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path: root/drivers/net/wireless/rtl818x/rtl8180/dev.c
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Diffstat (limited to 'drivers/net/wireless/rtl818x/rtl8180/dev.c')
-rw-r--r--drivers/net/wireless/rtl818x/rtl8180/dev.c1009
1 files changed, 865 insertions, 144 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 3867d1470b36..98d8256f0377 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -1,15 +1,42 @@
-/*
- * Linux device driver for RTL8180 / RTL8185
+/* Linux device driver for RTL8180 / RTL8185 / RTL8187SE
*
* Copyright 2007 Michael Wu <flamingice@sourmilk.net>
- * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
+ * Copyright 2007,2014 Andrea Merello <andrea.merello@gmail.com>
*
* Based on the r8180 driver, which is:
* Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
*
* Thanks to Realtek for their support!
*
+ ************************************************************************
+ *
+ * The driver was extended to the RTL8187SE in 2014 by
+ * Andrea Merello <andrea.merello@gmail.com>
+ *
+ * based also on:
+ * - portions of rtl8187se Linux staging driver, Copyright Realtek corp.
+ * - other GPL, unpublished (until now), Linux driver code,
+ * Copyright Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ * A huge thanks goes to Sara V. Nari who forgives me when I'm
+ * sitting in front of my laptop at evening, week-end, night...
+ *
+ * A special thanks goes to Antonio Cuni, who helped me with
+ * some python userspace stuff I used to debug RTL8187SE code, and who
+ * bought a laptop with an unsupported Wi-Fi card some years ago...
+ *
+ * Thanks to Larry Finger for writing some code for rtl8187se and for
+ * his suggestions.
+ *
+ * Thanks to Dan Carpenter for reviewing my initial patch and for his
+ * suggestions.
+ *
+ * Thanks to Bernhard Schiffner for his help in testing and for his
+ * suggestions.
+ *
+ ************************************************************************
+ *
* 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.
@@ -29,13 +56,18 @@
#include "sa2400.h"
#include "max2820.h"
#include "grf5101.h"
+#include "rtl8225se.h"
MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
MODULE_AUTHOR("Andrea Merello <andrea.merello@gmail.com>");
-MODULE_DESCRIPTION("RTL8180 / RTL8185 PCI wireless driver");
+MODULE_DESCRIPTION("RTL8180 / RTL8185 / RTL8187SE PCI wireless driver");
MODULE_LICENSE("GPL");
static DEFINE_PCI_DEVICE_TABLE(rtl8180_table) = {
+
+ /* rtl8187se */
+ { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8199) },
+
/* rtl8185 */
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8185) },
{ PCI_DEVICE(PCI_VENDOR_ID_BELKIN, 0x700f) },
@@ -85,6 +117,76 @@ static const struct ieee80211_channel rtl818x_channels[] = {
{ .center_freq = 2484 },
};
+/* Queues for rtl8187se card
+ *
+ * name | reg | queue
+ * BC | 7 | 6
+ * MG | 1 | 0
+ * HI | 6 | 1
+ * VO | 5 | 2
+ * VI | 4 | 3
+ * BE | 3 | 4
+ * BK | 2 | 5
+ *
+ * The complete map for DMA kick reg using use all queue is:
+ * static const int rtl8187se_queues_map[RTL8187SE_NR_TX_QUEUES] =
+ * {1, 6, 5, 4, 3, 2, 7};
+ *
+ * .. but.. Because for mac80211 4 queues are enough for QoS we use this
+ *
+ * name | reg | queue
+ * BC | 7 | 4 <- currently not used yet
+ * MG | 1 | x <- Not used
+ * HI | 6 | x <- Not used
+ * VO | 5 | 0 <- used
+ * VI | 4 | 1 <- used
+ * BE | 3 | 2 <- used
+ * BK | 2 | 3 <- used
+ *
+ * Beacon queue could be used, but this is not finished yet.
+ *
+ * I thougth about using the other two queues but I decided not to do this:
+ *
+ * - I'm unsure whether the mac80211 will ever try to use more than 4 queues
+ * by itself.
+ *
+ * - I could route MGMT frames (currently sent over VO queue) to the MGMT
+ * queue but since mac80211 will do not know about it, I will probably gain
+ * some HW priority whenever the VO queue is not empty, but this gain is
+ * limited by the fact that I had to stop the mac80211 queue whenever one of
+ * the VO or MGMT queues is full, stopping also submitting of MGMT frame
+ * to the driver.
+ *
+ * - I don't know how to set in the HW the contention window params for MGMT
+ * and HI-prio queues.
+ */
+
+static const int rtl8187se_queues_map[RTL8187SE_NR_TX_QUEUES] = {5, 4, 3, 2, 7};
+
+/* Queues for rtl8180/rtl8185 cards
+ *
+ * name | reg | prio
+ * BC | 7 | 3
+ * HI | 6 | 0
+ * NO | 5 | 1
+ * LO | 4 | 2
+ *
+ * The complete map for DMA kick reg using all queue is:
+ * static const int rtl8180_queues_map[RTL8180_NR_TX_QUEUES] = {6, 5, 4, 7};
+ *
+ * .. but .. Because the mac80211 needs at least 4 queues for QoS or
+ * otherwise QoS can't be done, we use just one.
+ * Beacon queue could be used, but this is not finished yet.
+ * Actual map is:
+ *
+ * name | reg | prio
+ * BC | 7 | 1 <- currently not used yet.
+ * HI | 6 | x <- not used
+ * NO | 5 | x <- not used
+ * LO | 4 | 0 <- used
+ */
+
+static const int rtl8180_queues_map[RTL8180_NR_TX_QUEUES] = {4, 7};
void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
{
@@ -105,14 +207,30 @@ void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
static void rtl8180_handle_rx(struct ieee80211_hw *dev)
{
struct rtl8180_priv *priv = dev->priv;
+ struct rtl818x_rx_cmd_desc *cmd_desc;
unsigned int count = 32;
u8 signal, agc, sq;
dma_addr_t mapping;
while (count--) {
- struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx];
+ void *entry = priv->rx_ring + priv->rx_idx * priv->rx_ring_sz;
struct sk_buff *skb = priv->rx_buf[priv->rx_idx];
- u32 flags = le32_to_cpu(entry->flags);
+ u32 flags, flags2;
+ u64 tsft;
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ struct rtl8187se_rx_desc *desc = entry;
+
+ flags = le32_to_cpu(desc->flags);
+ flags2 = le32_to_cpu(desc->flags2);
+ tsft = le64_to_cpu(desc->tsft);
+ } else {
+ struct rtl8180_rx_desc *desc = entry;
+
+ flags = le32_to_cpu(desc->flags);
+ flags2 = le32_to_cpu(desc->flags2);
+ tsft = le64_to_cpu(desc->tsft);
+ }
if (flags & RTL818X_RX_DESC_FLAG_OWN)
return;
@@ -122,7 +240,6 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
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);
@@ -148,19 +265,24 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
rx_status.antenna = (flags2 >> 15) & 1;
rx_status.rate_idx = (flags >> 20) & 0xF;
agc = (flags2 >> 17) & 0x7F;
- if (priv->r8185) {
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8185) {
if (rx_status.rate_idx > 3)
signal = 90 - clamp_t(u8, agc, 25, 90);
else
signal = 95 - clamp_t(u8, agc, 30, 95);
- } else {
+ } else if (priv->chip_family ==
+ RTL818X_CHIP_FAMILY_RTL8180) {
sq = flags2 & 0xff;
signal = priv->rf->calc_rssi(agc, sq);
+ } else {
+ /* TODO: rtl8187se rssi */
+ signal = 10;
}
rx_status.signal = signal;
rx_status.freq = dev->conf.chandef.chan->center_freq;
rx_status.band = dev->conf.chandef.chan->band;
- rx_status.mactime = le64_to_cpu(entry->tsft);
+ rx_status.mactime = tsft;
rx_status.flag |= RX_FLAG_MACTIME_START;
if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
@@ -174,11 +296,13 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
}
done:
- entry->rx_buf = cpu_to_le32(*((dma_addr_t *)skb->cb));
- entry->flags = cpu_to_le32(RTL818X_RX_DESC_FLAG_OWN |
+ cmd_desc = entry;
+ cmd_desc->rx_buf = cpu_to_le32(*((dma_addr_t *)skb->cb));
+ cmd_desc->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);
+ cmd_desc->flags |=
+ cpu_to_le32(RTL818X_RX_DESC_FLAG_EOR);
priv->rx_idx = (priv->rx_idx + 1) % 32;
}
}
@@ -218,6 +342,55 @@ static void rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio)
}
}
+static irqreturn_t rtl8187se_interrupt(int irq, void *dev_id)
+{
+ struct ieee80211_hw *dev = dev_id;
+ struct rtl8180_priv *priv = dev->priv;
+ u32 reg;
+ unsigned long flags;
+ static int desc_err;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ /* Note: 32-bit interrupt status */
+ reg = rtl818x_ioread32(priv, &priv->map->INT_STATUS_SE);
+ if (unlikely(reg == 0xFFFFFFFF)) {
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return IRQ_HANDLED;
+ }
+
+ rtl818x_iowrite32(priv, &priv->map->INT_STATUS_SE, reg);
+
+ if (reg & IMR_TIMEOUT1)
+ rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
+
+ if (reg & (IMR_TBDOK | IMR_TBDER))
+ rtl8180_handle_tx(dev, 4);
+
+ if (reg & (IMR_TVODOK | IMR_TVODER))
+ rtl8180_handle_tx(dev, 0);
+
+ if (reg & (IMR_TVIDOK | IMR_TVIDER))
+ rtl8180_handle_tx(dev, 1);
+
+ if (reg & (IMR_TBEDOK | IMR_TBEDER))
+ rtl8180_handle_tx(dev, 2);
+
+ if (reg & (IMR_TBKDOK | IMR_TBKDER))
+ rtl8180_handle_tx(dev, 3);
+
+ if (reg & (IMR_ROK | IMR_RER | RTL818X_INT_SE_RX_DU | IMR_RQOSOK))
+ rtl8180_handle_rx(dev);
+ /* The interface sometimes generates several RX DMA descriptor errors
+ * at startup. Do not report these.
+ */
+ if ((reg & RTL818X_INT_SE_RX_DU) && desc_err++ > 2)
+ if (net_ratelimit())
+ wiphy_err(dev->wiphy, "No RX DMA Descriptor avail\n");
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return IRQ_HANDLED;
+}
+
static irqreturn_t rtl8180_interrupt(int irq, void *dev_id)
{
struct ieee80211_hw *dev = dev_id;
@@ -234,12 +407,6 @@ static irqreturn_t rtl8180_interrupt(int irq, void *dev_id)
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))
@@ -263,12 +430,14 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
struct rtl8180_tx_ring *ring;
struct rtl8180_tx_desc *entry;
unsigned long flags;
- unsigned int idx, prio;
+ unsigned int idx, prio, hw_prio;
dma_addr_t mapping;
u32 tx_flags;
u8 rc_flags;
u16 plcp_len = 0;
__le16 rts_duration = 0;
+ /* do arithmetic and then convert to le16 */
+ u16 frame_duration = 0;
prio = skb_get_queue_mapping(skb);
ring = &priv->tx_ring[prio];
@@ -280,7 +449,6 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
kfree_skb(skb);
dev_err(&priv->pdev->dev, "TX DMA mapping error\n");
return;
-
}
tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS |
@@ -288,7 +456,7 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
(ieee80211_get_tx_rate(dev, info)->hw_value << 24) |
skb->len;
- if (priv->r8185)
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8180)
tx_flags |= RTL818X_TX_DESC_FLAG_DMA |
RTL818X_TX_DESC_FLAG_NO_ENC;
@@ -305,7 +473,7 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
rts_duration = ieee80211_rts_duration(dev, priv->vif, skb->len,
info);
- if (!priv->r8185) {
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180) {
unsigned int remainder;
plcp_len = DIV_ROUND_UP(16 * (skb->len + 4),
@@ -316,6 +484,18 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
plcp_len |= 1 << 15;
}
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ __le16 duration;
+ /* SIFS time (required by HW) is already included by
+ * ieee80211_generic_frame_duration
+ */
+ duration = ieee80211_generic_frame_duration(dev, priv->vif,
+ IEEE80211_BAND_2GHZ, skb->len,
+ ieee80211_get_tx_rate(dev, info));
+
+ frame_duration = priv->ack_time + le16_to_cpu(duration);
+ }
+
spin_lock_irqsave(&priv->lock, flags);
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
@@ -328,21 +508,91 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
entry = &ring->desc[idx];
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ entry->frame_duration = cpu_to_le16(frame_duration);
+ entry->frame_len_se = cpu_to_le16(skb->len);
+
+ /* tpc polarity */
+ entry->flags3 = cpu_to_le16(1<<4);
+ } else
+ entry->frame_len = cpu_to_le32(skb->len);
+
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;
+
+ /* We must be sure that tx_flags is written last because the HW
+ * looks at it to check if the rest of data is valid or not
+ */
+ wmb();
entry->flags = cpu_to_le32(tx_flags);
+ /* We must be sure this has been written before followings HW
+ * register write, because this write will made the HW attempts
+ * to DMA the just-written data
+ */
+ wmb();
+
__skb_queue_tail(&ring->queue, skb);
if (ring->entries - skb_queue_len(&ring->queue) < 2)
ieee80211_stop_queue(dev, prio);
spin_unlock_irqrestore(&priv->lock, flags);
- rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING, (1 << (prio + 4)));
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ /* just poll: rings are stopped with TPPollStop reg */
+ hw_prio = rtl8187se_queues_map[prio];
+ rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING,
+ (1 << hw_prio));
+ } else {
+ hw_prio = rtl8180_queues_map[prio];
+ rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING,
+ (1 << hw_prio) | /* ring to poll */
+ (1<<1) | (1<<2));/* stopped rings */
+ }
+}
+
+static void rtl8180_set_anaparam3(struct rtl8180_priv *priv, u16 anaparam3)
+{
+ 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_iowrite16(priv, &priv->map->ANAPARAM3, anaparam3);
+
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+ reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+}
+
+void rtl8180_set_anaparam2(struct rtl8180_priv *priv, u32 anaparam2)
+{
+ 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->ANAPARAM2, anaparam2);
+
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+ reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
}
void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam)
@@ -359,17 +609,171 @@ void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam)
rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
}
+static void rtl8187se_mac_config(struct ieee80211_hw *dev)
+{
+ struct rtl8180_priv *priv = dev->priv;
+ u8 reg;
+
+ rtl818x_iowrite32(priv, REG_ADDR4(0x1F0), 0);
+ rtl818x_ioread32(priv, REG_ADDR4(0x1F0));
+ rtl818x_iowrite32(priv, REG_ADDR4(0x1F4), 0);
+ rtl818x_ioread32(priv, REG_ADDR4(0x1F4));
+ rtl818x_iowrite8(priv, REG_ADDR1(0x1F8), 0);
+ rtl818x_ioread8(priv, REG_ADDR1(0x1F8));
+ /* Enable DA10 TX power saving */
+ reg = rtl818x_ioread8(priv, &priv->map->PHY_PR);
+ rtl818x_iowrite8(priv, &priv->map->PHY_PR, reg | 0x04);
+ /* Power */
+ rtl818x_iowrite16(priv, PI_DATA_REG, 0x1000);
+ rtl818x_iowrite16(priv, SI_DATA_REG, 0x1000);
+ /* AFE - default to power ON */
+ rtl818x_iowrite16(priv, REG_ADDR2(0x370), 0x0560);
+ rtl818x_iowrite16(priv, REG_ADDR2(0x372), 0x0560);
+ rtl818x_iowrite16(priv, REG_ADDR2(0x374), 0x0DA4);
+ rtl818x_iowrite16(priv, REG_ADDR2(0x376), 0x0DA4);
+ rtl818x_iowrite16(priv, REG_ADDR2(0x378), 0x0560);
+ rtl818x_iowrite16(priv, REG_ADDR2(0x37A), 0x0560);
+ rtl818x_iowrite16(priv, REG_ADDR2(0x37C), 0x00EC);
+ rtl818x_iowrite16(priv, REG_ADDR2(0x37E), 0x00EC);
+ rtl818x_iowrite8(priv, REG_ADDR1(0x24E), 0x01);
+ /* unknown, needed for suspend to RAM resume */
+ rtl818x_iowrite8(priv, REG_ADDR1(0x0A), 0x72);
+}
+
+static void rtl8187se_set_antenna_config(struct ieee80211_hw *dev, u8 def_ant,
+ bool diversity)
+{
+ struct rtl8180_priv *priv = dev->priv;
+
+ rtl8225_write_phy_cck(dev, 0x0C, 0x09);
+ if (diversity) {
+ if (def_ant == 1) {
+ rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x00);
+ rtl8225_write_phy_cck(dev, 0x11, 0xBB);
+ rtl8225_write_phy_cck(dev, 0x01, 0xC7);
+ rtl8225_write_phy_ofdm(dev, 0x0D, 0x54);
+ rtl8225_write_phy_ofdm(dev, 0x18, 0xB2);
+ } else { /* main antenna */
+ rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03);
+ rtl8225_write_phy_cck(dev, 0x11, 0x9B);
+ rtl8225_write_phy_cck(dev, 0x01, 0xC7);
+ rtl8225_write_phy_ofdm(dev, 0x0D, 0x5C);
+ rtl8225_write_phy_ofdm(dev, 0x18, 0xB2);
+ }
+ } else { /* disable antenna diversity */
+ if (def_ant == 1) {
+ rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x00);
+ rtl8225_write_phy_cck(dev, 0x11, 0xBB);
+ rtl8225_write_phy_cck(dev, 0x01, 0x47);
+ rtl8225_write_phy_ofdm(dev, 0x0D, 0x54);
+ rtl8225_write_phy_ofdm(dev, 0x18, 0x32);
+ } else { /* main antenna */
+ rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03);
+ rtl8225_write_phy_cck(dev, 0x11, 0x9B);
+ rtl8225_write_phy_cck(dev, 0x01, 0x47);
+ rtl8225_write_phy_ofdm(dev, 0x0D, 0x5C);
+ rtl8225_write_phy_ofdm(dev, 0x18, 0x32);
+ }
+ }
+ /* priv->curr_ant = def_ant; */
+}
+
+static void rtl8180_int_enable(struct ieee80211_hw *dev)
+{
+ struct rtl8180_priv *priv = dev->priv;
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ rtl818x_iowrite32(priv, &priv->map->IMR, IMR_TMGDOK |
+ IMR_TBDER | IMR_THPDER |
+ IMR_THPDER | IMR_THPDOK |
+ IMR_TVODER | IMR_TVODOK |
+ IMR_TVIDER | IMR_TVIDOK |
+ IMR_TBEDER | IMR_TBEDOK |
+ IMR_TBKDER | IMR_TBKDOK |
+ IMR_RDU | IMR_RER |
+ IMR_ROK | IMR_RQOSOK);
+ } else {
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+ }
+}
+
+static void rtl8180_int_disable(struct ieee80211_hw *dev)
+{
+ struct rtl8180_priv *priv = dev->priv;
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ rtl818x_iowrite32(priv, &priv->map->IMR, 0);
+ } else {
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+ }
+}
+
+static void rtl8180_conf_basic_rates(struct ieee80211_hw *dev,
+ u32 rates_mask)
+{
+ struct rtl8180_priv *priv = dev->priv;
+
+ u8 max, min;
+ u16 reg;
+
+ max = fls(rates_mask) - 1;
+ min = ffs(rates_mask) - 1;
+
+ switch (priv->chip_family) {
+
+ case RTL818X_CHIP_FAMILY_RTL8180:
+ /* in 8180 this is NOT a BITMAP */
+ reg = rtl818x_ioread16(priv, &priv->map->BRSR);
+ reg &= ~3;
+ reg |= max;
+ rtl818x_iowrite16(priv, &priv->map->BRSR, reg);
+ break;
+
+ case RTL818X_CHIP_FAMILY_RTL8185:
+ /* in 8185 this is a BITMAP */
+ rtl818x_iowrite16(priv, &priv->map->BRSR, rates_mask);
+ rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (max << 4) | min);
+ break;
+
+ case RTL818X_CHIP_FAMILY_RTL8187SE:
+ /* in 8187se this is a BITMAP */
+ rtl818x_iowrite16(priv, &priv->map->BRSR_8187SE, rates_mask);
+ break;
+ }
+}
+
+static void rtl8180_config_cardbus(struct ieee80211_hw *dev)
+{
+ struct rtl8180_priv *priv = dev->priv;
+ u16 reg16;
+ u8 reg8;
+
+ reg8 = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+ reg8 |= 1 << 1;
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg8);
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ rtl818x_iowrite16(priv, FEMR_SE, 0xffff);
+ } else {
+ reg16 = rtl818x_ioread16(priv, &priv->map->FEMR);
+ reg16 |= (1 << 15) | (1 << 14) | (1 << 4);
+ rtl818x_iowrite16(priv, &priv->map->FEMR, reg16);
+ }
+
+}
+
static int rtl8180_init_hw(struct ieee80211_hw *dev)
{
struct rtl8180_priv *priv = dev->priv;
u16 reg;
+ u32 reg32;
rtl818x_iowrite8(priv, &priv->map->CMD, 0);
rtl818x_ioread8(priv, &priv->map->CMD);
msleep(10);
/* reset */
- rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+ rtl8180_int_disable(dev);
rtl818x_ioread8(priv, &priv->map->CMD);
reg = rtl818x_ioread8(priv, &priv->map->CMD);
@@ -390,31 +794,45 @@ static int rtl8180_init_hw(struct ieee80211_hw *dev)
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);
+ rtl8180_config_cardbus(dev);
}
- rtl818x_iowrite8(priv, &priv->map->MSR, 0);
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_ENEDCA);
+ else
+ rtl818x_iowrite8(priv, &priv->map->MSR, 0);
- if (!priv->r8185)
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180)
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);
+ /* mac80211 queue have higher prio for lower index. The last queue
+ * (that mac80211 is not aware of) is reserved for beacons (and have
+ * the highest priority on the NIC)
+ */
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8187SE) {
+ rtl818x_iowrite32(priv, &priv->map->TBDA,
+ priv->tx_ring[1].dma);
+ rtl818x_iowrite32(priv, &priv->map->TLPDA,
+ priv->tx_ring[0].dma);
+ } else {
+ rtl818x_iowrite32(priv, &priv->map->TBDA,
+ priv->tx_ring[4].dma);
+ rtl818x_iowrite32(priv, &priv->map->TVODA,
+ priv->tx_ring[0].dma);
+ rtl818x_iowrite32(priv, &priv->map->TVIDA,
+ priv->tx_ring[1].dma);
+ rtl818x_iowrite32(priv, &priv->map->TBEDA,
+ priv->tx_ring[2].dma);
+ rtl818x_iowrite32(priv, &priv->map->TBKDA,
+ priv->tx_ring[3].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) {
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8185) {
reg = rtl818x_ioread8(priv, &priv->map->CONFIG2);
rtl818x_iowrite8(priv, &priv->map->CONFIG2, reg | (1 << 4));
}
@@ -426,13 +844,17 @@ static int rtl8180_init_hw(struct ieee80211_hw *dev)
rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
- if (priv->r8185) {
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8180) {
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);
+ } else {
+ rtl818x_iowrite8(priv, &priv->map->SECURITY, 0);
- rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+ rtl818x_iowrite8(priv, &priv->map->PHY_DELAY, 0x6);
+ rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, 0x4C);
+ }
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8185) {
/* TODO: set ClkRun enable? necessary? */
reg = rtl818x_ioread8(priv, &priv->map->GP_ENABLE);
rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, reg & ~(1 << 6));
@@ -440,28 +862,90 @@ static int rtl8180_init_hw(struct ieee80211_hw *dev)
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);
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+
+ /* the set auto rate fallback bitmask from 1M to 54 Mb/s */
+ rtl818x_iowrite16(priv, ARFR, 0xFFF);
+ rtl818x_ioread16(priv, ARFR);
+
+ /* stop unused queus (no dma alloc) */
+ rtl818x_iowrite8(priv, &priv->map->TPPOLL_STOP,
+ RTL818x_TPPOLL_STOP_MG | RTL818x_TPPOLL_STOP_HI);
+
+ rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0x00);
+ rtl818x_iowrite16(priv, &priv->map->TID_AC_MAP, 0xFA50);
+
+ rtl818x_iowrite16(priv, &priv->map->INT_MIG, 0);
+
+ /* some black magic here.. */
+ rtl8187se_mac_config(dev);
+
+ rtl818x_iowrite16(priv, RFSW_CTRL, 0x569A);
+ rtl818x_ioread16(priv, RFSW_CTRL);
+
+ rtl8180_set_anaparam(priv, RTL8225SE_ANAPARAM_ON);
+ rtl8180_set_anaparam2(priv, RTL8225SE_ANAPARAM2_ON);
+ rtl8180_set_anaparam3(priv, RTL8225SE_ANAPARAM3);
+
+
+ rtl818x_iowrite8(priv, &priv->map->CONFIG5,
+ rtl818x_ioread8(priv, &priv->map->CONFIG5) & 0x7F);
+
+ /*probably this switch led on */
+ rtl818x_iowrite8(priv, &priv->map->PGSELECT,
+ rtl818x_ioread8(priv, &priv->map->PGSELECT) | 0x08);
+
+ rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1BFF);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x2488);
+
+ rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x4003);
+
+ /* the reference code mac hardcode table write
+ * this reg by doing byte-wide accesses.
+ * It does it just for lowest and highest byte..
+ */
+ reg32 = rtl818x_ioread32(priv, &priv->map->RF_PARA);
+ reg32 &= 0x00ffff00;
+ reg32 |= 0xb8000054;
+ rtl818x_iowrite32(priv, &priv->map->RF_PARA, reg32);
}
priv->rf->init(dev);
- if (priv->r8185)
- rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+
+ /* default basic rates are 1,2 Mbps for rtl8180. 1,2,6,9,12,18,24 Mbps
+ * otherwise. bitmask 0x3 and 0x01f3 respectively.
+ * NOTE: currenty rtl8225 RF code changes basic rates, so we need to do
+ * this after rf init.
+ * TODO: try to find out whether RF code really needs to do this..
+ */
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180)
+ rtl8180_conf_basic_rates(dev, 0x3);
+ else
+ rtl8180_conf_basic_rates(dev, 0x1f3);
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ rtl8187se_set_antenna_config(dev,
+ priv->antenna_diversity_default,
+ priv->antenna_diversity_en);
return 0;
}
static int rtl8180_init_rx_ring(struct ieee80211_hw *dev)
{
struct rtl8180_priv *priv = dev->priv;
- struct rtl8180_rx_desc *entry;
+ struct rtl818x_rx_cmd_desc *entry;
int i;
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ priv->rx_ring_sz = sizeof(struct rtl8187se_rx_desc);
+ else
+ priv->rx_ring_sz = sizeof(struct rtl8180_rx_desc);
+
priv->rx_ring = pci_alloc_consistent(priv->pdev,
- sizeof(*priv->rx_ring) * 32,
+ priv->rx_ring_sz * 32,
&priv->rx_ring_dma);
if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
@@ -469,20 +953,28 @@ static int rtl8180_init_rx_ring(struct ieee80211_hw *dev)
return -ENOMEM;
}
- memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * 32);
+ memset(priv->rx_ring, 0, priv->rx_ring_sz * 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;
-
+ entry = priv->rx_ring + priv->rx_ring_sz*i;
+ if (!skb) {
+ wiphy_err(dev->wiphy, "Cannot allocate RX skb\n");
+ return -ENOMEM;
+ }
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);
+
+ if (pci_dma_mapping_error(priv->pdev, *mapping)) {
+ kfree_skb(skb);
+ wiphy_err(dev->wiphy, "Cannot map DMA for RX skb\n");
+ return -ENOMEM;
+ }
+
entry->rx_buf = cpu_to_le32(*mapping);
entry->flags = cpu_to_le32(RTL818X_RX_DESC_FLAG_OWN |
MAX_RX_SIZE);
@@ -507,7 +999,7 @@ static void rtl8180_free_rx_ring(struct ieee80211_hw *dev)
kfree_skb(skb);
}
- pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * 32,
+ pci_free_consistent(priv->pdev, priv->rx_ring_sz * 32,
priv->rx_ring, priv->rx_ring_dma);
priv->rx_ring = NULL;
}
@@ -571,7 +1063,7 @@ static int rtl8180_start(struct ieee80211_hw *dev)
if (ret)
return ret;
- for (i = 0; i < 4; i++)
+ for (i = 0; i < (dev->queues + 1); i++)
if ((ret = rtl8180_init_tx_ring(dev, i, 16)))
goto err_free_rings;
@@ -579,23 +1071,28 @@ static int rtl8180_start(struct ieee80211_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,
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ ret = request_irq(priv->pdev->irq, rtl8187se_interrupt,
IRQF_SHARED, KBUILD_MODNAME, dev);
+ } else {
+ ret = request_irq(priv->pdev->irq, rtl8180_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, dev);
+ }
+
if (ret) {
wiphy_err(dev->wiphy, "failed to register IRQ handler\n");
goto err_free_rings;
}
- rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+ rtl8180_int_enable(dev);
- rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0);
- rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0);
+ /* in rtl8187se at MAR regs offset there is the management
+ * TX descriptor DMA addres..
+ */
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8187SE) {
+ 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 |
@@ -605,27 +1102,42 @@ static int rtl8180_start(struct ieee80211_hw *dev)
RTL818X_RX_CONF_BROADCAST |
RTL818X_RX_CONF_NICMAC;
- if (priv->r8185)
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8185)
reg |= RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2;
- else {
+ else if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180) {
reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE1)
? RTL818X_RX_CONF_CSDM1 : 0;
reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE2)
? RTL818X_RX_CONF_CSDM2 : 0;
+ } else {
+ reg &= ~(RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2);
}
priv->rx_conf = reg;
rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
- if (priv->r8185) {
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8180) {
reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
- reg &= ~RTL818X_CW_CONF_PERPACKET_CW_SHIFT;
- reg |= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT;
+
+ /* CW is not on per-packet basis.
+ * in rtl8185 the CW_VALUE reg is used.
+ * in rtl8187se the AC param regs are used.
+ */
+ reg &= ~RTL818X_CW_CONF_PERPACKET_CW;
+ /* retry limit IS on per-packet basis.
+ * the short and long retry limit in TX_CONF
+ * reg are ignored
+ */
+ reg |= RTL818X_CW_CONF_PERPACKET_RETRY;
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;
+ /* TX antenna and TX gain are not on per-packet basis.
+ * TX Antenna is selected by ANTSEL reg (RX in BB regs).
+ * TX gain is selected with CCK_TX_AGC and OFDM_TX_AGC regs
+ */
+ reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN;
+ reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL;
reg |= RTL818X_TX_AGC_CTL_FEEDBACK_ANT;
rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
@@ -637,11 +1149,16 @@ static int rtl8180_start(struct ieee80211_hw *dev)
reg |= (6 << 21 /* MAX TX DMA */) |
RTL818X_TX_CONF_NO_ICV;
- if (priv->r8185)
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ reg |= 1<<30; /* "duration procedure mode" */
+
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8180)
reg &= ~RTL818X_TX_CONF_PROBE_DTS;
else
reg &= ~RTL818X_TX_CONF_HW_SEQNUM;
+ reg &= ~RTL818X_TX_CONF_DISCW;
+
/* different meaning, same value on both rtl8185 and rtl8180 */
reg &= ~RTL818X_TX_CONF_SAT_HWPLCP;
@@ -656,7 +1173,7 @@ static int rtl8180_start(struct ieee80211_hw *dev)
err_free_rings:
rtl8180_free_rx_ring(dev);
- for (i = 0; i < 4; i++)
+ for (i = 0; i < (dev->queues + 1); i++)
if (priv->tx_ring[i].desc)
rtl8180_free_tx_ring(dev, i);
@@ -669,7 +1186,7 @@ static void rtl8180_stop(struct ieee80211_hw *dev)
u8 reg;
int i;
- rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+ rtl8180_int_disable(dev);
reg = rtl818x_ioread8(priv, &priv->map->CMD);
reg &= ~RTL818X_CMD_TX_ENABLE;
@@ -686,7 +1203,7 @@ static void rtl8180_stop(struct ieee80211_hw *dev)
free_irq(priv->pdev->irq, dev);
rtl8180_free_rx_ring(dev);
- for (i = 0; i < 4; i++)
+ for (i = 0; i < (dev->queues + 1); i++)
rtl8180_free_tx_ring(dev, i);
}
@@ -794,6 +1311,123 @@ static int rtl8180_config(struct ieee80211_hw *dev, u32 changed)
return 0;
}
+static void rtl8187se_conf_ac_parm(struct ieee80211_hw *dev, u8 queue)
+{
+ const struct ieee80211_tx_queue_params *params;
+ struct rtl8180_priv *priv = dev->priv;
+
+ /* hw value */
+ u32 ac_param;
+
+ u8 aifs;
+ u8 txop;
+ u8 cw_min, cw_max;
+
+ params = &priv->queue_param[queue];
+
+ cw_min = fls(params->cw_min);
+ cw_max = fls(params->cw_max);
+
+ aifs = 10 + params->aifs * priv->slot_time;
+
+ /* TODO: check if txop HW is in us (mult by 32) */
+ txop = params->txop;
+
+ ac_param = txop << AC_PARAM_TXOP_LIMIT_SHIFT |
+ cw_max << AC_PARAM_ECW_MAX_SHIFT |
+ cw_min << AC_PARAM_ECW_MIN_SHIFT |
+ aifs << AC_PARAM_AIFS_SHIFT;
+
+ switch (queue) {
+ case IEEE80211_AC_BK:
+ rtl818x_iowrite32(priv, &priv->map->AC_BK_PARAM, ac_param);
+ break;
+ case IEEE80211_AC_BE:
+ rtl818x_iowrite32(priv, &priv->map->AC_BE_PARAM, ac_param);
+ break;
+ case IEEE80211_AC_VI:
+ rtl818x_iowrite32(priv, &priv->map->AC_VI_PARAM, ac_param);
+ break;
+ case IEEE80211_AC_VO:
+ rtl818x_iowrite32(priv, &priv->map->AC_VO_PARAM, ac_param);
+ break;
+ }
+}
+
+static int rtl8180_conf_tx(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct rtl8180_priv *priv = dev->priv;
+ u8 cw_min, cw_max;
+
+ /* nothing to do ? */
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180)
+ return 0;
+
+ cw_min = fls(params->cw_min);
+ cw_max = fls(params->cw_max);
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ priv->queue_param[queue] = *params;
+ rtl8187se_conf_ac_parm(dev, queue);
+ } else
+ rtl818x_iowrite8(priv, &priv->map->CW_VAL,
+ (cw_max << 4) | cw_min);
+ return 0;
+}
+
+static void rtl8180_conf_erp(struct ieee80211_hw *dev,
+ struct ieee80211_bss_conf *info)
+{
+ struct rtl8180_priv *priv = dev->priv;
+ u8 sifs, difs;
+ int eifs;
+ u8 hw_eifs;
+
+ /* TODO: should we do something ? */
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180)
+ return;
+
+ /* I _hope_ this means 10uS for the HW.
+ * In reference code it is 0x22 for
+ * both rtl8187L and rtl8187SE
+ */
+ sifs = 0x22;
+
+ if (info->use_short_slot)
+ priv->slot_time = 9;
+ else
+ priv->slot_time = 20;
+
+ /* 10 is SIFS time in uS */
+ difs = 10 + 2 * priv->slot_time;
+ eifs = 10 + difs + priv->ack_time;
+
+ /* HW should use 4uS units for EIFS (I'm sure for rtl8185)*/
+ hw_eifs = DIV_ROUND_UP(eifs, 4);
+
+
+ rtl818x_iowrite8(priv, &priv->map->SLOT, priv->slot_time);
+ rtl818x_iowrite8(priv, &priv->map->SIFS, sifs);
+ rtl818x_iowrite8(priv, &priv->map->DIFS, difs);
+
+ /* from reference code. set ack timeout reg = eifs reg */
+ rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, hw_eifs);
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ rtl818x_iowrite8(priv, &priv->map->EIFS_8187SE, hw_eifs);
+ else if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8185) {
+ /* rtl8187/rtl8185 HW bug. After EIFS is elapsed,
+ * the HW still wait for DIFS.
+ * HW uses 4uS units for EIFS.
+ */
+ hw_eifs = DIV_ROUND_UP(eifs - difs, 4);
+
+ rtl818x_iowrite8(priv, &priv->map->EIFS, hw_eifs);
+ }
+}
+
static void rtl8180_bss_info_changed(struct ieee80211_hw *dev,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
@@ -818,11 +1452,40 @@ static void rtl8180_bss_info_changed(struct ieee80211_hw *dev,
reg = RTL818X_MSR_INFRA;
} else
reg = RTL818X_MSR_NO_LINK;
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ reg |= RTL818X_MSR_ENEDCA;
+
rtl818x_iowrite8(priv, &priv->map->MSR, reg);
}
- if (changed & BSS_CHANGED_ERP_SLOT && priv->rf->conf_erp)
- priv->rf->conf_erp(dev, info);
+ if (changed & BSS_CHANGED_BASIC_RATES)
+ rtl8180_conf_basic_rates(dev, info->basic_rates);
+
+ if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_ERP_PREAMBLE)) {
+
+ /* when preamble changes, acktime duration changes, and erp must
+ * be recalculated. ACK time is calculated at lowest rate.
+ * Since mac80211 include SIFS time we remove it (-10)
+ */
+ priv->ack_time =
+ le16_to_cpu(ieee80211_generic_frame_duration(dev,
+ priv->vif,
+ IEEE80211_BAND_2GHZ, 10,
+ &priv->rates[0])) - 10;
+
+ rtl8180_conf_erp(dev, info);
+
+ /* mac80211 supplies aifs_n to driver and calls
+ * conf_tx callback whether aifs_n changes, NOT
+ * when aifs changes.
+ * Aifs should be recalculated if slot changes.
+ */
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ for (i = 0; i < 4; i++)
+ rtl8187se_conf_ac_parm(dev, i);
+ }
+ }
if (changed & BSS_CHANGED_BEACON_ENABLED)
vif_priv->enable_beacon = info->enable_beacon;
@@ -880,6 +1543,7 @@ static const struct ieee80211_ops rtl8180_ops = {
.remove_interface = rtl8180_remove_interface,
.config = rtl8180_config,
.bss_info_changed = rtl8180_bss_info_changed,
+ .conf_tx = rtl8180_conf_tx,
.prepare_multicast = rtl8180_prepare_multicast,
.configure_filter = rtl8180_configure_filter,
.get_tsf = rtl8180_get_tsf,
@@ -887,8 +1551,7 @@ static const struct ieee80211_ops rtl8180_ops = {
static void rtl8180_eeprom_register_read(struct eeprom_93cx6 *eeprom)
{
- struct ieee80211_hw *dev = eeprom->data;
- struct rtl8180_priv *priv = dev->priv;
+ struct rtl8180_priv *priv = eeprom->data;
u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
@@ -899,8 +1562,7 @@ static void rtl8180_eeprom_register_read(struct eeprom_93cx6 *eeprom)
static void rtl8180_eeprom_register_write(struct eeprom_93cx6 *eeprom)
{
- struct ieee80211_hw *dev = eeprom->data;
- struct rtl8180_priv *priv = dev->priv;
+ struct rtl8180_priv *priv = eeprom->data;
u8 reg = 2 << 6;
if (eeprom->reg_data_in)
@@ -917,6 +1579,83 @@ static void rtl8180_eeprom_register_write(struct eeprom_93cx6 *eeprom)
udelay(10);
}
+static void rtl8180_eeprom_read(struct rtl8180_priv *priv)
+{
+ struct eeprom_93cx6 eeprom;
+ int eeprom_cck_table_adr;
+ u16 eeprom_val;
+ int i;
+
+ eeprom.data = priv;
+ 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;
+ priv->rf_type = eeprom_val;
+
+ eeprom_93cx6_read(&eeprom, 0x17, &eeprom_val);
+ priv->csthreshold = eeprom_val >> 8;
+
+ eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)priv->mac_addr, 3);
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ eeprom_cck_table_adr = 0x30;
+ else
+ eeprom_cck_table_adr = 0x10;
+
+ /* CCK TX power */
+ for (i = 0; i < 14; i += 2) {
+ u16 txpwr;
+ eeprom_93cx6_read(&eeprom, eeprom_cck_table_adr + (i >> 1),
+ &txpwr);
+ priv->channels[i].hw_value = txpwr & 0xFF;
+ priv->channels[i + 1].hw_value = txpwr >> 8;
+ }
+
+ /* OFDM TX power */
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8180) {
+ 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;
+ }
+ }
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180) {
+ __le32 anaparam;
+ eeprom_93cx6_multiread(&eeprom, 0xD, (__le16 *)&anaparam, 2);
+ priv->anaparam = le32_to_cpu(anaparam);
+ eeprom_93cx6_read(&eeprom, 0x19, &priv->rfparam);
+ }
+
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
+ eeprom_93cx6_read(&eeprom, 0x3F, &eeprom_val);
+ priv->antenna_diversity_en = !!(eeprom_val & 0x100);
+ priv->antenna_diversity_default = (eeprom_val & 0xC00) == 0x400;
+
+ eeprom_93cx6_read(&eeprom, 0x7C, &eeprom_val);
+ priv->xtal_out = eeprom_val & 0xF;
+ priv->xtal_in = (eeprom_val & 0xF0) >> 4;
+ priv->xtal_cal = !!(eeprom_val & 0x1000);
+ priv->thermal_meter_val = (eeprom_val & 0xF00) >> 8;
+ priv->thermal_meter_en = !!(eeprom_val & 0x2000);
+ }
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+ RTL818X_EEPROM_CMD_NORMAL);
+}
+
static int rtl8180_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
@@ -924,12 +1663,9 @@ static int rtl8180_probe(struct pci_dev *pdev,
struct rtl8180_priv *priv;
unsigned long mem_addr, mem_len;
unsigned int io_addr, io_len;
- int err, i;
- struct eeprom_93cx6 eeprom;
+ int err;
const char *chip_name, *rf_name = NULL;
u32 reg;
- u16 eeprom_val;
- u8 mac_addr[ETH_ALEN];
err = pci_enable_device(pdev);
if (err) {
@@ -1011,7 +1747,6 @@ static int rtl8180_probe(struct pci_dev *pdev,
dev->vif_data_size = sizeof(struct rtl8180_vif);
dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
- dev->queues = 1;
dev->max_signal = 65;
reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
@@ -1019,43 +1754,55 @@ static int rtl8180_probe(struct pci_dev *pdev,
switch (reg) {
case RTL818X_TX_CONF_R8180_ABCD:
chip_name = "RTL8180";
+ priv->chip_family = RTL818X_CHIP_FAMILY_RTL8180;
break;
+
case RTL818X_TX_CONF_R8180_F:
chip_name = "RTL8180vF";
+ priv->chip_family = RTL818X_CHIP_FAMILY_RTL8180;
break;
+
case RTL818X_TX_CONF_R8185_ABC:
chip_name = "RTL8185";
+ priv->chip_family = RTL818X_CHIP_FAMILY_RTL8185;
break;
+
case RTL818X_TX_CONF_R8185_D:
chip_name = "RTL8185vD";
+ priv->chip_family = RTL818X_CHIP_FAMILY_RTL8185;
+ break;
+
+ case RTL818X_TX_CONF_RTL8187SE:
+ chip_name = "RTL8187SE";
+ priv->chip_family = RTL818X_CHIP_FAMILY_RTL8187SE;
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) {
+ /* we declare to MAC80211 all the queues except for beacon queue
+ * that will be eventually handled by DRV.
+ * TX rings are arranged in such a way that lower is the IDX,
+ * higher is the priority, in order to achieve direct mapping
+ * with mac80211, however the beacon queue is an exception and it
+ * is mapped on the highst tx ring IDX.
+ */
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ dev->queues = RTL8187SE_NR_TX_QUEUES - 1;
+ else
+ dev->queues = RTL8180_NR_TX_QUEUES - 1;
+
+ if (priv->chip_family != RTL818X_CHIP_FAMILY_RTL8180) {
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);
+ rtl8180_eeprom_read(priv);
- eeprom_93cx6_read(&eeprom, 0x06, &eeprom_val);
- eeprom_val &= 0xFF;
- switch (eeprom_val) {
+ switch (priv->rf_type) {
case 1: rf_name = "Intersil";
break;
case 2: rf_name = "RFMD";
@@ -1066,14 +1813,18 @@ static int rtl8180_probe(struct pci_dev *pdev,
break;
case 5: priv->rf = &grf5101_rf_ops;
break;
- case 9: priv->rf = rtl8180_detect_rf(dev);
+ case 9:
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ priv->rf = rtl8187se_detect_rf(dev);
+ else
+ 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);
+ pci_name(pdev), priv->rf_type);
goto err_iounmap;
}
@@ -1083,42 +1834,12 @@ static int rtl8180_probe(struct pci_dev *pdev,
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 *)mac_addr, 3);
- if (!is_valid_ether_addr(mac_addr)) {
+ if (!is_valid_ether_addr(priv->mac_addr)) {
printk(KERN_WARNING "%s (rtl8180): Invalid hwaddr! Using"
" randomly generated MAC addr\n", pci_name(pdev));
- eth_random_addr(mac_addr);
- }
- SET_IEEE80211_PERM_ADDR(dev, mac_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;
- }
+ eth_random_addr(priv->mac_addr);
}
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+ SET_IEEE80211_PERM_ADDR(dev, priv->mac_addr);
spin_lock_init(&priv->lock);
@@ -1130,12 +1851,12 @@ static int rtl8180_probe(struct pci_dev *pdev,
}
wiphy_info(dev->wiphy, "hwaddr %pm, %s + %s\n",
- mac_addr, chip_name, priv->rf->name);
+ priv->mac_addr, chip_name, priv->rf->name);
return 0;
err_iounmap:
- iounmap(priv->map);
+ pci_iounmap(pdev, priv->map);
err_free_dev:
ieee80211_free_hw(dev);