mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 22:23:27 +00:00
106 lines
2.6 KiB
Diff
106 lines
2.6 KiB
Diff
From a7c3d46915bce6d84e61e684e76564b034bdc1a9 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,
|
|
};
|