diff options
Diffstat (limited to 'kernel/drivers/staging/vt6655/channel.c')
-rw-r--r-- | kernel/drivers/staging/vt6655/channel.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/kernel/drivers/staging/vt6655/channel.c b/kernel/drivers/staging/vt6655/channel.c new file mode 100644 index 000000000..7a717828f --- /dev/null +++ b/kernel/drivers/staging/vt6655/channel.c @@ -0,0 +1,237 @@ +/* + * 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; +} |