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b43: N-PHY: implement radio 2056 init steps 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2010-12-21 17:13:44 +01:00 committed by John W. Linville
parent e41596a118
commit ea7ee14b8a
3 changed files with 111 additions and 2 deletions
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33
drivers/net/wireless/b43/phy_n.c
View File

@ -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

77
drivers/net/wireless/b43/radio_2056.c
View File

@ -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)

3
drivers/net/wireless/b43/radio_2056.h
View File

@ -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_ */