diff options
| -rw-r--r-- | drivers/staging/vt6655/baseband.c | 145 | ||||
| -rw-r--r-- | drivers/staging/vt6655/baseband.h | 3 |
2 files changed, 142 insertions, 6 deletions
diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c index 7dd866e..5842206 100644 --- a/drivers/staging/vt6655/baseband.c +++ b/drivers/staging/vt6655/baseband.c @@ -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, diff --git a/drivers/staging/vt6655/baseband.h b/drivers/staging/vt6655/baseband.h index 6b43885..049e6b4 100644 --- a/drivers/staging/vt6655/baseband.h +++ b/drivers/staging/vt6655/baseband.h @@ -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); |
