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Re: [PATCH 2/5 V2] b43: N-PHY: implement and add multi-dimensional table writing

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2010/1/18 Rafał Miłecki <zajec5@xxxxxxxxx>:
> Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx>
> ---
> V2: updated to apply without fuzz

Actually, you do not need to do that - offset or fuzzy patches will
still be applied cleanly AFAIK, without any intervention.
(John, correct me if I'm wrong here...)

> ---
>  drivers/net/wireless/b43/phy_n.c       |   58
> ++++++++++++++------------------
>  drivers/net/wireless/b43/tables_nphy.c |   40 ++++++++++++++++++++++
>  drivers/net/wireless/b43/tables_nphy.h |    2 +
>  3 files changed, 67 insertions(+), 33 deletions(-)
>
> diff --git a/drivers/net/wireless/b43/phy_n.c
> b/drivers/net/wireless/b43/phy_n.c
> index 16f1f9b..6b200e5 100644
> --- a/drivers/net/wireless/b43/phy_n.c
> +++ b/drivers/net/wireless/b43/phy_n.c
> @@ -1699,8 +1699,7 @@ static void b43_nphy_restore_cal(struct b43_wldev
> *dev)
>                loft = &nphy->cal_cache.txcal_coeffs_5G[5];
>        }
>
> -       /* TODO: Write an N PHY table with ID 15, length 4, offset 80,
> -               width 16, and data from table */
> +       b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
>
>        for (i = 0; i < 4; i++) {
>                if (dev->phy.rev >= 3)
> @@ -1709,12 +1708,9 @@ static void b43_nphy_restore_cal(struct b43_wldev
> *dev)
>                        coef[i] = 0;
>        }
>
> -       /* TODO: Write an N PHY table with ID 15, length 4, offset 88,
> -               width 16, and data from coef */
> -       /* TODO: Write an N PHY table with ID 15, length 2, offset 85,
> -               width 16 and data from loft */
> -       /* TODO: Write an N PHY table with ID 15, length 2, offset 93,
> -               width 16 and data from loft */
> +       b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
> +       b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
> +       b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
>
>        if (dev->phy.rev < 2)
>                b43_nphy_tx_iq_workaround(dev);
> @@ -1782,8 +1778,8 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev
> *dev,
>                b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
>                gain[i] = params[i].cal_gain;
>        }
> -       /* TODO: Write an N PHY Table with ID 7, length 2, offset 0x110,
> -               width 16, and data pointer gain */
> +
> +       b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
>
>        b43_nphy_tx_cal_radio_setup(dev);
>        b43_nphy_tx_cal_phy_setup(dev);
> @@ -1833,8 +1829,7 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev
> *dev,
>                        }
>                }
>
> -               /* TODO: Write an N PHY Table with ID 15, length from above,
> -                       offset 64, width 16, and the data pointer from above
> */
> +               b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
>
>                if (full) {
>                        if (dev->phy.rev >= 3)
> @@ -1902,9 +1897,8 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev
> *dev,
>                        /* TODO: Read an N PHY Table with ID 15,
>                                length table_length, offset 96, width 16,
>                                and data pointer buffer */
> -                       /* TODO: Write an N PHY Table with ID 15,
> -                               length table_length, offset 64, width 16,
> -                               and data pointer buffer */
> +                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
> +                                               buffer);
>
>                        if (type == 1 || type == 3 || type == 4)
>                                buffer[0] = diq_start;
> @@ -1916,8 +1910,7 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev
> *dev,
>                last = (dev->phy.rev < 3) ? 6 : 7;
>
>                if (!mphase || nphy->mphase_cal_phase_id == last) {
> -                       /* TODO: Write an N PHY Table with ID 15, length 4,
> -                               offset 96, width 16, and data pointer buffer
> */
> +                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4,
> buffer);
>                        /* TODO: Read an N PHY Table with ID 15, length 4,
>                                offset 80, width 16, and data pointer buffer
> */
>                        if (dev->phy.rev < 3) {
> @@ -1926,14 +1919,14 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev
> *dev,
>                                buffer[2] = 0;
>                                buffer[3] = 0;
>                        }
> -                       /* TODO: Write an N PHY Table with ID 15, length 4,
> -                               offset 88, width 16, and data pointer buffer
> */
> -                       /* TODO: Read an N PHY Table with ID 15, length 2,
> -                               offset 101, width 16, and data pointer
> buffer*/
> -                       /* TODO: Write an N PHY Table with ID 15, length 2,
> -                               offset 85, width 16, and data pointer buffer
> */
> -                       /* TODO: Write an N PHY Table with ID 15, length 2,
> -                               offset 93, width 16, and data pointer buffer
> */
> +                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
> +                                               buffer);
> +                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 101), 2,
> +                                               buffer);
> +                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
> +                                               buffer);
> +                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
> +                                               buffer);
>                        length = 11;
>                        if (dev->phy.rev < 3)
>                                length -= 2;
> @@ -1957,8 +1950,7 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev
> *dev,
>        }
>
>        b43_nphy_tx_cal_phy_cleanup(dev);
> -       /* TODO: Write an N PHY Table with ID 7, length 2, offset 0x110,
> -               width 16, and data from save */
> +       b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
>
>        if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id ==
> last))
>                b43_nphy_tx_iq_workaround(dev);
> @@ -2008,8 +2000,7 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev
> *dev,
>                b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
>                cal_gain[i] = cal_params[i].cal_gain;
>        }
> -       /* TODO: Write an N PHY Table with ID 7, length 2, offset 0x110,
> -               width 16, and data from cal_gain */
> +       b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
>
>        for (i = 0; i < 2; i++) {
>                if (i == 0) {
> @@ -2147,8 +2138,7 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev
> *dev,
>
>        /* TODO: Call N PHY RF Ctrl Override with 0x400, 0, 3, 1 as
> arguments*/
>        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
> -       /* TODO: Write an N PHY Table with ID 7, length 2, offset 0x110,
> -               width 16, and data from gain_save */
> +       b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
>
>        b43_nphy_stay_in_carrier_search(dev, 0);
>
> @@ -2290,8 +2280,10 @@ int b43_phy_initn(struct b43_wldev *dev)
>        if (phy->rev >= 3) {
>                /* TODO */
>        } else {
> -               /* TODO Write an N PHY table with ID 26, length 128, offset
> 192, width 32, and the data from Rev 2 TX Power Control Table */
> -               /* TODO Write an N PHY table with ID 27, length 128, offset
> 192, width 32, and the data from Rev 2 TX Power Control Table */
> +               b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128,
> +                                       b43_ntab_tx_gain_rev0_1_2);
> +               b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128,
> +                                       b43_ntab_tx_gain_rev0_1_2);
>        }
>
>        if (nphy->phyrxchain != 3)
> diff --git a/drivers/net/wireless/b43/tables_nphy.c
> b/drivers/net/wireless/b43/tables_nphy.c
> index 7dff853..fc08be0 100644
> --- a/drivers/net/wireless/b43/tables_nphy.c
> +++ b/drivers/net/wireless/b43/tables_nphy.c
> @@ -2952,6 +2952,46 @@ void b43_ntab_write(struct b43_wldev *dev, u32
> offset, u32 value)
>        assert_ntab_array_sizes();
>  }
>
> +void b43_ntab_write_bulk(struct b43_wldev *dev, u32 offset,
> +                         unsigned int nr_elements, const void *_data)
> +{
> +       u32 type, value;
> +       const u8 *data = _data;
> +       unsigned int i;
> +
> +       type = offset & B43_NTAB_TYPEMASK;
> +       offset &= ~B43_NTAB_TYPEMASK;
> +       B43_WARN_ON(offset > 0xFFFF);
> +
> +       b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
> +
> +       for (i = 0; i < nr_elements; i++) {
> +               switch (type) {
> +               case B43_NTAB_8BIT:
> +                       value = *data;
> +                       data++;
> +                       B43_WARN_ON(value & ~0xFF);
> +                       b43_phy_write(dev, B43_NPHY_TABLE_DATALO, value);
> +                       break;
> +               case B43_NTAB_16BIT:
> +                       value = *((u16 *)data);
> +                       data += 2;
> +                       B43_WARN_ON(value & ~0xFFFF);
> +                       b43_phy_write(dev, B43_NPHY_TABLE_DATALO, value);
> +                       break;
> +               case B43_NTAB_32BIT:
> +                       value = *((u32 *)data);
> +                       data += 4;
> +                       b43_phy_write(dev, B43_NPHY_TABLE_DATAHI, value >>
> 16);
> +                       b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
> +                                       value & 0xFFFF);
> +                       break;
> +               default:
> +                       B43_WARN_ON(1);
> +               }
> +       }
> +}
> +
>  #define ntab_upload(dev, offset, data) do { \
>                unsigned int i;                                         \
>                for (i = 0; i < (offset##_SIZE); i++)                   \
> diff --git a/drivers/net/wireless/b43/tables_nphy.h
> b/drivers/net/wireless/b43/tables_nphy.h
> index 51636d0..d5605df 100644
> --- a/drivers/net/wireless/b43/tables_nphy.h
> +++ b/drivers/net/wireless/b43/tables_nphy.h
> @@ -143,6 +143,8 @@ b43_nphy_get_chantabent(struct b43_wldev *dev, u8
> channel);
>  #define B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3         12
>
>  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);
>
>  void b43_nphy_rev0_1_2_tables_init(struct b43_wldev *dev);
>  void b43_nphy_rev3plus_tables_init(struct b43_wldev *dev);
> --
> 1.6.4.2
>
> --
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