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604 lines
16 KiB
604 lines
16 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers |
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* |
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* Copyright (c) 2010, ST-Ericsson |
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* Author: Dmitry Tarnyagin <[email protected]> |
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* |
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* Based on: |
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* Copyright (c) 2006, Michael Wu <[email protected]> |
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* Copyright (c) 2007-2009, Christian Lamparter <[email protected]> |
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* Copyright 2008, Johannes Berg <[email protected]> |
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* |
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* Based on: |
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* - the islsm (softmac prism54) driver, which is: |
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* Copyright 2004-2006 Jean-Baptiste Note <[email protected]>, et al. |
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* - stlc45xx driver |
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* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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*/ |
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#include <linux/module.h> |
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#include <linux/firmware.h> |
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#include <linux/etherdevice.h> |
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#include <linux/vmalloc.h> |
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#include <linux/random.h> |
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#include <linux/sched.h> |
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#include <net/mac80211.h> |
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#include "cw1200.h" |
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#include "txrx.h" |
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#include "hwbus.h" |
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#include "fwio.h" |
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#include "hwio.h" |
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#include "bh.h" |
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#include "sta.h" |
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#include "scan.h" |
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#include "debug.h" |
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#include "pm.h" |
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MODULE_AUTHOR("Dmitry Tarnyagin <[email protected]>"); |
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MODULE_DESCRIPTION("Softmac ST-Ericsson CW1200 common code"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("cw1200_core"); |
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/* Accept MAC address of the form macaddr=0x00,0x80,0xE1,0x30,0x40,0x50 */ |
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static u8 cw1200_mac_template[ETH_ALEN] = {0x02, 0x80, 0xe1, 0x00, 0x00, 0x00}; |
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module_param_array_named(macaddr, cw1200_mac_template, byte, NULL, 0444); |
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MODULE_PARM_DESC(macaddr, "Override platform_data MAC address"); |
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static char *cw1200_sdd_path; |
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module_param(cw1200_sdd_path, charp, 0644); |
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MODULE_PARM_DESC(cw1200_sdd_path, "Override platform_data SDD file"); |
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static int cw1200_refclk; |
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module_param(cw1200_refclk, int, 0644); |
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MODULE_PARM_DESC(cw1200_refclk, "Override platform_data reference clock"); |
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int cw1200_power_mode = wsm_power_mode_quiescent; |
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module_param(cw1200_power_mode, int, 0644); |
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MODULE_PARM_DESC(cw1200_power_mode, "WSM power mode. 0 == active, 1 == doze, 2 == quiescent (default)"); |
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#define RATETAB_ENT(_rate, _rateid, _flags) \ |
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{ \ |
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.bitrate = (_rate), \ |
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.hw_value = (_rateid), \ |
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.flags = (_flags), \ |
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} |
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static struct ieee80211_rate cw1200_rates[] = { |
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RATETAB_ENT(10, 0, 0), |
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RATETAB_ENT(20, 1, 0), |
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RATETAB_ENT(55, 2, 0), |
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RATETAB_ENT(110, 3, 0), |
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RATETAB_ENT(60, 6, 0), |
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RATETAB_ENT(90, 7, 0), |
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RATETAB_ENT(120, 8, 0), |
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RATETAB_ENT(180, 9, 0), |
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RATETAB_ENT(240, 10, 0), |
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RATETAB_ENT(360, 11, 0), |
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RATETAB_ENT(480, 12, 0), |
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RATETAB_ENT(540, 13, 0), |
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}; |
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static struct ieee80211_rate cw1200_mcs_rates[] = { |
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RATETAB_ENT(65, 14, IEEE80211_TX_RC_MCS), |
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RATETAB_ENT(130, 15, IEEE80211_TX_RC_MCS), |
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RATETAB_ENT(195, 16, IEEE80211_TX_RC_MCS), |
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RATETAB_ENT(260, 17, IEEE80211_TX_RC_MCS), |
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RATETAB_ENT(390, 18, IEEE80211_TX_RC_MCS), |
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RATETAB_ENT(520, 19, IEEE80211_TX_RC_MCS), |
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RATETAB_ENT(585, 20, IEEE80211_TX_RC_MCS), |
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RATETAB_ENT(650, 21, IEEE80211_TX_RC_MCS), |
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}; |
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#define cw1200_a_rates (cw1200_rates + 4) |
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#define cw1200_a_rates_size (ARRAY_SIZE(cw1200_rates) - 4) |
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#define cw1200_g_rates (cw1200_rates + 0) |
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#define cw1200_g_rates_size (ARRAY_SIZE(cw1200_rates)) |
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#define cw1200_n_rates (cw1200_mcs_rates) |
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#define cw1200_n_rates_size (ARRAY_SIZE(cw1200_mcs_rates)) |
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#define CHAN2G(_channel, _freq, _flags) { \ |
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.band = NL80211_BAND_2GHZ, \ |
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.center_freq = (_freq), \ |
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.hw_value = (_channel), \ |
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.flags = (_flags), \ |
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.max_antenna_gain = 0, \ |
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.max_power = 30, \ |
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} |
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#define CHAN5G(_channel, _flags) { \ |
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.band = NL80211_BAND_5GHZ, \ |
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.center_freq = 5000 + (5 * (_channel)), \ |
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.hw_value = (_channel), \ |
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.flags = (_flags), \ |
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.max_antenna_gain = 0, \ |
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.max_power = 30, \ |
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} |
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static struct ieee80211_channel cw1200_2ghz_chantable[] = { |
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CHAN2G(1, 2412, 0), |
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CHAN2G(2, 2417, 0), |
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CHAN2G(3, 2422, 0), |
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CHAN2G(4, 2427, 0), |
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CHAN2G(5, 2432, 0), |
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CHAN2G(6, 2437, 0), |
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CHAN2G(7, 2442, 0), |
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CHAN2G(8, 2447, 0), |
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CHAN2G(9, 2452, 0), |
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CHAN2G(10, 2457, 0), |
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CHAN2G(11, 2462, 0), |
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CHAN2G(12, 2467, 0), |
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CHAN2G(13, 2472, 0), |
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CHAN2G(14, 2484, 0), |
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}; |
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static struct ieee80211_channel cw1200_5ghz_chantable[] = { |
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CHAN5G(34, 0), CHAN5G(36, 0), |
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CHAN5G(38, 0), CHAN5G(40, 0), |
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CHAN5G(42, 0), CHAN5G(44, 0), |
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CHAN5G(46, 0), CHAN5G(48, 0), |
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CHAN5G(52, 0), CHAN5G(56, 0), |
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CHAN5G(60, 0), CHAN5G(64, 0), |
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CHAN5G(100, 0), CHAN5G(104, 0), |
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CHAN5G(108, 0), CHAN5G(112, 0), |
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CHAN5G(116, 0), CHAN5G(120, 0), |
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CHAN5G(124, 0), CHAN5G(128, 0), |
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CHAN5G(132, 0), CHAN5G(136, 0), |
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CHAN5G(140, 0), CHAN5G(149, 0), |
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CHAN5G(153, 0), CHAN5G(157, 0), |
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CHAN5G(161, 0), CHAN5G(165, 0), |
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CHAN5G(184, 0), CHAN5G(188, 0), |
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CHAN5G(192, 0), CHAN5G(196, 0), |
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CHAN5G(200, 0), CHAN5G(204, 0), |
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CHAN5G(208, 0), CHAN5G(212, 0), |
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CHAN5G(216, 0), |
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}; |
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static struct ieee80211_supported_band cw1200_band_2ghz = { |
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.channels = cw1200_2ghz_chantable, |
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.n_channels = ARRAY_SIZE(cw1200_2ghz_chantable), |
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.bitrates = cw1200_g_rates, |
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.n_bitrates = cw1200_g_rates_size, |
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.ht_cap = { |
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.cap = IEEE80211_HT_CAP_GRN_FLD | |
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(1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | |
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IEEE80211_HT_CAP_MAX_AMSDU, |
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.ht_supported = 1, |
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.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, |
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.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, |
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.mcs = { |
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.rx_mask[0] = 0xFF, |
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.rx_highest = __cpu_to_le16(0x41), |
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.tx_params = IEEE80211_HT_MCS_TX_DEFINED, |
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}, |
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}, |
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}; |
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static struct ieee80211_supported_band cw1200_band_5ghz = { |
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.channels = cw1200_5ghz_chantable, |
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.n_channels = ARRAY_SIZE(cw1200_5ghz_chantable), |
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.bitrates = cw1200_a_rates, |
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.n_bitrates = cw1200_a_rates_size, |
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.ht_cap = { |
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.cap = IEEE80211_HT_CAP_GRN_FLD | |
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(1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | |
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IEEE80211_HT_CAP_MAX_AMSDU, |
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.ht_supported = 1, |
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.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, |
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.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, |
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.mcs = { |
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.rx_mask[0] = 0xFF, |
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.rx_highest = __cpu_to_le16(0x41), |
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.tx_params = IEEE80211_HT_MCS_TX_DEFINED, |
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}, |
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}, |
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}; |
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static const unsigned long cw1200_ttl[] = { |
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1 * HZ, /* VO */ |
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2 * HZ, /* VI */ |
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5 * HZ, /* BE */ |
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10 * HZ /* BK */ |
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}; |
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static const struct ieee80211_ops cw1200_ops = { |
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.start = cw1200_start, |
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.stop = cw1200_stop, |
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.add_interface = cw1200_add_interface, |
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.remove_interface = cw1200_remove_interface, |
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.change_interface = cw1200_change_interface, |
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.tx = cw1200_tx, |
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.hw_scan = cw1200_hw_scan, |
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.set_tim = cw1200_set_tim, |
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.sta_notify = cw1200_sta_notify, |
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.sta_add = cw1200_sta_add, |
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.sta_remove = cw1200_sta_remove, |
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.set_key = cw1200_set_key, |
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.set_rts_threshold = cw1200_set_rts_threshold, |
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.config = cw1200_config, |
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.bss_info_changed = cw1200_bss_info_changed, |
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.prepare_multicast = cw1200_prepare_multicast, |
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.configure_filter = cw1200_configure_filter, |
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.conf_tx = cw1200_conf_tx, |
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.get_stats = cw1200_get_stats, |
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.ampdu_action = cw1200_ampdu_action, |
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.flush = cw1200_flush, |
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#ifdef CONFIG_PM |
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.suspend = cw1200_wow_suspend, |
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.resume = cw1200_wow_resume, |
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#endif |
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/* Intentionally not offloaded: */ |
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/*.channel_switch = cw1200_channel_switch, */ |
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/*.remain_on_channel = cw1200_remain_on_channel, */ |
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/*.cancel_remain_on_channel = cw1200_cancel_remain_on_channel, */ |
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}; |
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static int cw1200_ba_rx_tids = -1; |
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static int cw1200_ba_tx_tids = -1; |
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module_param(cw1200_ba_rx_tids, int, 0644); |
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module_param(cw1200_ba_tx_tids, int, 0644); |
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MODULE_PARM_DESC(cw1200_ba_rx_tids, "Block ACK RX TIDs"); |
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MODULE_PARM_DESC(cw1200_ba_tx_tids, "Block ACK TX TIDs"); |
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#ifdef CONFIG_PM |
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static const struct wiphy_wowlan_support cw1200_wowlan_support = { |
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/* Support only for limited wowlan functionalities */ |
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.flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, |
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}; |
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#endif |
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static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, |
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const bool have_5ghz) |
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{ |
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int i, band; |
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struct ieee80211_hw *hw; |
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struct cw1200_common *priv; |
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hw = ieee80211_alloc_hw(sizeof(struct cw1200_common), &cw1200_ops); |
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if (!hw) |
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return NULL; |
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priv = hw->priv; |
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priv->hw = hw; |
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priv->hw_type = -1; |
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priv->mode = NL80211_IFTYPE_UNSPECIFIED; |
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priv->rates = cw1200_rates; /* TODO: fetch from FW */ |
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priv->mcs_rates = cw1200_n_rates; |
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if (cw1200_ba_rx_tids != -1) |
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priv->ba_rx_tid_mask = cw1200_ba_rx_tids; |
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else |
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priv->ba_rx_tid_mask = 0xFF; /* Enable RX BLKACK for all TIDs */ |
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if (cw1200_ba_tx_tids != -1) |
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priv->ba_tx_tid_mask = cw1200_ba_tx_tids; |
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else |
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priv->ba_tx_tid_mask = 0xff; /* Enable TX BLKACK for all TIDs */ |
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ieee80211_hw_set(hw, NEED_DTIM_BEFORE_ASSOC); |
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ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); |
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ieee80211_hw_set(hw, AMPDU_AGGREGATION); |
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ieee80211_hw_set(hw, CONNECTION_MONITOR); |
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ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); |
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ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); |
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ieee80211_hw_set(hw, SIGNAL_DBM); |
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ieee80211_hw_set(hw, SUPPORTS_PS); |
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hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
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BIT(NL80211_IFTYPE_ADHOC) | |
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BIT(NL80211_IFTYPE_AP) | |
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BIT(NL80211_IFTYPE_MESH_POINT) | |
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BIT(NL80211_IFTYPE_P2P_CLIENT) | |
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BIT(NL80211_IFTYPE_P2P_GO); |
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#ifdef CONFIG_PM |
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hw->wiphy->wowlan = &cw1200_wowlan_support; |
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#endif |
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hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; |
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hw->queues = 4; |
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priv->rts_threshold = -1; |
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hw->max_rates = 8; |
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hw->max_rate_tries = 15; |
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hw->extra_tx_headroom = WSM_TX_EXTRA_HEADROOM + |
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8; /* TKIP IV */ |
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hw->sta_data_size = sizeof(struct cw1200_sta_priv); |
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hw->wiphy->bands[NL80211_BAND_2GHZ] = &cw1200_band_2ghz; |
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if (have_5ghz) |
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hw->wiphy->bands[NL80211_BAND_5GHZ] = &cw1200_band_5ghz; |
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/* Channel params have to be cleared before registering wiphy again */ |
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for (band = 0; band < NUM_NL80211_BANDS; band++) { |
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struct ieee80211_supported_band *sband = hw->wiphy->bands[band]; |
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if (!sband) |
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continue; |
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for (i = 0; i < sband->n_channels; i++) { |
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sband->channels[i].flags = 0; |
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sband->channels[i].max_antenna_gain = 0; |
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sband->channels[i].max_power = 30; |
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} |
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} |
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hw->wiphy->max_scan_ssids = 2; |
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hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; |
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if (macaddr) |
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SET_IEEE80211_PERM_ADDR(hw, (u8 *)macaddr); |
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else |
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SET_IEEE80211_PERM_ADDR(hw, cw1200_mac_template); |
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/* Fix up mac address if necessary */ |
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if (hw->wiphy->perm_addr[3] == 0 && |
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hw->wiphy->perm_addr[4] == 0 && |
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hw->wiphy->perm_addr[5] == 0) { |
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get_random_bytes(&hw->wiphy->perm_addr[3], 3); |
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} |
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mutex_init(&priv->wsm_cmd_mux); |
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mutex_init(&priv->conf_mutex); |
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priv->workqueue = create_singlethread_workqueue("cw1200_wq"); |
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if (!priv->workqueue) { |
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ieee80211_free_hw(hw); |
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return NULL; |
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} |
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sema_init(&priv->scan.lock, 1); |
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INIT_WORK(&priv->scan.work, cw1200_scan_work); |
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INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work); |
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INIT_DELAYED_WORK(&priv->scan.timeout, cw1200_scan_timeout); |
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INIT_DELAYED_WORK(&priv->clear_recent_scan_work, |
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cw1200_clear_recent_scan_work); |
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INIT_DELAYED_WORK(&priv->join_timeout, cw1200_join_timeout); |
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INIT_WORK(&priv->unjoin_work, cw1200_unjoin_work); |
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INIT_WORK(&priv->join_complete_work, cw1200_join_complete_work); |
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INIT_WORK(&priv->wep_key_work, cw1200_wep_key_work); |
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INIT_WORK(&priv->tx_policy_upload_work, tx_policy_upload_work); |
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spin_lock_init(&priv->event_queue_lock); |
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INIT_LIST_HEAD(&priv->event_queue); |
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INIT_WORK(&priv->event_handler, cw1200_event_handler); |
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INIT_DELAYED_WORK(&priv->bss_loss_work, cw1200_bss_loss_work); |
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INIT_WORK(&priv->bss_params_work, cw1200_bss_params_work); |
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spin_lock_init(&priv->bss_loss_lock); |
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spin_lock_init(&priv->ps_state_lock); |
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INIT_WORK(&priv->set_cts_work, cw1200_set_cts_work); |
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INIT_WORK(&priv->set_tim_work, cw1200_set_tim_work); |
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INIT_WORK(&priv->multicast_start_work, cw1200_multicast_start_work); |
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INIT_WORK(&priv->multicast_stop_work, cw1200_multicast_stop_work); |
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INIT_WORK(&priv->link_id_work, cw1200_link_id_work); |
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INIT_DELAYED_WORK(&priv->link_id_gc_work, cw1200_link_id_gc_work); |
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INIT_WORK(&priv->linkid_reset_work, cw1200_link_id_reset); |
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INIT_WORK(&priv->update_filtering_work, cw1200_update_filtering_work); |
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INIT_WORK(&priv->set_beacon_wakeup_period_work, |
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cw1200_set_beacon_wakeup_period_work); |
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timer_setup(&priv->mcast_timeout, cw1200_mcast_timeout, 0); |
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if (cw1200_queue_stats_init(&priv->tx_queue_stats, |
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CW1200_LINK_ID_MAX, |
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cw1200_skb_dtor, |
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priv)) { |
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destroy_workqueue(priv->workqueue); |
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ieee80211_free_hw(hw); |
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return NULL; |
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} |
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for (i = 0; i < 4; ++i) { |
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if (cw1200_queue_init(&priv->tx_queue[i], |
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&priv->tx_queue_stats, i, 16, |
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cw1200_ttl[i])) { |
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for (; i > 0; i--) |
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cw1200_queue_deinit(&priv->tx_queue[i - 1]); |
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cw1200_queue_stats_deinit(&priv->tx_queue_stats); |
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destroy_workqueue(priv->workqueue); |
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ieee80211_free_hw(hw); |
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return NULL; |
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} |
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} |
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init_waitqueue_head(&priv->channel_switch_done); |
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init_waitqueue_head(&priv->wsm_cmd_wq); |
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init_waitqueue_head(&priv->wsm_startup_done); |
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init_waitqueue_head(&priv->ps_mode_switch_done); |
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wsm_buf_init(&priv->wsm_cmd_buf); |
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spin_lock_init(&priv->wsm_cmd.lock); |
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priv->wsm_cmd.done = 1; |
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tx_policy_init(priv); |
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return hw; |
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} |
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static int cw1200_register_common(struct ieee80211_hw *dev) |
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{ |
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struct cw1200_common *priv = dev->priv; |
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int err; |
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#ifdef CONFIG_PM |
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err = cw1200_pm_init(&priv->pm_state, priv); |
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if (err) { |
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pr_err("Cannot init PM. (%d).\n", |
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err); |
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return err; |
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} |
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#endif |
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err = ieee80211_register_hw(dev); |
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if (err) { |
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pr_err("Cannot register device (%d).\n", |
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err); |
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#ifdef CONFIG_PM |
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cw1200_pm_deinit(&priv->pm_state); |
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#endif |
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return err; |
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} |
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cw1200_debug_init(priv); |
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pr_info("Registered as '%s'\n", wiphy_name(dev->wiphy)); |
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return 0; |
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} |
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static void cw1200_free_common(struct ieee80211_hw *dev) |
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{ |
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ieee80211_free_hw(dev); |
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} |
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static void cw1200_unregister_common(struct ieee80211_hw *dev) |
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{ |
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struct cw1200_common *priv = dev->priv; |
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int i; |
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ieee80211_unregister_hw(dev); |
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del_timer_sync(&priv->mcast_timeout); |
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cw1200_unregister_bh(priv); |
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|
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cw1200_debug_release(priv); |
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mutex_destroy(&priv->conf_mutex); |
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|
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wsm_buf_deinit(&priv->wsm_cmd_buf); |
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|
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destroy_workqueue(priv->workqueue); |
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priv->workqueue = NULL; |
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|
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if (priv->sdd) { |
|
release_firmware(priv->sdd); |
|
priv->sdd = NULL; |
|
} |
|
|
|
for (i = 0; i < 4; ++i) |
|
cw1200_queue_deinit(&priv->tx_queue[i]); |
|
|
|
cw1200_queue_stats_deinit(&priv->tx_queue_stats); |
|
#ifdef CONFIG_PM |
|
cw1200_pm_deinit(&priv->pm_state); |
|
#endif |
|
} |
|
|
|
/* Clock is in KHz */ |
|
u32 cw1200_dpll_from_clk(u16 clk_khz) |
|
{ |
|
switch (clk_khz) { |
|
case 0x32C8: /* 13000 KHz */ |
|
return 0x1D89D241; |
|
case 0x3E80: /* 16000 KHz */ |
|
return 0x000001E1; |
|
case 0x41A0: /* 16800 KHz */ |
|
return 0x124931C1; |
|
case 0x4B00: /* 19200 KHz */ |
|
return 0x00000191; |
|
case 0x5DC0: /* 24000 KHz */ |
|
return 0x00000141; |
|
case 0x6590: /* 26000 KHz */ |
|
return 0x0EC4F121; |
|
case 0x8340: /* 33600 KHz */ |
|
return 0x092490E1; |
|
case 0x9600: /* 38400 KHz */ |
|
return 0x100010C1; |
|
case 0x9C40: /* 40000 KHz */ |
|
return 0x000000C1; |
|
case 0xBB80: /* 48000 KHz */ |
|
return 0x000000A1; |
|
case 0xCB20: /* 52000 KHz */ |
|
return 0x07627091; |
|
default: |
|
pr_err("Unknown Refclk freq (0x%04x), using 26000KHz\n", |
|
clk_khz); |
|
return 0x0EC4F121; |
|
} |
|
} |
|
|
|
int cw1200_core_probe(const struct hwbus_ops *hwbus_ops, |
|
struct hwbus_priv *hwbus, |
|
struct device *pdev, |
|
struct cw1200_common **core, |
|
int ref_clk, const u8 *macaddr, |
|
const char *sdd_path, bool have_5ghz) |
|
{ |
|
int err = -EINVAL; |
|
struct ieee80211_hw *dev; |
|
struct cw1200_common *priv; |
|
struct wsm_operational_mode mode = { |
|
.power_mode = cw1200_power_mode, |
|
.disable_more_flag_usage = true, |
|
}; |
|
|
|
dev = cw1200_init_common(macaddr, have_5ghz); |
|
if (!dev) |
|
goto err; |
|
|
|
priv = dev->priv; |
|
priv->hw_refclk = ref_clk; |
|
if (cw1200_refclk) |
|
priv->hw_refclk = cw1200_refclk; |
|
|
|
priv->sdd_path = (char *)sdd_path; |
|
if (cw1200_sdd_path) |
|
priv->sdd_path = cw1200_sdd_path; |
|
|
|
priv->hwbus_ops = hwbus_ops; |
|
priv->hwbus_priv = hwbus; |
|
priv->pdev = pdev; |
|
SET_IEEE80211_DEV(priv->hw, pdev); |
|
|
|
/* Pass struct cw1200_common back up */ |
|
*core = priv; |
|
|
|
err = cw1200_register_bh(priv); |
|
if (err) |
|
goto err1; |
|
|
|
err = cw1200_load_firmware(priv); |
|
if (err) |
|
goto err2; |
|
|
|
if (wait_event_interruptible_timeout(priv->wsm_startup_done, |
|
priv->firmware_ready, |
|
3*HZ) <= 0) { |
|
/* TODO: Need to find how to reset device |
|
in QUEUE mode properly. |
|
*/ |
|
pr_err("Timeout waiting on device startup\n"); |
|
err = -ETIMEDOUT; |
|
goto err2; |
|
} |
|
|
|
/* Set low-power mode. */ |
|
wsm_set_operational_mode(priv, &mode); |
|
|
|
/* Enable multi-TX confirmation */ |
|
wsm_use_multi_tx_conf(priv, true); |
|
|
|
err = cw1200_register_common(dev); |
|
if (err) |
|
goto err2; |
|
|
|
return err; |
|
|
|
err2: |
|
cw1200_unregister_bh(priv); |
|
err1: |
|
cw1200_free_common(dev); |
|
err: |
|
*core = NULL; |
|
return err; |
|
} |
|
EXPORT_SYMBOL_GPL(cw1200_core_probe); |
|
|
|
void cw1200_core_release(struct cw1200_common *self) |
|
{ |
|
/* Disable device interrupts */ |
|
self->hwbus_ops->lock(self->hwbus_priv); |
|
__cw1200_irq_enable(self, 0); |
|
self->hwbus_ops->unlock(self->hwbus_priv); |
|
|
|
/* And then clean up */ |
|
cw1200_unregister_common(self->hw); |
|
cw1200_free_common(self->hw); |
|
return; |
|
} |
|
EXPORT_SYMBOL_GPL(cw1200_core_release);
|
|
|