[ath9k] Add ath9k driver

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 168 insertions, 0 deletions

diff --git a/src/drivers/net/ath/ath9k/ani.h b/src/drivers/net/ath/ath9k/ani.h
new file mode 100644
index 00000000..9a333b5f
--- /dev/null
+++ b/src/drivers/net/ath/ath9k/ani.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or 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.
+ */
+
+#ifndef ANI_H
+#define ANI_H
+
+#define HAL_PROCESS_ANI           0x00000001
+
+#define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI) && ah->curchan)
+
+#define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
+
+/* units are errors per second */
+#define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
+#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      1000
+
+/* units are errors per second */
+#define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
+#define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
+
+/* units are errors per second */
+#define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
+#define ATH9K_ANI_CCK_TRIG_HIGH_NEW       600
+
+/* units are errors per second */
+#define ATH9K_ANI_CCK_TRIG_LOW_OLD        100
+#define ATH9K_ANI_CCK_TRIG_LOW_NEW        300
+
+#define ATH9K_ANI_NOISE_IMMUNE_LVL        4
+#define ATH9K_ANI_USE_OFDM_WEAK_SIG       1
+#define ATH9K_ANI_CCK_WEAK_SIG_THR        0
+
+#define ATH9K_ANI_SPUR_IMMUNE_LVL_OLD     7
+#define ATH9K_ANI_SPUR_IMMUNE_LVL_NEW     3
+
+#define ATH9K_ANI_FIRSTEP_LVL_OLD         0
+#define ATH9K_ANI_FIRSTEP_LVL_NEW         2
+
+#define ATH9K_ANI_RSSI_THR_HIGH           40
+#define ATH9K_ANI_RSSI_THR_LOW            7
+
+#define ATH9K_ANI_PERIOD_OLD              100
+#define ATH9K_ANI_PERIOD_NEW              1000
+
+/* in ms */
+#define ATH9K_ANI_POLLINTERVAL_OLD        100
+#define ATH9K_ANI_POLLINTERVAL_NEW        1000
+
+#define HAL_NOISE_IMMUNE_MAX              4
+#define HAL_SPUR_IMMUNE_MAX               7
+#define HAL_FIRST_STEP_MAX                2
+
+#define ATH9K_SIG_FIRSTEP_SETTING_MIN     0
+#define ATH9K_SIG_FIRSTEP_SETTING_MAX     20
+#define ATH9K_SIG_SPUR_IMM_SETTING_MIN    0
+#define ATH9K_SIG_SPUR_IMM_SETTING_MAX    22
+
+#define ATH9K_ANI_ENABLE_MRC_CCK          1
+
+/* values here are relative to the INI */
+
+enum ath9k_ani_cmd {
+	ATH9K_ANI_PRESENT = 0x1,
+	ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
+	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
+	ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
+	ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
+	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
+	ATH9K_ANI_MODE = 0x40,
+	ATH9K_ANI_PHYERR_RESET = 0x80,
+	ATH9K_ANI_MRC_CCK = 0x100,
+	ATH9K_ANI_ALL = 0xfff
+};
+
+struct ath9k_mib_stats {
+	u32 ackrcv_bad;
+	u32 rts_bad;
+	u32 rts_good;
+	u32 fcs_bad;
+	u32 beacons;
+};
+
+/* INI default values for ANI registers */
+struct ath9k_ani_default {
+	u16 m1ThreshLow;
+	u16 m2ThreshLow;
+	u16 m1Thresh;
+	u16 m2Thresh;
+	u16 m2CountThr;
+	u16 m2CountThrLow;
+	u16 m1ThreshLowExt;
+	u16 m2ThreshLowExt;
+	u16 m1ThreshExt;
+	u16 m2ThreshExt;
+	u16 firstep;
+	u16 firstepLow;
+	u16 cycpwrThr1;
+	u16 cycpwrThr1Ext;
+};
+
+struct ar5416AniState {
+	struct ath9k_channel *c;
+	u8 noiseImmunityLevel;
+	u8 ofdmNoiseImmunityLevel;
+	u8 cckNoiseImmunityLevel;
+	int ofdmsTurn;
+	u8 mrcCCKOff;
+	u8 spurImmunityLevel;
+	u8 firstepLevel;
+	u8 ofdmWeakSigDetectOff;
+	u8 cckWeakSigThreshold;
+	u32 listenTime;
+	int32_t rssiThrLow;
+	int32_t rssiThrHigh;
+	u32 noiseFloor;
+	u32 ofdmPhyErrCount;
+	u32 cckPhyErrCount;
+	int16_t pktRssi[2];
+	int16_t ofdmErrRssi[2];
+	int16_t cckErrRssi[2];
+	struct ath9k_ani_default iniDef;
+};
+
+struct ar5416Stats {
+	u32 ast_ani_niup;
+	u32 ast_ani_nidown;
+	u32 ast_ani_spurup;
+	u32 ast_ani_spurdown;
+	u32 ast_ani_ofdmon;
+	u32 ast_ani_ofdmoff;
+	u32 ast_ani_cckhigh;
+	u32 ast_ani_ccklow;
+	u32 ast_ani_stepup;
+	u32 ast_ani_stepdown;
+	u32 ast_ani_ofdmerrs;
+	u32 ast_ani_cckerrs;
+	u32 ast_ani_reset;
+	u32 ast_ani_lzero;
+	u32 ast_ani_lneg;
+	u32 avgbrssi;
+	struct ath9k_mib_stats ast_mibstats;
+};
+#define ah_mibStats stats.ast_mibstats
+
+void ath9k_enable_mib_counters(struct ath_hw *ah);
+void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
+void ath9k_hw_ani_setup(struct ath_hw *ah);
+void ath9k_hw_ani_init(struct ath_hw *ah);
+int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
+				 struct ath9k_channel *chan);
+
+#endif /* ANI_H */