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author | Kalle Valo <kvalo@codeaurora.org> | 2015-11-17 19:49:19 +0200 |
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committer | Kalle Valo <kvalo@codeaurora.org> | 2015-11-17 19:49:19 +0200 |
commit | d4a173040a1023e9e0443ea572f4685df406cde9 (patch) | |
tree | 916e24e045c59b7141144c8797a50bbd4a4a35b7 /drivers/net/wireless/adm8211.c | |
parent | c5a37883f42be712a989e54d5d6c0159b0e56599 (diff) | |
download | op-kernel-dev-d4a173040a1023e9e0443ea572f4685df406cde9.zip op-kernel-dev-d4a173040a1023e9e0443ea572f4685df406cde9.tar.gz |
adm80211: move under admtek vendor directory
Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/adm8211.c')
-rw-r--r-- | drivers/net/wireless/adm8211.c | 1993 |
1 files changed, 0 insertions, 1993 deletions
diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c deleted file mode 100644 index 15f057e..0000000 --- a/drivers/net/wireless/adm8211.c +++ /dev/null @@ -1,1993 +0,0 @@ - -/* - * Linux device driver for ADMtek ADM8211 (IEEE 802.11b MAC/BBP) - * - * Copyright (c) 2003, Jouni Malinen <j@w1.fi> - * Copyright (c) 2004-2007, Michael Wu <flamingice@sourmilk.net> - * Some parts copyright (c) 2003 by David Young <dyoung@pobox.com> - * and used with permission. - * - * Much thanks to Infineon-ADMtek for their support of this driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. See README and COPYING for - * more details. - */ - -#include <linux/interrupt.h> -#include <linux/if.h> -#include <linux/skbuff.h> -#include <linux/slab.h> -#include <linux/etherdevice.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/crc32.h> -#include <linux/eeprom_93cx6.h> -#include <linux/module.h> -#include <net/mac80211.h> - -#include "adm8211.h" - -MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); -MODULE_AUTHOR("Jouni Malinen <j@w1.fi>"); -MODULE_DESCRIPTION("Driver for IEEE 802.11b wireless cards based on ADMtek ADM8211"); -MODULE_SUPPORTED_DEVICE("ADM8211"); -MODULE_LICENSE("GPL"); - -static unsigned int tx_ring_size __read_mostly = 16; -static unsigned int rx_ring_size __read_mostly = 16; - -module_param(tx_ring_size, uint, 0); -module_param(rx_ring_size, uint, 0); - -static const struct pci_device_id adm8211_pci_id_table[] = { - /* ADMtek ADM8211 */ - { PCI_DEVICE(0x10B7, 0x6000) }, /* 3Com 3CRSHPW796 */ - { PCI_DEVICE(0x1200, 0x8201) }, /* ? */ - { PCI_DEVICE(0x1317, 0x8201) }, /* ADM8211A */ - { PCI_DEVICE(0x1317, 0x8211) }, /* ADM8211B/C */ - { 0 } -}; - -static struct ieee80211_rate adm8211_rates[] = { - { .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 220, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, /* XX ?? */ -}; - -static const struct ieee80211_channel adm8211_channels[] = { - { .center_freq = 2412}, - { .center_freq = 2417}, - { .center_freq = 2422}, - { .center_freq = 2427}, - { .center_freq = 2432}, - { .center_freq = 2437}, - { .center_freq = 2442}, - { .center_freq = 2447}, - { .center_freq = 2452}, - { .center_freq = 2457}, - { .center_freq = 2462}, - { .center_freq = 2467}, - { .center_freq = 2472}, - { .center_freq = 2484}, -}; - - -static void adm8211_eeprom_register_read(struct eeprom_93cx6 *eeprom) -{ - struct adm8211_priv *priv = eeprom->data; - u32 reg = ADM8211_CSR_READ(SPR); - - eeprom->reg_data_in = reg & ADM8211_SPR_SDI; - eeprom->reg_data_out = reg & ADM8211_SPR_SDO; - eeprom->reg_data_clock = reg & ADM8211_SPR_SCLK; - eeprom->reg_chip_select = reg & ADM8211_SPR_SCS; -} - -static void adm8211_eeprom_register_write(struct eeprom_93cx6 *eeprom) -{ - struct adm8211_priv *priv = eeprom->data; - u32 reg = 0x4000 | ADM8211_SPR_SRS; - - if (eeprom->reg_data_in) - reg |= ADM8211_SPR_SDI; - if (eeprom->reg_data_out) - reg |= ADM8211_SPR_SDO; - if (eeprom->reg_data_clock) - reg |= ADM8211_SPR_SCLK; - if (eeprom->reg_chip_select) - reg |= ADM8211_SPR_SCS; - - ADM8211_CSR_WRITE(SPR, reg); - ADM8211_CSR_READ(SPR); /* eeprom_delay */ -} - -static int adm8211_read_eeprom(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - unsigned int words, i; - struct ieee80211_chan_range chan_range; - u16 cr49; - struct eeprom_93cx6 eeprom = { - .data = priv, - .register_read = adm8211_eeprom_register_read, - .register_write = adm8211_eeprom_register_write - }; - - if (ADM8211_CSR_READ(CSR_TEST0) & ADM8211_CSR_TEST0_EPTYP) { - /* 256 * 16-bit = 512 bytes */ - eeprom.width = PCI_EEPROM_WIDTH_93C66; - words = 256; - } else { - /* 64 * 16-bit = 128 bytes */ - eeprom.width = PCI_EEPROM_WIDTH_93C46; - words = 64; - } - - priv->eeprom_len = words * 2; - priv->eeprom = kmalloc(priv->eeprom_len, GFP_KERNEL); - if (!priv->eeprom) - return -ENOMEM; - - eeprom_93cx6_multiread(&eeprom, 0, (__le16 *)priv->eeprom, words); - - cr49 = le16_to_cpu(priv->eeprom->cr49); - priv->rf_type = (cr49 >> 3) & 0x7; - switch (priv->rf_type) { - case ADM8211_TYPE_INTERSIL: - case ADM8211_TYPE_RFMD: - case ADM8211_TYPE_MARVEL: - case ADM8211_TYPE_AIROHA: - case ADM8211_TYPE_ADMTEK: - break; - - default: - if (priv->pdev->revision < ADM8211_REV_CA) - priv->rf_type = ADM8211_TYPE_RFMD; - else - priv->rf_type = ADM8211_TYPE_AIROHA; - - printk(KERN_WARNING "%s (adm8211): Unknown RFtype %d\n", - pci_name(priv->pdev), (cr49 >> 3) & 0x7); - } - - priv->bbp_type = cr49 & 0x7; - switch (priv->bbp_type) { - case ADM8211_TYPE_INTERSIL: - case ADM8211_TYPE_RFMD: - case ADM8211_TYPE_MARVEL: - case ADM8211_TYPE_AIROHA: - case ADM8211_TYPE_ADMTEK: - break; - default: - if (priv->pdev->revision < ADM8211_REV_CA) - priv->bbp_type = ADM8211_TYPE_RFMD; - else - priv->bbp_type = ADM8211_TYPE_ADMTEK; - - printk(KERN_WARNING "%s (adm8211): Unknown BBPtype: %d\n", - pci_name(priv->pdev), cr49 >> 3); - } - - if (priv->eeprom->country_code >= ARRAY_SIZE(cranges)) { - printk(KERN_WARNING "%s (adm8211): Invalid country code (%d)\n", - pci_name(priv->pdev), priv->eeprom->country_code); - - chan_range = cranges[2]; - } else - chan_range = cranges[priv->eeprom->country_code]; - - printk(KERN_DEBUG "%s (adm8211): Channel range: %d - %d\n", - pci_name(priv->pdev), (int)chan_range.min, (int)chan_range.max); - - BUILD_BUG_ON(sizeof(priv->channels) != sizeof(adm8211_channels)); - - memcpy(priv->channels, adm8211_channels, sizeof(priv->channels)); - priv->band.channels = priv->channels; - priv->band.n_channels = ARRAY_SIZE(adm8211_channels); - priv->band.bitrates = adm8211_rates; - priv->band.n_bitrates = ARRAY_SIZE(adm8211_rates); - - for (i = 1; i <= ARRAY_SIZE(adm8211_channels); i++) - if (i < chan_range.min || i > chan_range.max) - priv->channels[i - 1].flags |= IEEE80211_CHAN_DISABLED; - - switch (priv->eeprom->specific_bbptype) { - case ADM8211_BBP_RFMD3000: - case ADM8211_BBP_RFMD3002: - case ADM8211_BBP_ADM8011: - priv->specific_bbptype = priv->eeprom->specific_bbptype; - break; - - default: - if (priv->pdev->revision < ADM8211_REV_CA) - priv->specific_bbptype = ADM8211_BBP_RFMD3000; - else - priv->specific_bbptype = ADM8211_BBP_ADM8011; - - printk(KERN_WARNING "%s (adm8211): Unknown specific BBP: %d\n", - pci_name(priv->pdev), priv->eeprom->specific_bbptype); - } - - switch (priv->eeprom->specific_rftype) { - case ADM8211_RFMD2948: - case ADM8211_RFMD2958: - case ADM8211_RFMD2958_RF3000_CONTROL_POWER: - case ADM8211_MAX2820: - case ADM8211_AL2210L: - priv->transceiver_type = priv->eeprom->specific_rftype; - break; - - default: - if (priv->pdev->revision == ADM8211_REV_BA) - priv->transceiver_type = ADM8211_RFMD2958_RF3000_CONTROL_POWER; - else if (priv->pdev->revision == ADM8211_REV_CA) - priv->transceiver_type = ADM8211_AL2210L; - else if (priv->pdev->revision == ADM8211_REV_AB) - priv->transceiver_type = ADM8211_RFMD2948; - - printk(KERN_WARNING "%s (adm8211): Unknown transceiver: %d\n", - pci_name(priv->pdev), priv->eeprom->specific_rftype); - - break; - } - - printk(KERN_DEBUG "%s (adm8211): RFtype=%d BBPtype=%d Specific BBP=%d " - "Transceiver=%d\n", pci_name(priv->pdev), priv->rf_type, - priv->bbp_type, priv->specific_bbptype, priv->transceiver_type); - - return 0; -} - -static inline void adm8211_write_sram(struct ieee80211_hw *dev, - u32 addr, u32 data) -{ - struct adm8211_priv *priv = dev->priv; - - ADM8211_CSR_WRITE(WEPCTL, addr | ADM8211_WEPCTL_TABLE_WR | - (priv->pdev->revision < ADM8211_REV_BA ? - 0 : ADM8211_WEPCTL_SEL_WEPTABLE )); - ADM8211_CSR_READ(WEPCTL); - msleep(1); - - ADM8211_CSR_WRITE(WESK, data); - ADM8211_CSR_READ(WESK); - msleep(1); -} - -static void adm8211_write_sram_bytes(struct ieee80211_hw *dev, - unsigned int addr, u8 *buf, - unsigned int len) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg = ADM8211_CSR_READ(WEPCTL); - unsigned int i; - - if (priv->pdev->revision < ADM8211_REV_BA) { - for (i = 0; i < len; i += 2) { - u16 val = buf[i] | (buf[i + 1] << 8); - adm8211_write_sram(dev, addr + i / 2, val); - } - } else { - for (i = 0; i < len; i += 4) { - u32 val = (buf[i + 0] << 0 ) | (buf[i + 1] << 8 ) | - (buf[i + 2] << 16) | (buf[i + 3] << 24); - adm8211_write_sram(dev, addr + i / 4, val); - } - } - - ADM8211_CSR_WRITE(WEPCTL, reg); -} - -static void adm8211_clear_sram(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg = ADM8211_CSR_READ(WEPCTL); - unsigned int addr; - - for (addr = 0; addr < ADM8211_SRAM_SIZE; addr++) - adm8211_write_sram(dev, addr, 0); - - ADM8211_CSR_WRITE(WEPCTL, reg); -} - -static int adm8211_get_stats(struct ieee80211_hw *dev, - struct ieee80211_low_level_stats *stats) -{ - struct adm8211_priv *priv = dev->priv; - - memcpy(stats, &priv->stats, sizeof(*stats)); - - return 0; -} - -static void adm8211_interrupt_tci(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - unsigned int dirty_tx; - - spin_lock(&priv->lock); - - for (dirty_tx = priv->dirty_tx; priv->cur_tx - dirty_tx; dirty_tx++) { - unsigned int entry = dirty_tx % priv->tx_ring_size; - u32 status = le32_to_cpu(priv->tx_ring[entry].status); - struct ieee80211_tx_info *txi; - struct adm8211_tx_ring_info *info; - struct sk_buff *skb; - - if (status & TDES0_CONTROL_OWN || - !(status & TDES0_CONTROL_DONE)) - break; - - info = &priv->tx_buffers[entry]; - skb = info->skb; - txi = IEEE80211_SKB_CB(skb); - - /* TODO: check TDES0_STATUS_TUF and TDES0_STATUS_TRO */ - - pci_unmap_single(priv->pdev, info->mapping, - info->skb->len, PCI_DMA_TODEVICE); - - ieee80211_tx_info_clear_status(txi); - - skb_pull(skb, sizeof(struct adm8211_tx_hdr)); - memcpy(skb_push(skb, info->hdrlen), skb->cb, info->hdrlen); - if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && - !(status & TDES0_STATUS_ES)) - txi->flags |= IEEE80211_TX_STAT_ACK; - - ieee80211_tx_status_irqsafe(dev, skb); - - info->skb = NULL; - } - - if (priv->cur_tx - dirty_tx < priv->tx_ring_size - 2) - ieee80211_wake_queue(dev, 0); - - priv->dirty_tx = dirty_tx; - spin_unlock(&priv->lock); -} - - -static void adm8211_interrupt_rci(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - unsigned int entry = priv->cur_rx % priv->rx_ring_size; - u32 status; - unsigned int pktlen; - struct sk_buff *skb, *newskb; - unsigned int limit = priv->rx_ring_size; - u8 rssi, rate; - - while (!(priv->rx_ring[entry].status & cpu_to_le32(RDES0_STATUS_OWN))) { - if (!limit--) - break; - - status = le32_to_cpu(priv->rx_ring[entry].status); - rate = (status & RDES0_STATUS_RXDR) >> 12; - rssi = le32_to_cpu(priv->rx_ring[entry].length) & - RDES1_STATUS_RSSI; - - pktlen = status & RDES0_STATUS_FL; - if (pktlen > RX_PKT_SIZE) { - if (net_ratelimit()) - wiphy_debug(dev->wiphy, "frame too long (%d)\n", - pktlen); - pktlen = RX_PKT_SIZE; - } - - if (!priv->soft_rx_crc && status & RDES0_STATUS_ES) { - skb = NULL; /* old buffer will be reused */ - /* TODO: update RX error stats */ - /* TODO: check RDES0_STATUS_CRC*E */ - } else if (pktlen < RX_COPY_BREAK) { - skb = dev_alloc_skb(pktlen); - if (skb) { - pci_dma_sync_single_for_cpu( - priv->pdev, - priv->rx_buffers[entry].mapping, - pktlen, PCI_DMA_FROMDEVICE); - memcpy(skb_put(skb, pktlen), - skb_tail_pointer(priv->rx_buffers[entry].skb), - pktlen); - pci_dma_sync_single_for_device( - priv->pdev, - priv->rx_buffers[entry].mapping, - RX_PKT_SIZE, PCI_DMA_FROMDEVICE); - } - } else { - newskb = dev_alloc_skb(RX_PKT_SIZE); - if (newskb) { - skb = priv->rx_buffers[entry].skb; - skb_put(skb, pktlen); - pci_unmap_single( - priv->pdev, - priv->rx_buffers[entry].mapping, - RX_PKT_SIZE, PCI_DMA_FROMDEVICE); - priv->rx_buffers[entry].skb = newskb; - priv->rx_buffers[entry].mapping = - pci_map_single(priv->pdev, - skb_tail_pointer(newskb), - RX_PKT_SIZE, - PCI_DMA_FROMDEVICE); - } else { - skb = NULL; - /* TODO: update rx dropped stats */ - } - - priv->rx_ring[entry].buffer1 = - cpu_to_le32(priv->rx_buffers[entry].mapping); - } - - priv->rx_ring[entry].status = cpu_to_le32(RDES0_STATUS_OWN | - RDES0_STATUS_SQL); - priv->rx_ring[entry].length = - cpu_to_le32(RX_PKT_SIZE | - (entry == priv->rx_ring_size - 1 ? - RDES1_CONTROL_RER : 0)); - - if (skb) { - struct ieee80211_rx_status rx_status = {0}; - - if (priv->pdev->revision < ADM8211_REV_CA) - rx_status.signal = rssi; - else - rx_status.signal = 100 - rssi; - - rx_status.rate_idx = rate; - - rx_status.freq = adm8211_channels[priv->channel - 1].center_freq; - rx_status.band = IEEE80211_BAND_2GHZ; - - memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); - ieee80211_rx_irqsafe(dev, skb); - } - - entry = (++priv->cur_rx) % priv->rx_ring_size; - } - - /* TODO: check LPC and update stats? */ -} - - -static irqreturn_t adm8211_interrupt(int irq, void *dev_id) -{ -#define ADM8211_INT(x) \ -do { \ - if (unlikely(stsr & ADM8211_STSR_ ## x)) \ - wiphy_debug(dev->wiphy, "%s\n", #x); \ -} while (0) - - struct ieee80211_hw *dev = dev_id; - struct adm8211_priv *priv = dev->priv; - u32 stsr = ADM8211_CSR_READ(STSR); - ADM8211_CSR_WRITE(STSR, stsr); - if (stsr == 0xffffffff) - return IRQ_HANDLED; - - if (!(stsr & (ADM8211_STSR_NISS | ADM8211_STSR_AISS))) - return IRQ_HANDLED; - - if (stsr & ADM8211_STSR_RCI) - adm8211_interrupt_rci(dev); - if (stsr & ADM8211_STSR_TCI) - adm8211_interrupt_tci(dev); - - ADM8211_INT(PCF); - ADM8211_INT(BCNTC); - ADM8211_INT(GPINT); - ADM8211_INT(ATIMTC); - ADM8211_INT(TSFTF); - ADM8211_INT(TSCZ); - ADM8211_INT(SQL); - ADM8211_INT(WEPTD); - ADM8211_INT(ATIME); - ADM8211_INT(TEIS); - ADM8211_INT(FBE); - ADM8211_INT(REIS); - ADM8211_INT(GPTT); - ADM8211_INT(RPS); - ADM8211_INT(RDU); - ADM8211_INT(TUF); - ADM8211_INT(TPS); - - return IRQ_HANDLED; - -#undef ADM8211_INT -} - -#define WRITE_SYN(name,v_mask,v_shift,a_mask,a_shift,bits,prewrite,postwrite)\ -static void adm8211_rf_write_syn_ ## name (struct ieee80211_hw *dev, \ - u16 addr, u32 value) { \ - struct adm8211_priv *priv = dev->priv; \ - unsigned int i; \ - u32 reg, bitbuf; \ - \ - value &= v_mask; \ - addr &= a_mask; \ - bitbuf = (value << v_shift) | (addr << a_shift); \ - \ - ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_IF_SELECT_1); \ - ADM8211_CSR_READ(SYNRF); \ - ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_IF_SELECT_0); \ - ADM8211_CSR_READ(SYNRF); \ - \ - if (prewrite) { \ - ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_WRITE_SYNDATA_0); \ - ADM8211_CSR_READ(SYNRF); \ - } \ - \ - for (i = 0; i <= bits; i++) { \ - if (bitbuf & (1 << (bits - i))) \ - reg = ADM8211_SYNRF_WRITE_SYNDATA_1; \ - else \ - reg = ADM8211_SYNRF_WRITE_SYNDATA_0; \ - \ - ADM8211_CSR_WRITE(SYNRF, reg); \ - ADM8211_CSR_READ(SYNRF); \ - \ - ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_WRITE_CLOCK_1); \ - ADM8211_CSR_READ(SYNRF); \ - ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_WRITE_CLOCK_0); \ - ADM8211_CSR_READ(SYNRF); \ - } \ - \ - if (postwrite == 1) { \ - ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_IF_SELECT_0); \ - ADM8211_CSR_READ(SYNRF); \ - } \ - if (postwrite == 2) { \ - ADM8211_CSR_WRITE(SYNRF, reg | ADM8211_SYNRF_IF_SELECT_1); \ - ADM8211_CSR_READ(SYNRF); \ - } \ - \ - ADM8211_CSR_WRITE(SYNRF, 0); \ - ADM8211_CSR_READ(SYNRF); \ -} - -WRITE_SYN(max2820, 0x00FFF, 0, 0x0F, 12, 15, 1, 1) -WRITE_SYN(al2210l, 0xFFFFF, 4, 0x0F, 0, 23, 1, 1) -WRITE_SYN(rfmd2958, 0x3FFFF, 0, 0x1F, 18, 23, 0, 1) -WRITE_SYN(rfmd2948, 0x0FFFF, 4, 0x0F, 0, 21, 0, 2) - -#undef WRITE_SYN - -static int adm8211_write_bbp(struct ieee80211_hw *dev, u8 addr, u8 data) -{ - struct adm8211_priv *priv = dev->priv; - unsigned int timeout; - u32 reg; - - timeout = 10; - while (timeout > 0) { - reg = ADM8211_CSR_READ(BBPCTL); - if (!(reg & (ADM8211_BBPCTL_WR | ADM8211_BBPCTL_RD))) - break; - timeout--; - msleep(2); - } - - if (timeout == 0) { - wiphy_debug(dev->wiphy, - "adm8211_write_bbp(%d,%d) failed prewrite (reg=0x%08x)\n", - addr, data, reg); - return -ETIMEDOUT; - } - - switch (priv->bbp_type) { - case ADM8211_TYPE_INTERSIL: - reg = ADM8211_BBPCTL_MMISEL; /* three wire interface */ - break; - case ADM8211_TYPE_RFMD: - reg = (0x20 << 24) | ADM8211_BBPCTL_TXCE | ADM8211_BBPCTL_CCAP | - (0x01 << 18); - break; - case ADM8211_TYPE_ADMTEK: - reg = (0x20 << 24) | ADM8211_BBPCTL_TXCE | ADM8211_BBPCTL_CCAP | - (0x05 << 18); - break; - } - reg |= ADM8211_BBPCTL_WR | (addr << 8) | data; - - ADM8211_CSR_WRITE(BBPCTL, reg); - - timeout = 10; - while (timeout > 0) { - reg = ADM8211_CSR_READ(BBPCTL); - if (!(reg & ADM8211_BBPCTL_WR)) - break; - timeout--; - msleep(2); - } - - if (timeout == 0) { - ADM8211_CSR_WRITE(BBPCTL, ADM8211_CSR_READ(BBPCTL) & - ~ADM8211_BBPCTL_WR); - wiphy_debug(dev->wiphy, - "adm8211_write_bbp(%d,%d) failed postwrite (reg=0x%08x)\n", - addr, data, reg); - return -ETIMEDOUT; - } - - return 0; -} - -static int adm8211_rf_set_channel(struct ieee80211_hw *dev, unsigned int chan) -{ - static const u32 adm8211_rfmd2958_reg5[] = - {0x22BD, 0x22D2, 0x22E8, 0x22FE, 0x2314, 0x232A, 0x2340, - 0x2355, 0x236B, 0x2381, 0x2397, 0x23AD, 0x23C2, 0x23F7}; - static const u32 adm8211_rfmd2958_reg6[] = - {0x05D17, 0x3A2E8, 0x2E8BA, 0x22E8B, 0x1745D, 0x0BA2E, 0x00000, - 0x345D1, 0x28BA2, 0x1D174, 0x11745, 0x05D17, 0x3A2E8, 0x11745}; - - struct adm8211_priv *priv = dev->priv; - u8 ant_power = priv->ant_power > 0x3F ? - priv->eeprom->antenna_power[chan - 1] : priv->ant_power; - u8 tx_power = priv->tx_power > 0x3F ? - priv->eeprom->tx_power[chan - 1] : priv->tx_power; - u8 lpf_cutoff = priv->lpf_cutoff == 0xFF ? - priv->eeprom->lpf_cutoff[chan - 1] : priv->lpf_cutoff; - u8 lnags_thresh = priv->lnags_threshold == 0xFF ? - priv->eeprom->lnags_threshold[chan - 1] : priv->lnags_threshold; - u32 reg; - - ADM8211_IDLE(); - - /* Program synthesizer to new channel */ - switch (priv->transceiver_type) { - case ADM8211_RFMD2958: - case ADM8211_RFMD2958_RF3000_CONTROL_POWER: - adm8211_rf_write_syn_rfmd2958(dev, 0x00, 0x04007); - adm8211_rf_write_syn_rfmd2958(dev, 0x02, 0x00033); - - adm8211_rf_write_syn_rfmd2958(dev, 0x05, - adm8211_rfmd2958_reg5[chan - 1]); - adm8211_rf_write_syn_rfmd2958(dev, 0x06, - adm8211_rfmd2958_reg6[chan - 1]); - break; - - case ADM8211_RFMD2948: - adm8211_rf_write_syn_rfmd2948(dev, SI4126_MAIN_CONF, - SI4126_MAIN_XINDIV2); - adm8211_rf_write_syn_rfmd2948(dev, SI4126_POWERDOWN, - SI4126_POWERDOWN_PDIB | - SI4126_POWERDOWN_PDRB); - adm8211_rf_write_syn_rfmd2948(dev, SI4126_PHASE_DET_GAIN, 0); - adm8211_rf_write_syn_rfmd2948(dev, SI4126_RF2_N_DIV, - (chan == 14 ? - 2110 : (2033 + (chan * 5)))); - adm8211_rf_write_syn_rfmd2948(dev, SI4126_IF_N_DIV, 1496); - adm8211_rf_write_syn_rfmd2948(dev, SI4126_RF2_R_DIV, 44); - adm8211_rf_write_syn_rfmd2948(dev, SI4126_IF_R_DIV, 44); - break; - - case ADM8211_MAX2820: - adm8211_rf_write_syn_max2820(dev, 0x3, - (chan == 14 ? 0x054 : (0x7 + (chan * 5)))); - break; - - case ADM8211_AL2210L: - adm8211_rf_write_syn_al2210l(dev, 0x0, - (chan == 14 ? 0x229B4 : (0x22967 + (chan * 5)))); - break; - - default: - wiphy_debug(dev->wiphy, "unsupported transceiver type %d\n", - priv->transceiver_type); - break; - } - - /* write BBP regs */ - if (priv->bbp_type == ADM8211_TYPE_RFMD) { - - /* SMC 2635W specific? adm8211b doesn't use the 2948 though.. */ - /* TODO: remove if SMC 2635W doesn't need this */ - if (priv->transceiver_type == ADM8211_RFMD2948) { - reg = ADM8211_CSR_READ(GPIO); - reg &= 0xfffc0000; - reg |= ADM8211_CSR_GPIO_EN0; - if (chan != 14) - reg |= ADM8211_CSR_GPIO_O0; - ADM8211_CSR_WRITE(GPIO, reg); - } - - if (priv->transceiver_type == ADM8211_RFMD2958) { - /* set PCNT2 */ - adm8211_rf_write_syn_rfmd2958(dev, 0x0B, 0x07100); - /* set PCNT1 P_DESIRED/MID_BIAS */ - reg = le16_to_cpu(priv->eeprom->cr49); - reg >>= 13; - reg <<= 15; - reg |= ant_power << 9; - adm8211_rf_write_syn_rfmd2958(dev, 0x0A, reg); - /* set TXRX TX_GAIN */ - adm8211_rf_write_syn_rfmd2958(dev, 0x09, 0x00050 | - (priv->pdev->revision < ADM8211_REV_CA ? tx_power : 0)); - } else { - reg = ADM8211_CSR_READ(PLCPHD); - reg &= 0xff00ffff; - reg |= tx_power << 18; - ADM8211_CSR_WRITE(PLCPHD, reg); - } - - ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_SELRF | - ADM8211_SYNRF_PE1 | ADM8211_SYNRF_PHYRST); - ADM8211_CSR_READ(SYNRF); - msleep(30); - - /* RF3000 BBP */ - if (priv->transceiver_type != ADM8211_RFMD2958) - adm8211_write_bbp(dev, RF3000_TX_VAR_GAIN__TX_LEN_EXT, - tx_power<<2); - adm8211_write_bbp(dev, RF3000_LOW_GAIN_CALIB, lpf_cutoff); - adm8211_write_bbp(dev, RF3000_HIGH_GAIN_CALIB, lnags_thresh); - adm8211_write_bbp(dev, 0x1c, priv->pdev->revision == ADM8211_REV_BA ? - priv->eeprom->cr28 : 0); - adm8211_write_bbp(dev, 0x1d, priv->eeprom->cr29); - - ADM8211_CSR_WRITE(SYNRF, 0); - - /* Nothing to do for ADMtek BBP */ - } else if (priv->bbp_type != ADM8211_TYPE_ADMTEK) - wiphy_debug(dev->wiphy, "unsupported BBP type %d\n", - priv->bbp_type); - - ADM8211_RESTORE(); - - /* update current channel for adhoc (and maybe AP mode) */ - reg = ADM8211_CSR_READ(CAP0); - reg &= ~0xF; - reg |= chan; - ADM8211_CSR_WRITE(CAP0, reg); - - return 0; -} - -static void adm8211_update_mode(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - - ADM8211_IDLE(); - - priv->soft_rx_crc = 0; - switch (priv->mode) { - case NL80211_IFTYPE_STATION: - priv->nar &= ~(ADM8211_NAR_PR | ADM8211_NAR_EA); - priv->nar |= ADM8211_NAR_ST | ADM8211_NAR_SR; - break; - case NL80211_IFTYPE_ADHOC: - priv->nar &= ~ADM8211_NAR_PR; - priv->nar |= ADM8211_NAR_EA | ADM8211_NAR_ST | ADM8211_NAR_SR; - - /* don't trust the error bits on rev 0x20 and up in adhoc */ - if (priv->pdev->revision >= ADM8211_REV_BA) - priv->soft_rx_crc = 1; - break; - case NL80211_IFTYPE_MONITOR: - priv->nar &= ~(ADM8211_NAR_EA | ADM8211_NAR_ST); - priv->nar |= ADM8211_NAR_PR | ADM8211_NAR_SR; - break; - } - - ADM8211_RESTORE(); -} - -static void adm8211_hw_init_syn(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - - switch (priv->transceiver_type) { - case ADM8211_RFMD2958: - case ADM8211_RFMD2958_RF3000_CONTROL_POWER: - /* comments taken from ADMtek vendor driver */ - - /* Reset RF2958 after power on */ - adm8211_rf_write_syn_rfmd2958(dev, 0x1F, 0x00000); - /* Initialize RF VCO Core Bias to maximum */ - adm8211_rf_write_syn_rfmd2958(dev, 0x0C, 0x3001F); - /* Initialize IF PLL */ - adm8211_rf_write_syn_rfmd2958(dev, 0x01, 0x29C03); - /* Initialize IF PLL Coarse Tuning */ - adm8211_rf_write_syn_rfmd2958(dev, 0x03, 0x1FF6F); - /* Initialize RF PLL */ - adm8211_rf_write_syn_rfmd2958(dev, 0x04, 0x29403); - /* Initialize RF PLL Coarse Tuning */ - adm8211_rf_write_syn_rfmd2958(dev, 0x07, 0x1456F); - /* Initialize TX gain and filter BW (R9) */ - adm8211_rf_write_syn_rfmd2958(dev, 0x09, - (priv->transceiver_type == ADM8211_RFMD2958 ? - 0x10050 : 0x00050)); - /* Initialize CAL register */ - adm8211_rf_write_syn_rfmd2958(dev, 0x08, 0x3FFF8); - break; - - case ADM8211_MAX2820: - adm8211_rf_write_syn_max2820(dev, 0x1, 0x01E); - adm8211_rf_write_syn_max2820(dev, 0x2, 0x001); - adm8211_rf_write_syn_max2820(dev, 0x3, 0x054); - adm8211_rf_write_syn_max2820(dev, 0x4, 0x310); - adm8211_rf_write_syn_max2820(dev, 0x5, 0x000); - break; - - case ADM8211_AL2210L: - adm8211_rf_write_syn_al2210l(dev, 0x0, 0x0196C); - adm8211_rf_write_syn_al2210l(dev, 0x1, 0x007CB); - adm8211_rf_write_syn_al2210l(dev, 0x2, 0x3582F); - adm8211_rf_write_syn_al2210l(dev, 0x3, 0x010A9); - adm8211_rf_write_syn_al2210l(dev, 0x4, 0x77280); - adm8211_rf_write_syn_al2210l(dev, 0x5, 0x45641); - adm8211_rf_write_syn_al2210l(dev, 0x6, 0xEA130); - adm8211_rf_write_syn_al2210l(dev, 0x7, 0x80000); - adm8211_rf_write_syn_al2210l(dev, 0x8, 0x7850F); - adm8211_rf_write_syn_al2210l(dev, 0x9, 0xF900C); - adm8211_rf_write_syn_al2210l(dev, 0xA, 0x00000); - adm8211_rf_write_syn_al2210l(dev, 0xB, 0x00000); - break; - - case ADM8211_RFMD2948: - default: - break; - } -} - -static int adm8211_hw_init_bbp(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg; - - /* write addresses */ - if (priv->bbp_type == ADM8211_TYPE_INTERSIL) { - ADM8211_CSR_WRITE(MMIWA, 0x100E0C0A); - ADM8211_CSR_WRITE(MMIRD0, 0x00007C7E); - ADM8211_CSR_WRITE(MMIRD1, 0x00100000); - } else if (priv->bbp_type == ADM8211_TYPE_RFMD || - priv->bbp_type == ADM8211_TYPE_ADMTEK) { - /* check specific BBP type */ - switch (priv->specific_bbptype) { - case ADM8211_BBP_RFMD3000: - case ADM8211_BBP_RFMD3002: - ADM8211_CSR_WRITE(MMIWA, 0x00009101); - ADM8211_CSR_WRITE(MMIRD0, 0x00000301); - break; - - case ADM8211_BBP_ADM8011: - ADM8211_CSR_WRITE(MMIWA, 0x00008903); - ADM8211_CSR_WRITE(MMIRD0, 0x00001716); - - reg = ADM8211_CSR_READ(BBPCTL); - reg &= ~ADM8211_BBPCTL_TYPE; - reg |= 0x5 << 18; - ADM8211_CSR_WRITE(BBPCTL, reg); - break; - } - - switch (priv->pdev->revision) { - case ADM8211_REV_CA: - if (priv->transceiver_type == ADM8211_RFMD2958 || - priv->transceiver_type == ADM8211_RFMD2958_RF3000_CONTROL_POWER || - priv->transceiver_type == ADM8211_RFMD2948) - ADM8211_CSR_WRITE(SYNCTL, 0x1 << 22); - else if (priv->transceiver_type == ADM8211_MAX2820 || - priv->transceiver_type == ADM8211_AL2210L) - ADM8211_CSR_WRITE(SYNCTL, 0x3 << 22); - break; - - case ADM8211_REV_BA: - reg = ADM8211_CSR_READ(MMIRD1); - reg &= 0x0000FFFF; - reg |= 0x7e100000; - ADM8211_CSR_WRITE(MMIRD1, reg); - break; - - case ADM8211_REV_AB: - case ADM8211_REV_AF: - default: - ADM8211_CSR_WRITE(MMIRD1, 0x7e100000); - break; - } - - /* For RFMD */ - ADM8211_CSR_WRITE(MACTEST, 0x800); - } - - adm8211_hw_init_syn(dev); - - /* Set RF Power control IF pin to PE1+PHYRST# */ - ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_SELRF | - ADM8211_SYNRF_PE1 | ADM8211_SYNRF_PHYRST); - ADM8211_CSR_READ(SYNRF); - msleep(20); - - /* write BBP regs */ - if (priv->bbp_type == ADM8211_TYPE_RFMD) { - /* RF3000 BBP */ - /* another set: - * 11: c8 - * 14: 14 - * 15: 50 (chan 1..13; chan 14: d0) - * 1c: 00 - * 1d: 84 - */ - adm8211_write_bbp(dev, RF3000_CCA_CTRL, 0x80); - /* antenna selection: diversity */ - adm8211_write_bbp(dev, RF3000_DIVERSITY__RSSI, 0x80); - adm8211_write_bbp(dev, RF3000_TX_VAR_GAIN__TX_LEN_EXT, 0x74); - adm8211_write_bbp(dev, RF3000_LOW_GAIN_CALIB, 0x38); - adm8211_write_bbp(dev, RF3000_HIGH_GAIN_CALIB, 0x40); - - if (priv->eeprom->major_version < 2) { - adm8211_write_bbp(dev, 0x1c, 0x00); - adm8211_write_bbp(dev, 0x1d, 0x80); - } else { - if (priv->pdev->revision == ADM8211_REV_BA) - adm8211_write_bbp(dev, 0x1c, priv->eeprom->cr28); - else - adm8211_write_bbp(dev, 0x1c, 0x00); - - adm8211_write_bbp(dev, 0x1d, priv->eeprom->cr29); - } - } else if (priv->bbp_type == ADM8211_TYPE_ADMTEK) { - /* reset baseband */ - adm8211_write_bbp(dev, 0x00, 0xFF); - /* antenna selection: diversity */ - adm8211_write_bbp(dev, 0x07, 0x0A); - - /* TODO: find documentation for this */ - switch (priv->transceiver_type) { - case ADM8211_RFMD2958: - case ADM8211_RFMD2958_RF3000_CONTROL_POWER: - adm8211_write_bbp(dev, 0x00, 0x00); - adm8211_write_bbp(dev, 0x01, 0x00); - adm8211_write_bbp(dev, 0x02, 0x00); - adm8211_write_bbp(dev, 0x03, 0x00); - adm8211_write_bbp(dev, 0x06, 0x0f); - adm8211_write_bbp(dev, 0x09, 0x00); - adm8211_write_bbp(dev, 0x0a, 0x00); - adm8211_write_bbp(dev, 0x0b, 0x00); - adm8211_write_bbp(dev, 0x0c, 0x00); - adm8211_write_bbp(dev, 0x0f, 0xAA); - adm8211_write_bbp(dev, 0x10, 0x8c); - adm8211_write_bbp(dev, 0x11, 0x43); - adm8211_write_bbp(dev, 0x18, 0x40); - adm8211_write_bbp(dev, 0x20, 0x23); - adm8211_write_bbp(dev, 0x21, 0x02); - adm8211_write_bbp(dev, 0x22, 0x28); - adm8211_write_bbp(dev, 0x23, 0x30); - adm8211_write_bbp(dev, 0x24, 0x2d); - adm8211_write_bbp(dev, 0x28, 0x35); - adm8211_write_bbp(dev, 0x2a, 0x8c); - adm8211_write_bbp(dev, 0x2b, 0x81); - adm8211_write_bbp(dev, 0x2c, 0x44); - adm8211_write_bbp(dev, 0x2d, 0x0A); - adm8211_write_bbp(dev, 0x29, 0x40); - adm8211_write_bbp(dev, 0x60, 0x08); - adm8211_write_bbp(dev, 0x64, 0x01); - break; - - case ADM8211_MAX2820: - adm8211_write_bbp(dev, 0x00, 0x00); - adm8211_write_bbp(dev, 0x01, 0x00); - adm8211_write_bbp(dev, 0x02, 0x00); - adm8211_write_bbp(dev, 0x03, 0x00); - adm8211_write_bbp(dev, 0x06, 0x0f); - adm8211_write_bbp(dev, 0x09, 0x05); - adm8211_write_bbp(dev, 0x0a, 0x02); - adm8211_write_bbp(dev, 0x0b, 0x00); - adm8211_write_bbp(dev, 0x0c, 0x0f); - adm8211_write_bbp(dev, 0x0f, 0x55); - adm8211_write_bbp(dev, 0x10, 0x8d); - adm8211_write_bbp(dev, 0x11, 0x43); - adm8211_write_bbp(dev, 0x18, 0x4a); - adm8211_write_bbp(dev, 0x20, 0x20); - adm8211_write_bbp(dev, 0x21, 0x02); - adm8211_write_bbp(dev, 0x22, 0x23); - adm8211_write_bbp(dev, 0x23, 0x30); - adm8211_write_bbp(dev, 0x24, 0x2d); - adm8211_write_bbp(dev, 0x2a, 0x8c); - adm8211_write_bbp(dev, 0x2b, 0x81); - adm8211_write_bbp(dev, 0x2c, 0x44); - adm8211_write_bbp(dev, 0x29, 0x4a); - adm8211_write_bbp(dev, 0x60, 0x2b); - adm8211_write_bbp(dev, 0x64, 0x01); - break; - - case ADM8211_AL2210L: - adm8211_write_bbp(dev, 0x00, 0x00); - adm8211_write_bbp(dev, 0x01, 0x00); - adm8211_write_bbp(dev, 0x02, 0x00); - adm8211_write_bbp(dev, 0x03, 0x00); - adm8211_write_bbp(dev, 0x06, 0x0f); - adm8211_write_bbp(dev, 0x07, 0x05); - adm8211_write_bbp(dev, 0x08, 0x03); - adm8211_write_bbp(dev, 0x09, 0x00); - adm8211_write_bbp(dev, 0x0a, 0x00); - adm8211_write_bbp(dev, 0x0b, 0x00); - adm8211_write_bbp(dev, 0x0c, 0x10); - adm8211_write_bbp(dev, 0x0f, 0x55); - adm8211_write_bbp(dev, 0x10, 0x8d); - adm8211_write_bbp(dev, 0x11, 0x43); - adm8211_write_bbp(dev, 0x18, 0x4a); - adm8211_write_bbp(dev, 0x20, 0x20); - adm8211_write_bbp(dev, 0x21, 0x02); - adm8211_write_bbp(dev, 0x22, 0x23); - adm8211_write_bbp(dev, 0x23, 0x30); - adm8211_write_bbp(dev, 0x24, 0x2d); - adm8211_write_bbp(dev, 0x2a, 0xaa); - adm8211_write_bbp(dev, 0x2b, 0x81); - adm8211_write_bbp(dev, 0x2c, 0x44); - adm8211_write_bbp(dev, 0x29, 0xfa); - adm8211_write_bbp(dev, 0x60, 0x2d); - adm8211_write_bbp(dev, 0x64, 0x01); - break; - - case ADM8211_RFMD2948: - break; - - default: - wiphy_debug(dev->wiphy, "unsupported transceiver %d\n", - priv->transceiver_type); - break; - } - } else - wiphy_debug(dev->wiphy, "unsupported BBP %d\n", priv->bbp_type); - - ADM8211_CSR_WRITE(SYNRF, 0); - - /* Set RF CAL control source to MAC control */ - reg = ADM8211_CSR_READ(SYNCTL); - reg |= ADM8211_SYNCTL_SELCAL; - ADM8211_CSR_WRITE(SYNCTL, reg); - - return 0; -} - -/* configures hw beacons/probe responses */ -static int adm8211_set_rate(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg; - int i = 0; - u8 rate_buf[12] = {0}; - - /* write supported rates */ - if (priv->pdev->revision != ADM8211_REV_BA) { - rate_buf[0] = ARRAY_SIZE(adm8211_rates); - for (i = 0; i < ARRAY_SIZE(adm8211_rates); i++) - rate_buf[i + 1] = (adm8211_rates[i].bitrate / 5) | 0x80; - } else { - /* workaround for rev BA specific bug */ - rate_buf[0] = 0x04; - rate_buf[1] = 0x82; - rate_buf[2] = 0x04; - rate_buf[3] = 0x0b; - rate_buf[4] = 0x16; - } - - adm8211_write_sram_bytes(dev, ADM8211_SRAM_SUPP_RATE, rate_buf, - ARRAY_SIZE(adm8211_rates) + 1); - - reg = ADM8211_CSR_READ(PLCPHD) & 0x00FFFFFF; /* keep bits 0-23 */ - reg |= 1 << 15; /* short preamble */ - reg |= 110 << 24; - ADM8211_CSR_WRITE(PLCPHD, reg); - - /* MTMLT = 512 TU (max TX MSDU lifetime) - * BCNTSIG = plcp_signal (beacon, probe resp, and atim TX rate) - * SRTYLIM = 224 (short retry limit, TX header value is default) */ - ADM8211_CSR_WRITE(TXLMT, (512 << 16) | (110 << 8) | (224 << 0)); - - return 0; -} - -static void adm8211_hw_init(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg; - u8 cline; - - reg = ADM8211_CSR_READ(PAR); - reg |= ADM8211_PAR_MRLE | ADM8211_PAR_MRME; - reg &= ~(ADM8211_PAR_BAR | ADM8211_PAR_CAL); - - if (!pci_set_mwi(priv->pdev)) { - reg |= 0x1 << 24; - pci_read_config_byte(priv->pdev, PCI_CACHE_LINE_SIZE, &cline); - - switch (cline) { - case 0x8: - reg |= (0x1 << 14); - break; - case 0x10: - reg |= (0x2 << 14); - break; - case 0x20: - reg |= (0x3 << 14); - break; - default: - reg |= (0x0 << 14); - break; - } - } - - ADM8211_CSR_WRITE(PAR, reg); - - reg = ADM8211_CSR_READ(CSR_TEST1); - reg &= ~(0xF << 28); - reg |= (1 << 28) | (1 << 31); - ADM8211_CSR_WRITE(CSR_TEST1, reg); - - /* lose link after 4 lost beacons */ - reg = (0x04 << 21) | ADM8211_WCSR_TSFTWE | ADM8211_WCSR_LSOE; - ADM8211_CSR_WRITE(WCSR, reg); - - /* Disable APM, enable receive FIFO threshold, and set drain receive - * threshold to store-and-forward */ - reg = ADM8211_CSR_READ(CMDR); - reg &= ~(ADM8211_CMDR_APM | ADM8211_CMDR_DRT); - reg |= ADM8211_CMDR_RTE | ADM8211_CMDR_DRT_SF; - ADM8211_CSR_WRITE(CMDR, reg); - - adm8211_set_rate(dev); - - /* 4-bit values: - * PWR1UP = 8 * 2 ms - * PWR0PAPE = 8 us or 5 us - * PWR1PAPE = 1 us or 3 us - * PWR0TRSW = 5 us - * PWR1TRSW = 12 us - * PWR0PE2 = 13 us - * PWR1PE2 = 1 us - * PWR0TXPE = 8 or 6 */ - if (priv->pdev->revision < ADM8211_REV_CA) - ADM8211_CSR_WRITE(TOFS2, 0x8815cd18); - else - ADM8211_CSR_WRITE(TOFS2, 0x8535cd16); - - /* Enable store and forward for transmit */ - priv->nar = ADM8211_NAR_SF | ADM8211_NAR_PB; - ADM8211_CSR_WRITE(NAR, priv->nar); - - /* Reset RF */ - ADM8211_CSR_WRITE(SYNRF, ADM8211_SYNRF_RADIO); - ADM8211_CSR_READ(SYNRF); - msleep(10); - ADM8211_CSR_WRITE(SYNRF, 0); - ADM8211_CSR_READ(SYNRF); - msleep(5); - - /* Set CFP Max Duration to 0x10 TU */ - reg = ADM8211_CSR_READ(CFPP); - reg &= ~(0xffff << 8); - reg |= 0x0010 << 8; - ADM8211_CSR_WRITE(CFPP, reg); - - /* USCNT = 0x16 (number of system clocks, 22 MHz, in 1us - * TUCNT = 0x3ff - Tu counter 1024 us */ - ADM8211_CSR_WRITE(TOFS0, (0x16 << 24) | 0x3ff); - - /* SLOT=20 us, SIFS=110 cycles of 22 MHz (5 us), - * DIFS=50 us, EIFS=100 us */ - if (priv->pdev->revision < ADM8211_REV_CA) - ADM8211_CSR_WRITE(IFST, (20 << 23) | (110 << 15) | - (50 << 9) | 100); - else - ADM8211_CSR_WRITE(IFST, (20 << 23) | (24 << 15) | - (50 << 9) | 100); - - /* PCNT = 1 (MAC idle time awake/sleep, unit S) - * RMRD = 2346 * 8 + 1 us (max RX duration) */ - ADM8211_CSR_WRITE(RMD, (1 << 16) | 18769); - - /* MART=65535 us, MIRT=256 us, TSFTOFST=0 us */ - ADM8211_CSR_WRITE(RSPT, 0xffffff00); - - /* Initialize BBP (and SYN) */ - adm8211_hw_init_bbp(dev); - - /* make sure interrupts are off */ - ADM8211_CSR_WRITE(IER, 0); - - /* ACK interrupts */ - ADM8211_CSR_WRITE(STSR, ADM8211_CSR_READ(STSR)); - - /* Setup WEP (turns it off for now) */ - reg = ADM8211_CSR_READ(MACTEST); - reg &= ~(7 << 20); - ADM8211_CSR_WRITE(MACTEST, reg); - - reg = ADM8211_CSR_READ(WEPCTL); - reg &= ~ADM8211_WEPCTL_WEPENABLE; - reg |= ADM8211_WEPCTL_WEPRXBYP; - ADM8211_CSR_WRITE(WEPCTL, reg); - - /* Clear the missed-packet counter. */ - ADM8211_CSR_READ(LPC); -} - -static int adm8211_hw_reset(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg, tmp; - int timeout = 100; - - /* Power-on issue */ - /* TODO: check if this is necessary */ - ADM8211_CSR_WRITE(FRCTL, 0); - - /* Reset the chip */ - tmp = ADM8211_CSR_READ(PAR); - ADM8211_CSR_WRITE(PAR, ADM8211_PAR_SWR); - - while ((ADM8211_CSR_READ(PAR) & ADM8211_PAR_SWR) && timeout--) - msleep(50); - - if (timeout <= 0) - return -ETIMEDOUT; - - ADM8211_CSR_WRITE(PAR, tmp); - - if (priv->pdev->revision == ADM8211_REV_BA && - (priv->transceiver_type == ADM8211_RFMD2958_RF3000_CONTROL_POWER || - priv->transceiver_type == ADM8211_RFMD2958)) { - reg = ADM8211_CSR_READ(CSR_TEST1); - reg |= (1 << 4) | (1 << 5); - ADM8211_CSR_WRITE(CSR_TEST1, reg); - } else if (priv->pdev->revision == ADM8211_REV_CA) { - reg = ADM8211_CSR_READ(CSR_TEST1); - reg &= ~((1 << 4) | (1 << 5)); - ADM8211_CSR_WRITE(CSR_TEST1, reg); - } - - ADM8211_CSR_WRITE(FRCTL, 0); - - reg = ADM8211_CSR_READ(CSR_TEST0); - reg |= ADM8211_CSR_TEST0_EPRLD; /* EEPROM Recall */ - ADM8211_CSR_WRITE(CSR_TEST0, reg); - - adm8211_clear_sram(dev); - - return 0; -} - -static u64 adm8211_get_tsft(struct ieee80211_hw *dev, - struct ieee80211_vif *vif) -{ - struct adm8211_priv *priv = dev->priv; - u32 tsftl; - u64 tsft; - - tsftl = ADM8211_CSR_READ(TSFTL); - tsft = ADM8211_CSR_READ(TSFTH); - tsft <<= 32; - tsft |= tsftl; - - return tsft; -} - -static void adm8211_set_interval(struct ieee80211_hw *dev, - unsigned short bi, unsigned short li) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg; - - /* BP (beacon interval) = data->beacon_interval - * LI (listen interval) = data->listen_interval (in beacon intervals) */ - reg = (bi << 16) | li; - ADM8211_CSR_WRITE(BPLI, reg); -} - -static void adm8211_set_bssid(struct ieee80211_hw *dev, const u8 *bssid) -{ - struct adm8211_priv *priv = dev->priv; - u32 reg; - - ADM8211_CSR_WRITE(BSSID0, le32_to_cpu(*(__le32 *)bssid)); - reg = ADM8211_CSR_READ(ABDA1); - reg &= 0x0000ffff; - reg |= (bssid[4] << 16) | (bssid[5] << 24); - ADM8211_CSR_WRITE(ABDA1, reg); -} - -static int adm8211_config(struct ieee80211_hw *dev, u32 changed) -{ - struct adm8211_priv *priv = dev->priv; - struct ieee80211_conf *conf = &dev->conf; - int channel = - ieee80211_frequency_to_channel(conf->chandef.chan->center_freq); - - if (channel != priv->channel) { - priv->channel = channel; - adm8211_rf_set_channel(dev, priv->channel); - } - - return 0; -} - -static void adm8211_bss_info_changed(struct ieee80211_hw *dev, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *conf, - u32 changes) -{ - struct adm8211_priv *priv = dev->priv; - - if (!(changes & BSS_CHANGED_BSSID)) - return; - - if (!ether_addr_equal(conf->bssid, priv->bssid)) { - adm8211_set_bssid(dev, conf->bssid); - memcpy(priv->bssid, conf->bssid, ETH_ALEN); - } -} - -static u64 adm8211_prepare_multicast(struct ieee80211_hw *hw, - struct netdev_hw_addr_list *mc_list) -{ - unsigned int bit_nr; - u32 mc_filter[2]; - struct netdev_hw_addr *ha; - - mc_filter[1] = mc_filter[0] = 0; - - netdev_hw_addr_list_for_each(ha, mc_list) { - bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; - - bit_nr &= 0x3F; - mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); - } - - return mc_filter[0] | ((u64)(mc_filter[1]) << 32); -} - -static void adm8211_configure_filter(struct ieee80211_hw *dev, - unsigned int changed_flags, - unsigned int *total_flags, - u64 multicast) -{ - static const u8 bcast[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; - struct adm8211_priv *priv = dev->priv; - unsigned int new_flags; - u32 mc_filter[2]; - - mc_filter[0] = multicast; - mc_filter[1] = multicast >> 32; - - new_flags = 0; - - if (*total_flags & FIF_ALLMULTI || multicast == ~(0ULL)) { - new_flags |= FIF_ALLMULTI; - priv->nar &= ~ADM8211_NAR_PR; - priv->nar |= ADM8211_NAR_MM; - mc_filter[1] = mc_filter[0] = ~0; - } else { - priv->nar &= ~(ADM8211_NAR_MM | ADM8211_NAR_PR); - } - - ADM8211_IDLE_RX(); - - ADM8211_CSR_WRITE(MAR0, mc_filter[0]); - ADM8211_CSR_WRITE(MAR1, mc_filter[1]); - ADM8211_CSR_READ(NAR); - - if (priv->nar & ADM8211_NAR_PR) - ieee80211_hw_set(dev, RX_INCLUDES_FCS); - else - __clear_bit(IEEE80211_HW_RX_INCLUDES_FCS, dev->flags); - - if (*total_flags & FIF_BCN_PRBRESP_PROMISC) - adm8211_set_bssid(dev, bcast); - else - adm8211_set_bssid(dev, priv->bssid); - - ADM8211_RESTORE(); - - *total_flags = new_flags; -} - -static int adm8211_add_interface(struct ieee80211_hw *dev, - struct ieee80211_vif *vif) -{ - struct adm8211_priv *priv = dev->priv; - if (priv->mode != NL80211_IFTYPE_MONITOR) - return -EOPNOTSUPP; - - switch (vif->type) { - case NL80211_IFTYPE_STATION: - priv->mode = vif->type; - break; - default: - return -EOPNOTSUPP; - } - - ADM8211_IDLE(); - - ADM8211_CSR_WRITE(PAR0, le32_to_cpu(*(__le32 *)vif->addr)); - ADM8211_CSR_WRITE(PAR1, le16_to_cpu(*(__le16 *)(vif->addr + 4))); - - adm8211_update_mode(dev); - - ADM8211_RESTORE(); - - return 0; -} - -static void adm8211_remove_interface(struct ieee80211_hw *dev, - struct ieee80211_vif *vif) -{ - struct adm8211_priv *priv = dev->priv; - priv->mode = NL80211_IFTYPE_MONITOR; -} - -static int adm8211_init_rings(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - struct adm8211_desc *desc = NULL; - struct adm8211_rx_ring_info *rx_info; - struct adm8211_tx_ring_info *tx_info; - unsigned int i; - - for (i = 0; i < priv->rx_ring_size; i++) { - desc = &priv->rx_ring[i]; - desc->status = 0; - desc->length = cpu_to_le32(RX_PKT_SIZE); - priv->rx_buffers[i].skb = NULL; - } - /* Mark the end of RX ring; hw returns to base address after this - * descriptor */ - desc->length |= cpu_to_le32(RDES1_CONTROL_RER); - - for (i = 0; i < priv->rx_ring_size; i++) { - desc = &priv->rx_ring[i]; - rx_info = &priv->rx_buffers[i]; - - rx_info->skb = dev_alloc_skb(RX_PKT_SIZE); - if (rx_info->skb == NULL) - break; - rx_info->mapping = pci_map_single(priv->pdev, - skb_tail_pointer(rx_info->skb), - RX_PKT_SIZE, - PCI_DMA_FROMDEVICE); - desc->buffer1 = cpu_to_le32(rx_info->mapping); - desc->status = cpu_to_le32(RDES0_STATUS_OWN | RDES0_STATUS_SQL); - } - - /* Setup TX ring. TX buffers descriptors will be filled in as needed */ - for (i = 0; i < priv->tx_ring_size; i++) { - desc = &priv->tx_ring[i]; - tx_info = &priv->tx_buffers[i]; - - tx_info->skb = NULL; - tx_info->mapping = 0; - desc->status = 0; - } - desc->length = cpu_to_le32(TDES1_CONTROL_TER); - - priv->cur_rx = priv->cur_tx = priv->dirty_tx = 0; - ADM8211_CSR_WRITE(RDB, priv->rx_ring_dma); - ADM8211_CSR_WRITE(TDBD, priv->tx_ring_dma); - - return 0; -} - -static void adm8211_free_rings(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - unsigned int i; - - for (i = 0; i < priv->rx_ring_size; i++) { - if (!priv->rx_buffers[i].skb) - continue; - - pci_unmap_single( - priv->pdev, - priv->rx_buffers[i].mapping, - RX_PKT_SIZE, PCI_DMA_FROMDEVICE); - - dev_kfree_skb(priv->rx_buffers[i].skb); - } - - for (i = 0; i < priv->tx_ring_size; i++) { - if (!priv->tx_buffers[i].skb) - continue; - - pci_unmap_single(priv->pdev, - priv->tx_buffers[i].mapping, - priv->tx_buffers[i].skb->len, - PCI_DMA_TODEVICE); - - dev_kfree_skb(priv->tx_buffers[i].skb); - } -} - -static int adm8211_start(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - int retval; - - /* Power up MAC and RF chips */ - retval = adm8211_hw_reset(dev); - if (retval) { - wiphy_err(dev->wiphy, "hardware reset failed\n"); - goto fail; - } - - retval = adm8211_init_rings(dev); - if (retval) { - wiphy_err(dev->wiphy, "failed to initialize rings\n"); - goto fail; - } - - /* Init hardware */ - adm8211_hw_init(dev); - adm8211_rf_set_channel(dev, priv->channel); - - retval = request_irq(priv->pdev->irq, adm8211_interrupt, - IRQF_SHARED, "adm8211", dev); - if (retval) { - wiphy_err(dev->wiphy, "failed to register IRQ handler\n"); - goto fail; - } - - ADM8211_CSR_WRITE(IER, ADM8211_IER_NIE | ADM8211_IER_AIE | - ADM8211_IER_RCIE | ADM8211_IER_TCIE | - ADM8211_IER_TDUIE | ADM8211_IER_GPTIE); - priv->mode = NL80211_IFTYPE_MONITOR; - adm8211_update_mode(dev); - ADM8211_CSR_WRITE(RDR, 0); - - adm8211_set_interval(dev, 100, 10); - return 0; - -fail: - return retval; -} - -static void adm8211_stop(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - - priv->mode = NL80211_IFTYPE_UNSPECIFIED; - priv->nar = 0; - ADM8211_CSR_WRITE(NAR, 0); - ADM8211_CSR_WRITE(IER, 0); - ADM8211_CSR_READ(NAR); - - free_irq(priv->pdev->irq, dev); - - adm8211_free_rings(dev); -} - -static void adm8211_calc_durations(int *dur, int *plcp, size_t payload_len, int len, - int plcp_signal, int short_preamble) -{ - /* Alternative calculation from NetBSD: */ - -/* IEEE 802.11b durations for DSSS PHY in microseconds */ -#define IEEE80211_DUR_DS_LONG_PREAMBLE 144 -#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 -#define IEEE80211_DUR_DS_FAST_PLCPHDR 24 -#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 -#define IEEE80211_DUR_DS_SLOW_ACK 112 -#define IEEE80211_DUR_DS_FAST_ACK 56 -#define IEEE80211_DUR_DS_SLOW_CTS 112 -#define IEEE80211_DUR_DS_FAST_CTS 56 -#define IEEE80211_DUR_DS_SLOT 20 -#define IEEE80211_DUR_DS_SIFS 10 - - int remainder; - - *dur = (80 * (24 + payload_len) + plcp_signal - 1) - / plcp_signal; - - if (plcp_signal <= PLCP_SIGNAL_2M) - /* 1-2Mbps WLAN: send ACK/CTS at 1Mbps */ - *dur += 3 * (IEEE80211_DUR_DS_SIFS + - IEEE80211_DUR_DS_SHORT_PREAMBLE + - IEEE80211_DUR_DS_FAST_PLCPHDR) + - IEEE80211_DUR_DS_SLOW_CTS + IEEE80211_DUR_DS_SLOW_ACK; - else - /* 5-11Mbps WLAN: send ACK/CTS at 2Mbps */ - *dur += 3 * (IEEE80211_DUR_DS_SIFS + - IEEE80211_DUR_DS_SHORT_PREAMBLE + - IEEE80211_DUR_DS_FAST_PLCPHDR) + - IEEE80211_DUR_DS_FAST_CTS + IEEE80211_DUR_DS_FAST_ACK; - - /* lengthen duration if long preamble */ - if (!short_preamble) - *dur += 3 * (IEEE80211_DUR_DS_LONG_PREAMBLE - - IEEE80211_DUR_DS_SHORT_PREAMBLE) + - 3 * (IEEE80211_DUR_DS_SLOW_PLCPHDR - - IEEE80211_DUR_DS_FAST_PLCPHDR); - - - *plcp = (80 * len) / plcp_signal; - remainder = (80 * len) % plcp_signal; - if (plcp_signal == PLCP_SIGNAL_11M && - remainder <= 30 && remainder > 0) - *plcp = (*plcp | 0x8000) + 1; - else if (remainder) - (*plcp)++; -} - -/* Transmit skb w/adm8211_tx_hdr (802.11 header created by hardware) */ -static void adm8211_tx_raw(struct ieee80211_hw *dev, struct sk_buff *skb, - u16 plcp_signal, - size_t hdrlen) -{ - struct adm8211_priv *priv = dev->priv; - unsigned long flags; - dma_addr_t mapping; - unsigned int entry; - u32 flag; - - mapping = pci_map_single(priv->pdev, skb->data, skb->len, - PCI_DMA_TODEVICE); - - spin_lock_irqsave(&priv->lock, flags); - - if (priv->cur_tx - priv->dirty_tx == priv->tx_ring_size / 2) - flag = TDES1_CONTROL_IC | TDES1_CONTROL_LS | TDES1_CONTROL_FS; - else - flag = TDES1_CONTROL_LS | TDES1_CONTROL_FS; - - if (priv->cur_tx - priv->dirty_tx == priv->tx_ring_size - 2) - ieee80211_stop_queue(dev, 0); - - entry = priv->cur_tx % priv->tx_ring_size; - - priv->tx_buffers[entry].skb = skb; - priv->tx_buffers[entry].mapping = mapping; - priv->tx_buffers[entry].hdrlen = hdrlen; - priv->tx_ring[entry].buffer1 = cpu_to_le32(mapping); - - if (entry == priv->tx_ring_size - 1) - flag |= TDES1_CONTROL_TER; - priv->tx_ring[entry].length = cpu_to_le32(flag | skb->len); - - /* Set TX rate (SIGNAL field in PLCP PPDU format) */ - flag = TDES0_CONTROL_OWN | (plcp_signal << 20) | 8 /* ? */; - priv->tx_ring[entry].status = cpu_to_le32(flag); - - priv->cur_tx++; - - spin_unlock_irqrestore(&priv->lock, flags); - - /* Trigger transmit poll */ - ADM8211_CSR_WRITE(TDR, 0); -} - -/* Put adm8211_tx_hdr on skb and transmit */ -static void adm8211_tx(struct ieee80211_hw *dev, - struct ieee80211_tx_control *control, - struct sk_buff *skb) -{ - struct adm8211_tx_hdr *txhdr; - size_t payload_len, hdrlen; - int plcp, dur, len, plcp_signal, short_preamble; - struct ieee80211_hdr *hdr; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_rate *txrate = ieee80211_get_tx_rate(dev, info); - u8 rc_flags; - - rc_flags = info->control.rates[0].flags; - short_preamble = !!(rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE); - plcp_signal = txrate->bitrate; - - hdr = (struct ieee80211_hdr *)skb->data; - hdrlen = ieee80211_hdrlen(hdr->frame_control); - memcpy(skb->cb, skb->data, hdrlen); - hdr = (struct ieee80211_hdr *)skb->cb; - skb_pull(skb, hdrlen); - payload_len = skb->len; - - txhdr = (struct adm8211_tx_hdr *) skb_push(skb, sizeof(*txhdr)); - memset(txhdr, 0, sizeof(*txhdr)); - memcpy(txhdr->da, ieee80211_get_DA(hdr), ETH_ALEN); - txhdr->signal = plcp_signal; - txhdr->frame_body_size = cpu_to_le16(payload_len); - txhdr->frame_control = hdr->frame_control; - - len = hdrlen + payload_len + FCS_LEN; - - txhdr->frag = cpu_to_le16(0x0FFF); - adm8211_calc_durations(&dur, &plcp, payload_len, - len, plcp_signal, short_preamble); - txhdr->plcp_frag_head_len = cpu_to_le16(plcp); - txhdr->plcp_frag_tail_len = cpu_to_le16(plcp); - txhdr->dur_frag_head = cpu_to_le16(dur); - txhdr->dur_frag_tail = cpu_to_le16(dur); - - txhdr->header_control = cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_EXTEND_HEADER); - - if (short_preamble) - txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_SHORT_PREAMBLE); - - if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) - txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_RTS); - - txhdr->retry_limit = info->control.rates[0].count; - - adm8211_tx_raw(dev, skb, plcp_signal, hdrlen); -} - -static int adm8211_alloc_rings(struct ieee80211_hw *dev) -{ - struct adm8211_priv *priv = dev->priv; - unsigned int ring_size; - - priv->rx_buffers = kmalloc(sizeof(*priv->rx_buffers) * priv->rx_ring_size + - sizeof(*priv->tx_buffers) * priv->tx_ring_size, GFP_KERNEL); - if (!priv->rx_buffers) - return -ENOMEM; - - priv->tx_buffers = (void *)priv->rx_buffers + - sizeof(*priv->rx_buffers) * priv->rx_ring_size; - - /* Allocate TX/RX descriptors */ - ring_size = sizeof(struct adm8211_desc) * priv->rx_ring_size + - sizeof(struct adm8211_desc) * priv->tx_ring_size; - priv->rx_ring = pci_alloc_consistent(priv->pdev, ring_size, - &priv->rx_ring_dma); - - if (!priv->rx_ring) { - kfree(priv->rx_buffers); - priv->rx_buffers = NULL; - priv->tx_buffers = NULL; - return -ENOMEM; - } - - priv->tx_ring = priv->rx_ring + priv->rx_ring_size; - priv->tx_ring_dma = priv->rx_ring_dma + - sizeof(struct adm8211_desc) * priv->rx_ring_size; - - return 0; -} - -static const struct ieee80211_ops adm8211_ops = { - .tx = adm8211_tx, - .start = adm8211_start, - .stop = adm8211_stop, - .add_interface = adm8211_add_interface, - .remove_interface = adm8211_remove_interface, - .config = adm8211_config, - .bss_info_changed = adm8211_bss_info_changed, - .prepare_multicast = adm8211_prepare_multicast, - .configure_filter = adm8211_configure_filter, - .get_stats = adm8211_get_stats, - .get_tsf = adm8211_get_tsft -}; - -static int adm8211_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - struct ieee80211_hw *dev; - struct adm8211_priv *priv; - unsigned long mem_addr, mem_len; - unsigned int io_addr, io_len; - int err; - u32 reg; - u8 perm_addr[ETH_ALEN]; - - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR "%s (adm8211): Cannot enable new PCI device\n", - pci_name(pdev)); - return err; - } - - io_addr = pci_resource_start(pdev, 0); - io_len = pci_resource_len(pdev, 0); - mem_addr = pci_resource_start(pdev, 1); - mem_len = pci_resource_len(pdev, 1); - if (io_len < 256 || mem_len < 1024) { - printk(KERN_ERR "%s (adm8211): Too short PCI resources\n", - pci_name(pdev)); - goto err_disable_pdev; - } - - - /* check signature */ - pci_read_config_dword(pdev, 0x80 /* CR32 */, ®); - if (reg != ADM8211_SIG1 && reg != ADM8211_SIG2) { - printk(KERN_ERR "%s (adm8211): Invalid signature (0x%x)\n", - pci_name(pdev), reg); - goto err_disable_pdev; - } - - err = pci_request_regions(pdev, "adm8211"); - if (err) { - printk(KERN_ERR "%s (adm8211): Cannot obtain PCI resources\n", - pci_name(pdev)); - return err; /* someone else grabbed it? don't disable it */ - } - - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) || - pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { - printk(KERN_ERR "%s (adm8211): No suitable DMA available\n", - pci_name(pdev)); - goto err_free_reg; - } - - pci_set_master(pdev); - - dev = ieee80211_alloc_hw(sizeof(*priv), &adm8211_ops); - if (!dev) { - printk(KERN_ERR "%s (adm8211): ieee80211 alloc failed\n", - pci_name(pdev)); - err = -ENOMEM; - goto err_free_reg; - } - priv = dev->priv; - priv->pdev = pdev; - - spin_lock_init(&priv->lock); - - SET_IEEE80211_DEV(dev, &pdev->dev); - - pci_set_drvdata(pdev, dev); - - priv->map = pci_iomap(pdev, 1, mem_len); - if (!priv->map) - priv->map = pci_iomap(pdev, 0, io_len); - - if (!priv->map) { - printk(KERN_ERR "%s (adm8211): Cannot map device memory\n", - pci_name(pdev)); - err = -ENOMEM; - goto err_free_dev; - } - - priv->rx_ring_size = rx_ring_size; - priv->tx_ring_size = tx_ring_size; - - if (adm8211_alloc_rings(dev)) { - printk(KERN_ERR "%s (adm8211): Cannot allocate TX/RX ring\n", - pci_name(pdev)); - goto err_iounmap; - } - - *(__le32 *)perm_addr = cpu_to_le32(ADM8211_CSR_READ(PAR0)); - *(__le16 *)&perm_addr[4] = - cpu_to_le16(ADM8211_CSR_READ(PAR1) & 0xFFFF); - - if (!is_valid_ether_addr(perm_addr)) { - printk(KERN_WARNING "%s (adm8211): Invalid hwaddr in EEPROM!\n", - pci_name(pdev)); - eth_random_addr(perm_addr); - } - SET_IEEE80211_PERM_ADDR(dev, perm_addr); - - dev->extra_tx_headroom = sizeof(struct adm8211_tx_hdr); - /* dev->flags = RX_INCLUDES_FCS in promisc mode */ - ieee80211_hw_set(dev, SIGNAL_UNSPEC); - dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); - - dev->max_signal = 100; /* FIXME: find better value */ - - dev->queues = 1; /* ADM8211C supports more, maybe ADM8211B too */ - - priv->retry_limit = 3; - priv->ant_power = 0x40; - priv->tx_power = 0x40; - priv->lpf_cutoff = 0xFF; - priv->lnags_threshold = 0xFF; - priv->mode = NL80211_IFTYPE_UNSPECIFIED; - - /* Power-on issue. EEPROM won't read correctly without */ - if (pdev->revision >= ADM8211_REV_BA) { - ADM8211_CSR_WRITE(FRCTL, 0); - ADM8211_CSR_READ(FRCTL); - ADM8211_CSR_WRITE(FRCTL, 1); - ADM8211_CSR_READ(FRCTL); - msleep(100); - } - - err = adm8211_read_eeprom(dev); - if (err) { - printk(KERN_ERR "%s (adm8211): Can't alloc eeprom buffer\n", - pci_name(pdev)); - goto err_free_desc; - } - - priv->channel = 1; - - dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; - - err = ieee80211_register_hw(dev); - if (err) { - printk(KERN_ERR "%s (adm8211): Cannot register device\n", - pci_name(pdev)); - goto err_free_eeprom; - } - - wiphy_info(dev->wiphy, "hwaddr %pM, Rev 0x%02x\n", - dev->wiphy->perm_addr, pdev->revision); - - return 0; - - err_free_eeprom: - kfree(priv->eeprom); - - err_free_desc: - pci_free_consistent(pdev, - sizeof(struct adm8211_desc) * priv->rx_ring_size + - sizeof(struct adm8211_desc) * priv->tx_ring_size, - priv->rx_ring, priv->rx_ring_dma); - kfree(priv->rx_buffers); - - err_iounmap: - pci_iounmap(pdev, priv->map); - - err_free_dev: - ieee80211_free_hw(dev); - - err_free_reg: - pci_release_regions(pdev); - - err_disable_pdev: - pci_disable_device(pdev); - return err; -} - - -static void adm8211_remove(struct pci_dev *pdev) -{ - struct ieee80211_hw *dev = pci_get_drvdata(pdev); - struct adm8211_priv *priv; - - if (!dev) - return; - - ieee80211_unregister_hw(dev); - - priv = dev->priv; - - pci_free_consistent(pdev, - sizeof(struct adm8211_desc) * priv->rx_ring_size + - sizeof(struct adm8211_desc) * priv->tx_ring_size, - priv->rx_ring, priv->rx_ring_dma); - - kfree(priv->rx_buffers); - kfree(priv->eeprom); - pci_iounmap(pdev, priv->map); - pci_release_regions(pdev); - pci_disable_device(pdev); - ieee80211_free_hw(dev); -} - - -#ifdef CONFIG_PM -static int adm8211_suspend(struct pci_dev *pdev, pm_message_t state) -{ - pci_save_state(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - return 0; -} - -static int adm8211_resume(struct pci_dev *pdev) -{ - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - return 0; -} -#endif /* CONFIG_PM */ - - -MODULE_DEVICE_TABLE(pci, adm8211_pci_id_table); - -/* TODO: implement enable_wake */ -static struct pci_driver adm8211_driver = { - .name = "adm8211", - .id_table = adm8211_pci_id_table, - .probe = adm8211_probe, - .remove = adm8211_remove, -#ifdef CONFIG_PM - .suspend = adm8211_suspend, - .resume = adm8211_resume, -#endif /* CONFIG_PM */ -}; - -module_pci_driver(adm8211_driver); |