forked from Minki/linux
f7ad1eed4d
Port of the power save entry retry code from wl1251 driver version included in the Maemo Fremantle kernel. This tries to enable power save mode up to 3 times before failing. Signed-off-by: David Gnedt <david.gnedt@davizone.at> Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
/*
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* This file is part of wl1251
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*
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* Copyright (c) 1998-2007 Texas Instruments Incorporated
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* Copyright (C) 2008 Nokia Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef __WL1251_EVENT_H__
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#define __WL1251_EVENT_H__
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/*
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* Mbox events
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*
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* The event mechanism is based on a pair of event buffers (buffers A and
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* B) at fixed locations in the target's memory. The host processes one
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* buffer while the other buffer continues to collect events. If the host
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* is not processing events, an interrupt is issued to signal that a buffer
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* is ready. Once the host is done with processing events from one buffer,
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* it signals the target (with an ACK interrupt) that the event buffer is
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* free.
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*/
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enum {
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RESERVED1_EVENT_ID = BIT(0),
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RESERVED2_EVENT_ID = BIT(1),
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MEASUREMENT_START_EVENT_ID = BIT(2),
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SCAN_COMPLETE_EVENT_ID = BIT(3),
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CALIBRATION_COMPLETE_EVENT_ID = BIT(4),
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ROAMING_TRIGGER_LOW_RSSI_EVENT_ID = BIT(5),
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PS_REPORT_EVENT_ID = BIT(6),
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SYNCHRONIZATION_TIMEOUT_EVENT_ID = BIT(7),
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HEALTH_REPORT_EVENT_ID = BIT(8),
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ACI_DETECTION_EVENT_ID = BIT(9),
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DEBUG_REPORT_EVENT_ID = BIT(10),
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MAC_STATUS_EVENT_ID = BIT(11),
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DISCONNECT_EVENT_COMPLETE_ID = BIT(12),
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JOIN_EVENT_COMPLETE_ID = BIT(13),
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CHANNEL_SWITCH_COMPLETE_EVENT_ID = BIT(14),
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BSS_LOSE_EVENT_ID = BIT(15),
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ROAMING_TRIGGER_MAX_TX_RETRY_EVENT_ID = BIT(16),
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MEASUREMENT_COMPLETE_EVENT_ID = BIT(17),
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AP_DISCOVERY_COMPLETE_EVENT_ID = BIT(18),
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SCHEDULED_SCAN_COMPLETE_EVENT_ID = BIT(19),
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PSPOLL_DELIVERY_FAILURE_EVENT_ID = BIT(20),
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RESET_BSS_EVENT_ID = BIT(21),
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REGAINED_BSS_EVENT_ID = BIT(22),
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ROAMING_TRIGGER_REGAINED_RSSI_EVENT_ID = BIT(23),
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ROAMING_TRIGGER_LOW_SNR_EVENT_ID = BIT(24),
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ROAMING_TRIGGER_REGAINED_SNR_EVENT_ID = BIT(25),
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DBG_EVENT_ID = BIT(26),
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BT_PTA_SENSE_EVENT_ID = BIT(27),
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BT_PTA_PREDICTION_EVENT_ID = BIT(28),
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BT_PTA_AVALANCHE_EVENT_ID = BIT(29),
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PLT_RX_CALIBRATION_COMPLETE_EVENT_ID = BIT(30),
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EVENT_MBOX_ALL_EVENT_ID = 0x7fffffff,
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};
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struct event_debug_report {
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u8 debug_event_id;
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u8 num_params;
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u16 pad;
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u32 report_1;
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u32 report_2;
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u32 report_3;
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} __packed;
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struct event_mailbox {
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u32 events_vector;
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u32 events_mask;
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u32 reserved_1;
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u32 reserved_2;
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char average_rssi_level;
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u8 ps_status;
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u8 channel_switch_status;
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u8 scheduled_scan_status;
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/* Channels scanned by the scheduled scan */
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u16 scheduled_scan_channels;
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/* If bit 0 is set -> target's fatal error */
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u16 health_report;
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u16 bad_fft_counter;
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u8 bt_pta_sense_info;
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u8 bt_pta_protective_info;
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u32 reserved;
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u32 debug_report[2];
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/* Number of FCS errors since last event */
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u32 fcs_err_counter;
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struct event_debug_report report;
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u8 average_snr_level;
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u8 padding[19];
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} __packed;
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enum {
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EVENT_ENTER_POWER_SAVE_FAIL = 0,
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EVENT_ENTER_POWER_SAVE_SUCCESS,
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EVENT_EXIT_POWER_SAVE_FAIL,
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EVENT_EXIT_POWER_SAVE_SUCCESS,
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};
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int wl1251_event_unmask(struct wl1251 *wl);
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void wl1251_event_mbox_config(struct wl1251 *wl);
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int wl1251_event_handle(struct wl1251 *wl, u8 mbox);
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int wl1251_event_wait(struct wl1251 *wl, u32 mask, int timeout_ms);
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#endif
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