diff options
Diffstat (limited to 'package/kernel/mac80211/patches/657-0005-rtl8xxxu-First-stab-at-rtl8188e_power_on.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/657-0005-rtl8xxxu-First-stab-at-rtl8188e_power_on.patch | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/657-0005-rtl8xxxu-First-stab-at-rtl8188e_power_on.patch b/package/kernel/mac80211/patches/657-0005-rtl8xxxu-First-stab-at-rtl8188e_power_on.patch new file mode 100644 index 0000000000..9a02e68b25 --- /dev/null +++ b/package/kernel/mac80211/patches/657-0005-rtl8xxxu-First-stab-at-rtl8188e_power_on.patch @@ -0,0 +1,105 @@ +From 777c1b30f8251d7c2c088a0cf600f0df513c4a0c Mon Sep 17 00:00:00 2001 +From: Jes Sorensen <Jes.Sorensen@redhat.com> +Date: Mon, 27 Jun 2016 17:08:30 -0400 +Subject: [PATCH] rtl8xxxu: First stab at rtl8188e_power_on() + +Code based on code from Andrea Merello. + +Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> +--- + .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 82 ++++++++++++++++++++++ + 1 file changed, 82 insertions(+) + +--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c ++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c +@@ -92,8 +92,90 @@ static int rtl8188eu_load_firmware(struc + return ret; + } + ++static int rtl8188e_emu_to_active(struct rtl8xxxu_priv *priv) ++{ ++ u8 val8; ++ u32 val32; ++ u16 val16; ++ int count, ret = 0; ++ ++ /* wait till 0x04[17] = 1 power ready*/ ++ for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { ++ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); ++ if (val32 & BIT(17)) ++ break; ++ ++ udelay(10); ++ } ++ ++ if (!count) { ++ ret = -EBUSY; ++ goto exit; ++ } ++ ++ /* reset baseband */ ++ val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); ++ val8 &= ~(SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN); ++ rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); ++ ++ /*0x24[23] = 2b'01 schmit trigger */ ++ val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL); ++ val32 |= BIT(23); ++ rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32); ++ ++ /* 0x04[15] = 0 disable HWPDN (control by DRV)*/ ++ val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO); ++ val16 &= ~APS_FSMCO_HW_POWERDOWN; ++ rtl8xxxu_write16(priv, REG_APS_FSMCO, val16); ++ ++ /*0x04[12:11] = 2b'00 disable WL suspend*/ ++ val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO); ++ val16 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE); ++ rtl8xxxu_write16(priv, REG_APS_FSMCO, val16); ++ ++ /* set, then poll until 0 */ ++ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); ++ val32 |= APS_FSMCO_MAC_ENABLE; ++ rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); ++ ++ for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { ++ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); ++ if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) { ++ ret = 0; ++ break; ++ } ++ udelay(10); ++ } ++ ++ if (!count) { ++ ret = -EBUSY; ++ goto exit; ++ } ++ ++ /* LDO normal mode*/ ++ val8 = rtl8xxxu_read8(priv, REG_LPLDO_CTRL); ++ val8 &= ~BIT(4); ++ rtl8xxxu_write8(priv, REG_LPLDO_CTRL, val8); ++ ++exit: ++ return ret; ++} ++ ++static int rtl8188eu_power_on(struct rtl8xxxu_priv *priv) ++{ ++ int ret; ++ ++ ret = rtl8188e_emu_to_active(priv); ++ if (ret) ++ goto exit; ++ ++exit: ++ return ret; ++} ++ + struct rtl8xxxu_fileops rtl8188eu_fops = { + .parse_efuse = rtl8188eu_parse_efuse, + .load_firmware = rtl8188eu_load_firmware, ++ .power_on = rtl8188eu_power_on, + .reset_8051 = rtl8xxxu_reset_8051, + }; |