1 From a7c3d46915bce6d84e61e684e76564b034bdc1a9 Mon Sep 17 00:00:00 2001
2 From: Jes Sorensen <Jes.Sorensen@redhat.com>
3 Date: Mon, 27 Jun 2016 17:08:30 -0400
4 Subject: [PATCH] rtl8xxxu: First stab at rtl8188e_power_on()
6 Code based on code from Andrea Merello.
8 Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
10 .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 82 ++++++++++++++++++++++
11 1 file changed, 82 insertions(+)
13 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
14 +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
15 @@ -92,8 +92,90 @@ static int rtl8188eu_load_firmware(struc
19 +static int rtl8188e_emu_to_active(struct rtl8xxxu_priv *priv)
26 + /* wait till 0x04[17] = 1 power ready*/
27 + for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
28 + val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
29 + if (val32 & BIT(17))
40 + /* reset baseband */
41 + val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
42 + val8 &= ~(SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN);
43 + rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
45 + /*0x24[23] = 2b'01 schmit trigger */
46 + val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL);
48 + rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32);
50 + /* 0x04[15] = 0 disable HWPDN (control by DRV)*/
51 + val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
52 + val16 &= ~APS_FSMCO_HW_POWERDOWN;
53 + rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
55 + /*0x04[12:11] = 2b'00 disable WL suspend*/
56 + val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
57 + val16 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
58 + rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
60 + /* set, then poll until 0 */
61 + val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
62 + val32 |= APS_FSMCO_MAC_ENABLE;
63 + rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
65 + for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
66 + val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
67 + if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
79 + /* LDO normal mode*/
80 + val8 = rtl8xxxu_read8(priv, REG_LPLDO_CTRL);
82 + rtl8xxxu_write8(priv, REG_LPLDO_CTRL, val8);
88 +static int rtl8188eu_power_on(struct rtl8xxxu_priv *priv)
92 + ret = rtl8188e_emu_to_active(priv);
100 struct rtl8xxxu_fileops rtl8188eu_fops = {
101 .parse_efuse = rtl8188eu_parse_efuse,
102 .load_firmware = rtl8188eu_load_firmware,
103 + .power_on = rtl8188eu_power_on,
104 .reset_8051 = rtl8xxxu_reset_8051,