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Commit f0d9f5e9 authored by Jes Sorensen's avatar Jes Sorensen Committed by Kalle Valo
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rtl8xxxu: Add rtl8723bu_phy_init_antenna_selection() 



So far this is just for 8723BU. It includes writing to a number of
registers I have seen no description for so far.

0x0064
0x0930
0x0944

Signed-off-by: default avatarJes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 22a31d45

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c

+36 −0
Original line number Diff line number Diff line
@@ -2670,6 +2670,38 @@ static void rtl8xxxu_firmware_self_reset(struct rtl8xxxu_priv *priv) 
	}

}



static void rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv *priv)

{

	u32 val32;



	val32 = rtl8xxxu_read32(priv, 0x64);

	val32 &= ~(BIT(20) | BIT(24));

	rtl8xxxu_write32(priv, 0x64, val32);



	val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);

	val32 &= ~BIT(4);

	val32 |= BIT(3);

	rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);



	val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);

	val32 &= ~BIT(23);

	val32 |= BIT(24);

	rtl8xxxu_write32(priv, REG_LEDCFG0, val32);



	val32 = rtl8xxxu_read32(priv, 0x0944);

	val32 |= (BIT(0) | BIT(1));

	rtl8xxxu_write32(priv, 0x0944, val32);



	val32 = rtl8xxxu_read32(priv, 0x0930);

	val32 &= 0xffffff00;

	val32 |= 0x77;

	rtl8xxxu_write32(priv, 0x0930, val32);



	val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);

	val32 |= BIT(11);

	rtl8xxxu_write32(priv, REG_PWR_DATA, val32);

}



static int

rtl8xxxu_init_mac(struct rtl8xxxu_priv *priv, struct rtl8xxxu_reg8val *array)

{
@@ -4621,6 +4653,9 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw) 
		rtl8xxxu_write32(priv, REG_HIMR1, 0x00);

	}



	if (priv->fops->phy_init_antenna_selection)

		priv->fops->phy_init_antenna_selection(priv);



	ret = rtl8xxxu_init_mac(priv, rtl8723a_mac_init_table);

	dev_dbg(dev, "%s: init_mac %i\n", __func__, ret);

	if (ret)
@@ -6380,6 +6415,7 @@ static struct rtl8xxxu_fileops rtl8723bu_fops = { 
	.load_firmware = rtl8723bu_load_firmware,

	.power_on = rtl8723au_power_on,

	.llt_init = rtl8xxxu_auto_llt_table,

	.phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,

	.writeN_block_size = 1024,

};

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h

+1 −0
Original line number Diff line number Diff line
@@ -764,5 +764,6 @@ struct rtl8xxxu_fileops { 
	int (*load_firmware) (struct rtl8xxxu_priv *priv);

	int (*power_on) (struct rtl8xxxu_priv *priv);

	int (*llt_init) (struct rtl8xxxu_priv *priv, u8 last_tx_page);

	void (*phy_init_antenna_selection) (struct rtl8xxxu_priv *priv);

	int writeN_block_size;

};