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net/r8169: Update the function of parsing firmware 

Update rtl_phy_write_fw function. The new function could
parse the complex firmware which is used by RTL8111E and later.
The new firmware may read data and do some operations, not just
do writing only.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2011-01-10 02:07:25 +00:00 committed by David S. Miller
parent 96545aeb7b
commit 42b82dc19d
1 changed files with 111 additions and 13 deletions
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124
drivers/net/r8169.c
View File

@ -1632,36 +1632,134 @@ rtl_phy_write_fw(struct rtl8169_private *tp, const struct firmware *fw)
{
__le32 *phytable = (__le32 *)fw->data;
struct net_device *dev = tp->dev;
size_t i;
size_t index, fw_size = fw->size / sizeof(*phytable);
u32 predata, count;
if (fw->size % sizeof(*phytable)) {
netif_err(tp, probe, dev, "odd sized firmware %zd\n", fw->size);
return;
}
for (i = 0; i < fw->size / sizeof(*phytable); i++) {
u32 action = le32_to_cpu(phytable[i]);
for (index = 0; index < fw_size; index++) {
u32 action = le32_to_cpu(phytable[index]);
u32 regno = (action & 0x0fff0000) >> 16;
if (!action)
switch(action & 0xf0000000) {
case PHY_READ:
case PHY_DATA_OR:
case PHY_DATA_AND:
case PHY_READ_EFUSE:
case PHY_CLEAR_READCOUNT:
case PHY_WRITE:
case PHY_WRITE_PREVIOUS:
case PHY_DELAY_MS:
break;
if ((action & 0xf0000000) != PHY_WRITE) {
netif_err(tp, probe, dev,
"unknown action 0x%08x\n", action);
case PHY_BJMPN:
if (regno > index) {
netif_err(tp, probe, tp->dev,
"Out of range of firmware\n");
return;
}
break;
case PHY_READCOUNT_EQ_SKIP:
if (index + 2 >= fw_size) {
netif_err(tp, probe, tp->dev,
"Out of range of firmware\n");
return;
}
break;
case PHY_COMP_EQ_SKIPN:
case PHY_COMP_NEQ_SKIPN:
case PHY_SKIPN:
if (index + 1 + regno >= fw_size) {
netif_err(tp, probe, tp->dev,
"Out of range of firmware\n");
return;
}
break;
case PHY_READ_MAC_BYTE:
case PHY_WRITE_MAC_BYTE:
case PHY_WRITE_ERI_WORD:
default:
netif_err(tp, probe, tp->dev,
"Invalid action 0x%08x\n", action);
return;
}
}
while (i-- != 0) {
u32 action = le32_to_cpu(*phytable);
predata = 0;
count = 0;
for (index = 0; index < fw_size; ) {
u32 action = le32_to_cpu(phytable[index]);
u32 data = action & 0x0000ffff;
u32 reg = (action & 0x0fff0000) >> 16;
u32 regno = (action & 0x0fff0000) >> 16;
if (!action)
break;
switch(action & 0xf0000000) {
case PHY_WRITE:
rtl_writephy(tp, reg, data);
phytable++;
case PHY_READ:
predata = rtl_readphy(tp, regno);
count++;
index++;
break;
case PHY_DATA_OR:
predata |= data;
index++;
break;
case PHY_DATA_AND:
predata &= data;
index++;
break;
case PHY_BJMPN:
index -= regno;
break;
case PHY_READ_EFUSE:
predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
index++;
break;
case PHY_CLEAR_READCOUNT:
count = 0;
index++;
break;
case PHY_WRITE:
rtl_writephy(tp, regno, data);
index++;
break;
case PHY_READCOUNT_EQ_SKIP:
if (count == data)
index += 2;
else
index += 1;
break;
case PHY_COMP_EQ_SKIPN:
if (predata == data)
index += regno;
index++;
break;
case PHY_COMP_NEQ_SKIPN:
if (predata != data)
index += regno;
index++;
break;
case PHY_WRITE_PREVIOUS:
rtl_writephy(tp, regno, predata);
index++;
break;
case PHY_SKIPN:
index += regno + 1;
break;
case PHY_DELAY_MS:
mdelay(data);
index++;
break;
case PHY_READ_MAC_BYTE:
case PHY_WRITE_MAC_BYTE:
case PHY_WRITE_ERI_WORD:
default:
BUG();
}