diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/wmi.h')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/wmi.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h new file mode 100644 index 0000000..765db5f --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -0,0 +1,139 @@ +/* + * Copyright (c) 2010 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef WMI_H +#define WMI_H + + +struct wmi_event_txrate { + __be32 txrate; + struct { + u8 rssi_thresh; + u8 per; + } rc_stats; +} __packed; + +struct wmi_cmd_hdr { + __be16 command_id; + __be16 seq_no; +} __packed; + +struct wmi_swba { + u8 beacon_pending; +} __packed; + +enum wmi_cmd_id { + WMI_ECHO_CMDID = 0x0001, + WMI_ACCESS_MEMORY_CMDID, + + /* Commands to Target */ + WMI_DISABLE_INTR_CMDID, + WMI_ENABLE_INTR_CMDID, + WMI_RX_LINK_CMDID, + WMI_ATH_INIT_CMDID, + WMI_ABORT_TXQ_CMDID, + WMI_STOP_TX_DMA_CMDID, + WMI_STOP_DMA_RECV_CMDID, + WMI_ABORT_TX_DMA_CMDID, + WMI_DRAIN_TXQ_CMDID, + WMI_DRAIN_TXQ_ALL_CMDID, + WMI_START_RECV_CMDID, + WMI_STOP_RECV_CMDID, + WMI_FLUSH_RECV_CMDID, + WMI_SET_MODE_CMDID, + WMI_RESET_CMDID, + WMI_NODE_CREATE_CMDID, + WMI_NODE_REMOVE_CMDID, + WMI_VAP_REMOVE_CMDID, + WMI_VAP_CREATE_CMDID, + WMI_BEACON_UPDATE_CMDID, + WMI_REG_READ_CMDID, + WMI_REG_WRITE_CMDID, + WMI_RC_STATE_CHANGE_CMDID, + WMI_RC_RATE_UPDATE_CMDID, + WMI_DEBUG_INFO_CMDID, + WMI_HOST_ATTACH, + WMI_TARGET_IC_UPDATE_CMDID, + WMI_TGT_STATS_CMDID, + WMI_TX_AGGR_ENABLE_CMDID, + WMI_TGT_DETACH_CMDID, + WMI_TGT_TXQ_ENABLE_CMDID, +}; + +enum wmi_event_id { + WMI_TGT_RDY_EVENTID = 0x1001, + WMI_SWBA_EVENTID, + WMI_FATAL_EVENTID, + WMI_TXTO_EVENTID, + WMI_BMISS_EVENTID, + WMI_WLAN_TXCOMP_EVENTID, + WMI_DELBA_EVENTID, + WMI_TXRATE_EVENTID, +}; + +#define MAX_CMD_NUMBER 62 + +struct register_write { + __be32 reg; + __be32 val; +}; + +struct wmi { + struct ath9k_htc_priv *drv_priv; + struct htc_target *htc; + enum htc_endpoint_id ctrl_epid; + struct mutex op_mutex; + struct completion cmd_wait; + enum wmi_cmd_id last_cmd_id; + u16 tx_seq_id; + u8 *cmd_rsp_buf; + u32 cmd_rsp_len; + bool stopped; + + struct sk_buff *wmi_skb; + spinlock_t wmi_lock; + + atomic_t mwrite_cnt; + struct register_write multi_write[MAX_CMD_NUMBER]; + u32 multi_write_idx; + struct mutex multi_write_mutex; +}; + +struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv); +void ath9k_deinit_wmi(struct ath9k_htc_priv *priv); +int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi, + enum htc_endpoint_id *wmi_ctrl_epid); +int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, + u8 *cmd_buf, u32 cmd_len, + u8 *rsp_buf, u32 rsp_len, + u32 timeout); +void ath9k_wmi_tasklet(unsigned long data); + +#define WMI_CMD(_wmi_cmd) \ + do { \ + ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, NULL, 0, \ + (u8 *) &cmd_rsp, \ + sizeof(cmd_rsp), HZ*2); \ + } while (0) + +#define WMI_CMD_BUF(_wmi_cmd, _buf) \ + do { \ + ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, \ + (u8 *) _buf, sizeof(*_buf), \ + &cmd_rsp, sizeof(cmd_rsp), HZ*2); \ + } while (0) + +#endif /* WMI_H */ |