From: David Spinadel <david.spinadel@xxxxxxxxx>
Implement mapping of channel to TX power channel group,
for sending channel specific data before add context.
Signed-off-by: David Spinadel <david.spinadel@xxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-phy-db.c | 20 ++++++++++++++++++--
drivers/net/wireless/iwlwifi/iwl-phy-db.h | 6 ++++++
2 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-phy-db.c b/drivers/net/wireless/iwlwifi/iwl-phy-db.c
index d65305d..1a791af 100644
--- a/drivers/net/wireless/iwlwifi/iwl-phy-db.c
+++ b/drivers/net/wireless/iwlwifi/iwl-phy-db.c
@@ -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,
diff --git a/drivers/net/wireless/iwlwifi/iwl-phy-db.h b/drivers/net/wireless/iwlwifi/iwl-phy-db.h
index ba91a8b..5e86305 100644
--- a/drivers/net/wireless/iwlwifi/iwl-phy-db.h
+++ b/drivers/net/wireless/iwlwifi/iwl-phy-db.h
@@ -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);
--
1.7.0.4
--
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