free(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; - if (lpphy->initialised) { - //TODO - lpphy->initialised = 0; - } - kfree(lpphy); dev->phy.lp = NULL; } +static int b43_lpphy_op_init(struct b43_wldev *dev) +{ + //TODO + + return 0; +} + static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) { b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); @@ -138,8 +138,9 @@ static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev, const struct b43_phy_operations b43_phyops_lp = { .allocate = b43_lpphy_op_allocate, + .free = b43_lpphy_op_free, + .prepare_structs = b43_lpphy_op_prepare_structs, .init = b43_lpphy_op_init, - .exit = b43_lpphy_op_exit, .phy_read = b43_lpphy_op_read, .phy_write = b43_lpphy_op_write, .radio_read = b43_lpphy_op_radio_read, -- cgit v1.1 From cb24f57fe6f94a445fad8fab6ebdde7c51857895 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Wed, 3 Sep 2008 12:12:20 +0200 Subject: b43: Move Analog switching into phy code This moves the Analog switching code into the PHY files. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_lp.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/b43/phy_lp.c') diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index 41994f1..c5d9dc3 100644 --- a/drivers/net/wireless/b43/phy_lp.c +++ b/drivers/net/wireless/b43/phy_lp.c @@ -146,6 +146,7 @@ const struct b43_phy_operations b43_phyops_lp = { .radio_read = b43_lpphy_op_radio_read, .radio_write = b43_lpphy_op_radio_write, .software_rfkill = b43_lpphy_op_software_rfkill, + .switch_analog = b43_phyop_switch_analog_generic, .switch_channel = b43_lpphy_op_switch_channel, .get_default_chan = b43_lpphy_op_get_default_chan, .set_rx_antenna = b43_lpphy_op_set_rx_antenna, -- cgit v1.1