1 files changed, 350 insertions, 206 deletions

diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h
index 9102eea3c8bf..20018869051d 100644
--- a/drivers/net/wireless/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath5k/ath5k.h
@@ -18,18 +18,23 @@
 #ifndef _ATH5K_H
 #define _ATH5K_H
 
-/* Set this to 1 to disable regulatory domain restrictions for channel tests.
- * WARNING: This is for debuging only and has side effects (eg. scan takes too
- * long and results timeouts). It's also illegal to tune to some of the
- * supported frequencies in some countries, so use this at your own risk,
- * you've been warned. */
+/* TODO: Clean up channel debuging -doesn't work anyway- and start
+ * working on reg. control code using all available eeprom information
+ * -rev. engineering needed- */
 #define CHAN_DEBUG      0
 
 #include <linux/io.h>
 #include <linux/types.h>
 #include <net/mac80211.h>
 
-#include "hw.h"
+/* RX/TX descriptor hw structs
+ * TODO: Driver part should only see sw structs */
+#include "desc.h"
+
+/* EEPROM structs/offsets
+ * TODO: Make a more generic struct (eg. add more stuff to ath5k_capabilities)
+ * and clean up common bits, then introduce set/get functions in eeprom.c */
+#include "eeprom.h"
 
 /* PCI IDs */
 #define PCI_DEVICE_ID_ATHEROS_AR5210            0x0007 /* AR5210 */
@@ -87,7 +92,92 @@
         ATH5K_PRINTK_LIMIT(_sc, KERN_ERR, _fmt, ##__VA_ARGS__)
 
 /*
+ * AR5K REGISTER ACCESS
+ */
+
+/* Some macros to read/write fields */
+
+/* First shift, then mask */
+#define AR5K_REG_SM(_val, _flags)                                       \
+        (((_val) << _flags##_S) & (_flags))
+
+/* First mask, then shift */
+#define AR5K_REG_MS(_val, _flags)                                       \
+        (((_val) & (_flags)) >> _flags##_S)
+
+/* Some registers can hold multiple values of interest. For this
+ * reason when we want to write to these registers we must first
+ * retrieve the values which we do not want to clear (lets call this
+ * old_data) and then set the register with this and our new_value:
+ * ( old_data | new_value) */
+#define AR5K_REG_WRITE_BITS(ah, _reg, _flags, _val)                     \
+        ath5k_hw_reg_write(ah, (ath5k_hw_reg_read(ah, _reg) & ~(_flags)) | \
+            (((_val) << _flags##_S) & (_flags)), _reg)
+
+#define AR5K_REG_MASKED_BITS(ah, _reg, _flags, _mask)                   \
+        ath5k_hw_reg_write(ah, (ath5k_hw_reg_read(ah, _reg) &           \
+                        (_mask)) | (_flags), _reg)
+
+#define AR5K_REG_ENABLE_BITS(ah, _reg, _flags)                          \
+        ath5k_hw_reg_write(ah, ath5k_hw_reg_read(ah, _reg) | (_flags), _reg)
+
+#define AR5K_REG_DISABLE_BITS(ah, _reg, _flags)                 \
+        ath5k_hw_reg_write(ah, ath5k_hw_reg_read(ah, _reg) & ~(_flags), _reg)
+
+/* Access to PHY registers */
+#define AR5K_PHY_READ(ah, _reg)                                 \
+        ath5k_hw_reg_read(ah, (ah)->ah_phy + ((_reg) << 2))
+
+#define AR5K_PHY_WRITE(ah, _reg, _val)                                  \
+        ath5k_hw_reg_write(ah, _val, (ah)->ah_phy + ((_reg) << 2))
+
+/* Access QCU registers per queue */
+#define AR5K_REG_READ_Q(ah, _reg, _queue)                               \
+        (ath5k_hw_reg_read(ah, _reg) & (1 << _queue))                   \
+
+#define AR5K_REG_WRITE_Q(ah, _reg, _queue)                              \
+        ath5k_hw_reg_write(ah, (1 << _queue), _reg)
+
+#define AR5K_Q_ENABLE_BITS(_reg, _queue) do {                           \
+        _reg |= 1 << _queue;                                            \
+} while (0)
+
+#define AR5K_Q_DISABLE_BITS(_reg, _queue) do {                          \
+        _reg &= ~(1 << _queue);                                         \
+} while (0)
+
+/* Used while writing initvals */
+#define AR5K_REG_WAIT(_i) do {                                          \
+        if (_i % 64)                                                    \
+                udelay(1);                                              \
+} while (0)
+
+/* Register dumps are done per operation mode */
+#define AR5K_INI_RFGAIN_5GHZ            0
+#define AR5K_INI_RFGAIN_2GHZ            1
+
+/* TODO: Clean this up */
+#define AR5K_INI_VAL_11A                0
+#define AR5K_INI_VAL_11A_TURBO          1
+#define AR5K_INI_VAL_11B                2
+#define AR5K_INI_VAL_11G                3
+#define AR5K_INI_VAL_11G_TURBO          4
+#define AR5K_INI_VAL_XR                 0
+#define AR5K_INI_VAL_MAX                5
+
+#define AR5K_RF5111_INI_RF_MAX_BANKS    AR5K_MAX_RF_BANKS
+#define AR5K_RF5112_INI_RF_MAX_BANKS    AR5K_MAX_RF_BANKS
+
+/* Used for BSSID etc manipulation */
+#define AR5K_LOW_ID(_a)(                                \
+(_a)[0] | (_a)[1] << 8 | (_a)[2] << 16 | (_a)[3] << 24  \
+)
+
+#define AR5K_HIGH_ID(_a)        ((_a)[4] | (_a)[5] << 8)
+
+/*
  * Some tuneable values (these should be changeable by the user)
+ * TODO: Make use of them and add more options OR use debug/configfs
  */
 #define AR5K_TUNE_DMA_BEACON_RESP               2
 #define AR5K_TUNE_SW_BEACON_RESP                10
@@ -98,13 +188,13 @@
 #define AR5K_TUNE_REGISTER_TIMEOUT              20000
 /* Register for RSSI threshold has a mask of 0xff, so 255 seems to
  * be the max value. */
-#define AR5K_TUNE_RSSI_THRES                   129
+#define AR5K_TUNE_RSSI_THRES                    129
 /* This must be set when setting the RSSI threshold otherwise it can
  * prevent a reset. If AR5K_RSSI_THR is read after writing to it
  * the BMISS_THRES will be seen as 0, seems harware doesn't keep
  * track of it. Max value depends on harware. For AR5210 this is just 7.
  * For AR5211+ this seems to be up to 255. */
-#define AR5K_TUNE_BMISS_THRES                  7
+#define AR5K_TUNE_BMISS_THRES                   7
 #define AR5K_TUNE_REGISTER_DWELL_TIME           20000
 #define AR5K_TUNE_BEACON_INTERVAL               100
 #define AR5K_TUNE_AIFS                          2
@@ -123,6 +213,55 @@
 #define AR5K_TUNE_ANT_DIVERSITY                 true
 #define AR5K_TUNE_HWTXTRIES                     4
 
+#define AR5K_INIT_CARR_SENSE_EN                 1
+
+/*Swap RX/TX Descriptor for big endian archs*/
+#if defined(__BIG_ENDIAN)
+#define AR5K_INIT_CFG   (               \
+        AR5K_CFG_SWTD | AR5K_CFG_SWRD   \
+)
+#else
+#define AR5K_INIT_CFG   0x00000000
+#endif
+
+/* Initial values */
+#define AR5K_INIT_TX_LATENCY                    502
+#define AR5K_INIT_USEC                          39
+#define AR5K_INIT_USEC_TURBO                    79
+#define AR5K_INIT_USEC_32                       31
+#define AR5K_INIT_SLOT_TIME                     396
+#define AR5K_INIT_SLOT_TIME_TURBO               480
+#define AR5K_INIT_ACK_CTS_TIMEOUT               1024
+#define AR5K_INIT_ACK_CTS_TIMEOUT_TURBO         0x08000800
+#define AR5K_INIT_PROG_IFS                      920
+#define AR5K_INIT_PROG_IFS_TURBO                960
+#define AR5K_INIT_EIFS                          3440
+#define AR5K_INIT_EIFS_TURBO                    6880
+#define AR5K_INIT_SIFS                          560
+#define AR5K_INIT_SIFS_TURBO                    480
+#define AR5K_INIT_SH_RETRY                      10
+#define AR5K_INIT_LG_RETRY                      AR5K_INIT_SH_RETRY
+#define AR5K_INIT_SSH_RETRY                     32
+#define AR5K_INIT_SLG_RETRY                     AR5K_INIT_SSH_RETRY
+#define AR5K_INIT_TX_RETRY                      10
+
+#define AR5K_INIT_TRANSMIT_LATENCY              (                       \
+        (AR5K_INIT_TX_LATENCY << 14) | (AR5K_INIT_USEC_32 << 7) |       \
+        (AR5K_INIT_USEC)                                                \
+)
+#define AR5K_INIT_TRANSMIT_LATENCY_TURBO        (                       \
+        (AR5K_INIT_TX_LATENCY << 14) | (AR5K_INIT_USEC_32 << 7) |       \
+        (AR5K_INIT_USEC_TURBO)                                          \
+)
+#define AR5K_INIT_PROTO_TIME_CNTRL              (                       \
+        (AR5K_INIT_CARR_SENSE_EN << 26) | (AR5K_INIT_EIFS << 12) |      \
+        (AR5K_INIT_PROG_IFS)                                            \
+)
+#define AR5K_INIT_PROTO_TIME_CNTRL_TURBO        (                       \
+        (AR5K_INIT_CARR_SENSE_EN << 26) | (AR5K_INIT_EIFS_TURBO << 12) | \
+        (AR5K_INIT_PROG_IFS_TURBO)                                      \
+)
+
 /* token to use for aifs, cwmin, cwmax in MadWiFi */
 #define AR5K_TXQ_USEDEFAULT     ((u32) -1)
 
@@ -196,7 +335,6 @@ struct ath5k_srev_name {
 #define AR5K_SREV_RAD_5133      0xc0    /* MIMO found on 5418 */
 
 /* IEEE defs */
-
 #define IEEE80211_MAX_LEN       2500
 
 /* TODO add support to mac80211 for vendor-specific rates and modes */
@@ -268,21 +406,13 @@ enum ath5k_driver_mode {
         AR5K_MODE_MAX           =       5
 };
 
-/* adding this flag to rate_code enables short preamble, see ar5212_reg.h */
-#define AR5K_SET_SHORT_PREAMBLE 0x04
-
-#define HAS_SHPREAMBLE(_ix) \
-        (rt->rates[_ix].modulation == IEEE80211_RATE_SHORT_PREAMBLE)
-#define SHPREAMBLE_FLAG(_ix) \
-        (HAS_SHPREAMBLE(_ix) ? AR5K_SET_SHORT_PREAMBLE : 0)
-
 
 /****************\
   TX DEFINITIONS
 \****************/
 
 /*
- * TX Status
+ * TX Status descriptor
  */
 struct ath5k_tx_status {
         u16     ts_seqnum;
@@ -354,7 +484,6 @@ enum ath5k_tx_queue_id {
         AR5K_TX_QUEUE_ID_XR_DATA        = 9,
 };
 
-
 /*
  * Flags to set hw queue's parameters...
  */
@@ -387,7 +516,8 @@ struct ath5k_txq_info {
 
 /*
  * Transmit packet types.
- * These are not fully used inside OpenHAL yet
+ * used on tx control descriptor
+ * TODO: Use them inside base.c corectly
  */
 enum ath5k_pkt_type {
         AR5K_PKT_TYPE_NORMAL            = 0,
@@ -430,7 +560,7 @@ enum ath5k_dmasize {
 \****************/
 
 /*
- * RX Status
+ * RX Status descriptor
  */
 struct ath5k_rx_status {
         u16     rs_datalen;
@@ -494,34 +624,59 @@ struct ath5k_beacon_state {
 #define TSF_TO_TU(_tsf) (u32)((_tsf) >> 10)
 
 
+/*******************************\
+  GAIN OPTIMIZATION DEFINITIONS
+\*******************************/
+
+enum ath5k_rfgain {
+        AR5K_RFGAIN_INACTIVE = 0,
+        AR5K_RFGAIN_READ_REQUESTED,
+        AR5K_RFGAIN_NEED_CHANGE,
+};
+
+#define AR5K_GAIN_CRN_FIX_BITS_5111             4
+#define AR5K_GAIN_CRN_FIX_BITS_5112             7
+#define AR5K_GAIN_CRN_MAX_FIX_BITS              AR5K_GAIN_CRN_FIX_BITS_5112
+#define AR5K_GAIN_DYN_ADJUST_HI_MARGIN          15
+#define AR5K_GAIN_DYN_ADJUST_LO_MARGIN          20
+#define AR5K_GAIN_CCK_PROBE_CORR                5
+#define AR5K_GAIN_CCK_OFDM_GAIN_DELTA           15
+#define AR5K_GAIN_STEP_COUNT                    10
+#define AR5K_GAIN_PARAM_TX_CLIP                 0
+#define AR5K_GAIN_PARAM_PD_90                   1
+#define AR5K_GAIN_PARAM_PD_84                   2
+#define AR5K_GAIN_PARAM_GAIN_SEL                3
+#define AR5K_GAIN_PARAM_MIX_ORN                 0
+#define AR5K_GAIN_PARAM_PD_138                  1
+#define AR5K_GAIN_PARAM_PD_137                  2
+#define AR5K_GAIN_PARAM_PD_136                  3
+#define AR5K_GAIN_PARAM_PD_132                  4
+#define AR5K_GAIN_PARAM_PD_131                  5
+#define AR5K_GAIN_PARAM_PD_130                  6
+#define AR5K_GAIN_CHECK_ADJUST(_g)              \
+        ((_g)->g_current <= (_g)->g_low || (_g)->g_current >= (_g)->g_high)
+
+struct ath5k_gain_opt_step {
+        s16                             gos_param[AR5K_GAIN_CRN_MAX_FIX_BITS];
+        s32                             gos_gain;
+};
+
+struct ath5k_gain {
+        u32                     g_step_idx;
+        u32                     g_current;
+        u32                     g_target;
+        u32                     g_low;
+        u32                     g_high;
+        u32                     g_f_corr;
+        u32                     g_active;
+        const struct ath5k_gain_opt_step        *g_step;
+};
+
+
 /********************\
   COMMON DEFINITIONS
 \********************/
 
-/*
- * Atheros hardware descriptor
- * This is read and written to by the hardware
- */
-struct ath5k_desc {
-        u32     ds_link;        /* physical address of the next descriptor */
-        u32     ds_data;        /* physical address of data buffer (skb) */
-
-        union {
-                struct ath5k_hw_5210_tx_desc    ds_tx5210;
-                struct ath5k_hw_5212_tx_desc    ds_tx5212;
-                struct ath5k_hw_all_rx_desc     ds_rx;
-        } ud;
-} __packed;
-
-#define AR5K_RXDESC_INTREQ      0x0020
-
-#define AR5K_TXDESC_CLRDMASK    0x0001
-#define AR5K_TXDESC_NOACK       0x0002  /*[5211+]*/
-#define AR5K_TXDESC_RTSENA      0x0004
-#define AR5K_TXDESC_CTSENA      0x0008
-#define AR5K_TXDESC_INTREQ      0x0010
-#define AR5K_TXDESC_VEOL        0x0020  /*[5211+]*/
-
 #define AR5K_SLOT_TIME_9        396
 #define AR5K_SLOT_TIME_20       880
 #define AR5K_SLOT_TIME_MAX      0xffff
@@ -553,167 +708,79 @@ struct ath5k_desc {
 #define CHANNEL_MODES           CHANNEL_ALL
 
 /*
- * Used internaly in OpenHAL (ar5211.c/ar5212.c
- * for reset_tx_queue). Also see struct struct ieee80211_channel.
+ * Used internaly for reset_tx_queue).
+ * Also see struct struct ieee80211_channel.
  */
 #define IS_CHAN_XR(_c)  ((_c.hw_value & CHANNEL_XR) != 0)
 #define IS_CHAN_B(_c)   ((_c.hw_value & CHANNEL_B) != 0)
 
 /*
- * The following structure will be used to map 2GHz channels to
+ * The following structure is used to map 2GHz channels to
  * 5GHz Atheros channels.
+ * TODO: Clean up
  */
 struct ath5k_athchan_2ghz {
         u32     a2_flags;
         u16     a2_athchan;
 };
 
-/*
- * Rate definitions
- * TODO: Clean them up or move them on mac80211 -most of these infos are
- *       used by the rate control algorytm on MadWiFi.
- */
 
-/* Max number of rates on the rate table and what it seems
- * Atheros hardware supports */
-#define AR5K_MAX_RATES 32
+/******************\
+  RATE DEFINITIONS
+\******************/
 
 /**
- * struct ath5k_rate - rate structure
- * @valid: is this a valid rate for rate control (remove)
- * @modulation: respective mac80211 modulation
- * @rate_kbps: rate in kbit/s
- * @rate_code: hardware rate value, used in &struct ath5k_desc, on RX on
- *     &struct ath5k_rx_status.rs_rate and on TX on
- *     &struct ath5k_tx_status.ts_rate. Seems the ar5xxx harware supports
- *     up to 32 rates, indexed by 1-32. This means we really only need
- *     6 bits for the rate_code.
- * @dot11_rate: respective IEEE-802.11 rate value
- * @control_rate: index of rate assumed to be used to send control frames.
- *     This can be used to set override the value on the rate duration
- *     registers. This is only useful if we can override in the harware at
- *     what rate we want to send control frames at. Note that IEEE-802.11
- *     Ch. 9.6 (after IEEE 802.11g changes) defines the rate at which we
- *     should send ACK/CTS, if we change this value we can be breaking
- *     the spec.
+ * Seems the ar5xxx harware supports up to 32 rates, indexed by 1-32.
  *
- * This structure is used to get the RX rate or set the TX rate on the
+ * The rate code is used to get the RX rate or set the TX rate on the
  * hardware descriptors. It is also used for internal modulation control
  * and settings.
  *
- * On RX after the &struct ath5k_desc is parsed by the appropriate
- * ah_proc_rx_desc() the respective hardware rate value is set in
- * &struct ath5k_rx_status.rs_rate. On TX the desired rate is set in
- * &struct ath5k_tx_status.ts_rate which is later used to setup the
- * &struct ath5k_desc correctly. This is the hardware rate map we are
- * aware of:
+ * This is the hardware rate map we are aware of:
  *
- * rate_code   1       2       3       4       5       6       7       8
+ * rate_code   0x01    0x02    0x03    0x04    0x05    0x06    0x07    0x08
  * rate_kbps   3000    1000    ?       ?       ?       2000    500     48000
  *
- * rate_code   9       10      11      12      13      14      15      16
+ * rate_code   0x09    0x0A    0x0B    0x0C    0x0D    0x0E    0x0F    0x10
  * rate_kbps   24000   12000   6000    54000   36000   18000   9000    ?
  *
  * rate_code   17      18      19      20      21      22      23      24
  * rate_kbps   ?       ?       ?       ?       ?       ?       ?       11000
  *
  * rate_code   25      26      27      28      29      30      31      32
- * rate_kbps   5500    2000    1000    ?       ?       ?       ?       ?
+ * rate_kbps   5500    2000    1000    11000S  5500S   2000S   ?       ?
  *
+ * "S" indicates CCK rates with short preamble.
+ *
+ * AR5211 has different rate codes for CCK (802.11B) rates. It only uses the
+ * lowest 4 bits, so they are the same as below with a 0xF mask.
+ * (0xB, 0xA, 0x9 and 0x8 for 1M, 2M, 5.5M and 11M).
+ * We handle this in ath5k_setup_bands().
  */
-struct ath5k_rate {
-        u8      valid;
-        u32     modulation;
-        u16     rate_kbps;
-        u8      rate_code;
-        u8      dot11_rate;
-        u8      control_rate;
-};
-
-/* XXX: GRR all this stuff to get leds blinking ??? (check out setcurmode) */
-struct ath5k_rate_table {
-        u16     rate_count;
-        u8      rate_code_to_index[AR5K_MAX_RATES];     /* Back-mapping */
-        struct ath5k_rate rates[AR5K_MAX_RATES];
-};
-
-/*
- * Rate tables...
- * TODO: CLEAN THIS !!!
- */
-#define AR5K_RATES_11A { 8, {                                   \
-        255, 255, 255, 255, 255, 255, 255, 255, 6, 4, 2, 0,     \
-        7, 5, 3, 1, 255, 255, 255, 255, 255, 255, 255, 255,     \
-        255, 255, 255, 255, 255, 255, 255, 255 }, {             \
-        { 1, 0, 6000, 11, 140, 0 },             \
-        { 1, 0, 9000, 15, 18, 0 },              \
-        { 1, 0, 12000, 10, 152, 2 },            \
-        { 1, 0, 18000, 14, 36, 2 },             \
-        { 1, 0, 24000, 9, 176, 4 },             \
-        { 1, 0, 36000, 13, 72, 4 },             \
-        { 1, 0, 48000, 8, 96, 4 },              \
-        { 1, 0, 54000, 12, 108, 4 } }           \
-}
-
-#define AR5K_RATES_11B { 4, {                                           \
-        255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,     \
-        255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,     \
-        3, 2, 1, 0, 255, 255, 255, 255 }, {                             \
-        { 1, 0, 1000, 27, 130, 0 },     \
-        { 1, IEEE80211_RATE_SHORT_PREAMBLE, 2000, 26, 132, 1 }, \
-        { 1, IEEE80211_RATE_SHORT_PREAMBLE, 5500, 25, 139, 1 }, \
-        { 1, IEEE80211_RATE_SHORT_PREAMBLE, 11000, 24, 150, 1 } }       \
-}
-
-#define AR5K_RATES_11G { 12, {                                  \
-        255, 255, 255, 255, 255, 255, 255, 255, 10, 8, 6, 4,    \
-        11, 9, 7, 5, 255, 255, 255, 255, 255, 255, 255, 255,    \
-        3, 2, 1, 0, 255, 255, 255, 255 }, {                     \
-        { 1, 0, 1000, 27, 2, 0 },               \
-        { 1, IEEE80211_RATE_SHORT_PREAMBLE, 2000, 26, 4, 1 },           \
-        { 1, IEEE80211_RATE_SHORT_PREAMBLE, 5500, 25, 11, 1 },          \
-        { 1, IEEE80211_RATE_SHORT_PREAMBLE, 11000, 24, 22, 1 }, \
-        { 0, 0, 6000, 11, 12, 4 },      \
-        { 0, 0, 9000, 15, 18, 4 },      \
-        { 1, 0, 12000, 10, 24, 6 },     \
-        { 1, 0, 18000, 14, 36, 6 },     \
-        { 1, 0, 24000, 9, 48, 8 },      \
-        { 1, 0, 36000, 13, 72, 8 },     \
-        { 1, 0, 48000, 8, 96, 8 },      \
-        { 1, 0, 54000, 12, 108, 8 } }   \
-}
-
-#define AR5K_RATES_TURBO { 8, {                                 \
-        255, 255, 255, 255, 255, 255, 255, 255, 6, 4, 2, 0,     \
-        7, 5, 3, 1, 255, 255, 255, 255, 255, 255, 255, 255,     \
-        255, 255, 255, 255, 255, 255, 255, 255 }, {             \
-        { 1, MODULATION_TURBO, 6000, 11, 140, 0 },      \
-        { 1, MODULATION_TURBO, 9000, 15, 18, 0 },       \
-        { 1, MODULATION_TURBO, 12000, 10, 152, 2 },     \
-        { 1, MODULATION_TURBO, 18000, 14, 36, 2 },      \
-        { 1, MODULATION_TURBO, 24000, 9, 176, 4 },      \
-        { 1, MODULATION_TURBO, 36000, 13, 72, 4 },      \
-        { 1, MODULATION_TURBO, 48000, 8, 96, 4 },       \
-        { 1, MODULATION_TURBO, 54000, 12, 108, 4 } }    \
-}
+#define AR5K_MAX_RATES 32
 
-#define AR5K_RATES_XR { 12, {                                   \
-        255, 3, 1, 255, 255, 255, 2, 0, 10, 8, 6, 4,            \
-        11, 9, 7, 5, 255, 255, 255, 255, 255, 255, 255, 255,    \
-        255, 255, 255, 255, 255, 255, 255, 255 }, {             \
-        { 1, MODULATION_XR, 500, 7, 129, 0 },           \
-        { 1, MODULATION_XR, 1000, 2, 139, 1 },          \
-        { 1, MODULATION_XR, 2000, 6, 150, 2 },          \
-        { 1, MODULATION_XR, 3000, 1, 150, 3 },          \
-        { 1, 0, 6000, 11, 140, 4 },     \
-        { 1, 0, 9000, 15, 18, 4 },      \
-        { 1, 0, 12000, 10, 152, 6 },    \
-        { 1, 0, 18000, 14, 36, 6 },     \
-        { 1, 0, 24000, 9, 176, 8 },     \
-        { 1, 0, 36000, 13, 72, 8 },     \
-        { 1, 0, 48000, 8, 96, 8 },      \
-        { 1, 0, 54000, 12, 108, 8 } }   \
-}
+/* B */
+#define ATH5K_RATE_CODE_1M      0x1B
+#define ATH5K_RATE_CODE_2M      0x1A
+#define ATH5K_RATE_CODE_5_5M    0x19
+#define ATH5K_RATE_CODE_11M     0x18
+/* A and G */
+#define ATH5K_RATE_CODE_6M      0x0B
+#define ATH5K_RATE_CODE_9M      0x0F
+#define ATH5K_RATE_CODE_12M     0x0A
+#define ATH5K_RATE_CODE_18M     0x0E
+#define ATH5K_RATE_CODE_24M     0x09
+#define ATH5K_RATE_CODE_36M     0x0D
+#define ATH5K_RATE_CODE_48M     0x08
+#define ATH5K_RATE_CODE_54M     0x0C
+/* XR */
+#define ATH5K_RATE_CODE_XR_500K 0x07
+#define ATH5K_RATE_CODE_XR_1M   0x02
+#define ATH5K_RATE_CODE_XR_2M   0x06
+#define ATH5K_RATE_CODE_XR_3M   0x01
+
+/* adding this flag to rate_code enables short preamble */
+#define AR5K_SET_SHORT_PREAMBLE 0x04
 
 /*
  * Crypto definitions
@@ -735,7 +802,6 @@ struct ath5k_rate_table {
                 return (false);                 \
 } while (0)
 
-
 enum ath5k_ant_setting {
         AR5K_ANT_VARIABLE       = 0,    /* variable by programming */
         AR5K_ANT_FIXED_A        = 1,    /* fixed to 11a frequencies */
@@ -846,7 +912,8 @@ enum ath5k_power_mode {
 
 /*
  * These match net80211 definitions (not used in
- * d80211).
+ * mac80211).
+ * TODO: Clean this up
  */
 #define AR5K_LED_INIT   0 /*IEEE80211_S_INIT*/
 #define AR5K_LED_SCAN   1 /*IEEE80211_S_SCAN*/
@@ -862,7 +929,8 @@ enum ath5k_power_mode {
 /*
  * Chipset capabilities -see ath5k_hw_get_capability-
  * get_capability function is not yet fully implemented
- * in OpenHAL so most of these don't work yet...
+ * in ath5k so most of these don't work yet...
+ * TODO: Implement these & merge with _TUNE_ stuff above
  */
 enum ath5k_capability_type {
         AR5K_CAP_REG_DMN                = 0,    /* Used to get current reg. domain id */
@@ -931,6 +999,7 @@ struct ath5k_capabilities {
 #define AR5K_MAX_GPIO           10
 #define AR5K_MAX_RF_BANKS       8
 
+/* TODO: Clean up and merge with ath5k_softc */
 struct ath5k_hw {
         u32                     ah_magic;
 
@@ -939,7 +1008,7 @@ struct ath5k_hw {
 
         enum ath5k_int          ah_imr;
 
-        enum ieee80211_if_types ah_op_mode;
+        enum nl80211_iftype     ah_op_mode;
         enum ath5k_power_mode   ah_power_mode;
         struct ieee80211_channel ah_current_channel;
         bool                    ah_turbo;
@@ -1023,11 +1092,13 @@ struct ath5k_hw {
         /*
          * Function pointers
          */
+        int (*ah_setup_rx_desc)(struct ath5k_hw *ah, struct ath5k_desc *desc,
+                                u32 size, unsigned int flags);
         int (*ah_setup_tx_desc)(struct ath5k_hw *, struct ath5k_desc *,
                 unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int,
                 unsigned int, unsigned int, unsigned int, unsigned int,
                 unsigned int, unsigned int, unsigned int);
-        int (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *,
+        int (*ah_setup_mrr_tx_desc)(struct ath5k_hw *, struct ath5k_desc *,
                 unsigned int, unsigned int, unsigned int, unsigned int,
                 unsigned int, unsigned int);
         int (*ah_proc_tx_desc)(struct ath5k_hw *, struct ath5k_desc *,
@@ -1040,33 +1111,38 @@ struct ath5k_hw {
  * Prototypes
  */
 
-/* General Functions */
-extern int ath5k_hw_register_timeout(struct ath5k_hw *ah, u32 reg, u32 flag, u32 val, bool is_set);
 /* Attach/Detach Functions */
 extern struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version);
-extern const struct ath5k_rate_table *ath5k_hw_get_rate_table(struct ath5k_hw *ah, unsigned int mode);
 extern void ath5k_hw_detach(struct ath5k_hw *ah);
+
 /* Reset Functions */
-extern int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, struct ieee80211_channel *channel, bool change_channel);
+extern int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial);
+extern int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, struct ieee80211_channel *channel, bool change_channel);
 /* Power management functions */
 extern int ath5k_hw_set_power(struct ath5k_hw *ah, enum ath5k_power_mode mode, bool set_chip, u16 sleep_duration);
+
 /* DMA Related Functions */
-extern void ath5k_hw_start_rx(struct ath5k_hw *ah);
+extern void ath5k_hw_start_rx_dma(struct ath5k_hw *ah);
 extern int ath5k_hw_stop_rx_dma(struct ath5k_hw *ah);
-extern u32 ath5k_hw_get_rx_buf(struct ath5k_hw *ah);
-extern void ath5k_hw_put_rx_buf(struct ath5k_hw *ah, u32 phys_addr);
-extern int ath5k_hw_tx_start(struct ath5k_hw *ah, unsigned int queue);
+extern u32 ath5k_hw_get_rxdp(struct ath5k_hw *ah);
+extern void ath5k_hw_set_rxdp(struct ath5k_hw *ah, u32 phys_addr);
+extern int ath5k_hw_start_tx_dma(struct ath5k_hw *ah, unsigned int queue);
 extern int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue);
-extern u32 ath5k_hw_get_tx_buf(struct ath5k_hw *ah, unsigned int queue);
-extern int ath5k_hw_put_tx_buf(struct ath5k_hw *ah, unsigned int queue, u32 phys_addr);
+extern u32 ath5k_hw_get_txdp(struct ath5k_hw *ah, unsigned int queue);
+extern int ath5k_hw_set_txdp(struct ath5k_hw *ah, unsigned int queue,
+                                u32 phys_addr);
 extern int ath5k_hw_update_tx_triglevel(struct ath5k_hw *ah, bool increase);
 /* Interrupt handling */
 extern bool ath5k_hw_is_intr_pending(struct ath5k_hw *ah);
 extern int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask);
-extern enum ath5k_int ath5k_hw_set_intr(struct ath5k_hw *ah, enum ath5k_int new_mask);
+extern enum ath5k_int ath5k_hw_set_imr(struct ath5k_hw *ah, enum
+ath5k_int new_mask);
 extern void ath5k_hw_update_mib_counters(struct ath5k_hw *ah, struct ieee80211_low_level_stats *stats);
+
 /* EEPROM access functions */
-extern int ath5k_hw_set_regdomain(struct ath5k_hw *ah, u16 regdomain);
+extern int ath5k_eeprom_init(struct ath5k_hw *ah);
+extern int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac);
+
 /* Protocol Control Unit Functions */
 extern int ath5k_hw_set_opmode(struct ath5k_hw *ah);
 /* BSSID Functions */
@@ -1076,14 +1152,14 @@ extern void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc
 extern int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask);
 /* Receive start/stop functions */
 extern void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah);
-extern void ath5k_hw_stop_pcu_recv(struct ath5k_hw *ah);
+extern void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah);
 /* RX Filter functions */
 extern void ath5k_hw_set_mcast_filter(struct ath5k_hw *ah, u32 filter0, u32 filter1);
-extern int ath5k_hw_set_mcast_filterindex(struct ath5k_hw *ah, u32 index);
+extern int ath5k_hw_set_mcast_filter_idx(struct ath5k_hw *ah, u32 index);
 extern int ath5k_hw_clear_mcast_filter_idx(struct ath5k_hw *ah, u32 index);
 extern u32 ath5k_hw_get_rx_filter(struct ath5k_hw *ah);
 extern void ath5k_hw_set_rx_filter(struct ath5k_hw *ah, u32 filter);
-/* Beacon related functions */
+/* Beacon control functions */
 extern u32 ath5k_hw_get_tsf32(struct ath5k_hw *ah);
 extern u64 ath5k_hw_get_tsf64(struct ath5k_hw *ah);
 extern void ath5k_hw_reset_tsf(struct ath5k_hw *ah);
@@ -1105,61 +1181,129 @@ extern int ath5k_hw_reset_key(struct ath5k_hw *ah, u16 entry);
 extern int ath5k_hw_is_key_valid(struct ath5k_hw *ah, u16 entry);
 extern int ath5k_hw_set_key(struct ath5k_hw *ah, u16 entry, const struct ieee80211_key_conf *key, const u8 *mac);
 extern int ath5k_hw_set_key_lladdr(struct ath5k_hw *ah, u16 entry, const u8 *mac);
+
 /* Queue Control Unit, DFS Control Unit Functions */
-extern int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type, struct ath5k_txq_info *queue_info);
-extern int ath5k_hw_setup_tx_queueprops(struct ath5k_hw *ah, int queue, const struct ath5k_txq_info *queue_info);
 extern int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue, struct ath5k_txq_info *queue_info);
+extern int ath5k_hw_set_tx_queueprops(struct ath5k_hw *ah, int queue,
+                                const struct ath5k_txq_info *queue_info);
+extern int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah,
+                                enum ath5k_tx_queue queue_type,
+                                struct ath5k_txq_info *queue_info);
+extern u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue);
 extern void ath5k_hw_release_tx_queue(struct ath5k_hw *ah, unsigned int queue);
 extern int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue);
-extern u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue);
-extern int ath5k_hw_set_slot_time(struct ath5k_hw *ah, unsigned int slot_time);
 extern unsigned int ath5k_hw_get_slot_time(struct ath5k_hw *ah);
+extern int ath5k_hw_set_slot_time(struct ath5k_hw *ah, unsigned int slot_time);
+
 /* Hardware Descriptor Functions */
-extern int ath5k_hw_setup_rx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, u32 size, unsigned int flags);
+extern int ath5k_hw_init_desc_functions(struct ath5k_hw *ah);
+
 /* GPIO Functions */
 extern void ath5k_hw_set_ledstate(struct ath5k_hw *ah, unsigned int state);
-extern int ath5k_hw_set_gpio_output(struct ath5k_hw *ah, u32 gpio);
 extern int ath5k_hw_set_gpio_input(struct ath5k_hw *ah, u32 gpio);
+extern int ath5k_hw_set_gpio_output(struct ath5k_hw *ah, u32 gpio);
 extern u32 ath5k_hw_get_gpio(struct ath5k_hw *ah, u32 gpio);
 extern int ath5k_hw_set_gpio(struct ath5k_hw *ah, u32 gpio, u32 val);
 extern void ath5k_hw_set_gpio_intr(struct ath5k_hw *ah, unsigned int gpio, u32 interrupt_level);
+
 /* Misc functions */
+int ath5k_hw_set_capabilities(struct ath5k_hw *ah);
 extern int ath5k_hw_get_capability(struct ath5k_hw *ah, enum ath5k_capability_type cap_type, u32 capability, u32 *result);
-
+extern int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, u16 assoc_id);
+extern int ath5k_hw_disable_pspoll(struct ath5k_hw *ah);
 
 /* Initial register settings functions */
 extern int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel);
+
 /* Initialize RF */
 extern int ath5k_hw_rfregs(struct ath5k_hw *ah, struct ieee80211_channel *channel, unsigned int mode);
 extern int ath5k_hw_rfgain(struct ath5k_hw *ah, unsigned int freq);
 extern enum ath5k_rfgain ath5k_hw_get_rf_gain(struct ath5k_hw *ah);
 extern int ath5k_hw_set_rfgain_opt(struct ath5k_hw *ah);
-
-
 /* PHY/RF channel functions */
 extern bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags);
 extern int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 /* PHY calibration */
 extern int ath5k_hw_phy_calibrate(struct ath5k_hw *ah, struct ieee80211_channel *channel);
-extern int ath5k_hw_phy_disable(struct ath5k_hw *ah);
+extern int ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq);
 /* Misc PHY functions */
 extern u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan);
 extern void ath5k_hw_set_def_antenna(struct ath5k_hw *ah, unsigned int ant);
 extern unsigned int ath5k_hw_get_def_antenna(struct ath5k_hw *ah);
-extern int ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq);
+extern int ath5k_hw_phy_disable(struct ath5k_hw *ah);
 /* TX power setup */
 extern int ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, unsigned int txpower);
 extern int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, unsigned int power);
 
+/*
+ * Functions used internaly
+ */
 
+/*
+ * Translate usec to hw clock units
+ */
+static inline unsigned int ath5k_hw_htoclock(unsigned int usec, bool turbo)
+{
+        return turbo ? (usec * 80) : (usec * 40);
+}
+
+/*
+ * Translate hw clock units to usec
+ */
+static inline unsigned int ath5k_hw_clocktoh(unsigned int clock, bool turbo)
+{
+        return turbo ? (clock / 80) : (clock / 40);
+}
+
+/*
+ * Read from a register
+ */
 static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
 {
         return ioread32(ah->ah_iobase + reg);
 }
 
+/*
+ * Write to a register
+ */
 static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
 {
         iowrite32(val, ah->ah_iobase + reg);
 }
 
+#if defined(_ATH5K_RESET) || defined(_ATH5K_PHY)
+/*
+ * Check if a register write has been completed
+ */
+static int ath5k_hw_register_timeout(struct ath5k_hw *ah, u32 reg, u32 flag,
+                u32 val, bool is_set)
+{
+        int i;
+        u32 data;
+
+        for (i = AR5K_TUNE_REGISTER_TIMEOUT; i > 0; i--) {
+                data = ath5k_hw_reg_read(ah, reg);
+                if (is_set && (data & flag))
+                        break;
+                else if ((data & flag) == val)
+                        break;
+                udelay(15);
+        }
+
+        return (i <= 0) ? -EAGAIN : 0;
+}
+#endif
+
+static inline u32 ath5k_hw_bitswap(u32 val, unsigned int bits)
+{
+        u32 retval = 0, bit, i;
+
+        for (i = 0; i < bits; i++) {
+                bit = (val >> i) & 1;
+                retval = (retval << 1) | bit;
+        }
+
+        return retval;
+}
+
 #endif