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path: root/drivers/net/wireless/ath/ath5k/caps.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/caps.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/caps.c154
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 0000000..994169a
--- /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;
+}