Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / ath / ath5k / caps.c
diff --git a/kernel/drivers/net/wireless/ath/ath5k/caps.c b/kernel/drivers/net/wireless/ath/ath5k/caps.c
new file mode 100644 (file)
index 0000000..994169a
--- /dev/null
@@ -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;
+}