mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-14 12:37:32 +00:00
Code Issues Releases Wiki Activity

staging: vt6655: baseband add new function vnt_get_phy_field

Browse source 
This is a replacement for BBvCalculateParameter for getting
the phy fields via struct vnt_phy_field

This is a direct copy from the vt6656 driver.

BBvCalculateParameter will removed later.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2014-08-20 22:30:28 +01:00 committed by Greg Kroah-Hartman
parent edbae997a8
commit 10c174455a
2 changed files with 142 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

145
drivers/staging/vt6655/baseband.c
View file

@ -1810,17 +1810,150 @@ BBuGetFrameTime(
*
* Parameters:
* In:
* pDevice - Device Structure
* cbFrameLength - Tx Frame Length
* wRate - Tx Rate
* priv - Device Structure
* frame_length - Tx Frame Length
* tx_rate - Tx Rate
* Out:
* pwPhyLen - pointer to Phy Length field
* pbyPhySrv - pointer to Phy Service field
* pbyPhySgn - pointer to Phy Signal field
* struct vnt_phy_field *phy
* - pointer to Phy Length field
* - pointer to Phy Service field
* - pointer to Phy Signal field
*
* Return Value: none
*
*/
void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
u16 tx_rate, u8 pkt_type, struct vnt_phy_field *phy)
{
u32 bit_count;
u32 count = 0;
u32 tmp;
int ext_bit;
u8 preamble_type = priv->byPreambleType;
bit_count = frame_length * 8;
ext_bit = false;
switch (tx_rate) {
case RATE_1M:
count = bit_count;
phy->signal = 0x00;
break;
case RATE_2M:
count = bit_count / 2;
if (preamble_type == 1)
phy->signal = 0x09;
else
phy->signal = 0x01;
break;
case RATE_5M:
count = (bit_count * 10) / 55;
tmp = (count * 55) / 10;
if (tmp != bit_count)
count++;
if (preamble_type == 1)
phy->signal = 0x0a;
else
phy->signal = 0x02;
break;
case RATE_11M:
count = bit_count / 11;
tmp = count * 11;
if (tmp != bit_count) {
count++;
if ((bit_count - tmp) <= 3)
ext_bit = true;
}
if (preamble_type == 1)
phy->signal = 0x0b;
else
phy->signal = 0x03;
break;
case RATE_6M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9b;
else
phy->signal = 0x8b;
break;
case RATE_9M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9f;
else
phy->signal = 0x8f;
break;
case RATE_12M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9a;
else
phy->signal = 0x8a;
break;
case RATE_18M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9e;
else
phy->signal = 0x8e;
break;
case RATE_24M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x99;
else
phy->signal = 0x89;
break;
case RATE_36M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9d;
else
phy->signal = 0x8d;
break;
case RATE_48M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x98;
else
phy->signal = 0x88;
break;
case RATE_54M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9c;
else
phy->signal = 0x8c;
break;
default:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9c;
else
phy->signal = 0x8c;
break;
}
if (pkt_type == PK_TYPE_11B) {
phy->service = 0x00;
if (ext_bit)
phy->service |= 0x80;
phy->len = cpu_to_le16((u16)count);
} else {
phy->service = 0x00;
phy->len = cpu_to_le16((u16)frame_length);
}
}
void
BBvCalculateParameter(
struct vnt_private *pDevice,

3
drivers/staging/vt6655/baseband.h
View file

@ -87,6 +87,9 @@ BBvCalculateParameter(
unsigned char *pbyPhySgn
);
void vnt_get_phy_field(struct vnt_private *, u32 frame_length,
u16 tx_rate, u8 pkt_type, struct vnt_phy_field *);
bool BBbReadEmbedded(void __iomem *dwIoBase, unsigned char byBBAddr, unsigned char *pbyData);
bool BBbWriteEmbedded(void __iomem *dwIoBase, unsigned char byBBAddr, unsigned char byData);