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[RFT 2/6] rtl8187se: Create file rtl8187se_dev.c

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Create the main device file for rtl8187se.

Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
---

Index: wireless-testing/drivers/net/wireless/rtl818x/rtl8187se_dev.c
===================================================================
--- /dev/null
+++ wireless-testing/drivers/net/wireless/rtl818x/rtl8187se_dev.c
@@ -0,0 +1,1000 @@
+
+/*
+ * Linux device driver for RTL8187SE
+ *
+ * Copyright 2009 Larry Finger <Larry.Finger@xxxxxxxxxxxx>
+ *
+ * Based on the r8180 driver, which is:
+ * Copyright 2004-2005 Andrea Merello <andreamrl@xxxxxxxxxx>, 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@xxxxxxxxxxxx>");
+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);
+	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);
+
+	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);
+
--
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