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From: Felix Fietkau <nbd@openwrt.org>
To: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org
Subject: Re: [PATCH 11/26] ath9k_hw: Find chansel of AR_PHY_65NM_CH0_SYNTH7 from an array for AR9485
Date: Wed, 01 Dec 2010 17:45:31 +0100	[thread overview]
Message-ID: <4CF67BAB.60504@openwrt.org> (raw)
In-Reply-To: <1291188775-13707-12-git-send-email-vasanth@atheros.com>

On 2010-12-01 8:32 AM, Vasanthakumar Thiagarajan wrote:
> Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
> ---
>  drivers/net/wireless/ath/ath9k/ar9003_phy.c |   25 ++++++++++++++++++++++++-
>  1 files changed, 24 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
> index 4e35bda..4739af1 100644
> --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
> +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
> @@ -25,6 +25,24 @@ static const int cycpwrThr1_table[] =
>  /* level:  0   1   2   3   4   5   6   7   8  */
>  	{ -6, -4, -2,  0,  2,  4,  6,  8 };     /* lvl 0-7, default 3 */
>  
> +/* Chansel table used by ar9485 */
> +static const u32 ar9003_chansel_xtal_40M[] = {
> +	0xa0ccbe,
> +	0xa12213,
> +	0xa17769,
> +	0xa1ccbe,
> +	0xa22213,
> +	0xa27769,
> +	0xa2ccbe,
> +	0xa32213,
> +	0xa37769,
> +	0xa3ccbe,
> +	0xa42213,
> +	0xa47769,
> +	0xa4ccbe,
> +	0xa5998b,
> +};
> +
>  /*
>   * register values to turn OFDM weak signal detection OFF
>   */
> @@ -75,7 +93,12 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
>  	freq = centers.synth_center;
>  
>  	if (freq < 4800) {     /* 2 GHz, fractional mode */
> -		channelSel = CHANSEL_2G(freq);
> +		if (AR_SREV_9485(ah)) {
> +			int ichan = ieee80211_frequency_to_channel(freq);
> +
> +			channelSel = ar9003_chansel_xtal_40M[ichan - 1];
> +		} else
> +			channelSel = CHANSEL_2G(freq);
I looked at the values of this table, this is exactly the same as what
CHANSEL_2G() returns except that the table has an offset of -14.
Please use CHANSEL_2G(freq) - 14 for AR9485 and drop the table to avoid
adding more unnecessary hardcoded values.

- Felix

  reply	other threads:[~2010-12-01 16:45 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-01  7:32 [PATCH 00/26] Add support for AR9485 Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 01/26] ath9k_hw: Define hw version macros " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 02/26] ath9k_hw: Add initvals.h " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 03/26] ath9k_hw: Enable hw initialization " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 04/26] ath9k_hw: Initialize mode registers " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 05/26] ath9k_hw: Initialize tx/rx gain table from initvals.h " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 06/26] ath9k_hw: Eeeprom changes " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 07/26] ath9k_hw: Disable LDPC " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 08/26] ath9k: Disable TX STBC " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 09/26] ath9k: Enable extended synch for AR9485 to fix L0s recovery issue Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 10/26] ath9k: Configure pll control for AR9485 Vasanthakumar Thiagarajan
2010-12-01 16:39   ` Felix Fietkau
2010-12-02  5:05     ` Vasanthakumar Thiagarajan
2010-12-02  5:09       ` Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 11/26] ath9k_hw: Find chansel of AR_PHY_65NM_CH0_SYNTH7 from an array " Vasanthakumar Thiagarajan
2010-12-01 16:45   ` Felix Fietkau [this message]
2010-12-02  5:43     ` Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 12/26] ath9k_hw: Add a helper function to get spur channel pointer from cal data for AR9003 family Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 13/26] ath9k: Read spur channel information from eeprom for AR9485 Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 14/26] ath9k_hw: Configure xpa bias level " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 15/26] ath9k_hw: Read and configure antenna diversity control " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 16/26] ath9k_hw: Configure attenuation control only for chain 0 on AR9485 Vasanthakumar Thiagarajan
2010-12-01 16:50   ` Felix Fietkau
2010-12-02  5:13     ` Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 17/26] ath9k_hw: Configure internal regulator for AR9485 Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 18/26] ath9k_hw: Read and configure turnning caps to regulate freq accuracy Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 19/26] ath9k_hw: Configure power control only for chain 0 on AR9485 Vasanthakumar Thiagarajan
2010-12-01 16:51   ` Felix Fietkau
2010-12-01  7:32 ` [PATCH 20/26] ath9k_hw: Program appropriate chianmask for AR9485 before starting AGC/IQ cal Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 21/26] ath9k_hw: Define IQcal correction coefficient registers using index Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 22/26] ath9k_hw: Add IQ cal changes for AR9485 Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 23/26] ath9k_hw: Program appropriate register for temperature compensation cal " Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 24/26] ath9k_hw: Setup paprd only for chain 0 on AR9485 Vasanthakumar Thiagarajan
2010-12-01 16:52   ` Felix Fietkau
2010-12-01  7:32 ` [PATCH 25/26] ath9k_hw: Disable MRC CCK for AR9485 Vasanthakumar Thiagarajan
2010-12-01  7:32 ` [PATCH 26/26] ath9k: Add device id of AR9485 to pci table Vasanthakumar Thiagarajan
2010-12-01  7:52 ` [PATCH 00/26] Add support for AR9485 Luis R. Rodriguez
2010-12-01  8:36   ` Vasanthakumar Thiagarajan

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