Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 154 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath5k/caps.c b/drivers/net/wireless/ath/ath5k/caps.c
new file mode 100644
index 000000000..994169ad3
--- /dev/null
+++ b/drivers/net/wireless/ath/ath5k/caps.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
+ * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>
+ * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+/**************\
+* Capabilities *
+\**************/
+
+#include "ath5k.h"
+#include "reg.h"
+#include "debug.h"
+#include "../regd.h"
+
+/*
+ * Fill the capabilities struct
+ * TODO: Merge this with EEPROM code when we are done with it
+ */
+int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
+{
+	struct ath5k_capabilities *caps = &ah->ah_capabilities;
+	u16 ee_header;
+
+	/* Capabilities stored in the EEPROM */
+	ee_header = caps->cap_eeprom.ee_header;
+
+	if (ah->ah_version == AR5K_AR5210) {
+		/*
+		 * Set radio capabilities
+		 * (The AR5110 only supports the middle 5GHz band)
+		 */
+		caps->cap_range.range_5ghz_min = 5120;
+		caps->cap_range.range_5ghz_max = 5430;
+		caps->cap_range.range_2ghz_min = 0;
+		caps->cap_range.range_2ghz_max = 0;
+
+		/* Set supported modes */
+		__set_bit(AR5K_MODE_11A, caps->cap_mode);
+	} else {
+		/*
+		 * XXX The transceiver supports frequencies from 4920 to 6100MHz
+		 * XXX and from 2312 to 2732MHz. There are problems with the
+		 * XXX current ieee80211 implementation because the IEEE
+		 * XXX channel mapping does not support negative channel
+		 * XXX numbers (2312MHz is channel -19). Of course, this
+		 * XXX doesn't matter because these channels are out of the
+		 * XXX legal range.
+		 */
+
+		/*
+		 * Set radio capabilities
+		 */
+
+		if (AR5K_EEPROM_HDR_11A(ee_header)) {
+			if (ath_is_49ghz_allowed(caps->cap_eeprom.ee_regdomain))
+				caps->cap_range.range_5ghz_min = 4920;
+			else
+				caps->cap_range.range_5ghz_min = 5005;
+			caps->cap_range.range_5ghz_max = 6100;
+
+			/* Set supported modes */
+			__set_bit(AR5K_MODE_11A, caps->cap_mode);
+		}
+
+		/* Enable  802.11b if a 2GHz capable radio (2111/5112) is
+		 * connected */
+		if (AR5K_EEPROM_HDR_11B(ee_header) ||
+		    (AR5K_EEPROM_HDR_11G(ee_header) &&
+		     ah->ah_version != AR5K_AR5211)) {
+			/* 2312 */
+			caps->cap_range.range_2ghz_min = 2412;
+			caps->cap_range.range_2ghz_max = 2732;
+
+			/* Override 2GHz modes on SoCs that need it
+			 * NOTE: cap_needs_2GHz_ovr gets set from
+			 * ath_ahb_probe */
+			if (!caps->cap_needs_2GHz_ovr) {
+				if (AR5K_EEPROM_HDR_11B(ee_header))
+					__set_bit(AR5K_MODE_11B,
+							caps->cap_mode);
+
+				if (AR5K_EEPROM_HDR_11G(ee_header) &&
+				ah->ah_version != AR5K_AR5211)
+					__set_bit(AR5K_MODE_11G,
+							caps->cap_mode);
+			}
+		}
+	}
+
+	if ((ah->ah_radio_5ghz_revision & 0xf0) == AR5K_SREV_RAD_2112)
+		__clear_bit(AR5K_MODE_11A, caps->cap_mode);
+
+	/* Set number of supported TX queues */
+	if (ah->ah_version == AR5K_AR5210)
+		caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES_NOQCU;
+	else
+		caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES;
+
+	/* Newer hardware has PHY error counters */
+	if (ah->ah_mac_srev >= AR5K_SREV_AR5213A)
+		caps->cap_has_phyerr_counters = true;
+	else
+		caps->cap_has_phyerr_counters = false;
+
+	/* MACs since AR5212 have MRR support */
+	if (ah->ah_version == AR5K_AR5212)
+		caps->cap_has_mrr_support = true;
+	else
+		caps->cap_has_mrr_support = false;
+
+	return 0;
+}
+
+/*
+ * TODO: Following functions should be part of a new function
+ * set_capability
+ */
+
+int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid,
+		u16 assoc_id)
+{
+	if (ah->ah_version == AR5K_AR5210) {
+		AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1,
+			AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);
+		return 0;
+	}
+
+	return -EIO;
+}
+
+int ath5k_hw_disable_pspoll(struct ath5k_hw *ah)
+{
+	if (ah->ah_version == AR5K_AR5210) {
+		AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1,
+			AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);
+		return 0;
+	}
+
+	return -EIO;
+}