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Commit 33c68770 authored by Wey-Yi Guy's avatar Wey-Yi Guy
Browse files

iwlagn: More detail tx power logging 



For enhanced tx power table in EEPROM, add more detail logging
to help debugging

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
parent d058ff8b

drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c

+30 −10
Original line number Diff line number Diff line
@@ -203,15 +203,6 @@ static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv, 
{

	s8 max_txpower_avg = 0; /* (dBm) */



	IWL_DEBUG_EEPROM(priv, "%d - "

			"chain_a: %d dB chain_b: %d dB "

			"chain_c: %d dB mimo2: %d dB mimo3: %d dB\n",

			element,

			enhanced_txpower[element].chain_a_max >> 1,

			enhanced_txpower[element].chain_b_max >> 1,

			enhanced_txpower[element].chain_c_max >> 1,

			enhanced_txpower[element].mimo2_max >> 1,

			enhanced_txpower[element].mimo3_max >> 1);

	/* Take the highest tx power from any valid chains */

	if ((priv->cfg->valid_tx_ant & ANT_A) &&

	    (enhanced_txpower[element].chain_a_max > max_txpower_avg))
@@ -279,6 +270,9 @@ iwlcore_eeprom_enh_txp_read_element(struct iwl_priv *priv, 
#define EEPROM_TXP_ENTRY_LEN sizeof(struct iwl_eeprom_enhanced_txpwr)

#define EEPROM_TXP_SZ_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT_SIZE)



#define TXP_CHECK_AND_PRINT(x) ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) \

			    ? # x " " : "")



void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv)

{

	struct iwl_eeprom_enhanced_txpwr *txp_array, *txp;
@@ -293,13 +287,39 @@ void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv) 
	entries = le16_to_cpup(txp_len) * 2 / EEPROM_TXP_ENTRY_LEN;



	txp_array = (void *) iwlagn_eeprom_query_addr(priv, EEPROM_TXP_OFFS);



	for (idx = 0; idx < entries; idx++) {

		txp = &txp_array[idx];



		/* skip invalid entries */

		if (!(txp->flags & IWL_EEPROM_ENH_TXP_FL_VALID))

			continue;



		IWL_DEBUG_EEPROM(priv, "%s %d:\t %s%s%s%s%s%s%s%s (0x%02x)\n",

				 (txp->channel && (txp->flags &

					IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE)) ?

					"Common " : (txp->channel) ?

					"Channel" : "Common",

				 (txp->channel),

				 TXP_CHECK_AND_PRINT(VALID),

				 TXP_CHECK_AND_PRINT(BAND_52G),

				 TXP_CHECK_AND_PRINT(OFDM),

				 TXP_CHECK_AND_PRINT(40MHZ),

				 TXP_CHECK_AND_PRINT(HT_AP),

				 TXP_CHECK_AND_PRINT(RES1),

				 TXP_CHECK_AND_PRINT(RES2),

				 TXP_CHECK_AND_PRINT(COMMON_TYPE),

				 txp->flags);

		IWL_DEBUG_EEPROM(priv, "\t\t chain_A: 0x%02x "

				 "chain_B: 0X%02x chain_C: 0X%02x\n",

				 txp->chain_a_max, txp->chain_b_max,

				 txp->chain_c_max);

		IWL_DEBUG_EEPROM(priv, "\t\t MIMO2: 0x%02x "

				 "MIMO3: 0x%02x High 20_on_40: 0x%02x "

				 "Low 20_on_40: 0x%02x\n",

				 txp->mimo2_max, txp->mimo3_max,

				 ((txp->delta_20_in_40 & 0xf0) >> 4),

				 (txp->delta_20_in_40 & 0x0f));



		max_txp_avg = iwl_get_max_txpower_avg(priv, txp_array, idx,

						      &max_txp_avg_halfdbm);