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path: root/drivers/staging/rtl8192u/r8192U_core.c
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Diffstat (limited to 'drivers/staging/rtl8192u/r8192U_core.c')
-rw-r--r--drivers/staging/rtl8192u/r8192U_core.c134
1 files changed, 75 insertions, 59 deletions
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 74d2d7767650..c833f180a63b 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -258,8 +258,11 @@ void write_cam(struct net_device *dev, u8 addr, u32 data)
u32 read_cam(struct net_device *dev, u8 addr)
{
+ u32 data;
+
write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff));
- return read_nic_dword(dev, 0xa8);
+ read_nic_dword(dev, 0xa8, &data);
+ return data;
}
void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
@@ -276,21 +279,22 @@ void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n", status);
}
-u8 read_nic_byte_E(struct net_device *dev, int indx)
+int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
{
int status;
- u8 data;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
- indx|0xfe00, 0, &data, 1, HZ / 2);
+ indx|0xfe00, 0, data, 1, HZ / 2);
- if (status < 0)
- netdev_err(dev, "read_nic_byte_E TimeOut! status: %d\n", status);
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
- return data;
+ return 0;
}
//as 92U has extend page from 4 to 16, so modify functions below.
void write_nic_byte(struct net_device *dev, int indx, u8 data)
@@ -349,28 +353,28 @@ void write_nic_dword(struct net_device *dev, int indx, u32 data)
-u8 read_nic_byte(struct net_device *dev, int indx)
+int read_nic_byte(struct net_device *dev, int indx, u8 *data)
{
- u8 data;
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
- (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2);
+ (indx&0xff)|0xff00, (indx>>8)&0x0f, data, 1, HZ / 2);
- if (status < 0)
- netdev_err(dev, "read_nic_byte TimeOut! status: %d\n", status);
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
- return data;
+ return 0;
}
-u16 read_nic_word(struct net_device *dev, int indx)
+int read_nic_word(struct net_device *dev, int indx, u16 *data)
{
- u16 data;
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
@@ -378,34 +382,36 @@ u16 read_nic_word(struct net_device *dev, int indx)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx&0xff)|0xff00, (indx>>8)&0x0f,
- &data, 2, HZ / 2);
+ data, 2, HZ / 2);
- if (status < 0)
- netdev_err(dev, "read_nic_word TimeOut! status: %d\n", status);
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
- return data;
+ return 0;
}
-u16 read_nic_word_E(struct net_device *dev, int indx)
+int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
{
- u16 data;
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
- indx|0xfe00, 0, &data, 2, HZ / 2);
+ indx|0xfe00, 0, data, 2, HZ / 2);
- if (status < 0)
- netdev_err(dev, "read_nic_word TimeOut! status: %d\n", status);
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
- return data;
+ return 0;
}
-u32 read_nic_dword(struct net_device *dev, int indx)
+int read_nic_dword(struct net_device *dev, int indx, u32 *data)
{
- u32 data;
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
@@ -414,12 +420,14 @@ u32 read_nic_dword(struct net_device *dev, int indx)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx&0xff)|0xff00, (indx>>8)&0x0f,
- &data, 4, HZ / 2);
+ data, 4, HZ / 2);
- if (status < 0)
- netdev_err(dev, "read_nic_dword TimeOut! status:%d\n", status);
+ if (status < 0) {
+ netdev_err(dev, "%s failure status: %d\n", __func__, status);
+ return status;
+ }
- return data;
+ return 0;
}
/* u8 read_phy_cck(struct net_device *dev, u8 adr); */
@@ -465,30 +473,37 @@ static int proc_get_registers(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
int i, n, max = 0xff;
+ u8 byte_rd;
seq_puts(m, "\n####################page 0##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
- for (i = 0; i < 16 && n <= max; i++, n++)
- seq_printf(m, "%2x ", read_nic_byte(dev, 0x000|n));
+ for (i = 0; i < 16 && n <= max; i++, n++) {
+ read_nic_byte(dev, 0x000|n, &byte_rd);
+ seq_printf(m, "%2x ", byte_rd);
+ }
}
seq_puts(m, "\n####################page 1##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
- for (i = 0; i < 16 && n <= max; i++, n++)
- seq_printf(m, "%2x ", read_nic_byte(dev, 0x100|n));
+ for (i = 0; i < 16 && n <= max; i++, n++) {
+ read_nic_byte(dev, 0x100|n, &byte_rd);
+ seq_printf(m, "%2x ", byte_rd);
+ }
}
seq_puts(m, "\n####################page 3##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
- for (i = 0; i < 16 && n <= max; i++, n++)
- seq_printf(m, "%2x ", read_nic_byte(dev, 0x300|n));
+ for (i = 0; i < 16 && n <= max; i++, n++) {
+ read_nic_byte(dev, 0x300|n, &byte_rd);
+ seq_printf(m, "%2x ", byte_rd);
+ }
}
seq_putc(m, '\n');
@@ -683,11 +698,11 @@ void dump_eprom(struct net_device *dev)
void rtl8192_set_mode(struct net_device *dev, int mode)
{
u8 ecmd;
- ecmd = read_nic_byte(dev, EPROM_CMD);
+ read_nic_byte(dev, EPROM_CMD, &ecmd);
ecmd = ecmd & ~EPROM_CMD_OPERATING_MODE_MASK;
ecmd = ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT);
- ecmd = ecmd & ~(1<<EPROM_CS_SHIFT);
- ecmd = ecmd & ~(1<<EPROM_CK_SHIFT);
+ ecmd = ecmd & ~EPROM_CS_BIT;
+ ecmd = ecmd & ~EPROM_CK_BIT;
write_nic_byte(dev, EPROM_CMD, ecmd);
}
@@ -697,7 +712,7 @@ void rtl8192_update_msr(struct net_device *dev)
struct r8192_priv *priv = ieee80211_priv(dev);
u8 msr;
- msr = read_nic_byte(dev, MSR);
+ read_nic_byte(dev, MSR, &msr);
msr &= ~MSR_LINK_MASK;
/* do not change in link_state != WLAN_LINK_ASSOCIATED.
@@ -810,7 +825,7 @@ void rtl8192_set_rxconf(struct net_device *dev)
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
u32 rxconf;
- rxconf = read_nic_dword(dev, RCR);
+ read_nic_dword(dev, RCR, &rxconf);
rxconf = rxconf & ~MAC_FILTER_MASK;
rxconf = rxconf | RCR_AMF;
rxconf = rxconf | RCR_ADF;
@@ -846,10 +861,6 @@ void rtl8192_set_rxconf(struct net_device *dev)
rxconf = rxconf | RCR_ONLYERLPKT;
write_nic_dword(dev, RCR, rxconf);
-
-#ifdef DEBUG_RX
- DMESG("rxconf: %x %x", rxconf, read_nic_dword(dev, RCR));
-#endif
}
//wait to be removed
void rtl8192_rx_enable(struct net_device *dev)
@@ -871,7 +882,7 @@ void rtl8192_rtx_disable(struct net_device *dev)
struct sk_buff *skb;
struct rtl8192_rx_info *info;
- cmd = read_nic_byte(dev, CMDR);
+ read_nic_byte(dev, CMDR, &cmd);
write_nic_byte(dev, CMDR, cmd & ~(CR_TE|CR_RE));
force_pci_posting(dev);
mdelay(10);
@@ -1352,7 +1363,7 @@ void rtl8192_beacon_stop(struct net_device *dev)
u8 msr, msrm, msr2;
struct r8192_priv *priv = ieee80211_priv(dev);
- msr = read_nic_byte(dev, MSR);
+ read_nic_byte(dev, MSR, &msr);
msrm = msr & MSR_LINK_MASK;
msr2 = msr & ~MSR_LINK_MASK;
@@ -2049,7 +2060,7 @@ void rtl8192_link_change(struct net_device *dev)
/*update timing params*/
if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
u32 reg = 0;
- reg = read_nic_dword(dev, RCR);
+ read_nic_dword(dev, RCR, &reg);
if (priv->ieee80211->state == IEEE80211_LINKED)
priv->ReceiveConfig = reg |= RCR_CBSSID;
else
@@ -2544,7 +2555,7 @@ static void rtl8192_get_eeprom_size(struct net_device *dev)
u16 curCR = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
- curCR = read_nic_word_E(dev, EPROM_CMD);
+ read_nic_word_E(dev, EPROM_CMD, &curCR);
RT_TRACE(COMP_EPROM, "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
//whether need I consider BIT5?
priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
@@ -2896,7 +2907,7 @@ void rtl8192_hwconfig(struct net_device *dev)
ratr_value &= ~(RATE_ALL_OFDM_2SS);
write_nic_dword(dev, RATR0, ratr_value);
write_nic_byte(dev, UFWP, 1);
- regTmp = read_nic_byte(dev, 0x313);
+ read_nic_byte(dev, 0x313, &regTmp);
regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
write_nic_dword(dev, RRSR, regRRSR);
@@ -2925,6 +2936,7 @@ bool rtl8192_adapter_start(struct net_device *dev)
u32 dwRegRead = 0;
bool init_status = true;
u8 SECR_value = 0x0;
+ u8 tmp;
RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
priv->Rf_Mode = RF_OP_By_SW_3wire;
//for ASIC power on sequence
@@ -2938,7 +2950,7 @@ bool rtl8192_adapter_start(struct net_device *dev)
priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
//config CPUReset Register
//Firmware Reset or not?
- dwRegRead = read_nic_dword(dev, CPU_GEN);
+ read_nic_dword(dev, CPU_GEN, &dwRegRead);
if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
dwRegRead |= CPU_GEN_SYSTEM_RESET; //do nothing here?
else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
@@ -2953,7 +2965,7 @@ bool rtl8192_adapter_start(struct net_device *dev)
//Loopback mode or not
priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
- dwRegRead = read_nic_dword(dev, CPU_GEN);
+ read_nic_dword(dev, CPU_GEN, &dwRegRead);
if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
dwRegRead = ((dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
@@ -2967,7 +2979,8 @@ bool rtl8192_adapter_start(struct net_device *dev)
udelay(500);
//xiong add for new bitfile:usb suspend reset pin set to 1. //do we need?
- write_nic_byte_E(dev, 0x5f, (read_nic_byte_E(dev, 0x5f)|0x20));
+ read_nic_byte_E(dev, 0x5f, &tmp);
+ write_nic_byte_E(dev, 0x5f, tmp|0x20);
//Set Hardware
rtl8192_hwconfig(dev);
@@ -3095,7 +3108,8 @@ bool rtl8192_adapter_start(struct net_device *dev)
if (priv->ResetProgress == RESET_TYPE_NORESET) {
//if D or C cut
- u8 tmpvalue = read_nic_byte(dev, 0x301);
+ u8 tmpvalue;
+ read_nic_byte(dev, 0x301, &tmpvalue);
if (tmpvalue == 0x03) {
priv->bDcut = TRUE;
RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
@@ -3156,8 +3170,9 @@ static struct net_device_stats *rtl8192_stats(struct net_device *dev)
bool HalTxCheckStuck819xUsb(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
- u16 RegTxCounter = read_nic_word(dev, 0x128);
+ u16 RegTxCounter;
bool bStuck = FALSE;
+ read_nic_word(dev, 0x128, &RegTxCounter);
RT_TRACE(COMP_RESET, "%s():RegTxCounter is %d,TxCounter is %d\n", __func__, RegTxCounter, priv->TxCounter);
if (priv->TxCounter == RegTxCounter)
bStuck = TRUE;
@@ -3204,10 +3219,11 @@ RESET_TYPE TxCheckStuck(struct net_device *dev)
bool HalRxCheckStuck819xUsb(struct net_device *dev)
{
- u16 RegRxCounter = read_nic_word(dev, 0x130);
+ u16 RegRxCounter;
struct r8192_priv *priv = ieee80211_priv(dev);
bool bStuck = FALSE;
static u8 rx_chk_cnt;
+ read_nic_word(dev, 0x130, &RegRxCounter);
RT_TRACE(COMP_RESET, "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__, RegRxCounter, priv->RxCounter);
// If rssi is small, we should check rx for long time because of bad rx.
// or maybe it will continuous silent reset every 2 seconds.
@@ -3494,7 +3510,7 @@ void CAM_read_entry(struct net_device *dev, u32 iIndex)
//Check polling bit is clear
while ((i--) >= 0) {
- ulStatus = read_nic_dword(dev, RWCAM);
+ read_nic_dword(dev, RWCAM, &ulStatus);
if (ulStatus & BIT31)
continue;
else
@@ -3502,7 +3518,7 @@ void CAM_read_entry(struct net_device *dev, u32 iIndex)
}
write_nic_dword(dev, RWCAM, target_command);
RT_TRACE(COMP_SEC, "CAM_read_entry(): WRITE A0: %x \n", target_command);
- target_content = read_nic_dword(dev, RCAMO);
+ read_nic_dword(dev, RCAMO, &target_content);
RT_TRACE(COMP_SEC, "CAM_read_entry(): WRITE A8: %x \n", target_content);
}
printk("\n");