From: Jes Sorensen
This implements the 8723bu specific power on sequence as it is
different from that of the 8723au chips.
Signed-off-by: Jes Sorensen
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 183 -
.../net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 11 ++
2 files changed, 189 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 7f17e69..a8b7b75 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -2933,10 +2933,6 @@ static void rtl8723bu_phy_init_antenna_selection(struct
rtl8xxxu_priv *priv)
val32 &= 0xff00;
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
@@ -5359,6 +5355,127 @@ exit:
return ret;
}
+static int rtl8723b_emu_to_active(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+ u32 val32;
+ int count, ret = 0;
+
+ /* 0x20[0] = 1 enable LDOA12 MACRO block for all interface */
+ val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
+ val8 |= LDOA15_ENABLE;
+ rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
+
+ /* 0x67[0] = 0 to disable BT_GPS_SEL pins*/
+ val8 = rtl8xxxu_read8(priv, 0x0067);
+ val8 &= ~BIT(4);
+ rtl8xxxu_write8(priv, 0x0067, val8);
+
+ mdelay(1);
+
+ /* 0x00[5] = 0 release analog Ips to digital, 1:isolation */
+ val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
+ val8 &= ~SYS_ISO_ANALOG_IPS;
+ rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
+
+ /* Disable SW LPS 0x04[10]= 0 */
+ val32 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
+ val32 &= ~APS_FSMCO_SW_LPS;
+ rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
+
+ /* Wait until 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;
+ }
+
+ /* We should be able to optimize the following three entries into one */
+
+ /* Release WLON reset 0x04[16]= 1*/
+ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
+ val32 |= APS_FSMCO_WLON_RESET;
+ rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
+
+ /* Disable HWPDN 0x04[15]= 0*/
+ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
+ val32 &= ~APS_FSMCO_HW_POWERDOWN;
+ rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
+
+ /* Disable WL suspend*/
+ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
+ val32 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
+ rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
+
+ /* 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;
+ }
+
+ /* Enable WL control XTAL setting */
+ val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
+ val8 |= AFE_MISC_WL_XTAL_CTRL;
+ rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
+
+ /* Enable falling edge triggering interrupt */
+ val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 1);
+ val8 |= BIT(1);
+ rtl8xxxu_write8(priv, REG_GPIO_INTM + 1, val8);
+
+ /* Enable GPIO9 interrupt mode */
+ val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2 + 1);
+ val8 |= BIT(1);
+ rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2 + 1, val8);
+
+ /* Enable GPIO9 input mode */
+ val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2);
+ val8 &= ~BIT(1);
+ rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2, val8);
+
+ /* Enable HSISR GPIO[C:0] interrupt */
+ val8 = rtl8xxxu_read8(priv, REG_HSIMR);
+ val8 |= BIT(0);
+ rtl8xxxu_write8(priv, REG_HSIMR, val8);
+
+ /* Enable HSISR GPIO9 interrupt */
+ val8 = rtl8xxxu_read8(priv, REG_HSIMR + 2);
+ val8 |= BIT(1);
+ rtl8xxxu_write8(priv, REG_HSIMR + 2, val8);
+
+ val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL);
+ val8 |= MULTI_WIFI_HW_ROF_EN;
+ rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL, val8);
+
+ /* For GPIO9 internal pull high setting BIT(14) */
+ val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL + 1);
+ val8 |= BIT(6);
+ rtl8xxxu_write8(priv, REG_M
