/* * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * File: channel.c * */ #include "baseband.h" #include "channel.h" #include "device.h" #include "rf.h" static struct ieee80211_rate vnt_rates_bg[] = { { .bitrate = 10, .hw_value = RATE_1M }, { .bitrate = 20, .hw_value = RATE_2M }, { .bitrate = 55, .hw_value = RATE_5M }, { .bitrate = 110, .hw_value = RATE_11M }, { .bitrate = 60, .hw_value = RATE_6M }, { .bitrate = 90, .hw_value = RATE_9M }, { .bitrate = 120, .hw_value = RATE_12M }, { .bitrate = 180, .hw_value = RATE_18M }, { .bitrate = 240, .hw_value = RATE_24M }, { .bitrate = 360, .hw_value = RATE_36M }, { .bitrate = 480, .hw_value = RATE_48M }, { .bitrate = 540, .hw_value = RATE_54M }, }; static struct ieee80211_rate vnt_rates_a[] = { { .bitrate = 60, .hw_value = RATE_6M }, { .bitrate = 90, .hw_value = RATE_9M }, { .bitrate = 120, .hw_value = RATE_12M }, { .bitrate = 180, .hw_value = RATE_18M }, { .bitrate = 240, .hw_value = RATE_24M }, { .bitrate = 360, .hw_value = RATE_36M }, { .bitrate = 480, .hw_value = RATE_48M }, { .bitrate = 540, .hw_value = RATE_54M }, }; static struct ieee80211_channel vnt_channels_2ghz[] = { { .center_freq = 2412, .hw_value = 1 }, { .center_freq = 2417, .hw_value = 2 }, { .center_freq = 2422, .hw_value = 3 }, { .center_freq = 2427, .hw_value = 4 }, { .center_freq = 2432, .hw_value = 5 }, { .center_freq = 2437, .hw_value = 6 }, { .center_freq = 2442, .hw_value = 7 }, { .center_freq = 2447, .hw_value = 8 }, { .center_freq = 2452, .hw_value = 9 }, { .center_freq = 2457, .hw_value = 10 }, { .center_freq = 2462, .hw_value = 11 }, { .center_freq = 2467, .hw_value = 12 }, { .center_freq = 2472, .hw_value = 13 }, { .center_freq = 2484, .hw_value = 14 } }; static struct ieee80211_channel vnt_channels_5ghz[] = { { .center_freq = 4915, .hw_value = 15 }, { .center_freq = 4920, .hw_value = 16 }, { .center_freq = 4925, .hw_value = 17 }, { .center_freq = 4935, .hw_value = 18 }, { .center_freq = 4940, .hw_value = 19 }, { .center_freq = 4945, .hw_value = 20 }, { .center_freq = 4960, .hw_value = 21 }, { .center_freq = 4980, .hw_value = 22 }, { .center_freq = 5035, .hw_value = 23 }, { .center_freq = 5040, .hw_value = 24 }, { .center_freq = 5045, .hw_value = 25 }, { .center_freq = 5055, .hw_value = 26 }, { .center_freq = 5060, .hw_value = 27 }, { .center_freq = 5080, .hw_value = 28 }, { .center_freq = 5170, .hw_value = 29 }, { .center_freq = 5180, .hw_value = 30 }, { .center_freq = 5190, .hw_value = 31 }, { .center_freq = 5200, .hw_value = 32 }, { .center_freq = 5210, .hw_value = 33 }, { .center_freq = 5220, .hw_value = 34 }, { .center_freq = 5230, .hw_value = 35 }, { .center_freq = 5240, .hw_value = 36 }, { .center_freq = 5260, .hw_value = 37 }, { .center_freq = 5280, .hw_value = 38 }, { .center_freq = 5300, .hw_value = 39 }, { .center_freq = 5320, .hw_value = 40 }, { .center_freq = 5500, .hw_value = 41 }, { .center_freq = 5520, .hw_value = 42 }, { .center_freq = 5540, .hw_value = 43 }, { .center_freq = 5560, .hw_value = 44 }, { .center_freq = 5580, .hw_value = 45 }, { .center_freq = 5600, .hw_value = 46 }, { .center_freq = 5620, .hw_value = 47 }, { .center_freq = 5640, .hw_value = 48 }, { .center_freq = 5660, .hw_value = 49 }, { .center_freq = 5680, .hw_value = 50 }, { .center_freq = 5700, .hw_value = 51 }, { .center_freq = 5745, .hw_value = 52 }, { .center_freq = 5765, .hw_value = 53 }, { .center_freq = 5785, .hw_value = 54 }, { .center_freq = 5805, .hw_value = 55 }, { .center_freq = 5825, .hw_value = 56 } }; static struct ieee80211_supported_band vnt_supported_2ghz_band = { .channels = vnt_channels_2ghz, .n_channels = ARRAY_SIZE(vnt_channels_2ghz), .bitrates = vnt_rates_bg, .n_bitrates = ARRAY_SIZE(vnt_rates_bg), }; static struct ieee80211_supported_band vnt_supported_5ghz_band = { .channels = vnt_channels_5ghz, .n_channels = ARRAY_SIZE(vnt_channels_5ghz), .bitrates = vnt_rates_a, .n_bitrates = ARRAY_SIZE(vnt_rates_a), }; void vnt_init_bands(struct vnt_private *priv) { struct ieee80211_channel *ch; int i; switch (priv->byRFType) { case RF_AIROHA7230: case RF_UW2452: case RF_NOTHING: default: ch = vnt_channels_5ghz; for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) { ch[i].max_power = 0x3f; ch[i].flags = IEEE80211_CHAN_NO_HT40; } priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &vnt_supported_5ghz_band; /* fallthrough */ case RF_RFMD2959: case RF_AIROHA: case RF_AL2230S: case RF_UW2451: case RF_VT3226: ch = vnt_channels_2ghz; for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) { ch[i].max_power = 0x3f; ch[i].flags = IEEE80211_CHAN_NO_HT40; } priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &vnt_supported_2ghz_band; break; } } /** * set_channel() - Set NIC media channel * * @pDeviceHandler: The adapter to be set * @uConnectionChannel: Channel to be set * * Return Value: true if succeeded; false if failed. * */ bool set_channel(void *pDeviceHandler, struct ieee80211_channel *ch) { struct vnt_private *pDevice = pDeviceHandler; bool bResult = true; if (pDevice->byCurrentCh == ch->hw_value) return bResult; /* Set VGA to max sensitivity */ if (pDevice->bUpdateBBVGA && pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) { pDevice->byBBVGACurrent = pDevice->abyBBVGA[0]; BBvSetVGAGainOffset(pDevice, pDevice->byBBVGACurrent); } /* clear NAV */ MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV); /* TX_PE will reserve 3 us for MAX2829 A mode only, it is for better TX throughput */ if (pDevice->byRFType == RF_AIROHA7230) RFbAL7230SelectChannelPostProcess(pDevice, pDevice->byCurrentCh, ch->hw_value); pDevice->byCurrentCh = ch->hw_value; bResult &= RFbSelectChannel(pDevice, pDevice->byRFType, ch->hw_value); /* Init Synthesizer Table */ if (pDevice->bEnablePSMode) RFvWriteWakeProgSyn(pDevice, pDevice->byRFType, ch->hw_value); BBvSoftwareReset(pDevice); if (pDevice->byLocalID > REV_ID_VT3253_B1) { unsigned long flags; spin_lock_irqsave(&pDevice->lock, flags); /* set HW default power register */ MACvSelectPage1(pDevice->PortOffset); RFbSetPower(pDevice, RATE_1M, pDevice->byCurrentCh); VNSvOutPortB(pDevice->PortOffset + MAC_REG_PWRCCK, pDevice->byCurPwr); RFbSetPower(pDevice, RATE_6M, pDevice->byCurrentCh); VNSvOutPortB(pDevice->PortOffset + MAC_REG_PWROFDM, pDevice->byCurPwr); MACvSelectPage0(pDevice->PortOffset); spin_unlock_irqrestore(&pDevice->lock, flags); } if (pDevice->byBBType == BB_TYPE_11B) RFbSetPower(pDevice, RATE_1M, pDevice->byCurrentCh); else RFbSetPower(pDevice, RATE_6M, pDevice->byCurrentCh); return bResult; }