From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
8723b needs more action, so implement support for device specific
reset functions.
Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 40 ++++++++++++++++++++++--
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 1 +
2 files changed, 39 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 11a970c..1c5a6ef 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -2720,12 +2720,44 @@ static void rtl8xxxu_reset_8051(struct rtl8xxxu_priv *priv)
val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
val8 &= ~BIT(0);
rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
+
sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
sys_func &= ~SYS_FUNC_CPU_ENABLE;
rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
+
val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
val8 |= BIT(0);
rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
+
+ sys_func |= SYS_FUNC_CPU_ENABLE;
+ rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
+}
+
+static void rtl8723bu_reset_8051(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+ u16 sys_func;
+
+ val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
+ val8 &= ~BIT(1);
+ rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
+
+ val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
+ val8 &= ~BIT(0);
+ rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
+
+ sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
+ sys_func &= ~SYS_FUNC_CPU_ENABLE;
+ rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
+
+ val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
+ val8 &= ~BIT(1);
+ rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
+
+ val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
+ val8 |= BIT(0);
+ rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
+
sys_func |= SYS_FUNC_CPU_ENABLE;
rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
}
@@ -2758,7 +2790,7 @@ static int rtl8xxxu_start_firmware(struct rtl8xxxu_priv *priv)
* Reset the 8051 in order for the firmware to start running,
* otherwise it won't come up on the 8192eu
*/
- rtl8xxxu_reset_8051(priv);
+ priv->fops->reset_8051(priv);
/* Wait for firmware to become ready */
for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) {
@@ -2805,7 +2837,7 @@ static int rtl8xxxu_download_firmware(struct rtl8xxxu_priv *priv)
if (val8 & MCU_FW_RAM_SEL) {
pr_info("do the RAM reset\n");
rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
- rtl8xxxu_reset_8051(priv);
+ priv->fops->reset_8051(priv);
}
/* MCU firmware download enable */
@@ -8405,6 +8437,7 @@ static struct rtl8xxxu_fileops rtl8723au_fops = {
.load_firmware = rtl8723au_load_firmware,
.power_on = rtl8723au_power_on,
.power_off = rtl8xxxu_power_off,
+ .reset_8051 = rtl8xxxu_reset_8051,
.llt_init = rtl8xxxu_init_llt_table,
.phy_iq_calibrate = rtl8723au_phy_iq_calibrate,
.config_channel = rtl8723au_config_channel,
@@ -8429,6 +8462,7 @@ static struct rtl8xxxu_fileops rtl8723bu_fops = {
.load_firmware = rtl8723bu_load_firmware,
.power_on = rtl8723bu_power_on,
.power_off = rtl8723bu_power_off,
+ .reset_8051 = rtl8723bu_reset_8051,
.llt_init = rtl8xxxu_auto_llt_table,
.phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,
.phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
@@ -8459,6 +8493,7 @@ static struct rtl8xxxu_fileops rtl8192cu_fops = {
.load_firmware = rtl8192cu_load_firmware,
.power_on = rtl8192cu_power_on,
.power_off = rtl8xxxu_power_off,
+ .reset_8051 = rtl8xxxu_reset_8051,
.llt_init = rtl8xxxu_init_llt_table,
.phy_iq_calibrate = rtl8723au_phy_iq_calibrate,
.config_channel = rtl8723au_config_channel,
@@ -8485,6 +8520,7 @@ static struct rtl8xxxu_fileops rtl8192eu_fops = {
.load_firmware = rtl8192eu_load_firmware,
.power_on = rtl8192eu_power_on,
.power_off = rtl8xxxu_power_off,
+ .reset_8051 = rtl8xxxu_reset_8051,
.llt_init = rtl8xxxu_auto_llt_table,
.phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
.config_channel = rtl8723bu_config_channel,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index bfa9d6c..7b73654 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -1258,6 +1258,7 @@ struct rtl8xxxu_fileops {
int (*load_firmware) (struct rtl8xxxu_priv *priv);
int (*power_on) (struct rtl8xxxu_priv *priv);
void (*power_off) (struct rtl8xxxu_priv *priv);
+ void (*reset_8051) (struct rtl8xxxu_priv *priv);
int (*llt_init) (struct rtl8xxxu_priv *priv, u8 last_tx_page);
void (*phy_init_antenna_selection) (struct rtl8xxxu_priv *priv);
void (*phy_iq_calibrate) (struct rtl8xxxu_priv *priv);
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
