--- /dev/null
+
+/*
+ * 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/init.h>
+#include <linux/if.h>
+#include <linux/skbuff.h>
+#include <linux/etherdevice.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/crc32.h>
+#include <linux/eeprom_93cx6.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 char version[] = KERN_INFO "adm8211: "
+"Copyright 2003, Jouni Malinen <j@w1.fi>; "
+"Copyright 2004-2007, Michael Wu <flamingice@sourmilk.net>\n";
+
+
+static struct pci_device_id adm8211_pci_id_table[] __devinitdata = {
+ /* 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 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 __force *)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->revid < 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->revid < 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);
+
+ priv->modes[0].num_channels = chan_range.max - chan_range.min + 1;
+ priv->modes[0].channels = priv->channels;
+
+ memcpy(priv->channels, adm8211_channels, sizeof(adm8211_channels));
+
+ for (i = 1; i <= ARRAY_SIZE(adm8211_channels); i++)
+ if (i >= chan_range.min && i <= chan_range.max)
+ priv->channels[i - 1].flag =
+ IEEE80211_CHAN_W_SCAN |
+ IEEE80211_CHAN_W_ACTIVE_SCAN |
+ IEEE80211_CHAN_W_IBSS;
+
+ 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->revid < 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->revid == ADM8211_REV_BA)
+ priv->transceiver_type = ADM8211_RFMD2958_RF3000_CONTROL_POWER;
+ else if (priv->revid == ADM8211_REV_CA)
+ priv->transceiver_type = ADM8211_AL2210L;
+ else if (priv->revid == 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->revid < 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->revid < 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_set_rx_mode(struct ieee80211_hw *dev,
+ unsigned short flags, int mc_count)
+{
+ struct adm8211_priv *priv = dev->priv;
+ unsigned int bit_nr;
+ u32 mc_filter[2];
+ struct dev_mc_list *mclist;
+ void *tmp;
+
+ if (flags & IFF_PROMISC) {
+ priv->nar |= ADM8211_NAR_PR;
+ priv->nar &= ~ADM8211_NAR_MM;
+ mc_filter[1] = mc_filter[0] = ~0;
+ } else if ((flags & IFF_ALLMULTI) || (mc_count > -1)) {
+ 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);
+ mc_filter[1] = mc_filter[0] = 0;
+ mclist = NULL;
+ while ((mclist = ieee80211_get_mc_list_item(dev, mclist, &tmp))) {
+ bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
+
+ bit_nr &= 0x3F;
+ mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
+ }
+ }
+
+ ADM8211_IDLE_RX();
+
+ ADM8211_CSR_WRITE(MAR0, mc_filter[0]);
+ ADM8211_CSR_WRITE(MAR1, mc_filter[1]);
+ ADM8211_CSR_READ(NAR);
+
+ if (flags & IFF_PROMISC)
+ dev->flags |= IEEE80211_HW_RX_INCLUDES_FCS;
+ else
+ dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;
+
+ ADM8211_RESTORE();
+}
+
+static int adm8211_get_tx_stats(struct ieee80211_hw *dev,
+ struct ieee80211_tx_queue_stats *stats)
+{
+ struct adm8211_priv *priv = dev->priv;
+ struct ieee80211_tx_queue_stats_data *data = &stats->data[0];
+
+ data->len = priv->cur_tx - priv->dirty_tx;
+ data->limit = priv->tx_ring_size - 2;
+ data->count = priv->dirty_tx;
+
+ 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 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;
+
+ /* TODO: check TDES0_STATUS_TUF and TDES0_STATUS_TRO */
+
+ pci_unmap_single(priv->pdev, info->mapping,
+ info->skb->len, PCI_DMA_TODEVICE);
+
+ if (info->tx_control.flags & IEEE80211_TXCTL_REQ_TX_STATUS) {
+ struct ieee80211_tx_status tx_status = {{0}};
+ struct ieee80211_hdr *hdr;
+ size_t hdrlen = info->hdrlen;
+
+ skb_pull(skb, sizeof(struct adm8211_tx_hdr));
+ hdr = (struct ieee80211_hdr *)skb_push(skb, hdrlen);
+ memcpy(hdr, skb->cb, hdrlen);
+ memcpy(&tx_status.control, &info->tx_control,
+ sizeof(tx_status.control));
+ if (!(status & TDES0_STATUS_ES))
+ tx_status.flags |= IEEE80211_TX_STATUS_ACK;
+ ieee80211_tx_status_irqsafe(dev, skb, &tx_status);
+ } else
+ dev_kfree_skb_irq(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;
+ static const u8 rate_tbl[] = {10, 20, 55, 110, 220};
+ 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())
+ printk(KERN_DEBUG "%s: frame too long (%d)\n",
+ wiphy_name(dev->wiphy), 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->revid < ADM8211_REV_CA)
+ rx_status.ssi = rssi;
+ else
+ rx_status.ssi = 100 - rssi;
+
+ if (rate <= 4)
+ rx_status.rate = rate_tbl[rate];
+
+ rx_status.channel = priv->channel;
+ rx_status.freq = adm8211_channels[priv->channel - 1].freq;
+ rx_status.phymode = MODE_IEEE80211B;
+
+ ieee80211_rx_irqsafe(dev, skb, &rx_status);
+ }
+
+ 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)) \
+ printk(KERN_DEBUG "%s: " #x "\n", wiphy_name(dev->wiphy)); \
+} while (0)
+
+ struct ieee80211_hw *dev = dev_id;
+ struct adm8211_priv *priv = dev->priv;
+ unsigned int count = 0;
+ u32 stsr;
+
+ do {
+ stsr = ADM8211_CSR_READ(STSR);
+ ADM8211_CSR_WRITE(STSR, stsr);
+ if (stsr == 0xffffffff)
+ return IRQ_HANDLED;
+
+ if (!(stsr & (ADM8211_STSR_NISS | ADM8211_STSR_AISS)))
+ break;
+
+ if (stsr & ADM8211_STSR_RCI)
+ adm8211_interrupt_rci(dev);
+ if (stsr & ADM8211_STSR_TCI)
+ adm8211_interrupt_tci(dev);
+
+ /*ADM8211_INT(LinkOn);*/
+ /*ADM8211_INT(LinkOff);*/
+
+ 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(TBTT);*/
+ ADM8211_INT(TEIS);
+ ADM8211_INT(FBE);
+ ADM8211_INT(REIS);
+ ADM8211_INT(GPTT);
+ ADM8211_INT(RPS);
+ ADM8211_INT(RDU);
+ ADM8211_INT(TUF);
+ /*ADM8211_INT(TRT);*/
+ /*ADM8211_INT(TLT);*/
+ /*ADM8211_INT(TDU);*/
+ ADM8211_INT(TPS);
+
+ } while (count++ < 20);
+
+ return IRQ_RETVAL(count);
+
+#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) {
+ printk(KERN_DEBUG "%s: adm8211_write_bbp(%d,%d) failed"
+ " prewrite (reg=0x%08x)\n",
+ wiphy_name(dev->wiphy), 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);
+ printk(KERN_DEBUG "%s: adm8211_write_bbp(%d,%d) failed"
+ " postwrite (reg=0x%08x)\n",
+ wiphy_name(dev->wiphy), 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:
+ printk(KERN_DEBUG "%s: unsupported transceiver type %d\n",
+ wiphy_name(dev->wiphy), 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->revid < 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->revid == 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)
+ printk(KERN_DEBUG "%s: unsupported BBP type %d\n",
+ wiphy_name(dev->wiphy), 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 IEEE80211_IF_TYPE_STA:
+ priv->nar &= ~(ADM8211_NAR_PR | ADM8211_NAR_EA);
+ priv->nar |= ADM8211_NAR_ST | ADM8211_NAR_SR;
+ break;
+ case IEEE80211_IF_TYPE_IBSS:
+ 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->revid >= ADM8211_REV_BA)
+ priv->soft_rx_crc = 1;
+ break;
+ case IEEE80211_IF_TYPE_MNTR:
+ 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->revid) {
+ 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->revid == 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:
+ printk(KERN_DEBUG "%s: unsupported transceiver %d\n",
+ wiphy_name(dev->wiphy), priv->transceiver_type);
+ break;
+ }
+ } else
+ printk(KERN_DEBUG "%s: unsupported BBP %d\n",
+ wiphy_name(dev->wiphy), 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->revid != 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].rate / 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 = le32_to_cpu(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 0x16: reg |= (0x2 << 14);
+ break;
+ case 0x32: 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->revid < 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->revid < 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);
+
+ if (!priv->mac_addr)
+ return;
+
+ /* set mac address */
+ ADM8211_CSR_WRITE(PAR0, *(u32 *)priv->mac_addr);
+ ADM8211_CSR_WRITE(PAR1, *(u16 *)&priv->mac_addr[4]);
+}
+
+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->revid == 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->revid == 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 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, u8 *bssid)
+{
+ struct adm8211_priv *priv = dev->priv;
+ u32 reg;
+
+ reg = bssid[0] | (bssid[1] << 8) | (bssid[2] << 16) | (bssid[3] << 24);
+ ADM8211_CSR_WRITE(BSSID0, reg);
+ reg = ADM8211_CSR_READ(ABDA1);
+ reg &= 0x0000ffff;
+ reg |= (bssid[4] << 16) | (bssid[5] << 24);
+ ADM8211_CSR_WRITE(ABDA1, reg);
+}
+
+static int adm8211_set_ssid(struct ieee80211_hw *dev, u8 *ssid, size_t ssid_len)
+{
+ struct adm8211_priv *priv = dev->priv;
+ u8 buf[36];
+
+ if (ssid_len > 32)
+ return -EINVAL;
+
+ memset(buf, 0, sizeof(buf));
+ buf[0] = ssid_len;
+ memcpy(buf + 1, ssid, ssid_len);
+ adm8211_write_sram_bytes(dev, ADM8211_SRAM_SSID, buf, 33);
+ /* TODO: configure beacon for adhoc? */
+ return 0;
+}
+
+static int adm8211_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
+{
+ struct adm8211_priv *priv = dev->priv;
+
+ if (conf->channel != priv->channel) {
+ priv->channel = conf->channel;
+ adm8211_rf_set_channel(dev, priv->channel);
+ }
+
+ return 0;
+}
+
+static int adm8211_config_interface(struct ieee80211_hw *dev, int if_id,
+ struct ieee80211_if_conf *conf)
+{
+ struct adm8211_priv *priv = dev->priv;
+
+ if (memcmp(conf->bssid, priv->bssid, ETH_ALEN)) {
+ adm8211_set_bssid(dev, conf->bssid);
+ memcpy(priv->bssid, conf->bssid, ETH_ALEN);
+ }
+
+ if (conf->ssid_len != priv->ssid_len ||
+ memcmp(conf->ssid, priv->ssid, conf->ssid_len)) {
+ adm8211_set_ssid(dev, conf->ssid, conf->ssid_len);
+ priv->ssid_len = conf->ssid_len;
+ memcpy(priv->ssid, conf->ssid, conf->ssid_len);
+ }
+
+ return 0;
+}
+
+static int adm8211_add_interface(struct ieee80211_hw *dev,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct adm8211_priv *priv = dev->priv;
+ /* NOTE: using IEEE80211_IF_TYPE_MGMT to indicate no mode selected */
+ if (priv->mode != IEEE80211_IF_TYPE_MGMT)
+ return -1;
+
+ switch (conf->type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_MNTR:
+ priv->mode = conf->type;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ priv->mac_addr = conf->mac_addr;
+
+ return 0;
+}
+
+static void adm8211_remove_interface(struct ieee80211_hw *dev,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct adm8211_priv *priv = dev->priv;
+ priv->mode = IEEE80211_IF_TYPE_MGMT;
+}
+
+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_open(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) {
+ printk(KERN_ERR "%s: hardware reset failed\n",
+ wiphy_name(dev->wiphy));
+ goto fail;
+ }
+
+ retval = adm8211_init_rings(dev);
+ if (retval) {
+ printk(KERN_ERR "%s: failed to initialize rings\n",
+ wiphy_name(dev->wiphy));
+ 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) {
+ printk(KERN_ERR "%s: failed to register IRQ handler\n",
+ wiphy_name(dev->wiphy));
+ goto fail;
+ }
+
+ ADM8211_CSR_WRITE(IER, ADM8211_IER_NIE | ADM8211_IER_AIE |
+ ADM8211_IER_RCIE | ADM8211_IER_TCIE |
+ ADM8211_IER_TDUIE | ADM8211_IER_GPTIE);
+ adm8211_update_mode(dev);
+ ADM8211_CSR_WRITE(RDR, 0);
+
+ adm8211_set_interval(dev, 100, 10);
+ return 0;
+
+fail:
+ return retval;
+}
+
+static int adm8211_stop(struct ieee80211_hw *dev)
+{
+ struct adm8211_priv *priv = dev->priv;
+
+ 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);
+ return 0;
+}
+
+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,
+ struct ieee80211_tx_control *control,
+ 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;
+ memcpy(&priv->tx_buffers[entry].tx_control, control, sizeof(*control));
+ 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 int adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct adm8211_tx_hdr *txhdr;
+ u16 fc;
+ size_t payload_len, hdrlen;
+ int plcp, dur, len, plcp_signal, short_preamble;
+ struct ieee80211_hdr *hdr;
+
+ if (control->tx_rate < 0) {
+ short_preamble = 1;
+ plcp_signal = -control->tx_rate;
+ } else {
+ short_preamble = 0;
+ plcp_signal = control->tx_rate;
+ }
+
+ hdr = (struct ieee80211_hdr *)skb->data;
+ fc = le16_to_cpu(hdr->frame_control) & ~IEEE80211_FCTL_PROTECTED;
+ hdrlen = ieee80211_get_hdrlen(fc);
+ 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;
+ if (fc & IEEE80211_FCTL_PROTECTED)
+ len += 8;
+
+ 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 (control->flags & IEEE80211_TXCTL_USE_RTS_CTS)
+ txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_RTS);
+
+ if (fc & IEEE80211_FCTL_PROTECTED)
+ txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_WEP_ENGINE);
+
+ txhdr->retry_limit = control->retry_limit;
+
+ adm8211_tx_raw(dev, skb, plcp_signal, control, hdrlen);
+
+ return NETDEV_TX_OK;
+}
+
+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 = (struct adm8211_desc *)(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,
+ .open = adm8211_open,
+ .stop = adm8211_stop,
+ .add_interface = adm8211_add_interface,
+ .remove_interface = adm8211_remove_interface,
+ .config = adm8211_config,
+ .config_interface = adm8211_config_interface,
+ .set_multicast_list = adm8211_set_rx_mode,
+ .get_stats = adm8211_get_stats,
+ .get_tx_stats = adm8211_get_tx_stats,
+ .get_tsf = adm8211_get_tsft
+};
+
+static int __devinit 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];
+
+#ifndef MODULE
+ static unsigned int cardidx;
+ if (!cardidx++)
+ printk(version);
+#endif
+
+ 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_32BIT_MASK) ||
+ pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
+ 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));
+ 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;
+ }
+
+ pci_read_config_byte(pdev, PCI_CLASS_REVISION, &priv->revid);
+
+ *(u32 *)perm_addr = le32_to_cpu((__force __le32)ADM8211_CSR_READ(PAR0));
+ *(u16 *)&perm_addr[4] =
+ le16_to_cpu((__force __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));
+ random_ether_addr(perm_addr);
+ }
+ SET_IEEE80211_PERM_ADDR(dev, perm_addr);
+
+ dev->extra_tx_headroom = sizeof(struct adm8211_tx_hdr);
+ dev->flags = IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED;
+ /* IEEE80211_HW_RX_INCLUDES_FCS in promisc mode */
+
+ dev->channel_change_time = 1000;
+ dev->max_rssi = 100; /* FIXME: find better value */
+
+ priv->modes[0].mode = MODE_IEEE80211B;
+ /* channel info filled in by adm8211_read_eeprom */
+ memcpy(priv->rates, adm8211_rates, sizeof(adm8211_rates));
+ priv->modes[0].num_rates = ARRAY_SIZE(adm8211_rates);
+ priv->modes[0].rates = priv->rates;
+
+ 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 = IEEE80211_IF_TYPE_MGMT;
+
+ /* Power-on issue. EEPROM won't read correctly without */
+ if (priv->revid >= 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 = priv->modes[0].channels[0].chan;
+
+ err = ieee80211_register_hwmode(dev, &priv->modes[0]);
+ if (err) {
+ printk(KERN_ERR "%s (adm8211): Can't register hwmode\n",
+ pci_name(pdev));
+ goto err_free_desc;
+ }
+
+ err = ieee80211_register_hw(dev);
+ if (err) {
+ printk(KERN_ERR "%s (adm8211): Cannot register device\n",
+ pci_name(pdev));
+ goto err_free_desc;
+ }
+
+ printk(KERN_INFO "%s: hwaddr " MAC_FMT ", Rev 0x%02x\n",
+ wiphy_name(dev->wiphy), MAC_ARG(dev->wiphy->perm_addr),
+ priv->revid);
+
+ return 0;
+
+ 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:
+ pci_set_drvdata(pdev, NULL);
+ ieee80211_free_hw(dev);
+
+ err_free_reg:
+ pci_release_regions(pdev);
+
+ err_disable_pdev:
+ pci_disable_device(pdev);
+ return err;
+}
+
+
+static void __devexit 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)
+{
+ struct ieee80211_hw *dev = pci_get_drvdata(pdev);
+ struct adm8211_priv *priv = dev->priv;
+
+ if (priv->mode != IEEE80211_IF_TYPE_MGMT) {
+ ieee80211_stop_queues(dev);
+ adm8211_stop(dev);
+ }
+
+ pci_save_state(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ return 0;
+}
+
+static int adm8211_resume(struct pci_dev *pdev)
+{
+ struct ieee80211_hw *dev = pci_get_drvdata(pdev);
+ struct adm8211_priv *priv = dev->priv;
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+
+ if (priv->mode != IEEE80211_IF_TYPE_MGMT) {
+ adm8211_open(dev);
+ ieee80211_start_queues(dev);
+ }
+
+ 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 = __devexit_p(adm8211_remove),
+#ifdef CONFIG_PM
+ .suspend = adm8211_suspend,
+ .resume = adm8211_resume,
+#endif /* CONFIG_PM */
+};
+
+
+
+static int __init adm8211_init(void)
+{
+#ifdef MODULE
+ printk(version);
+#endif
+
+ return pci_register_driver(&adm8211_driver);
+}
+
+
+static void __exit adm8211_exit(void)
+{
+ pci_unregister_driver(&adm8211_driver);
+}
+
+
+module_init(adm8211_init);
+module_exit(adm8211_exit);
--- /dev/null
+#ifndef ADM8211_H
+#define ADM8211_H
+
+/* ADM8211 Registers */
+
+/* CR32 (SIG) signature */
+#define ADM8211_SIG1 0x82011317 /* ADM8211A */
+#define ADM8211_SIG2 0x82111317 /* ADM8211B/ADM8211C */
+
+#define ADM8211_CSR_READ(r) ioread32(&priv->map->r)
+#define ADM8211_CSR_WRITE(r, val) iowrite32((val), &priv->map->r)
+
+/* CSR (Host Control and Status Registers) */
+struct adm8211_csr {
+ __le32 PAR; /* 0x00 CSR0 */
+ __le32 FRCTL; /* 0x04 CSR0A */
+ __le32 TDR; /* 0x08 CSR1 */
+ __le32 WTDP; /* 0x0C CSR1A */
+ __le32 RDR; /* 0x10 CSR2 */
+ __le32 WRDP; /* 0x14 CSR2A */
+ __le32 RDB; /* 0x18 CSR3 */
+ __le32 TDBH; /* 0x1C CSR3A */
+ __le32 TDBD; /* 0x20 CSR4 */
+ __le32 TDBP; /* 0x24 CSR4A */
+ __le32 STSR; /* 0x28 CSR5 */
+ __le32 TDBB; /* 0x2C CSR5A */
+ __le32 NAR; /* 0x30 CSR6 */
+ __le32 CSR6A; /* reserved */
+ __le32 IER; /* 0x38 CSR7 */
+ __le32 TKIPSCEP; /* 0x3C CSR7A */
+ __le32 LPC; /* 0x40 CSR8 */
+ __le32 CSR_TEST1; /* 0x44 CSR8A */
+ __le32 SPR; /* 0x48 CSR9 */
+ __le32 CSR_TEST0; /* 0x4C CSR9A */
+ __le32 WCSR; /* 0x50 CSR10 */
+ __le32 WPDR; /* 0x54 CSR10A */
+ __le32 GPTMR; /* 0x58 CSR11 */
+ __le32 GPIO; /* 0x5C CSR11A */
+ __le32 BBPCTL; /* 0x60 CSR12 */
+ __le32 SYNCTL; /* 0x64 CSR12A */
+ __le32 PLCPHD; /* 0x68 CSR13 */
+ __le32 MMIWA; /* 0x6C CSR13A */
+ __le32 MMIRD0; /* 0x70 CSR14 */
+ __le32 MMIRD1; /* 0x74 CSR14A */
+ __le32 TXBR; /* 0x78 CSR15 */
+ __le32 SYNDATA; /* 0x7C CSR15A */
+ __le32 ALCS; /* 0x80 CSR16 */
+ __le32 TOFS2; /* 0x84 CSR17 */
+ __le32 CMDR; /* 0x88 CSR18 */
+ __le32 PCIC; /* 0x8C CSR19 */
+ __le32 PMCSR; /* 0x90 CSR20 */
+ __le32 PAR0; /* 0x94 CSR21 */
+ __le32 PAR1; /* 0x98 CSR22 */
+ __le32 MAR0; /* 0x9C CSR23 */
+ __le32 MAR1; /* 0xA0 CSR24 */
+ __le32 ATIMDA0; /* 0xA4 CSR25 */
+ __le32 ABDA1; /* 0xA8 CSR26 */
+ __le32 BSSID0; /* 0xAC CSR27 */
+ __le32 TXLMT; /* 0xB0 CSR28 */
+ __le32 MIBCNT; /* 0xB4 CSR29 */
+ __le32 BCNT; /* 0xB8 CSR30 */
+ __le32 TSFTH; /* 0xBC CSR31 */
+ __le32 TSC; /* 0xC0 CSR32 */
+ __le32 SYNRF; /* 0xC4 CSR33 */
+ __le32 BPLI; /* 0xC8 CSR34 */
+ __le32 CAP0; /* 0xCC CSR35 */
+ __le32 CAP1; /* 0xD0 CSR36 */
+ __le32 RMD; /* 0xD4 CSR37 */
+ __le32 CFPP; /* 0xD8 CSR38 */
+ __le32 TOFS0; /* 0xDC CSR39 */
+ __le32 TOFS1; /* 0xE0 CSR40 */
+ __le32 IFST; /* 0xE4 CSR41 */
+ __le32 RSPT; /* 0xE8 CSR42 */
+ __le32 TSFTL; /* 0xEC CSR43 */
+ __le32 WEPCTL; /* 0xF0 CSR44 */
+ __le32 WESK; /* 0xF4 CSR45 */
+ __le32 WEPCNT; /* 0xF8 CSR46 */
+ __le32 MACTEST; /* 0xFC CSR47 */
+ __le32 FER; /* 0x100 */
+ __le32 FEMR; /* 0x104 */
+ __le32 FPSR; /* 0x108 */
+ __le32 FFER; /* 0x10C */
+} __attribute__ ((packed));
+
+/* CSR0 - PAR (PCI Address Register) */
+#define ADM8211_PAR_MWIE (1 << 24)
+#define ADM8211_PAR_MRLE (1 << 23)
+#define ADM8211_PAR_MRME (1 << 21)
+#define ADM8211_PAR_RAP ((1 << 18) | (1 << 17))
+#define ADM8211_PAR_CAL ((1 << 15) | (1 << 14))
+#define ADM8211_PAR_PBL 0x00003f00
+#define ADM8211_PAR_BLE (1 << 7)
+#define ADM8211_PAR_DSL 0x0000007c
+#define ADM8211_PAR_BAR (1 << 1)
+#define ADM8211_PAR_SWR (1 << 0)
+
+/* CSR1 - FRCTL (Frame Control Register) */
+#define ADM8211_FRCTL_PWRMGT (1 << 31)
+#define ADM8211_FRCTL_MAXPSP (1 << 27)
+#define ADM8211_FRCTL_DRVPRSP (1 << 26)
+#define ADM8211_FRCTL_DRVBCON (1 << 25)
+#define ADM8211_FRCTL_AID 0x0000ffff
+#define ADM8211_FRCTL_AID_ON 0x0000c000
+
+/* CSR5 - STSR (Status Register) */
+#define ADM8211_STSR_PCF (1 << 31)
+#define ADM8211_STSR_BCNTC (1 << 30)
+#define ADM8211_STSR_GPINT (1 << 29)
+#define ADM8211_STSR_LinkOff (1 << 28)
+#define ADM8211_STSR_ATIMTC (1 << 27)
+#define ADM8211_STSR_TSFTF (1 << 26)
+#define ADM8211_STSR_TSCZ (1 << 25)
+#define ADM8211_STSR_LinkOn (1 << 24)
+#define ADM8211_STSR_SQL (1 << 23)
+#define ADM8211_STSR_WEPTD (1 << 22)
+#define ADM8211_STSR_ATIME (1 << 21)
+#define ADM8211_STSR_TBTT (1 << 20)
+#define ADM8211_STSR_NISS (1 << 16)
+#define ADM8211_STSR_AISS (1 << 15)
+#define ADM8211_STSR_TEIS (1 << 14)
+#define ADM8211_STSR_FBE (1 << 13)
+#define ADM8211_STSR_REIS (1 << 12)
+#define ADM8211_STSR_GPTT (1 << 11)
+#define ADM8211_STSR_RPS (1 << 8)
+#define ADM8211_STSR_RDU (1 << 7)
+#define ADM8211_STSR_RCI (1 << 6)
+#define ADM8211_STSR_TUF (1 << 5)
+#define ADM8211_STSR_TRT (1 << 4)
+#define ADM8211_STSR_TLT (1 << 3)
+#define ADM8211_STSR_TDU (1 << 2)
+#define ADM8211_STSR_TPS (1 << 1)
+#define ADM8211_STSR_TCI (1 << 0)
+
+/* CSR6 - NAR (Network Access Register) */
+#define ADM8211_NAR_TXCF (1 << 31)
+#define ADM8211_NAR_HF (1 << 30)
+#define ADM8211_NAR_UTR (1 << 29)
+#define ADM8211_NAR_SQ (1 << 28)
+#define ADM8211_NAR_CFP (1 << 27)
+#define ADM8211_NAR_SF (1 << 21)
+#define ADM8211_NAR_TR ((1 << 15) | (1 << 14))
+#define ADM8211_NAR_ST (1 << 13)
+#define ADM8211_NAR_OM ((1 << 11) | (1 << 10))
+#define ADM8211_NAR_MM (1 << 7)
+#define ADM8211_NAR_PR (1 << 6)
+#define ADM8211_NAR_EA (1 << 5)
+#define ADM8211_NAR_PB (1 << 3)
+#define ADM8211_NAR_STPDMA (1 << 2)
+#define ADM8211_NAR_SR (1 << 1)
+#define ADM8211_NAR_CTX (1 << 0)
+
+#define ADM8211_IDLE() \
+do { \
+ if (priv->nar & (ADM8211_NAR_SR | ADM8211_NAR_ST)) { \
+ ADM8211_CSR_WRITE(NAR, priv->nar & \
+ ~(ADM8211_NAR_SR | ADM8211_NAR_ST));\
+ ADM8211_CSR_READ(NAR); \
+ msleep(20); \
+ } \
+} while (0)
+
+#define ADM8211_IDLE_RX() \
+do { \
+ if (priv->nar & ADM8211_NAR_SR) { \
+ ADM8211_CSR_WRITE(NAR, priv->nar & ~ADM8211_NAR_SR); \
+ ADM8211_CSR_READ(NAR); \
+ mdelay(20); \
+ } \
+} while (0)
+
+#define ADM8211_RESTORE() \
+do { \
+ if (priv->nar & (ADM8211_NAR_SR | ADM8211_NAR_ST)) \
+ ADM8211_CSR_WRITE(NAR, priv->nar); \
+} while (0)
+
+/* CSR7 - IER (Interrupt Enable Register) */
+#define ADM8211_IER_PCFIE (1 << 31)
+#define ADM8211_IER_BCNTCIE (1 << 30)
+#define ADM8211_IER_GPIE (1 << 29)
+#define ADM8211_IER_LinkOffIE (1 << 28)
+#define ADM8211_IER_ATIMTCIE (1 << 27)
+#define ADM8211_IER_TSFTFIE (1 << 26)
+#define ADM8211_IER_TSCZE (1 << 25)
+#define ADM8211_IER_LinkOnIE (1 << 24)
+#define ADM8211_IER_SQLIE (1 << 23)
+#define ADM8211_IER_WEPIE (1 << 22)
+#define ADM8211_IER_ATIMEIE (1 << 21)
+#define ADM8211_IER_TBTTIE (1 << 20)
+#define ADM8211_IER_NIE (1 << 16)
+#define ADM8211_IER_AIE (1 << 15)
+#define ADM8211_IER_TEIE (1 << 14)
+#define ADM8211_IER_FBEIE (1 << 13)
+#define ADM8211_IER_REIE (1 << 12)
+#define ADM8211_IER_GPTIE (1 << 11)
+#define ADM8211_IER_RSIE (1 << 8)
+#define ADM8211_IER_RUIE (1 << 7)
+#define ADM8211_IER_RCIE (1 << 6)
+#define ADM8211_IER_TUIE (1 << 5)
+#define ADM8211_IER_TRTIE (1 << 4)
+#define ADM8211_IER_TLTTIE (1 << 3)
+#define ADM8211_IER_TDUIE (1 << 2)
+#define ADM8211_IER_TPSIE (1 << 1)
+#define ADM8211_IER_TCIE (1 << 0)
+
+/* CSR9 - SPR (Serial Port Register) */
+#define ADM8211_SPR_SRS (1 << 11)
+#define ADM8211_SPR_SDO (1 << 3)
+#define ADM8211_SPR_SDI (1 << 2)
+#define ADM8211_SPR_SCLK (1 << 1)
+#define ADM8211_SPR_SCS (1 << 0)
+
+/* CSR9A - CSR_TEST0 */
+#define ADM8211_CSR_TEST0_EPNE (1 << 18)
+#define ADM8211_CSR_TEST0_EPSNM (1 << 17)
+#define ADM8211_CSR_TEST0_EPTYP (1 << 16)
+#define ADM8211_CSR_TEST0_EPRLD (1 << 15)
+
+/* CSR10 - WCSR (Wake-up Control/Status Register) */
+#define ADM8211_WCSR_CRCT (1 << 30)
+#define ADM8211_WCSR_TSFTWE (1 << 20)
+#define ADM8211_WCSR_TIMWE (1 << 19)
+#define ADM8211_WCSR_ATIMWE (1 << 18)
+#define ADM8211_WCSR_KEYWE (1 << 17)
+#define ADM8211_WCSR_MPRE (1 << 9)
+#define ADM8211_WCSR_LSOE (1 << 8)
+#define ADM8211_WCSR_KEYUP (1 << 6)
+#define ADM8211_WCSR_TSFTW (1 << 5)
+#define ADM8211_WCSR_TIMW (1 << 4)
+#define ADM8211_WCSR_ATIMW (1 << 3)
+#define ADM8211_WCSR_MPR (1 << 1)
+#define ADM8211_WCSR_LSO (1 << 0)
+
+/* CSR11A - GPIO */
+#define ADM8211_CSR_GPIO_EN5 (1 << 17)
+#define ADM8211_CSR_GPIO_EN4 (1 << 16)
+#define ADM8211_CSR_GPIO_EN3 (1 << 15)
+#define ADM8211_CSR_GPIO_EN2 (1 << 14)
+#define ADM8211_CSR_GPIO_EN1 (1 << 13)
+#define ADM8211_CSR_GPIO_EN0 (1 << 12)
+#define ADM8211_CSR_GPIO_O5 (1 << 11)
+#define ADM8211_CSR_GPIO_O4 (1 << 10)
+#define ADM8211_CSR_GPIO_O3 (1 << 9)
+#define ADM8211_CSR_GPIO_O2 (1 << 8)
+#define ADM8211_CSR_GPIO_O1 (1 << 7)
+#define ADM8211_CSR_GPIO_O0 (1 << 6)
+#define ADM8211_CSR_GPIO_IN 0x0000003f
+
+/* CSR12 - BBPCTL (BBP Control port) */
+#define ADM8211_BBPCTL_MMISEL (1 << 31)
+#define ADM8211_BBPCTL_SPICADD (0x7F << 24)
+#define ADM8211_BBPCTL_RF3000 (0x20 << 24)
+#define ADM8211_BBPCTL_TXCE (1 << 23)
+#define ADM8211_BBPCTL_RXCE (1 << 22)
+#define ADM8211_BBPCTL_CCAP (1 << 21)
+#define ADM8211_BBPCTL_TYPE 0x001c0000
+#define ADM8211_BBPCTL_WR (1 << 17)
+#define ADM8211_BBPCTL_RD (1 << 16)
+#define ADM8211_BBPCTL_ADDR 0x0000ff00
+#define ADM8211_BBPCTL_DATA 0x000000ff
+
+/* CSR12A - SYNCTL (Synthesizer Control port) */
+#define ADM8211_SYNCTL_WR (1 << 31)
+#define ADM8211_SYNCTL_RD (1 << 30)
+#define ADM8211_SYNCTL_CS0 (1 << 29)
+#define ADM8211_SYNCTL_CS1 (1 << 28)
+#define ADM8211_SYNCTL_CAL (1 << 27)
+#define ADM8211_SYNCTL_SELCAL (1 << 26)
+#define ADM8211_SYNCTL_RFtype ((1 << 24) || (1 << 23) || (1 << 22))
+#define ADM8211_SYNCTL_RFMD (1 << 22)
+#define ADM8211_SYNCTL_GENERAL (0x7 << 22)
+/* SYNCTL 21:0 Data (Si4126: 18-bit data, 4-bit address) */
+
+/* CSR18 - CMDR (Command Register) */
+#define ADM8211_CMDR_PM (1 << 19)
+#define ADM8211_CMDR_APM (1 << 18)
+#define ADM8211_CMDR_RTE (1 << 4)
+#define ADM8211_CMDR_DRT ((1 << 3) | (1 << 2))
+#define ADM8211_CMDR_DRT_8DW (0x0 << 2)
+#define ADM8211_CMDR_DRT_16DW (0x1 << 2)
+#define ADM8211_CMDR_DRT_SF (0x2 << 2)
+
+/* CSR33 - SYNRF (SYNRF direct control) */
+#define ADM8211_SYNRF_SELSYN (1 << 31)
+#define ADM8211_SYNRF_SELRF (1 << 30)
+#define ADM8211_SYNRF_LERF (1 << 29)
+#define ADM8211_SYNRF_LEIF (1 << 28)
+#define ADM8211_SYNRF_SYNCLK (1 << 27)
+#define ADM8211_SYNRF_SYNDATA (1 << 26)
+#define ADM8211_SYNRF_PE1 (1 << 25)
+#define ADM8211_SYNRF_PE2 (1 << 24)
+#define ADM8211_SYNRF_PA_PE (1 << 23)
+#define ADM8211_SYNRF_TR_SW (1 << 22)
+#define ADM8211_SYNRF_TR_SWN (1 << 21)
+#define ADM8211_SYNRF_RADIO (1 << 20)
+#define ADM8211_SYNRF_CAL_EN (1 << 19)
+#define ADM8211_SYNRF_PHYRST (1 << 18)
+
+#define ADM8211_SYNRF_IF_SELECT_0 (1 << 31)
+#define ADM8211_SYNRF_IF_SELECT_1 ((1 << 31) | (1 << 28))
+#define ADM8211_SYNRF_WRITE_SYNDATA_0 (1 << 31)
+#define ADM8211_SYNRF_WRITE_SYNDATA_1 ((1 << 31) | (1 << 26))
+#define ADM8211_SYNRF_WRITE_CLOCK_0 (1 << 31)
+#define ADM8211_SYNRF_WRITE_CLOCK_1 ((1 << 31) | (1 << 27))
+
+/* CSR44 - WEPCTL (WEP Control) */
+#define ADM8211_WEPCTL_WEPENABLE (1 << 31)
+#define ADM8211_WEPCTL_WPAENABLE (1 << 30)
+#define ADM8211_WEPCTL_CURRENT_TABLE (1 << 29)
+#define ADM8211_WEPCTL_TABLE_WR (1 << 28)
+#define ADM8211_WEPCTL_TABLE_RD (1 << 27)
+#define ADM8211_WEPCTL_WEPRXBYP (1 << 25)
+#define ADM8211_WEPCTL_SEL_WEPTABLE (1 << 23)
+#define ADM8211_WEPCTL_ADDR (0x000001ff)
+
+/* CSR45 - WESK (Data Entry for Share/Individual Key) */
+#define ADM8211_WESK_DATA (0x0000ffff)
+
+/* FER (Function Event Register) */
+#define ADM8211_FER_INTR_EV_ENT (1 << 15)
+
+
+/* Si4126 RF Synthesizer - Control Registers */
+#define SI4126_MAIN_CONF 0
+#define SI4126_PHASE_DET_GAIN 1
+#define SI4126_POWERDOWN 2
+#define SI4126_RF1_N_DIV 3 /* only Si4136 */
+#define SI4126_RF2_N_DIV 4
+#define SI4126_IF_N_DIV 5
+#define SI4126_RF1_R_DIV 6 /* only Si4136 */
+#define SI4126_RF2_R_DIV 7
+#define SI4126_IF_R_DIV 8
+
+/* Main Configuration */
+#define SI4126_MAIN_XINDIV2 (1 << 6)
+#define SI4126_MAIN_IFDIV ((1 << 11) | (1 << 10))
+/* Powerdown */
+#define SI4126_POWERDOWN_PDIB (1 << 1)
+#define SI4126_POWERDOWN_PDRB (1 << 0)
+
+
+/* RF3000 BBP - Control Port Registers */
+/* 0x00 - reserved */
+#define RF3000_MODEM_CTRL__RX_STATUS 0x01
+#define RF3000_CCA_CTRL 0x02
+#define RF3000_DIVERSITY__RSSI 0x03
+#define RF3000_RX_SIGNAL_FIELD 0x04
+#define RF3000_RX_LEN_MSB 0x05
+#define RF3000_RX_LEN_LSB 0x06
+#define RF3000_RX_SERVICE_FIELD 0x07
+#define RF3000_TX_VAR_GAIN__TX_LEN_EXT 0x11
+#define RF3000_TX_LEN_MSB 0x12
+#define RF3000_TX_LEN_LSB 0x13
+#define RF3000_LOW_GAIN_CALIB 0x14
+#define RF3000_HIGH_GAIN_CALIB 0x15
+
+/* ADM8211 revisions */
+#define ADM8211_REV_AB 0x11
+#define ADM8211_REV_AF 0x15
+#define ADM8211_REV_BA 0x20
+#define ADM8211_REV_CA 0x30
+
+struct adm8211_desc {
+ __le32 status;
+ __le32 length;
+ __le32 buffer1;
+ __le32 buffer2;
+};
+
+#define RDES0_STATUS_OWN (1 << 31)
+#define RDES0_STATUS_ES (1 << 30)
+#define RDES0_STATUS_SQL (1 << 29)
+#define RDES0_STATUS_DE (1 << 28)
+#define RDES0_STATUS_FS (1 << 27)
+#define RDES0_STATUS_LS (1 << 26)
+#define RDES0_STATUS_PCF (1 << 25)
+#define RDES0_STATUS_SFDE (1 << 24)
+#define RDES0_STATUS_SIGE (1 << 23)
+#define RDES0_STATUS_CRC16E (1 << 22)
+#define RDES0_STATUS_RXTOE (1 << 21)
+#define RDES0_STATUS_CRC32E (1 << 20)
+#define RDES0_STATUS_ICVE (1 << 19)
+#define RDES0_STATUS_DA1 (1 << 17)
+#define RDES0_STATUS_DA0 (1 << 16)
+#define RDES0_STATUS_RXDR ((1 << 15) | (1 << 14) | (1 << 13) | (1 << 12))
+#define RDES0_STATUS_FL (0x00000fff)
+
+#define RDES1_CONTROL_RER (1 << 25)
+#define RDES1_CONTROL_RCH (1 << 24)
+#define RDES1_CONTROL_RBS2 (0x00fff000)
+#define RDES1_CONTROL_RBS1 (0x00000fff)
+
+#define RDES1_STATUS_RSSI (0x0000007f)
+
+
+#define TDES0_CONTROL_OWN (1 << 31)
+#define TDES0_CONTROL_DONE (1 << 30)
+#define TDES0_CONTROL_TXDR (0x0ff00000)
+
+#define TDES0_STATUS_OWN (1 << 31)
+#define TDES0_STATUS_DONE (1 << 30)
+#define TDES0_STATUS_ES (1 << 29)
+#define TDES0_STATUS_TLT (1 << 28)
+#define TDES0_STATUS_TRT (1 << 27)
+#define TDES0_STATUS_TUF (1 << 26)
+#define TDES0_STATUS_TRO (1 << 25)
+#define TDES0_STATUS_SOFBR (1 << 24)
+#define TDES0_STATUS_ACR (0x00000fff)
+
+#define TDES1_CONTROL_IC (1 << 31)
+#define TDES1_CONTROL_LS (1 << 30)
+#define TDES1_CONTROL_FS (1 << 29)
+#define TDES1_CONTROL_TER (1 << 25)
+#define TDES1_CONTROL_TCH (1 << 24)
+#define TDES1_CONTROL_RBS2 (0x00fff000)
+#define TDES1_CONTROL_RBS1 (0x00000fff)
+
+/* SRAM offsets */
+#define ADM8211_SRAM(x) (priv->revid < ADM8211_REV_BA ? \
+ ADM8211_SRAM_A_ ## x : ADM8211_SRAM_B_ ## x)
+
+#define ADM8211_SRAM_INDIV_KEY 0x0000
+#define ADM8211_SRAM_A_SHARE_KEY 0x0160
+#define ADM8211_SRAM_B_SHARE_KEY 0x00c0
+
+#define ADM8211_SRAM_A_SSID 0x0180
+#define ADM8211_SRAM_B_SSID 0x00d4
+#define ADM8211_SRAM_SSID ADM8211_SRAM(SSID)
+
+#define ADM8211_SRAM_A_SUPP_RATE 0x0191
+#define ADM8211_SRAM_B_SUPP_RATE 0x00dd
+#define ADM8211_SRAM_SUPP_RATE ADM8211_SRAM(SUPP_RATE)
+
+#define ADM8211_SRAM_A_SIZE 0x0200
+#define ADM8211_SRAM_B_SIZE 0x01c0
+#define ADM8211_SRAM_SIZE ADM8211_SRAM(SIZE)
+
+struct adm8211_rx_ring_info {
+ struct sk_buff *skb;
+ dma_addr_t mapping;
+};
+
+struct adm8211_tx_ring_info {
+ struct sk_buff *skb;
+ dma_addr_t mapping;
+ struct ieee80211_tx_control tx_control;
+ size_t hdrlen;
+};
+
+#define PLCP_SIGNAL_1M 0x0a
+#define PLCP_SIGNAL_2M 0x14
+#define PLCP_SIGNAL_5M5 0x37
+#define PLCP_SIGNAL_11M 0x6e
+
+struct adm8211_tx_hdr {
+ u8 da[6];
+ u8 signal; /* PLCP signal / TX rate in 100 Kbps */
+ u8 service;
+ __le16 frame_body_size;
+ __le16 frame_control;
+ __le16 plcp_frag_tail_len;
+ __le16 plcp_frag_head_len;
+ __le16 dur_frag_tail;
+ __le16 dur_frag_head;
+ u8 addr4[6];
+
+#define ADM8211_TXHDRCTL_SHORT_PREAMBLE (1 << 0)
+#define ADM8211_TXHDRCTL_MORE_FRAG (1 << 1)
+#define ADM8211_TXHDRCTL_MORE_DATA (1 << 2)
+#define ADM8211_TXHDRCTL_FRAG_NO (1 << 3) /* ? */
+#define ADM8211_TXHDRCTL_ENABLE_RTS (1 << 4)
+#define ADM8211_TXHDRCTL_ENABLE_WEP_ENGINE (1 << 5)
+#define ADM8211_TXHDRCTL_ENABLE_EXTEND_HEADER (1 << 15) /* ? */
+ __le16 header_control;
+ __le16 frag;
+ u8 reserved_0;
+ u8 retry_limit;
+
+ u32 wep2key0;
+ u32 wep2key1;
+ u32 wep2key2;
+ u32 wep2key3;
+
+ u8 keyid;
+ u8 entry_control; // huh??
+ u16 reserved_1;
+ u32 reserved_2;
+} __attribute__ ((packed));
+
+
+#define RX_COPY_BREAK 128
+#define RX_PKT_SIZE 2500
+
+struct adm8211_eeprom {
+ __le16 signature; /* 0x00 */
+ u8 major_version; /* 0x02 */
+ u8 minor_version; /* 0x03 */
+ u8 reserved_1[4]; /* 0x04 */
+ u8 hwaddr[6]; /* 0x08 */
+ u8 reserved_2[8]; /* 0x1E */
+ __le16 cr49; /* 0x16 */
+ u8 cr03; /* 0x18 */
+ u8 cr28; /* 0x19 */
+ u8 cr29; /* 0x1A */
+ u8 country_code; /* 0x1B */
+
+/* specific bbp types */
+#define ADM8211_BBP_RFMD3000 0x00
+#define ADM8211_BBP_RFMD3002 0x01
+#define ADM8211_BBP_ADM8011 0x04
+ u8 specific_bbptype; /* 0x1C */
+ u8 specific_rftype; /* 0x1D */
+ u8 reserved_3[2]; /* 0x1E */
+ __le16 device_id; /* 0x20 */
+ __le16 vendor_id; /* 0x22 */
+ __le16 subsystem_id; /* 0x24 */
+ __le16 subsystem_vendor_id; /* 0x26 */
+ u8 maxlat; /* 0x28 */
+ u8 mingnt; /* 0x29 */
+ __le16 cis_pointer_low; /* 0x2A */
+ __le16 cis_pointer_high; /* 0x2C */
+ __le16 csr18; /* 0x2E */
+ u8 reserved_4[16]; /* 0x30 */
+ u8 d1_pwrdara; /* 0x40 */
+ u8 d0_pwrdara; /* 0x41 */
+ u8 d3_pwrdara; /* 0x42 */
+ u8 d2_pwrdara; /* 0x43 */
+ u8 antenna_power[14]; /* 0x44 */
+ __le16 cis_wordcnt; /* 0x52 */
+ u8 tx_power[14]; /* 0x54 */
+ u8 lpf_cutoff[14]; /* 0x62 */
+ u8 lnags_threshold[14]; /* 0x70 */
+ __le16 checksum; /* 0x7E */
+ u8 cis_data[0]; /* 0x80, 384 bytes */
+} __attribute__ ((packed));
+
+static const struct ieee80211_rate adm8211_rates[] = {
+ { .rate = 10,
+ .val = 10,
+ .val2 = -10,
+ .flags = IEEE80211_RATE_CCK_2 },
+ { .rate = 20,
+ .val = 20,
+ .val2 = -20,
+ .flags = IEEE80211_RATE_CCK_2 },
+ { .rate = 55,
+ .val = 55,
+ .val2 = -55,
+ .flags = IEEE80211_RATE_CCK_2 },
+ { .rate = 110,
+ .val = 110,
+ .val2 = -110,
+ .flags = IEEE80211_RATE_CCK_2 }
+};
+
+struct ieee80211_chan_range {
+ u8 min;
+ u8 max;
+};
+
+static const struct ieee80211_channel adm8211_channels[] = {
+ { .chan = 1,
+ .freq = 2412},
+ { .chan = 2,
+ .freq = 2417},
+ { .chan = 3,
+ .freq = 2422},
+ { .chan = 4,
+ .freq = 2427},
+ { .chan = 5,
+ .freq = 2432},
+ { .chan = 6,
+ .freq = 2437},
+ { .chan = 7,
+ .freq = 2442},
+ { .chan = 8,
+ .freq = 2447},
+ { .chan = 9,
+ .freq = 2452},
+ { .chan = 10,
+ .freq = 2457},
+ { .chan = 11,
+ .freq = 2462},
+ { .chan = 12,
+ .freq = 2467},
+ { .chan = 13,
+ .freq = 2472},
+ { .chan = 14,
+ .freq = 2484},
+};
+
+struct adm8211_priv {
+ struct pci_dev *pdev;
+ spinlock_t lock;
+ struct adm8211_csr __iomem *map;
+ struct adm8211_desc *rx_ring;
+ struct adm8211_desc *tx_ring;
+ dma_addr_t rx_ring_dma;
+ dma_addr_t tx_ring_dma;
+ struct adm8211_rx_ring_info *rx_buffers;
+ struct adm8211_tx_ring_info *tx_buffers;
+ unsigned int rx_ring_size, tx_ring_size;
+ unsigned int cur_tx, dirty_tx, cur_rx;
+
+ struct ieee80211_low_level_stats stats;
+ struct ieee80211_hw_mode modes[1];
+ struct ieee80211_channel channels[ARRAY_SIZE(adm8211_channels)];
+ struct ieee80211_rate rates[ARRAY_SIZE(adm8211_rates)];
+ int mode;
+
+ int channel;
+ u8 bssid[ETH_ALEN];
+ u8 ssid[32];
+ size_t ssid_len;
+ u8 *mac_addr;
+
+ u8 soft_rx_crc;
+ u8 retry_limit;
+
+ u8 ant_power;
+ u8 tx_power;
+ u8 lpf_cutoff;
+ u8 lnags_threshold;
+ struct adm8211_eeprom *eeprom;
+ size_t eeprom_len;
+
+ u8 revid;
+
+ u32 nar;
+
+#define ADM8211_TYPE_INTERSIL 0x00
+#define ADM8211_TYPE_RFMD 0x01
+#define ADM8211_TYPE_MARVEL 0x02
+#define ADM8211_TYPE_AIROHA 0x03
+#define ADM8211_TYPE_ADMTEK 0x05
+ unsigned int rf_type:3;
+ unsigned int bbp_type:3;
+
+ u8 specific_bbptype;
+ enum {
+ ADM8211_RFMD2948 = 0x0,
+ ADM8211_RFMD2958 = 0x1,
+ ADM8211_RFMD2958_RF3000_CONTROL_POWER = 0x2,
+ ADM8211_MAX2820 = 0x8,
+ ADM8211_AL2210L = 0xC, /* Airoha */
+ } transceiver_type;
+};
+
+static const struct ieee80211_chan_range cranges[] = {
+ {1, 11}, /* FCC */
+ {1, 11}, /* IC */
+ {1, 13}, /* ETSI */
+ {10, 11}, /* SPAIN */
+ {10, 13}, /* FRANCE */
+ {14, 14}, /* MMK */
+ {1, 14}, /* MMK2 */
+};
+
+#endif /* ADM8211_H */
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff