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rtl8xxxu: Do BT_WLAN_CALIBRATION before doing IQK calibration

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Newer generation chips require the firmware be notified before we
start the IQK calibration.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Jes Sorensen 2016-02-29 17:04:30 -05:00 committed by Kalle Valo
parent 8da91571bb
commit c7a5a190df
2 changed files with 23 additions and 1 deletions
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20
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
View File

@ -1497,7 +1497,7 @@ static int rtl8723a_h2c_cmd(struct rtl8xxxu_priv *priv,
} while (retry--);
if (!retry) {
dev_dbg(dev, "%s: Mailbox busy\n", __func__);
dev_info(dev, "%s: Mailbox busy\n", __func__);
retval = -EBUSY;
goto error;
}
@ -3877,6 +3877,20 @@ static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
}
}
static void rtl8xxxu_prepare_calibrate(struct rtl8xxxu_priv *priv, u8 start)
{
struct h2c_cmd h2c;
if (priv->fops->mbox_ext_width < 4)
return;
memset(&h2c, 0, sizeof(struct h2c_cmd));
h2c.bt_wlan_calibration.cmd = H2C_8723B_BT_WLAN_CALIBRATION;
h2c.bt_wlan_calibration.data = start;
rtl8723a_h2c_cmd(priv, &h2c, sizeof(h2c.bt_wlan_calibration));
}
static void rtl8723a_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
{
struct device *dev = &priv->udev->dev;
@ -3888,6 +3902,8 @@ static void rtl8723a_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
s32 reg_tmp = 0;
bool simu;
rtl8xxxu_prepare_calibrate(priv, 1);
memset(result, 0, sizeof(result));
candidate = -1;
@ -3975,6 +3991,8 @@ static void rtl8723a_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
rtl8xxxu_save_regs(priv, rtl8723au_iqk_phy_iq_bb_reg,
priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
rtl8xxxu_prepare_calibrate(priv, 0);
}
static void rtl8723a_phy_lc_calibrate(struct rtl8xxxu_priv *priv)

4
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
View File

@ -727,6 +727,10 @@ struct h2c_cmd {
u8 arg;
__le16 mask_lo;
} __packed ramask;
struct {
u8 cmd;
u8 data;
} __packed bt_wlan_calibration;
};
};