Re: [RFC/RFT 3/9] ath9k_hw: define registers/macros to support Antenna diversity

[Vasanthakumar Thiagarajan <vasanth@atheros.com>]

On Thu, Apr 28, 2011 at 07:52:53PM +0530, Mohammed Shafi Shajakhan wrote:
> From: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
> 
> define few registers and macros to configure/enable Antenna diversity
> parameters in AR9485
> 
> Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
> ---
>  drivers/net/wireless/ath/ath9k/ar9003_phy.h |   31 ++++++++++++++++++++++++--
>  drivers/net/wireless/ath/ath9k/hw.h         |    3 ++
>  2 files changed, 31 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
> index 2a0d5cb..c4f409f 100644
> --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
> +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
> @@ -245,6 +245,9 @@
>   */
>  #define AR_BBB_BASE	0x9d00
>  
> +#define AR_BBB_SIG_DETECT_ANT_FAST_DIV			0x00002000
> +#define AR_BBB_SIG_DETECT_ANT_FAST_DIV_S		13
> +
>  /*
>   * AGC Register Map
>   */
> @@ -261,12 +264,37 @@
>  #define AR_PHY_EXT_CCA0         (AR_AGC_BASE + 0x20)
>  #define AR_PHY_RESTART          (AR_AGC_BASE + 0x24)
>  
> +/*
> + * Antenna Diversity  settings
> + */
>  #define AR_PHY_MC_GAIN_CTRL     (AR_AGC_BASE + 0x28)
>  #define AR_ANT_DIV_CTRL_ALL	0x7e000000
>  #define AR_ANT_DIV_CTRL_ALL_S	25
>  #define AR_ANT_DIV_ENABLE	0x1000000
>  #define AR_ANT_DIV_ENABLE_S	24
>  
> +#define AR_PHY_CCK_DETECT       (AR_AGC_BASE + 0x1c0)
> +#define AR_FAST_DIV_ENABLE	0x2000
> +#define AR_FAST_DIV_ENABLE_S	13

This can be in the original place as it is in order with the
register offset. This way we can avoid any possible duplication/bug
in register definition.

Vasanth