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authorLarry Finger <Larry.Finger@lwfinger.net>2008-10-31 17:19:31 -0700
committerJohn W. Linville <linville@tuxdriver.com>2008-11-21 11:06:04 -0500
commit1c740ed2210a0d124674a477ea538468aba47810 (patch)
treee65f654e382456c85bb3d8b162176357efcf0226 /drivers/net/wireless/rtl8180_dev.c
parentmac80211_hwsim: enable Mesh Point operation (diff)
downloadlinux-dev-1c740ed2210a0d124674a477ea538468aba47810.tar.xz
linux-dev-1c740ed2210a0d124674a477ea538468aba47810.zip
Move all rtl818x files to a common directory.
This change improves the maintainability of these drivers. No functionality is changed. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtl8180_dev.c')
-rw-r--r--drivers/net/wireless/rtl8180_dev.c1081
1 files changed, 0 insertions, 1081 deletions
diff --git a/drivers/net/wireless/rtl8180_dev.c b/drivers/net/wireless/rtl8180_dev.c
deleted file mode 100644
index 6c226c024dd9..000000000000
--- a/drivers/net/wireless/rtl8180_dev.c
+++ /dev/null
@@ -1,1081 +0,0 @@
-
-/*
- * Linux device driver for RTL8180 / RTL8185
- *
- * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
- * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
- *
- * 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 "rtl8180.h"
-#include "rtl8180_rtl8225.h"
-#include "rtl8180_sa2400.h"
-#include "rtl8180_max2820.h"
-#include "rtl8180_grf5101.h"
-
-MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
-MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
-MODULE_DESCRIPTION("RTL8180 / RTL8185 PCI wireless driver");
-MODULE_LICENSE("GPL");
-
-static struct pci_device_id rtl8180_table[] __devinitdata = {
- /* rtl8185 */
- { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8185) },
- { PCI_DEVICE(PCI_VENDOR_ID_BELKIN, 0x700f) },
- { PCI_DEVICE(PCI_VENDOR_ID_BELKIN, 0x701f) },
-
- /* rtl8180 */
- { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8180) },
- { PCI_DEVICE(0x1799, 0x6001) },
- { PCI_DEVICE(0x1799, 0x6020) },
- { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x3300) },
- { }
-};
-
-MODULE_DEVICE_TABLE(pci, rtl8180_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 rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
-{
- struct rtl8180_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 rtl8180_handle_rx(struct ieee80211_hw *dev)
-{
- struct rtl8180_priv *priv = dev->priv;
- unsigned int count = 32;
-
- while (count--) {
- struct rtl8180_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.qual = flags2 & 0xFF;
- 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;
-
- ieee80211_rx_irqsafe(dev, skb, &rx_status);
-
- 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 rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio)
-{
- struct rtl8180_priv *priv = dev->priv;
- struct rtl8180_tx_ring *ring = &priv->tx_ring[prio];
-
- while (skb_queue_len(&ring->queue)) {
- struct rtl8180_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 rtl8180_interrupt(int irq, void *dev_id)
-{
- struct ieee80211_hw *dev = dev_id;
- struct rtl8180_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))
- rtl8180_handle_tx(dev, 3);
-
- if (reg & (RTL818X_INT_TXH_OK | RTL818X_INT_TXH_ERR))
- rtl8180_handle_tx(dev, 2);
-
- if (reg & (RTL818X_INT_TXN_OK | RTL818X_INT_TXN_ERR))
- rtl8180_handle_tx(dev, 1);
-
- if (reg & (RTL818X_INT_TXL_OK | RTL818X_INT_TXL_ERR))
- rtl8180_handle_tx(dev, 0);
-
- if (reg & (RTL818X_INT_RX_OK | RTL818X_INT_RX_ERR))
- rtl8180_handle_rx(dev);
-
- spin_unlock(&priv->lock);
-
- return IRQ_HANDLED;
-}
-
-static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
-{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct rtl8180_priv *priv = dev->priv;
- struct rtl8180_tx_ring *ring;
- struct rtl8180_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;
-
- if (priv->r8185)
- 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);
-
- if (!priv->r8185) {
- unsigned int remainder;
-
- plcp_len = DIV_ROUND_UP(16 * (skb->len + 4),
- (ieee80211_get_tx_rate(dev, info)->bitrate * 2) / 10);
- remainder = (16 * (skb->len + 4)) %
- ((ieee80211_get_tx_rate(dev, info)->bitrate * 2) / 10);
- if (remainder > 0 && remainder <= 6)
- plcp_len |= 1 << 15;
- }
-
- 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 rtl8180_set_anaparam(struct rtl8180_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);
- rtl818x_iowrite8(priv, &priv->map->CONFIG3,
- reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
-}
-
-static int rtl8180_init_hw(struct ieee80211_hw *dev)
-{
- struct rtl8180_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);
-
- if (!priv->r8185)
- rtl8180_set_anaparam(priv, priv->anaparam);
-
- 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);
-
- /* TODO: necessary? specs indicate not */
- 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));
- if (priv->r8185) {
- 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);
-
- /* TODO: set CONFIG5 for calibrating AGC on rtl8180 + philips radio? */
-
- /* TODO: turn off hw wep on rtl8180 */
-
- rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
-
- if (priv->r8185) {
- 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);
-
- /* TODO: set ClkRun enable? necessary? */
- 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);
- } else {
- rtl818x_iowrite16(priv, &priv->map->BRSR, 0x1);
- rtl818x_iowrite8(priv, &priv->map->SECURITY, 0);
-
- rtl818x_iowrite8(priv, &priv->map->PHY_DELAY, 0x6);
- rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, 0x4C);
- }
-
- priv->rf->init(dev);
- if (priv->r8185)
- rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
- return 0;
-}
-
-static int rtl8180_init_rx_ring(struct ieee80211_hw *dev)
-{
- struct rtl8180_priv *priv = dev->priv;
- struct rtl8180_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 rtl8180_free_rx_ring(struct ieee80211_hw *dev)
-{
- struct rtl8180_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 rtl8180_init_tx_ring(struct ieee80211_hw *dev,
- unsigned int prio, unsigned int entries)
-{
- struct rtl8180_priv *priv = dev->priv;
- struct rtl8180_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 rtl8180_free_tx_ring(struct ieee80211_hw *dev, unsigned int prio)
-{
- struct rtl8180_priv *priv = dev->priv;
- struct rtl8180_tx_ring *ring = &priv->tx_ring[prio];
-
- while (skb_queue_len(&ring->queue)) {
- struct rtl8180_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 rtl8180_start(struct ieee80211_hw *dev)
-{
- struct rtl8180_priv *priv = dev->priv;
- int ret, i;
- u32 reg;
-
- ret = rtl8180_init_rx_ring(dev);
- if (ret)
- return ret;
-
- for (i = 0; i < 4; i++)
- if ((ret = rtl8180_init_tx_ring(dev, i, 16)))
- goto err_free_rings;
-
- ret = rtl8180_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, &rtl8180_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 |
- (7 << 8 /* MAX RX DMA */) |
- RTL818X_RX_CONF_BROADCAST |
- RTL818X_RX_CONF_NICMAC;
-
- if (priv->r8185)
- reg |= RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2;
- else {
- reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE1)
- ? RTL818X_RX_CONF_CSDM1 : 0;
- reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE2)
- ? RTL818X_RX_CONF_CSDM2 : 0;
- }
-
- priv->rx_conf = reg;
- rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
-
- if (priv->r8185) {
- 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;
-
- if (priv->r8185)
- reg &= ~RTL818X_TX_CONF_PROBE_DTS;
- else
- reg &= ~RTL818X_TX_CONF_HW_SEQNUM;
-
- /* different meaning, same value on both rtl8185 and rtl8180 */
- 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:
- rtl8180_free_rx_ring(dev);
- for (i = 0; i < 4; i++)
- if (priv->tx_ring[i].desc)
- rtl8180_free_tx_ring(dev, i);
-
- return ret;
-}
-
-static void rtl8180_stop(struct ieee80211_hw *dev)
-{
- struct rtl8180_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);
-
- rtl8180_free_rx_ring(dev);
- for (i = 0; i < 4; i++)
- rtl8180_free_tx_ring(dev, i);
-}
-
-static int rtl8180_add_interface(struct ieee80211_hw *dev,
- struct ieee80211_if_init_conf *conf)
-{
- struct rtl8180_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 rtl8180_remove_interface(struct ieee80211_hw *dev,
- struct ieee80211_if_init_conf *conf)
-{
- struct rtl8180_priv *priv = dev->priv;
- priv->mode = NL80211_IFTYPE_MONITOR;
- priv->vif = NULL;
-}
-
-static int rtl8180_config(struct ieee80211_hw *dev, u32 changed)
-{
- struct rtl8180_priv *priv = dev->priv;
- struct ieee80211_conf *conf = &dev->conf;
-
- priv->rf->set_chan(dev, conf);
-
- return 0;
-}
-
-static int rtl8180_config_interface(struct ieee80211_hw *dev,
- struct ieee80211_vif *vif,
- struct ieee80211_if_conf *conf)
-{
- struct rtl8180_priv *priv = dev->priv;
- int i;
-
- for (i = 0; i < ETH_ALEN; i++)
- rtl818x_iowrite8(priv, &priv->map->BSSID[i], conf->bssid[i]);
-
- if (is_valid_ether_addr(conf->bssid))
- rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_INFRA);
- else
- rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_NO_LINK);
-
- return 0;
-}
-
-static void rtl8180_configure_filter(struct ieee80211_hw *dev,
- unsigned int changed_flags,
- unsigned int *total_flags,
- int mc_count, struct dev_addr_list *mclist)
-{
- struct rtl8180_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 || mc_count > 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 rtl8180_ops = {
- .tx = rtl8180_tx,
- .start = rtl8180_start,
- .stop = rtl8180_stop,
- .add_interface = rtl8180_add_interface,
- .remove_interface = rtl8180_remove_interface,
- .config = rtl8180_config,
- .config_interface = rtl8180_config_interface,
- .configure_filter = rtl8180_configure_filter,
-};
-
-static void rtl8180_eeprom_register_read(struct eeprom_93cx6 *eeprom)
-{
- struct ieee80211_hw *dev = eeprom->data;
- struct rtl8180_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 rtl8180_eeprom_register_write(struct eeprom_93cx6 *eeprom)
-{
- struct ieee80211_hw *dev = eeprom->data;
- struct rtl8180_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 rtl8180_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
-{
- struct ieee80211_hw *dev;
- struct rtl8180_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;
- u32 reg;
- u16 eeprom_val;
-
- err = pci_enable_device(pdev);
- if (err) {
- printk(KERN_ERR "%s (rtl8180): Cannot enable new PCI device\n",
- pci_name(pdev));
- return err;
- }
-
- err = pci_request_regions(pdev, KBUILD_MODNAME);
- if (err) {
- printk(KERN_ERR "%s (rtl8180): 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 (rtl8180): Too short PCI resources\n",
- pci_name(pdev));
- err = -ENOMEM;
- goto err_free_reg;
- }
-
- if ((err = pci_set_dma_mask(pdev, 0xFFFFFF00ULL)) ||
- (err = pci_set_consistent_dma_mask(pdev, 0xFFFFFF00ULL))) {
- printk(KERN_ERR "%s (rtl8180): No suitable DMA available\n",
- pci_name(pdev));
- goto err_free_reg;
- }
-
- pci_set_master(pdev);
-
- dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8180_ops);
- if (!dev) {
- printk(KERN_ERR "%s (rtl8180): 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 (rtl8180): 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->queues = 1;
- dev->max_signal = 65;
-
- reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
- reg &= RTL818X_TX_CONF_HWVER_MASK;
- switch (reg) {
- case RTL818X_TX_CONF_R8180_ABCD:
- chip_name = "RTL8180";
- break;
- case RTL818X_TX_CONF_R8180_F:
- chip_name = "RTL8180vF";
- break;
- case RTL818X_TX_CONF_R8185_ABC:
- chip_name = "RTL8185";
- break;
- case RTL818X_TX_CONF_R8185_D:
- chip_name = "RTL8185vD";
- break;
- default:
- printk(KERN_ERR "%s (rtl8180): Unknown chip! (0x%x)\n",
- pci_name(pdev), reg >> 25);
- goto err_iounmap;
- }
-
- priv->r8185 = reg & RTL818X_TX_CONF_R8185_ABC;
- if (priv->r8185) {
- priv->band.n_bitrates = ARRAY_SIZE(rtl818x_rates);
- pci_try_set_mwi(pdev);
- }
-
- eeprom.data = dev;
- eeprom.register_read = rtl8180_eeprom_register_read;
- eeprom.register_write = rtl8180_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);
-
- eeprom_93cx6_read(&eeprom, 0x06, &eeprom_val);
- eeprom_val &= 0xFF;
- switch (eeprom_val) {
- case 1: rf_name = "Intersil";
- break;
- case 2: rf_name = "RFMD";
- break;
- case 3: priv->rf = &sa2400_rf_ops;
- break;
- case 4: priv->rf = &max2820_rf_ops;
- break;
- case 5: priv->rf = &grf5101_rf_ops;
- break;
- case 9: priv->rf = rtl8180_detect_rf(dev);
- break;
- case 10:
- rf_name = "RTL8255";
- break;
- default:
- printk(KERN_ERR "%s (rtl8180): Unknown RF! (0x%x)\n",
- pci_name(pdev), eeprom_val);
- goto err_iounmap;
- }
-
- if (!priv->rf) {
- printk(KERN_ERR "%s (rtl8180): %s RF frontend not supported!\n",
- pci_name(pdev), rf_name);
- goto err_iounmap;
- }
-
- eeprom_93cx6_read(&eeprom, 0x17, &eeprom_val);
- priv->csthreshold = eeprom_val >> 8;
- if (!priv->r8185) {
- __le32 anaparam;
- eeprom_93cx6_multiread(&eeprom, 0xD, (__le16 *)&anaparam, 2);
- priv->anaparam = le32_to_cpu(anaparam);
- eeprom_93cx6_read(&eeprom, 0x19, &priv->rfparam);
- }
-
- eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)dev->wiphy->perm_addr, 3);
- if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
- printk(KERN_WARNING "%s (rtl8180): 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 */
- if (priv->r8185) {
- 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);
-
- err = ieee80211_register_hw(dev);
- if (err) {
- printk(KERN_ERR "%s (rtl8180): 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 rtl8180_remove(struct pci_dev *pdev)
-{
- struct ieee80211_hw *dev = pci_get_drvdata(pdev);
- struct rtl8180_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 rtl8180_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 rtl8180_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 rtl8180_driver = {
- .name = KBUILD_MODNAME,
- .id_table = rtl8180_table,
- .probe = rtl8180_probe,
- .remove = __devexit_p(rtl8180_remove),
-#ifdef CONFIG_PM
- .suspend = rtl8180_suspend,
- .resume = rtl8180_resume,
-#endif /* CONFIG_PM */
-};
-
-static int __init rtl8180_init(void)
-{
- return pci_register_driver(&rtl8180_driver);
-}
-
-static void __exit rtl8180_exit(void)
-{
- pci_unregister_driver(&rtl8180_driver);
-}
-
-module_init(rtl8180_init);
-module_exit(rtl8180_exit);