From ea7ee14b8a6371f006d73333ef2b7fe929b6dab0 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Tue, 21 Dec 2010 17:13:44 +0100 Subject: [PATCH] b43: N-PHY: implement radio 2056 init steps MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 33 +++++++++++- drivers/net/wireless/b43/radio_2056.c | 77 +++++++++++++++++++++++++++ drivers/net/wireless/b43/radio_2056.h | 3 ++ 3 files changed, 111 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index a1aa5700b631..6b91cb353f23 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -401,16 +401,45 @@ static void b43_radio_init2055(struct b43_wldev *dev) b43_radio_init2055_post(dev); } +static void b43_radio_init2056_pre(struct b43_wldev *dev) +{ + b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, + ~B43_NPHY_RFCTL_CMD_CHIP0PU); + /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */ + b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, + B43_NPHY_RFCTL_CMD_OEPORFORCE); + b43_phy_set(dev, B43_NPHY_RFCTL_CMD, + ~B43_NPHY_RFCTL_CMD_OEPORFORCE); + b43_phy_set(dev, B43_NPHY_RFCTL_CMD, + B43_NPHY_RFCTL_CMD_CHIP0PU); +} + +static void b43_radio_init2056_post(struct b43_wldev *dev) +{ + b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB); + b43_radio_set(dev, B2056_SYN_COM_PU, 0x2); + b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2); + msleep(1); + b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2); + b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC); + b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1); + /* + if (nphy->init_por) + Call Radio 2056 Recalibrate + */ +} + /* * Initialize a Broadcom 2056 N-radio * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init */ static void b43_radio_init2056(struct b43_wldev *dev) { - /* TODO */ + b43_radio_init2056_pre(dev); + b2056_upload_inittabs(dev, 0, 0); + b43_radio_init2056_post(dev); } - /* * Upload the N-PHY tables. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables diff --git a/drivers/net/wireless/b43/radio_2056.c b/drivers/net/wireless/b43/radio_2056.c index 0cdf6a46ba4b..1752d52ab40e 100644 --- a/drivers/net/wireless/b43/radio_2056.c +++ b/drivers/net/wireless/b43/radio_2056.c @@ -24,6 +24,39 @@ #include "radio_2056.h" #include "phy_common.h" +struct b2056_inittab_entry { + /* Value to write if we use the 5GHz band. */ + u16 ghz5; + /* Value to write if we use the 2.4GHz band. */ + u16 ghz2; + /* Flags */ + u8 flags; +}; +#define B2056_INITTAB_ENTRY_OK 0x01 +#define B2056_INITTAB_UPLOAD 0x02 +#define UPLOAD .flags = B2056_INITTAB_ENTRY_OK | B2056_INITTAB_UPLOAD +#define NOUPLOAD .flags = B2056_INITTAB_ENTRY_OK + +struct b2056_inittabs_pts { + const struct b2056_inittab_entry *syn; + unsigned int syn_length; + const struct b2056_inittab_entry *tx; + unsigned int tx_length; + const struct b2056_inittab_entry *rx; + unsigned int rx_length; +}; + +#define INITTABSPTS(prefix) \ + .syn = prefix##_syn, \ + .syn_length = ARRAY_SIZE(prefix##_syn), \ + .tx = prefix##_tx, \ + .tx_length = ARRAY_SIZE(prefix##_tx), \ + .rx = prefix##_rx, \ + .rx_length = ARRAY_SIZE(prefix##_rx) + +struct b2056_inittabs_pts b2056_inittabs[] = { +}; + #define RADIOREGS3(r00, r01, r02, r03, r04, r05, r06, r07, r08, r09, \ r10, r11, r12, r13, r14, r15, r16, r17, r18, r19, \ r20, r21, r22, r23, r24, r25, r26, r27, r28, r29, \ @@ -6045,6 +6078,50 @@ static const struct b43_nphy_channeltab_entry_rev3 b43_nphy_channeltab_rev8[] = }, }; +static void b2056_upload_inittab(struct b43_wldev *dev, bool ghz5, + bool ignore_uploadflag, u16 routing, + const struct b2056_inittab_entry *e, + unsigned int length) +{ + unsigned int i; + u16 value; + + for (i = 0; i < length; i++, e++) { + if (!(e->flags & B2056_INITTAB_ENTRY_OK)) + continue; + if ((e->flags & B2056_INITTAB_UPLOAD) || ignore_uploadflag) { + if (ghz5) + value = e->ghz5; + else + value = e->ghz2; + b43_radio_write(dev, routing | i, value); + } + } +} + +void b2056_upload_inittabs(struct b43_wldev *dev, + bool ghz5, bool ignore_uploadflag) +{ + struct b2056_inittabs_pts *pts; + + if (dev->phy.rev >= ARRAY_SIZE(b2056_inittabs)) { + B43_WARN_ON(1); + return; + } + pts = &b2056_inittabs[dev->phy.rev]; + + b2056_upload_inittab(dev, ghz5, ignore_uploadflag, + B2056_SYN, pts->syn, pts->syn_length); + b2056_upload_inittab(dev, ghz5, ignore_uploadflag, + B2056_TX0, pts->tx, pts->tx_length); + b2056_upload_inittab(dev, ghz5, ignore_uploadflag, + B2056_TX1, pts->tx, pts->tx_length); + b2056_upload_inittab(dev, ghz5, ignore_uploadflag, + B2056_RX0, pts->rx, pts->rx_length); + b2056_upload_inittab(dev, ghz5, ignore_uploadflag, + B2056_RX1, pts->rx, pts->rx_length); +} + /* TODO: add support for rev4+ devices by searching in rev4+ tables */ const struct b43_nphy_channeltab_entry_rev3 * b43_nphy_get_chantabent_rev3(struct b43_wldev *dev, u16 freq) diff --git a/drivers/net/wireless/b43/radio_2056.h b/drivers/net/wireless/b43/radio_2056.h index 302600c0afa4..d601f6e7e313 100644 --- a/drivers/net/wireless/b43/radio_2056.h +++ b/drivers/net/wireless/b43/radio_2056.h @@ -1114,4 +1114,7 @@ struct b43_nphy_channeltab_entry_rev3 { struct b43_phy_n_sfo_cfg phy_regs; }; +void b2056_upload_inittabs(struct b43_wldev *dev, + bool ghz5, bool ignore_uploadflag); + #endif /* B43_RADIO_2056_H_ */ -- 2.39.5