[PATCH 3/5 V2] b43: N-PHY: implement and add reading one element tables

Rafał Miłecki
2010-01-17T23:21:25Z

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
V2: added missing reads after modification of 1/5
---
drivers/net/wireless/b43/phy_n.c | 18 +++++++-----------
drivers/net/wireless/b43/tables_nphy.c | 31 +++++++++++++++++++++++++++++++
drivers/net/wireless/b43/tables_nphy.h | 1 +
3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 6b200e5..6398656 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1628,12 +1628,11 @@ static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
b43_phy_mask(dev, B43_NPHY_BBCFG, ~B43_NPHY_BBCFG_RSTRX);

- /* TODO: Read an N PHY Table with ID 8, length 1, offset 3,
- width 16, and data pointing to tmp */
+ tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
regs[5] = tmp;
b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
- /* TODO: Read an N PHY Table with ID 8, length 1, offset 19,
- width 16, and data pointing to tmp */
+
+ tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
regs[6] = tmp;
b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
@@ -1653,13 +1652,11 @@ static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
regs[2] = tmp;
b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
- /* TODO: Read an N PHY Table with ID 8, length 1, offset 2,
- width 16, and data pointing to tmp */
+ tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
regs[3] = tmp;
tmp |= 0x2000;
b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
- /* TODO: Read an N PHY Table with ID 8, length 1, offset 18,
- width 16, and data pointer tmp */
+ tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
regs[4] = tmp;
tmp |= 0x2000;
b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
@@ -1877,9 +1874,8 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);

if (type == 1 || type == 3 || type == 4) {
- /* TODO: Read an N PHY Table with ID 15,
- length 1, offset 69 + core,
- width 16, and data pointer buffer */
+ buffer[0] = b43_ntab_read(dev,
+ B43_NTAB16(15, 69 + core));
diq_start = buffer[0];
buffer[0] = 0;
b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c
index fc08be0..b8aed45 100644
--- a/drivers/net/wireless/b43/tables_nphy.c
+++ b/drivers/net/wireless/b43/tables_nphy.c
@@ -2919,6 +2919,37 @@ static inline void assert_ntab_array_sizes(void)
#undef check
}

+u32 b43_ntab_read(struct b43_wldev *dev, u32 offset)
+{
+ u32 type, value;
+
+ type = offset & B43_NTAB_TYPEMASK;
+ offset &= ~B43_NTAB_TYPEMASK;
+ B43_WARN_ON(offset > 0xFFFF);
+
+ switch (type) {
+ case B43_NTAB_8BIT:
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_NPHY_TABLE_DATALO) & 0xFF;
+ break;
+ case B43_NTAB_16BIT:
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
+ break;
+ case B43_NTAB_32BIT:
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_NPHY_TABLE_DATAHI);
+ value <<= 16;
+ value |= b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
+ break;
+ default:
+ B43_WARN_ON(1);
+ value = 0;
+ }
+
+ return value;
+}
+
void b43_ntab_write(struct b43_wldev *dev, u32 offset, u32 value)
{
u32 type;
diff --git a/drivers/net/wireless/b43/tables_nphy.h b/drivers/net/wireless/b43/tables_nphy.h
index d5605df..64e990a 100644
--- a/drivers/net/wireless/b43/tables_nphy.h
+++ b/drivers/net/wireless/b43/tables_nphy.h
@@ -142,6 +142,7 @@ b43_nphy_get_chantabent(struct b43_wldev *dev, u8 channel);
#define B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL 10
#define B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3 12

+u32 b43_ntab_read(struct b43_wldev *dev, u32 offset);
void b43_ntab_write(struct b43_wldev *dev, u32 offset, u32 value);
void b43_ntab_write_bulk(struct b43_wldev *dev, u32 offset,
unsigned int nr_elements, const void *_data);
--
1.6.4.2