From: Larry Finger <Larry.Finger@lwfinger.net>
To: "Rafał Miłecki" <zajec5@gmail.com>
Cc: linux-wireless@vger.kernel.org,
"John W. Linville" <linville@tuxdriver.com>,
bcm43xx-dev@lists.berlios.de
Subject: Re: [PATCH 11/11] b43: N-PHY: switch to chanspec ops
Date: Tue, 09 Feb 2010 14:23:06 -0600 [thread overview]
Message-ID: <4B71C42A.3090707@lwfinger.net> (raw)
In-Reply-To: <1265745883-3392-12-git-send-email-zajec5@gmail.com>
On 02/09/2010 02:04 PM, Rafał Miłecki wrote:
> Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
> ---
> drivers/net/wireless/b43/phy_n.c | 87 +++++++++++++++++++++++++++-----------
> drivers/net/wireless/b43/phy_n.h | 1 +
> 2 files changed, 63 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
> index 19d4f11..49256bf 100644
> --- a/drivers/net/wireless/b43/phy_n.c
> +++ b/drivers/net/wireless/b43/phy_n.c
> @@ -72,6 +72,7 @@ static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
> u16 value, u8 core, bool off);
> static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
> u16 value, u8 core);
> +static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel);
>
> static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec)
> {
> @@ -172,31 +173,6 @@ static void b43_radio_2055_setup(struct b43_wldev *dev,
> udelay(300);
> }
>
> -/* Tune the hardware to a new channel. */
> -static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
> -{
> - const struct b43_nphy_channeltab_entry *tabent;
> -
> - tabent = b43_nphy_get_chantabent(dev, channel);
> - if (!tabent)
> - return -ESRCH;
> -
> - //FIXME enable/disable band select upper20 in RXCTL
> - if (0 /*FIXME 5Ghz*/)
> - b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x20);
> - else
> - b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x50);
> - b43_radio_2055_setup(dev, tabent);
> - if (0 /*FIXME 5Ghz*/)
> - b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
> - else
> - b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
> - b43_chantab_phy_upload(dev, tabent);
> - b43_nphy_tx_power_fix(dev);
> -
> - return 0;
> -}
> -
> static void b43_radio_init2055_pre(struct b43_wldev *dev)
> {
> b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
> @@ -3345,6 +3321,67 @@ static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
> b43_nphy_spur_workaround(dev);
> }
>
> +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
> +static int b43_nphy_set_chanspec(struct b43_wldev *dev,
> + struct b43_chanspec chanspec)
> +{
> + struct b43_phy_n *nphy = dev->phy.n;
> +
> + const struct b43_nphy_channeltab_entry *tabent;
> +
> + u8 tmp;
> + u8 channel = chanspec.channel;
> +
> + if (dev->phy.rev >= 3) {
> + /* TODO */
> + }
> +
> + nphy->radio_chanspec = chanspec;
> +
> + if (chanspec.b_width != nphy->b_widht)
> + ; /* TODO: BMAC BW Set (chanspec.b_width) */
> +
> + /* TODO: use defines */
> + if (chanspec.b_width == 3) {
> + if (chanspec.sideband == 2)
> + b43_phy_set(dev, B43_NPHY_RXCTL,
> + B43_NPHY_RXCTL_BSELU20);
> + else
> + b43_phy_mask(dev, B43_NPHY_RXCTL,
> + ~B43_NPHY_RXCTL_BSELU20);
> + }
> +
> + if (dev->phy.rev >= 3) {
> + tmp = (chanspec.b_freq == 1) ? 4 : 0;
> + b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
> + /* TODO: PHY Radio2056 Setup (chan_info_ptr[i]) */
> + /* TODO: N PHY Chanspec Setup (chan_info_ptr[i]) */
> + } else {
> + tabent = b43_nphy_get_chantabent(dev, channel);
> + if (!tabent)
> + return -ESRCH;
> +
> + tmp = (chanspec.b_freq == 1) ? 0x0020 : 0x0050;
> + b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
> + b43_radio_2055_setup(dev, tabent);
> + b43_nphy_chanspec_setup(dev, tabent, chanspec);
> + }
> +
> + return 0;
> +}
> +
> +/* Tune the hardware to a new channel */
> +static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
> +{
> + struct b43_phy_n *nphy = dev->phy.n;
> +
> + struct b43_chanspec chanspec;
> + chanspec = nphy->radio_chanspec;
> + chanspec.channel = channel;
> +
> + return b43_nphy_set_chanspec(dev, chanspec);
> +}
> +
> static int b43_nphy_op_allocate(struct b43_wldev *dev)
> {
> struct b43_phy_n *nphy;
> diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h
> index e7acae2..26d01fe 100644
> --- a/drivers/net/wireless/b43/phy_n.h
> +++ b/drivers/net/wireless/b43/phy_n.h
> @@ -984,6 +984,7 @@ struct b43_phy_n {
> u16 papd_epsilon_offset[2];
> s32 preamble_override;
> u32 bb_mult_save;
> + u8 b_widht;
Typo here?
> struct b43_chanspec radio_chanspec;
>
> bool gain_boost;
next prev parent reply other threads:[~2010-02-09 20:23 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-09 20:04 [PATCH 01/11] b43: N-PHY: add some registers and structs definitions Rafał Miłecki
2010-02-09 20:04 ` [PATCH 02/11] b43: N-PHY: initialize super switch Rafał Miłecki
2010-02-09 20:04 ` [PATCH 03/11] b43: N-PHY: turn radio on/off (rfkill) Rafał Miłecki
2010-02-09 20:04 ` [PATCH 04/11] b43: N-PHY: update writing channel-specific radio registers Rafał Miłecki
2010-02-09 20:04 ` [PATCH 05/11] b43: N-PHY: update post init of 2055 radio Rafał Miłecki
2010-02-09 20:04 ` [PATCH 06/11] b43: N-PHY: switch to chanspec struct Rafał Miłecki
2010-02-09 20:04 ` [PATCH 07/11] b43: N-PHY: adjust gain table Rafał Miłecki
2010-02-09 20:04 ` [PATCH 08/11] b43: implement writing to MMIO shared memory Rafał Miłecki
2010-02-09 22:59 ` Michael Buesch
2010-02-27 11:09 ` Rafał Miłecki
2010-02-27 14:50 ` Michael Buesch
2010-02-09 20:04 ` [PATCH 09/11] b43: N-PHY: isloate 2055 radio setup Rafał Miłecki
2010-02-09 23:01 ` Michael Buesch
2010-02-09 20:04 ` [PATCH 10/11] b43: N-PHY: implement chanspec setup Rafał Miłecki
2010-02-09 20:04 ` [PATCH 11/11] b43: N-PHY: switch to chanspec ops Rafał Miłecki
2010-02-09 20:23 ` Larry Finger [this message]
2010-02-09 23:02 ` [PATCH 01/11] b43: N-PHY: add some registers and structs definitions Michael Buesch
2010-02-15 19:30 ` John W. Linville
2010-02-19 16:12 ` Rafał Miłecki
2010-02-27 11:12 ` Rafał Miłecki
2010-02-27 14:51 ` Michael Buesch
2010-02-28 1:37 ` Rafał Miłecki
2010-02-28 11:46 ` Michael Buesch
2010-02-19 14:54 ` Johannes Berg
2010-02-19 15:49 ` Larry Finger
2010-02-19 16:23 ` Johannes Berg
2010-02-19 16:40 ` Larry Finger
2010-02-19 17:02 ` Johannes Berg
2010-02-19 17:06 ` Gábor Stefanik
2010-02-19 17:09 ` Johannes Berg
2010-02-19 18:21 ` Gábor Stefanik
2010-02-19 18:24 ` Johannes Berg
2010-02-19 18:33 ` Gábor Stefanik
2010-02-19 18:41 ` Johannes Berg
2010-02-19 18:10 ` Larry Finger
2010-02-19 18:19 ` Johannes Berg
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