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