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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76.h')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76.h174
1 files changed, 168 insertions, 6 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index d2166fbf50ff..2eab35879163 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -22,6 +22,7 @@
#include <linux/spinlock.h>
#include <linux/skbuff.h>
#include <linux/leds.h>
+#include <linux/usb.h>
#include <net/mac80211.h>
#include "util.h"
@@ -30,6 +31,7 @@
#define MT_RX_BUF_SIZE 2048
struct mt76_dev;
+struct mt76_wcid;
struct mt76_bus_ops {
u32 (*rr)(struct mt76_dev *dev, u32 offset);
@@ -62,12 +64,22 @@ struct mt76_queue_buf {
int len;
};
+struct mt76u_buf {
+ struct mt76_dev *dev;
+ struct urb *urb;
+ size_t len;
+ bool done;
+};
+
struct mt76_queue_entry {
union {
void *buf;
struct sk_buff *skb;
};
- struct mt76_txwi_cache *txwi;
+ union {
+ struct mt76_txwi_cache *txwi;
+ struct mt76u_buf ubuf;
+ };
bool schedule;
};
@@ -88,6 +100,7 @@ struct mt76_queue {
struct list_head swq;
int swq_queued;
+ u16 first;
u16 head;
u16 tail;
int ndesc;
@@ -110,6 +123,10 @@ struct mt76_queue_ops {
struct mt76_queue_buf *buf, int nbufs, u32 info,
struct sk_buff *skb, void *txwi);
+ int (*tx_queue_skb)(struct mt76_dev *dev, struct mt76_queue *q,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta);
+
void *(*dequeue)(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
int *len, u32 *info, bool *more);
@@ -187,9 +204,13 @@ struct mt76_rx_tid {
enum {
MT76_STATE_INITIALIZED,
MT76_STATE_RUNNING,
+ MT76_STATE_MCU_RUNNING,
MT76_SCANNING,
MT76_RESET,
MT76_OFFCHANNEL,
+ MT76_REMOVED,
+ MT76_READING_STATS,
+ MT76_MORE_STATS,
};
struct mt76_hw_cap {
@@ -210,6 +231,8 @@ struct mt76_driver_ops {
void (*tx_complete_skb)(struct mt76_dev *dev, struct mt76_queue *q,
struct mt76_queue_entry *e, bool flush);
+ bool (*tx_status_data)(struct mt76_dev *dev, u8 *update);
+
void (*rx_skb)(struct mt76_dev *dev, enum mt76_rxq_id q,
struct sk_buff *skb);
@@ -229,6 +252,64 @@ struct mt76_sband {
struct mt76_channel_state *chan;
};
+/* addr req mask */
+#define MT_VEND_TYPE_EEPROM BIT(31)
+#define MT_VEND_TYPE_CFG BIT(30)
+#define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG)
+
+#define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n))
+enum mt_vendor_req {
+ MT_VEND_DEV_MODE = 0x1,
+ MT_VEND_WRITE = 0x2,
+ MT_VEND_MULTI_WRITE = 0x6,
+ MT_VEND_MULTI_READ = 0x7,
+ MT_VEND_READ_EEPROM = 0x9,
+ MT_VEND_WRITE_FCE = 0x42,
+ MT_VEND_WRITE_CFG = 0x46,
+ MT_VEND_READ_CFG = 0x47,
+};
+
+enum mt76u_in_ep {
+ MT_EP_IN_PKT_RX,
+ MT_EP_IN_CMD_RESP,
+ __MT_EP_IN_MAX,
+};
+
+enum mt76u_out_ep {
+ MT_EP_OUT_INBAND_CMD,
+ MT_EP_OUT_AC_BK,
+ MT_EP_OUT_AC_BE,
+ MT_EP_OUT_AC_VI,
+ MT_EP_OUT_AC_VO,
+ MT_EP_OUT_HCCA,
+ __MT_EP_OUT_MAX,
+};
+
+#define MT_SG_MAX_SIZE 8
+#define MT_NUM_TX_ENTRIES 256
+#define MT_NUM_RX_ENTRIES 128
+#define MCU_RESP_URB_SIZE 1024
+struct mt76_usb {
+ struct mutex usb_ctrl_mtx;
+ u8 data[32];
+
+ struct tasklet_struct rx_tasklet;
+ struct tasklet_struct tx_tasklet;
+ struct delayed_work stat_work;
+
+ u8 out_ep[__MT_EP_OUT_MAX];
+ u16 out_max_packet;
+ u8 in_ep[__MT_EP_IN_MAX];
+ u16 in_max_packet;
+
+ struct mt76u_mcu {
+ struct mutex mutex;
+ struct completion cmpl;
+ struct mt76u_buf res;
+ u32 msg_seq;
+ } mcu;
+};
+
struct mt76_dev {
struct ieee80211_hw *hw;
struct cfg80211_chan_def chandef;
@@ -271,6 +352,8 @@ struct mt76_dev {
char led_name[32];
bool led_al;
u8 led_pin;
+
+ struct mt76_usb usb;
};
enum mt76_phy_type {
@@ -390,6 +473,26 @@ struct dentry *mt76_register_debugfs(struct mt76_dev *dev);
int mt76_eeprom_init(struct mt76_dev *dev, int len);
void mt76_eeprom_override(struct mt76_dev *dev);
+/* increment with wrap-around */
+static inline int mt76_incr(int val, int size)
+{
+ return (val + 1) & (size - 1);
+}
+
+/* decrement with wrap-around */
+static inline int mt76_decr(int val, int size)
+{
+ return (val - 1) & (size - 1);
+}
+
+/* Hardware uses mirrored order of queues with Q3
+ * having the highest priority
+ */
+static inline u8 q2hwq(u8 q)
+{
+ return q ^ 0x3;
+}
+
static inline struct ieee80211_txq *
mtxq_to_txq(struct mt76_txq *mtxq)
{
@@ -409,9 +512,9 @@ wcid_to_sta(struct mt76_wcid *wcid)
return container_of(ptr, struct ieee80211_sta, drv_priv);
}
-int mt76_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
- struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta);
+int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta);
void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb);
void mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
@@ -442,10 +545,69 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
/* internal */
void mt76_tx_free(struct mt76_dev *dev);
+struct mt76_txwi_cache *mt76_get_txwi(struct mt76_dev *dev);
void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
- int queue);
-void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q);
+ struct napi_struct *napi);
+void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
+ struct napi_struct *napi);
void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
+/* usb */
+static inline bool mt76u_urb_error(struct urb *urb)
+{
+ return urb->status &&
+ urb->status != -ECONNRESET &&
+ urb->status != -ESHUTDOWN &&
+ urb->status != -ENOENT;
+}
+
+/* Map hardware queues to usb endpoints */
+static inline u8 q2ep(u8 qid)
+{
+ /* TODO: take management packets to queue 5 */
+ return qid + 1;
+}
+
+static inline bool mt76u_check_sg(struct mt76_dev *dev)
+{
+ struct usb_interface *intf = to_usb_interface(dev->dev);
+ struct usb_device *udev = interface_to_usbdev(intf);
+
+ return (udev->bus->sg_tablesize > 0 &&
+ (udev->bus->no_sg_constraint ||
+ udev->speed == USB_SPEED_WIRELESS));
+}
+
+int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
+ u8 req_type, u16 val, u16 offset,
+ void *buf, size_t len);
+void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
+ const u16 offset, const u32 val);
+u32 mt76u_rr(struct mt76_dev *dev, u32 addr);
+void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val);
+int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf);
+void mt76u_deinit(struct mt76_dev *dev);
+int mt76u_buf_alloc(struct mt76_dev *dev, struct mt76u_buf *buf,
+ int nsgs, int len, int sglen, gfp_t gfp);
+void mt76u_buf_free(struct mt76u_buf *buf);
+int mt76u_submit_buf(struct mt76_dev *dev, int dir, int index,
+ struct mt76u_buf *buf, gfp_t gfp,
+ usb_complete_t complete_fn, void *context);
+int mt76u_submit_rx_buffers(struct mt76_dev *dev);
+int mt76u_alloc_queues(struct mt76_dev *dev);
+void mt76u_stop_queues(struct mt76_dev *dev);
+void mt76u_stop_stat_wk(struct mt76_dev *dev);
+void mt76u_queues_deinit(struct mt76_dev *dev);
+int mt76u_skb_dma_info(struct sk_buff *skb, int port, u32 flags);
+
+int mt76u_mcu_fw_send_data(struct mt76_dev *dev, const void *data,
+ int data_len, u32 max_payload, u32 offset);
+void mt76u_mcu_complete_urb(struct urb *urb);
+struct sk_buff *mt76u_mcu_msg_alloc(const void *data, int len);
+int mt76u_mcu_send_msg(struct mt76_dev *dev, struct sk_buff *skb,
+ int cmd, bool wait_resp);
+void mt76u_mcu_fw_reset(struct mt76_dev *dev);
+int mt76u_mcu_init_rx(struct mt76_dev *dev);
+
#endif