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path: root/drivers/net/wireless/realtek/rtw89/ser.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/ser.c')
-rw-r--r--drivers/net/wireless/realtek/rtw89/ser.c43
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/ser.c b/drivers/net/wireless/realtek/rtw89/ser.c
index 9e9f6947e7f1..9ba99f3764e7 100644
--- a/drivers/net/wireless/realtek/rtw89/ser.c
+++ b/drivers/net/wireless/realtek/rtw89/ser.c
@@ -20,12 +20,14 @@ enum ser_evt {
SER_EV_NONE,
SER_EV_STATE_IN,
SER_EV_STATE_OUT,
+ SER_EV_L1_RESET_PREPARE, /* pre-M0 */
SER_EV_L1_RESET, /* M1 */
SER_EV_DO_RECOVERY, /* M3 */
SER_EV_MAC_RESET_DONE, /* M5 */
SER_EV_L2_RESET,
SER_EV_L2_RECFG_DONE,
SER_EV_L2_RECFG_TIMEOUT,
+ SER_EV_M1_TIMEOUT,
SER_EV_M3_TIMEOUT,
SER_EV_FW_M5_TIMEOUT,
SER_EV_L0_RESET,
@@ -34,6 +36,7 @@ enum ser_evt {
enum ser_state {
SER_IDLE_ST,
+ SER_L1_RESET_PRE_ST,
SER_RESET_TRX_ST,
SER_DO_HCI_ST,
SER_L2_RESET_ST,
@@ -374,6 +377,13 @@ static int hal_stop_dma(struct rtw89_ser *ser)
return ret;
}
+static void hal_send_post_m0_event(struct rtw89_ser *ser)
+{
+ struct rtw89_dev *rtwdev = container_of(ser, struct rtw89_dev, ser);
+
+ rtw89_mac_set_err_status(rtwdev, MAC_AX_ERR_L1_RESET_START_DMAC);
+}
+
static void hal_send_m2_event(struct rtw89_ser *ser)
{
struct rtw89_dev *rtwdev = container_of(ser, struct rtw89_dev, ser);
@@ -398,6 +408,9 @@ static void ser_idle_st_hdl(struct rtw89_ser *ser, u8 evt)
rtw89_hci_recovery_complete(rtwdev);
clear_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags);
break;
+ case SER_EV_L1_RESET_PREPARE:
+ ser_state_goto(ser, SER_L1_RESET_PRE_ST);
+ break;
case SER_EV_L1_RESET:
ser_state_goto(ser, SER_RESET_TRX_ST);
break;
@@ -412,6 +425,28 @@ static void ser_idle_st_hdl(struct rtw89_ser *ser, u8 evt)
}
}
+static void ser_l1_reset_pre_st_hdl(struct rtw89_ser *ser, u8 evt)
+{
+ switch (evt) {
+ case SER_EV_STATE_IN:
+ ser->prehandle_l1 = true;
+ hal_send_post_m0_event(ser);
+ ser_set_alarm(ser, 1000, SER_EV_M1_TIMEOUT);
+ break;
+ case SER_EV_L1_RESET:
+ ser_state_goto(ser, SER_RESET_TRX_ST);
+ break;
+ case SER_EV_M1_TIMEOUT:
+ ser_state_goto(ser, SER_L2_RESET_ST);
+ break;
+ case SER_EV_STATE_OUT:
+ ser_del_alarm(ser);
+ break;
+ default:
+ break;
+ }
+}
+
static void ser_reset_trx_st_hdl(struct rtw89_ser *ser, u8 evt)
{
struct rtw89_dev *rtwdev = container_of(ser, struct rtw89_dev, ser);
@@ -654,12 +689,14 @@ static const struct event_ent ser_ev_tbl[] = {
{SER_EV_NONE, "SER_EV_NONE"},
{SER_EV_STATE_IN, "SER_EV_STATE_IN"},
{SER_EV_STATE_OUT, "SER_EV_STATE_OUT"},
- {SER_EV_L1_RESET, "SER_EV_L1_RESET"},
+ {SER_EV_L1_RESET_PREPARE, "SER_EV_L1_RESET_PREPARE pre-m0"},
+ {SER_EV_L1_RESET, "SER_EV_L1_RESET m1"},
{SER_EV_DO_RECOVERY, "SER_EV_DO_RECOVERY m3"},
{SER_EV_MAC_RESET_DONE, "SER_EV_MAC_RESET_DONE m5"},
{SER_EV_L2_RESET, "SER_EV_L2_RESET"},
{SER_EV_L2_RECFG_DONE, "SER_EV_L2_RECFG_DONE"},
{SER_EV_L2_RECFG_TIMEOUT, "SER_EV_L2_RECFG_TIMEOUT"},
+ {SER_EV_M1_TIMEOUT, "SER_EV_M1_TIMEOUT"},
{SER_EV_M3_TIMEOUT, "SER_EV_M3_TIMEOUT"},
{SER_EV_FW_M5_TIMEOUT, "SER_EV_FW_M5_TIMEOUT"},
{SER_EV_L0_RESET, "SER_EV_L0_RESET"},
@@ -668,6 +705,7 @@ static const struct event_ent ser_ev_tbl[] = {
static const struct state_ent ser_st_tbl[] = {
{SER_IDLE_ST, "SER_IDLE_ST", ser_idle_st_hdl},
+ {SER_L1_RESET_PRE_ST, "SER_L1_RESET_PRE_ST", ser_l1_reset_pre_st_hdl},
{SER_RESET_TRX_ST, "SER_RESET_TRX_ST", ser_reset_trx_st_hdl},
{SER_DO_HCI_ST, "SER_DO_HCI_ST", ser_do_hci_st_hdl},
{SER_L2_RESET_ST, "SER_L2_RESET_ST", ser_l2_reset_st_hdl}
@@ -713,6 +751,9 @@ int rtw89_ser_notify(struct rtw89_dev *rtwdev, u32 err)
rtw89_info(rtwdev, "SER catches error: 0x%x\n", err);
switch (err) {
+ case MAC_AX_ERR_L1_PREERR_DMAC: /* pre-M0 */
+ event = SER_EV_L1_RESET_PREPARE;
+ break;
case MAC_AX_ERR_L1_ERR_DMAC:
case MAC_AX_ERR_L0_PROMOTE_TO_L1:
event = SER_EV_L1_RESET; /* M1 */