@@ -50,3 +50,35 @@ void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb)
wake_up(&dev->mcu.wait);
}
EXPORT_SYMBOL_GPL(mt76_mcu_rx_event);
+
+int mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb,
+ int cmd, bool wait_resp)
+{
+ unsigned long expires;
+ int ret, seq;
+
+ mutex_lock(&dev->mcu.mutex);
+
+ ret = dev->mcu_ops->mcu_skb_send_msg(dev, skb, cmd, &seq);
+ if (ret < 0)
+ goto out;
+
+ if (!wait_resp) {
+ ret = 0;
+ goto out;
+ }
+
+ expires = jiffies + dev->mcu.timeout;
+
+ do {
+ skb = mt76_mcu_get_response(dev, expires);
+ ret = dev->mcu_ops->mcu_parse_response(dev, cmd, skb, seq);
+ dev_kfree_skb(skb);
+ } while (ret == -EAGAIN);
+
+out:
+ mutex_unlock(&dev->mcu.mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_skb_send_msg);
@@ -147,7 +147,7 @@ struct mt76_mcu_ops {
int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
int len, bool wait_resp);
int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
- int cmd, bool wait_resp);
+ int cmd, int *seq);
int (*mcu_parse_response)(struct mt76_dev *dev, int cmd,
struct sk_buff *skb, int seq);
u32 (*mcu_rr)(struct mt76_dev *dev, u32 offset);
@@ -414,6 +414,7 @@ enum mt76u_out_ep {
struct mt76_mcu {
struct mutex mutex;
u32 msg_seq;
+ int timeout;
struct sk_buff_head res_q;
wait_queue_head_t wait;
@@ -689,7 +690,6 @@ enum mt76_phy_type {
#define mt76_mcu_send_msg(dev, ...) (dev)->mcu_ops->mcu_send_msg((dev), __VA_ARGS__)
-#define mt76_mcu_skb_send_msg(dev, ...) (dev)->mcu_ops->mcu_skb_send_msg((dev), __VA_ARGS__)
#define mt76_mcu_restart(dev, ...) (dev)->mt76.mcu_ops->mcu_restart(&((dev)->mt76))
#define __mt76_mcu_restart(dev, ...) (dev)->mcu_ops->mcu_restart((dev))
@@ -1068,6 +1068,8 @@ mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb);
struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
unsigned long expires);
+int mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb,
+ int cmd, bool wait_resp);
void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, u32 clear, u32 set);
@@ -94,6 +94,9 @@ void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
__le32 *txd;
u32 val;
+ /* TODO: make dynamic based on msg type */
+ dev->mt76.mcu.timeout = 20 * HZ;
+
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mt76.mcu.msg_seq & 0xf;
@@ -165,20 +168,6 @@ void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
}
EXPORT_SYMBOL_GPL(mt7615_mcu_fill_msg);
-static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
- int cmd, int *wait_seq)
-{
- enum mt76_txq_id qid;
-
- mt7615_mcu_fill_msg(dev, skb, cmd, wait_seq);
- if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
- qid = MT_TXQ_MCU;
- else
- qid = MT_TXQ_FWDL;
-
- return mt76_tx_queue_skb_raw(dev, qid, skb, 0);
-}
-
int mt7615_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
@@ -237,44 +226,20 @@ int mt7615_mcu_parse_response(struct mt76_dev *mdev, int cmd,
}
EXPORT_SYMBOL_GPL(mt7615_mcu_parse_response);
-int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq)
-{
- unsigned long expires = jiffies + 20 * HZ;
- struct sk_buff *skb;
- int ret = 0;
-
- while (true) {
- skb = mt76_mcu_get_response(&dev->mt76, expires);
- ret = mt7615_mcu_parse_response(&dev->mt76, cmd, skb, seq);
- dev_kfree_skb(skb);
- if (ret != -EAGAIN)
- break;
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(mt7615_mcu_wait_response);
-
static int
mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
- int cmd, bool wait_resp)
+ int cmd, int *seq)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
- int ret, seq;
-
- mutex_lock(&mdev->mcu.mutex);
-
- ret = __mt7615_mcu_msg_send(dev, skb, cmd, &seq);
- if (ret)
- goto out;
-
- if (wait_resp)
- ret = mt7615_mcu_wait_response(dev, cmd, seq);
+ enum mt76_txq_id qid;
-out:
- mutex_unlock(&mdev->mcu.mutex);
+ mt7615_mcu_fill_msg(dev, skb, cmd, seq);
+ if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
+ qid = MT_TXQ_MCU;
+ else
+ qid = MT_TXQ_FWDL;
- return ret;
+ return mt76_tx_queue_skb_raw(dev, qid, skb, 0);
}
int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
@@ -589,7 +589,6 @@ int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev,
void mt7615_mac_reset_work(struct work_struct *work);
u32 mt7615_mac_get_sta_tid_sn(struct mt7615_dev *dev, int wcid, u8 tid);
-int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq);
int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
int len, bool wait_resp);
int mt7615_mcu_parse_response(struct mt76_dev *mdev, int cmd,
@@ -41,24 +41,17 @@ static int mt7663s_mcu_init_sched(struct mt7615_dev *dev)
static int
mt7663s_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
- int cmd, bool wait_resp)
+ int cmd, int *seq)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
- int ret, seq;
-
- mutex_lock(&mdev->mcu.mutex);
+ int ret;
- mt7615_mcu_fill_msg(dev, skb, cmd, &seq);
+ mt7615_mcu_fill_msg(dev, skb, cmd, seq);
ret = mt76_tx_queue_skb_raw(dev, MT_TXQ_MCU, skb, 0);
if (ret)
- goto out;
+ return ret;
mt76_queue_kick(dev, mdev->q_tx[MT_TXQ_MCU]);
- if (wait_resp)
- ret = mt7615_mcu_wait_response(dev, cmd, seq);
-
-out:
- mutex_unlock(&mdev->mcu.mutex);
return ret;
}
@@ -15,14 +15,12 @@
static int
mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
- int cmd, bool wait_resp)
+ int cmd, int *seq)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
- int ret, seq, ep, len, pad;
+ int ret, ep, len, pad;
- mutex_lock(&mdev->mcu.mutex);
-
- mt7615_mcu_fill_msg(dev, skb, cmd, &seq);
+ mt7615_mcu_fill_msg(dev, skb, cmd, seq);
if (cmd != MCU_CMD_FW_SCATTER)
ep = MT_EP_OUT_INBAND_CMD;
else
@@ -37,14 +35,8 @@ mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL,
1000, ep);
- if (ret < 0)
- goto out;
-
- if (wait_resp)
- ret = mt7615_mcu_wait_response(dev, cmd, seq);
out:
- mutex_unlock(&mdev->mcu.mutex);
dev_kfree_skb(skb);
return ret;
@@ -215,15 +215,75 @@ mt7915_mcu_get_sta_nss(u16 mcs_map)
return nss - 1;
}
-static int __mt7915_mcu_msg_send(struct mt7915_dev *dev, struct sk_buff *skb,
- int cmd, int *wait_seq)
+static int
+mt7915_mcu_parse_eeprom(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_eeprom_info *res;
+ u8 *buf;
+
+ if (!skb)
+ return -EINVAL;
+
+ skb_pull(skb, sizeof(struct mt7915_mcu_rxd));
+
+ res = (struct mt7915_mcu_eeprom_info *)skb->data;
+ buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
+ memcpy(buf, res->data, 16);
+
+ return 0;
+}
+
+static int
+mt7915_mcu_parse_response(struct mt76_dev *mdev, int cmd,
+ struct sk_buff *skb, int seq)
{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ struct mt7915_mcu_rxd *rxd;
+ int ret = 0;
+
+ if (!skb) {
+ dev_err(mdev->dev, "Message %d (seq %d) timeout\n",
+ cmd, seq);
+ return -ETIMEDOUT;
+ }
+
+ rxd = (struct mt7915_mcu_rxd *)skb->data;
+ if (seq != rxd->seq)
+ return -EAGAIN;
+
+ switch (cmd) {
+ case -MCU_CMD_PATCH_SEM_CONTROL:
+ skb_pull(skb, sizeof(*rxd) - 4);
+ ret = *skb->data;
+ break;
+ case MCU_EXT_CMD_THERMAL_CTRL:
+ skb_pull(skb, sizeof(*rxd) + 4);
+ ret = le32_to_cpu(*(__le32 *)skb->data);
+ break;
+ case MCU_EXT_CMD_EFUSE_ACCESS:
+ ret = mt7915_mcu_parse_eeprom(dev, skb);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static int
+mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+ int cmd, int *wait_seq)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
struct mt7915_mcu_txd *mcu_txd;
u8 seq, pkt_fmt, qidx;
enum mt76_txq_id txq;
__le32 *txd;
u32 val;
+ /* TODO: make dynamic based on msg type */
+ mdev->mcu.timeout = 20 * HZ;
+
seq = ++dev->mt76.mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mt76.mcu.msg_seq & 0xf;
@@ -290,101 +350,6 @@ static int __mt7915_mcu_msg_send(struct mt7915_dev *dev, struct sk_buff *skb,
return mt76_tx_queue_skb_raw(dev, txq, skb, 0);
}
-static int
-mt7915_mcu_parse_eeprom(struct mt7915_dev *dev, struct sk_buff *skb)
-{
- struct mt7915_mcu_eeprom_info *res;
- u8 *buf;
-
- if (!skb)
- return -EINVAL;
-
- skb_pull(skb, sizeof(struct mt7915_mcu_rxd));
-
- res = (struct mt7915_mcu_eeprom_info *)skb->data;
- buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
- memcpy(buf, res->data, 16);
-
- return 0;
-}
-
-static int
-mt7915_mcu_parse_response(struct mt76_dev *mdev, int cmd,
- struct sk_buff *skb, int seq)
-{
- struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
- struct mt7915_mcu_rxd *rxd;
- int ret = 0;
-
- if (!skb) {
- dev_err(mdev->dev, "Message %d (seq %d) timeout\n",
- cmd, seq);
- return -ETIMEDOUT;
- }
-
- rxd = (struct mt7915_mcu_rxd *)skb->data;
- if (seq != rxd->seq)
- return -EAGAIN;
-
- switch (cmd) {
- case -MCU_CMD_PATCH_SEM_CONTROL:
- skb_pull(skb, sizeof(*rxd) - 4);
- ret = *skb->data;
- break;
- case MCU_EXT_CMD_THERMAL_CTRL:
- skb_pull(skb, sizeof(*rxd) + 4);
- ret = le32_to_cpu(*(__le32 *)skb->data);
- break;
- case MCU_EXT_CMD_EFUSE_ACCESS:
- ret = mt7915_mcu_parse_eeprom(dev, skb);
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static int
-mt7915_mcu_wait_response(struct mt7915_dev *dev, int cmd, int seq)
-{
- unsigned long expires = jiffies + 20 * HZ;
- struct sk_buff *skb;
- int ret = 0;
-
- while (true) {
- skb = mt76_mcu_get_response(&dev->mt76, expires);
- ret = mt7915_mcu_parse_response(&dev->mt76, cmd, skb, seq);
- dev_kfree_skb(skb);
- if (ret != -EAGAIN)
- break;
- }
-
- return ret;
-}
-
-static int
-mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
- int cmd, bool wait_resp)
-{
- struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
- int ret, seq;
-
- mutex_lock(&mdev->mcu.mutex);
-
- ret = __mt7915_mcu_msg_send(dev, skb, cmd, &seq);
- if (ret)
- goto out;
-
- if (wait_resp)
- ret = mt7915_mcu_wait_response(dev, cmd, seq);
-
-out:
- mutex_unlock(&mdev->mcu.mutex);
-
- return ret;
-}
-
static int
mt7915_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
int len, bool wait_resp)
This removes some code duplication and prepares the code for making the MCU API more flexible Signed-off-by: Felix Fietkau <nbd@nbd.name> --- drivers/net/wireless/mediatek/mt76/mcu.c | 32 ++++ drivers/net/wireless/mediatek/mt76/mt76.h | 6 +- .../net/wireless/mediatek/mt76/mt7615/mcu.c | 57 ++----- .../wireless/mediatek/mt76/mt7615/mt7615.h | 1 - .../wireless/mediatek/mt76/mt7615/sdio_mcu.c | 15 +- .../wireless/mediatek/mt76/mt7615/usb_mcu.c | 14 +- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 159 +++++++----------- 7 files changed, 116 insertions(+), 168 deletions(-)