===================================================================
@@ -0,0 +1,1002 @@
+
+/*
+ * Linux device driver for RTL8187SE
+ *
+ * Copyright 2009 Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ * Based on the r8180 driver, which is:
+ * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
+ *
+ * Thanks to Realtek for their support!
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/eeprom_93cx6.h>
+#include <net/mac80211.h>
+
+#include "rtl8187se.h"
+#include "rtl8187se_rtl8225.h"
+
+MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>");
+MODULE_DESCRIPTION("RTL8187SE PCI wireless driver");
+MODULE_LICENSE("GPL");
+
+static struct pci_device_id rtl8187se_table[] __devinitdata = {
+ { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8189) },
+ { }
+};
+
+MODULE_DEVICE_TABLE(pci, rtl8187se_table);
+
+static const struct ieee80211_rate rtl818x_rates[] = {
+ { .bitrate = 10, .hw_value = 0, },
+ { .bitrate = 20, .hw_value = 1, },
+ { .bitrate = 55, .hw_value = 2, },
+ { .bitrate = 110, .hw_value = 3, },
+ { .bitrate = 60, .hw_value = 4, },
+ { .bitrate = 90, .hw_value = 5, },
+ { .bitrate = 120, .hw_value = 6, },
+ { .bitrate = 180, .hw_value = 7, },
+ { .bitrate = 240, .hw_value = 8, },
+ { .bitrate = 360, .hw_value = 9, },
+ { .bitrate = 480, .hw_value = 10, },
+ { .bitrate = 540, .hw_value = 11, },
+};
+
+static const struct ieee80211_channel rtl818x_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 },
+};
+
+void rtl8187se_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ int i = 10;
+ u32 buf;
+
+ buf = (data << 8) | addr;
+
+ rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->PHY[0],
+ buf | 0x80);
+ while (i--) {
+ rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->PHY[0],
+ buf);
+ if (rtl818x_ioread8(priv, &priv->map->PHY[2]) == (data & 0xFF))
+ return;
+ }
+}
+
+static void rtl8187se_handle_rx(struct ieee80211_hw *dev)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ unsigned int count = 32;
+
+ while (count--) {
+ struct rtl8187se_rx_desc *entry = &priv->rx_ring[priv->rx_idx];
+ struct sk_buff *skb = priv->rx_buf[priv->rx_idx];
+ u32 flags = le32_to_cpu(entry->flags);
+
+ if (flags & RTL818X_RX_DESC_FLAG_OWN)
+ return;
+
+ if (unlikely(flags & (RTL818X_RX_DESC_FLAG_DMA_FAIL |
+ RTL818X_RX_DESC_FLAG_FOF |
+ RTL818X_RX_DESC_FLAG_RX_ERR)))
+ goto done;
+ else {
+ u32 flags2 = le32_to_cpu(entry->flags2);
+ struct ieee80211_rx_status rx_status = {0};
+ struct sk_buff *new_skb = dev_alloc_skb(MAX_RX_SIZE);
+
+ if (unlikely(!new_skb))
+ goto done;
+
+ pci_unmap_single(priv->pdev,
+ *((dma_addr_t *)skb->cb),
+ MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+ skb_put(skb, flags & 0xFFF);
+
+ rx_status.antenna = (flags2 >> 15) & 1;
+ /* TODO: improve signal/rssi reporting */
+ rx_status.signal = (flags2 >> 8) & 0x7F;
+ /* XXX: is this correct? */
+ rx_status.rate_idx = (flags >> 20) & 0xF;
+ rx_status.freq = dev->conf.channel->center_freq;
+ rx_status.band = dev->conf.channel->band;
+ rx_status.mactime = le64_to_cpu(entry->tsft);
+ rx_status.flag |= RX_FLAG_TSFT;
+ if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
+ rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
+
+ memcpy(IEEE80211_SKB_RXCB(skb), &rx_status,
+ sizeof(rx_status));
+ ieee80211_rx_irqsafe(dev, skb);
+
+ skb = new_skb;
+ priv->rx_buf[priv->rx_idx] = skb;
+ *((dma_addr_t *) skb->cb) =
+ pci_map_single(priv->pdev, skb_tail_pointer(skb),
+ MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+ }
+done:
+ entry->rx_buf = cpu_to_le32(*((dma_addr_t *)skb->cb));
+ entry->flags = cpu_to_le32(RTL818X_RX_DESC_FLAG_OWN |
+ MAX_RX_SIZE);
+ if (priv->rx_idx == 31)
+ entry->flags |= cpu_to_le32(RTL818X_RX_DESC_FLAG_EOR);
+ priv->rx_idx = (priv->rx_idx + 1) % 32;
+ }
+}
+
+static void rtl8187se_handle_tx(struct ieee80211_hw *dev, unsigned int prio)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ struct rtl8187se_tx_ring *ring = &priv->tx_ring[prio];
+
+ while (skb_queue_len(&ring->queue)) {
+ struct rtl8187se_tx_desc *entry = &ring->desc[ring->idx];
+ struct sk_buff *skb;
+ struct ieee80211_tx_info *info;
+ u32 flags = le32_to_cpu(entry->flags);
+
+ if (flags & RTL818X_TX_DESC_FLAG_OWN)
+ return;
+
+ ring->idx = (ring->idx + 1) % ring->entries;
+ skb = __skb_dequeue(&ring->queue);
+ pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf),
+ skb->len, PCI_DMA_TODEVICE);
+
+ info = IEEE80211_SKB_CB(skb);
+ ieee80211_tx_info_clear_status(info);
+
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
+ (flags & RTL818X_TX_DESC_FLAG_TX_OK))
+ info->flags |= IEEE80211_TX_STAT_ACK;
+
+ info->status.rates[0].count = (flags & 0xFF) + 1;
+
+ ieee80211_tx_status_irqsafe(dev, skb);
+ if (ring->entries - skb_queue_len(&ring->queue) == 2)
+ ieee80211_wake_queue(dev, prio);
+ }
+}
+
+static irqreturn_t rtl8187se_interrupt(int irq, void *dev_id)
+{
+ struct ieee80211_hw *dev = dev_id;
+ struct rtl8187se_priv *priv = dev->priv;
+ u16 reg;
+
+ spin_lock(&priv->lock);
+ reg = rtl818x_ioread16(priv, &priv->map->INT_STATUS);
+ if (unlikely(reg == 0xFFFF)) {
+ spin_unlock(&priv->lock);
+ return IRQ_HANDLED;
+ }
+
+ rtl818x_iowrite16(priv, &priv->map->INT_STATUS, reg);
+
+ if (reg & (RTL818X_INT_TXB_OK | RTL818X_INT_TXB_ERR))
+ rtl8187se_handle_tx(dev, 3);
+
+ if (reg & (RTL818X_INT_TXH_OK | RTL818X_INT_TXH_ERR))
+ rtl8187se_handle_tx(dev, 2);
+
+ if (reg & (RTL818X_INT_TXN_OK | RTL818X_INT_TXN_ERR))
+ rtl8187se_handle_tx(dev, 1);
+
+ if (reg & (RTL818X_INT_TXL_OK | RTL818X_INT_TXL_ERR))
+ rtl8187se_handle_tx(dev, 0);
+
+ if (reg & (RTL818X_INT_RX_OK | RTL818X_INT_RX_ERR))
+ rtl8187se_handle_rx(dev);
+
+ spin_unlock(&priv->lock);
+
+ return IRQ_HANDLED;
+}
+
+static int rtl8187se_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct rtl8187se_priv *priv = dev->priv;
+ struct rtl8187se_tx_ring *ring;
+ struct rtl8187se_tx_desc *entry;
+ unsigned long flags;
+ unsigned int idx, prio;
+ dma_addr_t mapping;
+ u32 tx_flags;
+ u8 rc_flags;
+ u16 plcp_len = 0;
+ __le16 rts_duration = 0;
+
+ prio = skb_get_queue_mapping(skb);
+ ring = &priv->tx_ring[prio];
+
+ mapping = pci_map_single(priv->pdev, skb->data,
+ skb->len, PCI_DMA_TODEVICE);
+
+ tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS |
+ RTL818X_TX_DESC_FLAG_LS |
+ (ieee80211_get_tx_rate(dev, info)->hw_value << 24) |
+ skb->len;
+
+ tx_flags |= RTL818X_TX_DESC_FLAG_DMA |
+ RTL818X_TX_DESC_FLAG_NO_ENC;
+
+ rc_flags = info->control.rates[0].flags;
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
+ tx_flags |= RTL818X_TX_DESC_FLAG_RTS;
+ tx_flags |= ieee80211_get_rts_cts_rate(dev,
+ info)->hw_value << 19;
+ } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+ tx_flags |= RTL818X_TX_DESC_FLAG_CTS;
+ tx_flags |= ieee80211_get_rts_cts_rate(dev,
+ info)->hw_value << 19;
+ }
+
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS)
+ rts_duration = ieee80211_rts_duration(dev, priv->vif, skb->len,
+ info);
+
+ spin_lock_irqsave(&priv->lock, flags);
+ idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
+ entry = &ring->desc[idx];
+
+ entry->rts_duration = rts_duration;
+ entry->plcp_len = cpu_to_le16(plcp_len);
+ entry->tx_buf = cpu_to_le32(mapping);
+ entry->frame_len = cpu_to_le32(skb->len);
+ entry->flags2 = info->control.rates[1].idx >= 0 ?
+ ieee80211_get_alt_retry_rate(dev, info, 0)->bitrate << 4 : 0;
+ entry->retry_limit = info->control.rates[0].count;
+ entry->flags = cpu_to_le32(tx_flags);
+ __skb_queue_tail(&ring->queue, skb);
+ if (ring->entries - skb_queue_len(&ring->queue) < 2)
+ ieee80211_stop_queue(dev, skb_get_queue_mapping(skb));
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING, (1 << (prio + 4)));
+
+ return 0;
+}
+
+void rtl8187se_set_anaparam(struct rtl8187se_priv *priv, u32 anaparam)
+{
+ u8 reg;
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_CONFIG);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+ reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
+ rtl818x_iowrite32(priv, &priv->map->ANAPARAM, anaparam);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+ reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+}
+
+static int rtl8187se_init_hw(struct ieee80211_hw *dev)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ u16 reg;
+
+ rtl818x_iowrite8(priv, &priv->map->CMD, 0);
+ rtl818x_ioread8(priv, &priv->map->CMD);
+ msleep(10);
+
+ /* reset */
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+ rtl818x_ioread8(priv, &priv->map->CMD);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CMD);
+ reg &= (1 << 1);
+ reg |= RTL818X_CMD_RESET;
+ rtl818x_iowrite8(priv, &priv->map->CMD, RTL818X_CMD_RESET);
+ rtl818x_ioread8(priv, &priv->map->CMD);
+ msleep(200);
+
+ /* check success of reset */
+ if (rtl818x_ioread8(priv, &priv->map->CMD) & RTL818X_CMD_RESET) {
+ printk(KERN_ERR "%s: reset timeout!\n", wiphy_name(dev->wiphy));
+ return -ETIMEDOUT;
+ }
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD);
+ rtl818x_ioread8(priv, &priv->map->CMD);
+ msleep(200);
+
+ if (rtl818x_ioread8(priv, &priv->map->CONFIG3) & (1 << 3)) {
+ /* For cardbus */
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+ reg |= 1 << 1;
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+ reg = rtl818x_ioread16(priv, &priv->map->FEMR);
+ reg |= (1 << 15) | (1 << 14) | (1 << 4);
+ rtl818x_iowrite16(priv, &priv->map->FEMR, reg);
+ }
+
+ rtl818x_iowrite8(priv, &priv->map->MSR, 0);
+
+ rtl818x_iowrite32(priv, &priv->map->RDSAR, priv->rx_ring_dma);
+ rtl818x_iowrite32(priv, &priv->map->TBDA, priv->tx_ring[3].dma);
+ rtl818x_iowrite32(priv, &priv->map->THPDA, priv->tx_ring[2].dma);
+ rtl818x_iowrite32(priv, &priv->map->TNPDA, priv->tx_ring[1].dma);
+ rtl818x_iowrite32(priv, &priv->map->TLPDA, priv->tx_ring[0].dma);
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_CONFIG);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG2);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG2, reg & ~(1 << 3));
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG2);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG2, reg | (1 << 4));
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+
+ rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
+
+ rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
+ rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0x81);
+ rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0);
+
+ rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+
+ reg = rtl818x_ioread8(priv, &priv->map->GP_ENABLE);
+ rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, reg & ~(1 << 6));
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_CONFIG);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg | (1 << 2));
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+
+ priv->rf->init(dev);
+ rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+ return 0;
+}
+
+static int rtl8187se_init_rx_ring(struct ieee80211_hw *dev)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ struct rtl8187se_rx_desc *entry;
+ int i;
+
+ priv->rx_ring = pci_alloc_consistent(priv->pdev,
+ sizeof(*priv->rx_ring) * 32,
+ &priv->rx_ring_dma);
+
+ if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
+ printk(KERN_ERR "%s: Cannot allocate RX ring\n",
+ wiphy_name(dev->wiphy));
+ return -ENOMEM;
+ }
+
+ memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * 32);
+ priv->rx_idx = 0;
+
+ for (i = 0; i < 32; i++) {
+ struct sk_buff *skb = dev_alloc_skb(MAX_RX_SIZE);
+ dma_addr_t *mapping;
+ entry = &priv->rx_ring[i];
+ if (!skb)
+ return 0;
+
+ priv->rx_buf[i] = skb;
+ mapping = (dma_addr_t *)skb->cb;
+ *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
+ MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+ entry->rx_buf = cpu_to_le32(*mapping);
+ entry->flags = cpu_to_le32(RTL818X_RX_DESC_FLAG_OWN |
+ MAX_RX_SIZE);
+ }
+ entry->flags |= cpu_to_le32(RTL818X_RX_DESC_FLAG_EOR);
+ return 0;
+}
+
+static void rtl8187se_free_rx_ring(struct ieee80211_hw *dev)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ int i;
+
+ for (i = 0; i < 32; i++) {
+ struct sk_buff *skb = priv->rx_buf[i];
+ if (!skb)
+ continue;
+
+ pci_unmap_single(priv->pdev,
+ *((dma_addr_t *)skb->cb),
+ MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+ kfree_skb(skb);
+ }
+
+ pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * 32,
+ priv->rx_ring, priv->rx_ring_dma);
+ priv->rx_ring = NULL;
+}
+
+static int rtl8187se_init_tx_ring(struct ieee80211_hw *dev,
+ unsigned int prio, unsigned int entries)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ struct rtl8187se_tx_desc *ring;
+ dma_addr_t dma;
+ int i;
+
+ ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
+ if (!ring || (unsigned long)ring & 0xFF) {
+ printk(KERN_ERR "%s: Cannot allocate TX ring (prio = %d)\n",
+ wiphy_name(dev->wiphy), prio);
+ return -ENOMEM;
+ }
+
+ memset(ring, 0, sizeof(*ring)*entries);
+ priv->tx_ring[prio].desc = ring;
+ priv->tx_ring[prio].dma = dma;
+ priv->tx_ring[prio].idx = 0;
+ priv->tx_ring[prio].entries = entries;
+ skb_queue_head_init(&priv->tx_ring[prio].queue);
+
+ for (i = 0; i < entries; i++)
+ ring[i].next_tx_desc =
+ cpu_to_le32((u32)dma + ((i + 1) % entries) *
+ sizeof(*ring));
+
+ return 0;
+}
+
+static void rtl8187se_free_tx_ring(struct ieee80211_hw *dev, unsigned int prio)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ struct rtl8187se_tx_ring *ring = &priv->tx_ring[prio];
+
+ while (skb_queue_len(&ring->queue)) {
+ struct rtl8187se_tx_desc *entry = &ring->desc[ring->idx];
+ struct sk_buff *skb = __skb_dequeue(&ring->queue);
+
+ pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf),
+ skb->len, PCI_DMA_TODEVICE);
+ kfree_skb(skb);
+ ring->idx = (ring->idx + 1) % ring->entries;
+ }
+
+ pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
+ ring->desc, ring->dma);
+ ring->desc = NULL;
+}
+
+static int rtl8187se_start(struct ieee80211_hw *dev)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ int ret, i;
+ u32 reg;
+
+ ret = rtl8187se_init_rx_ring(dev);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < dev->queues; i++) {
+ ret = rtl8187se_init_tx_ring(dev, i, 16);
+ if (ret)
+ goto err_free_rings;
+ }
+ ret = rtl8187se_init_hw(dev);
+ if (ret)
+ goto err_free_rings;
+
+ rtl818x_iowrite32(priv, &priv->map->RDSAR, priv->rx_ring_dma);
+ rtl818x_iowrite32(priv, &priv->map->TBDA, priv->tx_ring[3].dma);
+ rtl818x_iowrite32(priv, &priv->map->THPDA, priv->tx_ring[2].dma);
+ rtl818x_iowrite32(priv, &priv->map->TNPDA, priv->tx_ring[1].dma);
+ rtl818x_iowrite32(priv, &priv->map->TLPDA, priv->tx_ring[0].dma);
+
+ ret = request_irq(priv->pdev->irq, &rtl8187se_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, dev);
+ if (ret) {
+ printk(KERN_ERR "%s: failed to register IRQ handler\n",
+ wiphy_name(dev->wiphy));
+ goto err_free_rings;
+ }
+
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+
+ rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0);
+ rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0);
+
+ reg = RTL818X_RX_CONF_ONLYERLPKT |
+ RTL818X_RX_CONF_RX_AUTORESETPHY |
+ RTL818X_RX_CONF_MGMT |
+ RTL818X_RX_CONF_DATA |
+ RTL818x_RX_CONF_MAXDMA |
+ RTL818X_RX_CONF_BROADCAST |
+ RTL818X_RX_CONF_NICMAC;
+
+ reg |= RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2;
+
+ priv->rx_conf = reg;
+ rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
+ reg &= ~RTL818X_CW_CONF_PERPACKET_CW_SHIFT;
+ reg |= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT;
+ rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg);
+
+ reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL);
+ reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT;
+ reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT;
+ reg |= RTL818X_TX_AGC_CTL_FEEDBACK_ANT;
+ rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
+
+ /* disable early TX */
+ rtl818x_iowrite8(priv, (u8 __iomem *)priv->map + 0xec, 0x3f);
+
+ reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+ reg |= (6 << 21 /* MAX TX DMA */) |
+ RTL818X_TX_CONF_NO_ICV;
+
+ reg &= ~RTL818X_TX_CONF_PROBE_DTS;
+
+ /* different meaning, same value on both rtl8185 and rtl8187se */
+ reg &= ~RTL818X_TX_CONF_SAT_HWPLCP;
+
+ rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CMD);
+ reg |= RTL818X_CMD_RX_ENABLE;
+ reg |= RTL818X_CMD_TX_ENABLE;
+ rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+ priv->mode = NL80211_IFTYPE_MONITOR;
+ return 0;
+
+ err_free_rings:
+ rtl8187se_free_rx_ring(dev);
+ for (i = 0; i < 4; i++)
+ if (priv->tx_ring[i].desc)
+ rtl8187se_free_tx_ring(dev, i);
+
+ return ret;
+}
+
+static void rtl8187se_stop(struct ieee80211_hw *dev)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ u8 reg;
+ int i;
+
+ priv->mode = NL80211_IFTYPE_UNSPECIFIED;
+
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CMD);
+ reg &= ~RTL818X_CMD_TX_ENABLE;
+ reg &= ~RTL818X_CMD_RX_ENABLE;
+ rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+ priv->rf->stop(dev);
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_CONFIG);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG4);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG4, reg |
+ RTL818X_CONFIG4_VCOOFF);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+
+
+ free_irq(priv->pdev->irq, dev);
+
+ rtl8187se_free_rx_ring(dev);
+ for (i = 0; i < 4; i++)
+ rtl8187se_free_tx_ring(dev, i);
+}
+
+static int rtl8187se_add_interface(struct ieee80211_hw *dev,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+
+ if (priv->mode != NL80211_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ switch (conf->type) {
+ case NL80211_IFTYPE_STATION:
+ priv->mode = conf->type;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ priv->vif = conf->vif;
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_CONFIG);
+ rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->MAC[0],
+ le32_to_cpu(*(__le32 *)conf->mac_addr));
+ rtl818x_iowrite16(priv, (__le16 __iomem *)&priv->map->MAC[4],
+ le16_to_cpu(*(__le16 *)(conf->mac_addr + 4)));
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+
+ return 0;
+}
+
+static void rtl8187se_remove_interface(struct ieee80211_hw *dev,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ priv->mode = NL80211_IFTYPE_MONITOR;
+ priv->vif = NULL;
+}
+
+static int rtl8187se_config(struct ieee80211_hw *dev, u32 changed)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ struct ieee80211_conf *conf = &dev->conf;
+
+ priv->rf->set_chan(dev, conf);
+
+ return 0;
+}
+
+static void rtl8187se_bss_info_changed(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+ int i;
+
+ if (changed & BSS_CHANGED_BSSID) {
+ for (i = 0; i < ETH_ALEN; i++)
+ rtl818x_iowrite8(priv, &priv->map->BSSID[i],
+ info->bssid[i]);
+
+ if (is_valid_ether_addr(info->bssid))
+ rtl818x_iowrite8(priv, &priv->map->MSR,
+ RTL818X_MSR_INFRA);
+ else
+ rtl818x_iowrite8(priv, &priv->map->MSR,
+ RTL818X_MSR_NO_LINK);
+ }
+
+ if (changed & BSS_CHANGED_ERP_SLOT && priv->rf->conf_erp)
+ priv->rf->conf_erp(dev, info);
+}
+
+static u64 rtl8187se_prepare_multicast(struct ieee80211_hw *dev, int mc_count,
+ struct dev_addr_list *mc_list)
+{
+ return mc_count;
+}
+
+static void rtl8187se_configure_filter(struct ieee80211_hw *dev,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
+{
+ struct rtl8187se_priv *priv = dev->priv;
+
+ if (changed_flags & FIF_FCSFAIL)
+ priv->rx_conf ^= RTL818X_RX_CONF_FCS;
+ if (changed_flags & FIF_CONTROL)
+ priv->rx_conf ^= RTL818X_RX_CONF_CTRL;
+ if (changed_flags & FIF_OTHER_BSS)
+ priv->rx_conf ^= RTL818X_RX_CONF_MONITOR;
+ if (*total_flags & FIF_ALLMULTI || multicast > 0)
+ priv->rx_conf |= RTL818X_RX_CONF_MULTICAST;
+ else
+ priv->rx_conf &= ~RTL818X_RX_CONF_MULTICAST;
+
+ *total_flags = 0;
+
+ if (priv->rx_conf & RTL818X_RX_CONF_FCS)
+ *total_flags |= FIF_FCSFAIL;
+ if (priv->rx_conf & RTL818X_RX_CONF_CTRL)
+ *total_flags |= FIF_CONTROL;
+ if (priv->rx_conf & RTL818X_RX_CONF_MONITOR)
+ *total_flags |= FIF_OTHER_BSS;
+ if (priv->rx_conf & RTL818X_RX_CONF_MULTICAST)
+ *total_flags |= FIF_ALLMULTI;
+
+ rtl818x_iowrite32(priv, &priv->map->RX_CONF, priv->rx_conf);
+}
+
+static const struct ieee80211_ops rtl8187se_ops = {
+ .tx = rtl8187se_tx,
+ .start = rtl8187se_start,
+ .stop = rtl8187se_stop,
+ .add_interface = rtl8187se_add_interface,
+ .remove_interface = rtl8187se_remove_interface,
+ .config = rtl8187se_config,
+ .bss_info_changed = rtl8187se_bss_info_changed,
+ .prepare_multicast = rtl8187se_prepare_multicast,
+ .configure_filter = rtl8187se_configure_filter,
+};
+
+static void rtl8187se_eeprom_register_read(struct eeprom_93cx6 *eeprom)
+{
+ struct ieee80211_hw *dev = eeprom->data;
+ struct rtl8187se_priv *priv = dev->priv;
+ u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+
+ eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
+ eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ;
+ eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK;
+ eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS;
+}
+
+static void rtl8187se_eeprom_register_write(struct eeprom_93cx6 *eeprom)
+{
+ struct ieee80211_hw *dev = eeprom->data;
+ struct rtl8187se_priv *priv = dev->priv;
+ u8 reg = 2 << 6;
+
+ if (eeprom->reg_data_in)
+ reg |= RTL818X_EEPROM_CMD_WRITE;
+ if (eeprom->reg_data_out)
+ reg |= RTL818X_EEPROM_CMD_READ;
+ if (eeprom->reg_data_clock)
+ reg |= RTL818X_EEPROM_CMD_CK;
+ if (eeprom->reg_chip_select)
+ reg |= RTL818X_EEPROM_CMD_CS;
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, reg);
+ rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+ udelay(10);
+}
+
+static int __devinit rtl8187se_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ struct ieee80211_hw *dev;
+ struct rtl8187se_priv *priv;
+ unsigned long mem_addr, mem_len;
+ unsigned int io_addr, io_len;
+ int err, i;
+ struct eeprom_93cx6 eeprom;
+ const char *chip_name, *rf_name = NULL;
+ u16 eeprom_val;
+ u8 unit;
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ printk(KERN_ERR "%s (rtl8187se): Cannot enable new PCI device\n",
+ pci_name(pdev));
+ return err;
+ }
+
+ err = pci_request_regions(pdev, KBUILD_MODNAME);
+ if (err) {
+ printk(KERN_ERR "%s (rtl8187se): Cannot obtain PCI resources\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 (mem_len < sizeof(struct rtl818x_csr) ||
+ io_len < sizeof(struct rtl818x_csr)) {
+ printk(KERN_ERR "%s (rtl8187se): Too short PCI resources\n",
+ pci_name(pdev));
+ err = -ENOMEM;
+ goto err_free_reg;
+ }
+
+ err = pci_set_dma_mask(pdev, 0xFFFFFF00ULL);
+ if (!err)
+ err = pci_set_consistent_dma_mask(pdev, 0xFFFFFF00ULL);
+ if (err) {
+ printk(KERN_ERR "%s (rtl8187se): No suitable DMA available\n",
+ pci_name(pdev));
+ goto err_free_reg;
+ }
+
+ pci_set_master(pdev);
+
+ dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8187se_ops);
+ if (!dev) {
+ printk(KERN_ERR "%s (rtl8187se): ieee80211 alloc failed\n",
+ pci_name(pdev));
+ err = -ENOMEM;
+ goto err_free_reg;
+ }
+
+ priv = dev->priv;
+ priv->pdev = pdev;
+
+ dev->max_rates = 2;
+ 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 (rtl8187se): Cannot map device memory\n",
+ pci_name(pdev));
+ goto err_free_dev;
+ }
+
+ BUILD_BUG_ON(sizeof(priv->channels) != sizeof(rtl818x_channels));
+ BUILD_BUG_ON(sizeof(priv->rates) != sizeof(rtl818x_rates));
+
+ memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels));
+ memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates));
+
+ priv->band.band = IEEE80211_BAND_2GHZ;
+ priv->band.channels = priv->channels;
+ priv->band.n_channels = ARRAY_SIZE(rtl818x_channels);
+ priv->band.bitrates = priv->rates;
+ priv->band.n_bitrates = 4;
+ dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
+
+ dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_SIGNAL_UNSPEC;
+ dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+ dev->queues = 4;
+ dev->max_signal = 65;
+
+ pci_read_config_byte(pdev, 0x05, &unit);
+ pci_write_config_byte(pdev, 0x05, unit & (~0x04));
+ chip_name = "RTL8187SE";
+
+ eeprom.data = dev;
+ eeprom.register_read = rtl8187se_eeprom_register_read;
+ eeprom.register_write = rtl8187se_eeprom_register_write;
+ if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6))
+ eeprom.width = PCI_EEPROM_WIDTH_93C66;
+ else
+ eeprom.width = PCI_EEPROM_WIDTH_93C46;
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_PROGRAM);
+ rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+ udelay(10);
+
+ rf_name = "RTL8255";
+
+ eeprom_93cx6_read(&eeprom, 0x17, &eeprom_val);
+ priv->csthreshold = eeprom_val >> 8;
+
+ eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)
+ dev->wiphy->perm_addr, 3);
+ if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
+ printk(KERN_WARNING "%s (rtl8187se): Invalid hwaddr! Using"
+ " randomly generated MAC addr\n", pci_name(pdev));
+ random_ether_addr(dev->wiphy->perm_addr);
+ }
+
+ /* CCK TX power */
+ for (i = 0; i < 14; i += 2) {
+ u16 txpwr;
+ eeprom_93cx6_read(&eeprom, 0x10 + (i >> 1), &txpwr);
+ priv->channels[i].hw_value = txpwr & 0xFF;
+ priv->channels[i + 1].hw_value = txpwr >> 8;
+ }
+
+ /* OFDM TX power */
+ for (i = 0; i < 14; i += 2) {
+ u16 txpwr;
+ eeprom_93cx6_read(&eeprom, 0x20 + (i >> 1), &txpwr);
+ priv->channels[i].hw_value |= (txpwr & 0xFF) << 8;
+ priv->channels[i + 1].hw_value |= txpwr & 0xFF00;
+ }
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+
+ spin_lock_init(&priv->lock);
+
+ priv->rf = rtl8187se_detect_rf(dev);
+ err = ieee80211_register_hw(dev);
+ if (err) {
+ printk(KERN_ERR "%s (rtl8187se): Cannot register device\n",
+ pci_name(pdev));
+ goto err_iounmap;
+ }
+
+ printk(KERN_INFO "%s: hwaddr %pM, %s + %s\n",
+ wiphy_name(dev->wiphy), dev->wiphy->perm_addr,
+ chip_name, priv->rf->name);
+
+ return 0;
+
+ err_iounmap:
+ iounmap(priv->map);
+
+ err_free_dev:
+ pci_set_drvdata(pdev, NULL);
+ ieee80211_free_hw(dev);
+
+ err_free_reg:
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ return err;
+}
+
+static void __devexit rtl8187se_remove(struct pci_dev *pdev)
+{
+ struct ieee80211_hw *dev = pci_get_drvdata(pdev);
+ struct rtl8187se_priv *priv;
+
+ if (!dev)
+ return;
+
+ ieee80211_unregister_hw(dev);
+
+ priv = dev->priv;
+
+ pci_iounmap(pdev, priv->map);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ ieee80211_free_hw(dev);
+}
+
+#ifdef CONFIG_PM
+static int rtl8187se_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 rtl8187se_resume(struct pci_dev *pdev)
+{
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+ return 0;
+}
+
+#endif /* CONFIG_PM */
+
+static struct pci_driver rtl8187se_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = rtl8187se_table,
+ .probe = rtl8187se_probe,
+ .remove = __devexit_p(rtl8187se_remove),
+#ifdef CONFIG_PM
+ .suspend = rtl8187se_suspend,
+ .resume = rtl8187se_resume,
+#endif /* CONFIG_PM */
+};
+
+static int __init rtl8187se_init(void)
+{
+ return pci_register_driver(&rtl8187se_driver);
+}
+
+static void __exit rtl8187se_exit(void)
+{
+ pci_unregister_driver(&rtl8187se_driver);
+}
+
+module_init(rtl8187se_init);
+module_exit(rtl8187se_exit);
+