ath9k: Add support for more WOW patterns
Newer chips like WB222, WB335 support more than
8 user-configurable patterns. This patch adds
support for it by setting up the correct HW
registers.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_wow.c b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
index d2a4f6f..4b53d0b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_wow.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
@@ -100,9 +100,11 @@
if (pattern_count >= ah->wow.max_patterns)
return -ENOSPC;
- REG_SET_BIT(ah, AR_WOW_PATTERN, BIT(pattern_count));
+ if (pattern_count < MAX_NUM_PATTERN_LEGACY)
+ REG_SET_BIT(ah, AR_WOW_PATTERN, BIT(pattern_count));
+ else
+ REG_SET_BIT(ah, AR_MAC_PCU_WOW4, BIT(pattern_count - 8));
- /* set the registers for pattern */
for (i = 0; i < MAX_PATTERN_SIZE; i += 4) {
memcpy(&pattern_val, user_pattern, 4);
REG_WRITE(ah, (AR_WOW_TB_PATTERN(pattern_count) + i),
@@ -110,47 +112,39 @@
user_pattern += 4;
}
- /* set the registers for mask */
for (i = 0; i < MAX_PATTERN_MASK_SIZE; i += 4) {
memcpy(&mask_val, user_mask, 4);
REG_WRITE(ah, (AR_WOW_TB_MASK(pattern_count) + i), mask_val);
user_mask += 4;
}
- /* set the pattern length to be matched
- *
- * AR_WOW_LENGTH1_REG1
- * bit 31:24 pattern 0 length
- * bit 23:16 pattern 1 length
- * bit 15:8 pattern 2 length
- * bit 7:0 pattern 3 length
- *
- * AR_WOW_LENGTH1_REG2
- * bit 31:24 pattern 4 length
- * bit 23:16 pattern 5 length
- * bit 15:8 pattern 6 length
- * bit 7:0 pattern 7 length
- *
- * the below logic writes out the new
- * pattern length for the corresponding
- * pattern_count, while masking out the
- * other fields
- */
-
- ah->wow.wow_event_mask |= BIT(pattern_count + AR_WOW_PAT_FOUND_SHIFT);
+ if (pattern_count < MAX_NUM_PATTERN_LEGACY)
+ ah->wow.wow_event_mask |=
+ BIT(pattern_count + AR_WOW_PAT_FOUND_SHIFT);
+ else
+ ah->wow.wow_event_mask2 |=
+ BIT((pattern_count - 8) + AR_WOW_PAT_FOUND_SHIFT);
if (pattern_count < 4) {
- /* Pattern 0-3 uses AR_WOW_LENGTH1 register */
set = (pattern_len & AR_WOW_LENGTH_MAX) <<
AR_WOW_LEN1_SHIFT(pattern_count);
clr = AR_WOW_LENGTH1_MASK(pattern_count);
REG_RMW(ah, AR_WOW_LENGTH1, set, clr);
- } else {
- /* Pattern 4-7 uses AR_WOW_LENGTH2 register */
+ } else if (pattern_count < 8) {
set = (pattern_len & AR_WOW_LENGTH_MAX) <<
AR_WOW_LEN2_SHIFT(pattern_count);
clr = AR_WOW_LENGTH2_MASK(pattern_count);
REG_RMW(ah, AR_WOW_LENGTH2, set, clr);
+ } else if (pattern_count < 12) {
+ set = (pattern_len & AR_WOW_LENGTH_MAX) <<
+ AR_WOW_LEN3_SHIFT(pattern_count);
+ clr = AR_WOW_LENGTH3_MASK(pattern_count);
+ REG_RMW(ah, AR_WOW_LENGTH3, set, clr);
+ } else if (pattern_count < MAX_NUM_PATTERN) {
+ set = (pattern_len & AR_WOW_LENGTH_MAX) <<
+ AR_WOW_LEN4_SHIFT(pattern_count);
+ clr = AR_WOW_LENGTH4_MASK(pattern_count);
+ REG_RMW(ah, AR_WOW_LENGTH4, set, clr);
}
return 0;