system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-11-05 18:23:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

iwlwifi: more generic name for rssi calc in iwlagn

Browse source 
Change the define to more generic naming to match _agn devices
since the rssi calculation are common function for 5000 series and up

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Wey-Yi Guy 2010-08-04 08:42:17 -07:00 committed by John W. Linville
parent 30c1b0f7e9
commit 7ccc896f4c
2 changed files with 29 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
View file

@ -235,13 +235,13 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv,
/* data from PHY/DSP regarding signal strength, etc.,
* contents are always there, not configurable by host
*/
struct iwl5000_non_cfg_phy *ncphy =
(struct iwl5000_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
struct iwlagn_non_cfg_phy *ncphy =
(struct iwlagn_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
u32 val, rssi_a, rssi_b, rssi_c, max_rssi;
u8 agc;
val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_AGC_IDX]);
agc = (val & IWL50_OFDM_AGC_MSK) >> IWL50_OFDM_AGC_BIT_POS;
val = le32_to_cpu(ncphy->non_cfg_phy[IWLAGN_RX_RES_AGC_IDX]);
agc = (val & IWLAGN_OFDM_AGC_MSK) >> IWLAGN_OFDM_AGC_BIT_POS;
/* Find max rssi among 3 possible receivers.
* These values are measured by the digital signal processor (DSP).
@ -249,11 +249,14 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv,
* if the radio's automatic gain control (AGC) is working right.
* AGC value (see below) will provide the "interesting" info.
*/
val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_AB_IDX]);
rssi_a = (val & IWL50_OFDM_RSSI_A_MSK) >> IWL50_OFDM_RSSI_A_BIT_POS;
rssi_b = (val & IWL50_OFDM_RSSI_B_MSK) >> IWL50_OFDM_RSSI_B_BIT_POS;
val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_C_IDX]);
rssi_c = (val & IWL50_OFDM_RSSI_C_MSK) >> IWL50_OFDM_RSSI_C_BIT_POS;
val = le32_to_cpu(ncphy->non_cfg_phy[IWLAGN_RX_RES_RSSI_AB_IDX]);
rssi_a = (val & IWLAGN_OFDM_RSSI_INBAND_A_BITMSK) >>
IWLAGN_OFDM_RSSI_A_BIT_POS;
rssi_b = (val & IWLAGN_OFDM_RSSI_INBAND_B_BITMSK) >>
IWLAGN_OFDM_RSSI_B_BIT_POS;
val = le32_to_cpu(ncphy->non_cfg_phy[IWLAGN_RX_RES_RSSI_C_IDX]);
rssi_c = (val & IWLAGN_OFDM_RSSI_INBAND_C_BITMSK) >>
IWLAGN_OFDM_RSSI_C_BIT_POS;
max_rssi = max_t(u32, rssi_a, rssi_b);
max_rssi = max_t(u32, max_rssi, rssi_c);

31
drivers/net/wireless/iwlwifi/iwl-commands.h
View file

@ -1367,21 +1367,24 @@ struct iwl4965_rx_non_cfg_phy {
} __packed;
#define IWL50_RX_RES_PHY_CNT 8
#define IWL50_RX_RES_AGC_IDX 1
#define IWL50_RX_RES_RSSI_AB_IDX 2
#define IWL50_RX_RES_RSSI_C_IDX 3
#define IWL50_OFDM_AGC_MSK 0xfe00
#define IWL50_OFDM_AGC_BIT_POS 9
#define IWL50_OFDM_RSSI_A_MSK 0x00ff
#define IWL50_OFDM_RSSI_A_BIT_POS 0
#define IWL50_OFDM_RSSI_B_MSK 0xff0000
#define IWL50_OFDM_RSSI_B_BIT_POS 16
#define IWL50_OFDM_RSSI_C_MSK 0x00ff
#define IWL50_OFDM_RSSI_C_BIT_POS 0
#define IWLAGN_RX_RES_PHY_CNT 8
#define IWLAGN_RX_RES_AGC_IDX 1
#define IWLAGN_RX_RES_RSSI_AB_IDX 2
#define IWLAGN_RX_RES_RSSI_C_IDX 3
#define IWLAGN_OFDM_AGC_MSK 0xfe00
#define IWLAGN_OFDM_AGC_BIT_POS 9
#define IWLAGN_OFDM_RSSI_INBAND_A_BITMSK 0x00ff
#define IWLAGN_OFDM_RSSI_ALLBAND_A_BITMSK 0xff00
#define IWLAGN_OFDM_RSSI_A_BIT_POS 0
#define IWLAGN_OFDM_RSSI_INBAND_B_BITMSK 0xff0000
#define IWLAGN_OFDM_RSSI_ALLBAND_B_BITMSK 0xff000000
#define IWLAGN_OFDM_RSSI_B_BIT_POS 16
#define IWLAGN_OFDM_RSSI_INBAND_C_BITMSK 0x00ff
#define IWLAGN_OFDM_RSSI_ALLBAND_C_BITMSK 0xff00
#define IWLAGN_OFDM_RSSI_C_BIT_POS 0
struct iwl5000_non_cfg_phy {
__le32 non_cfg_phy[IWL50_RX_RES_PHY_CNT]; /* up to 8 phy entries */
struct iwlagn_non_cfg_phy {
__le32 non_cfg_phy[IWLAGN_RX_RES_PHY_CNT]; /* up to 8 phy entries */
} __packed;