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iwlwifi: phy db channel to tx power channel group 

Implement mapping of channel to TX power channel group,
for sending channel specific data before add context.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
David Spinadel 2012-03-15 11:22:31 +02:00 committed by Wey-Yi Guy
parent bfb45f5422
commit cfd8544e9e
2 changed files with 24 additions and 2 deletions
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20
drivers/net/wireless/iwlwifi/iwl-phy-db.c
View File

@ -228,8 +228,24 @@ static u16 channel_id_to_papd(u16 ch_id)
static u16 channel_id_to_txp(struct iwl_phy_db *phy_db, u16 ch_id)
{
/* TODO David*/
return 0;
struct iwl_phy_db_chg_txp *txp_chg;
int i;
u8 ch_index = ch_id_to_ch_index(ch_id);
if (ch_index == 0xff)
return 0xff;
for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++) {
txp_chg = (void *)phy_db->calib_ch_group_txp[i].data;
if (!txp_chg)
return 0xff;
/*
* Looking for the first channel group that its max channel is
* higher then wanted channel.
*/
if (le16_to_cpu(txp_chg->max_channel_idx) >= ch_index)
return i;
}
return 0xff;
}
int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,

6
drivers/net/wireless/iwlwifi/iwl-phy-db.h
View File

@ -108,6 +108,12 @@ enum iwl_phy_db_section_type {
IWL_PHY_DB_MAX
};
/* for parsing of tx power channel group data that comes from the firmware*/
struct iwl_phy_db_chg_txp {
__le32 space;
__le16 max_channel_idx;
} __packed;
struct iwl_phy_db *iwl_phy_db_init(struct iwl_shared *shrd);
void iwl_phy_db_free(struct iwl_phy_db *phy_db);