diff options
| -rw-r--r-- | drivers/net/wireless/ath5k/ath5k.h | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/ath5k/attach.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/ath5k/eeprom.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/ath5k/eeprom.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath5k/reg.h | 56 | ||||
| -rw-r--r-- | drivers/net/wireless/ath5k/reset.c | 930 |
6 files changed, 732 insertions, 296 deletions
diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h index 5b2e0da0a226..b9af2b84c05f 100644 --- a/drivers/net/wireless/ath5k/ath5k.h +++ b/drivers/net/wireless/ath5k/ath5k.h @@ -222,6 +222,7 @@ #endif /* Initial values */ +#define AR5K_INIT_CYCRSSI_THR1 2 #define AR5K_INIT_TX_LATENCY 502 #define AR5K_INIT_USEC 39 #define AR5K_INIT_USEC_TURBO 79 @@ -313,7 +314,7 @@ struct ath5k_srev_name { #define AR5K_SREV_AR5424 0x90 /* Condor */ #define AR5K_SREV_AR5413 0xa4 /* Eagle lite */ #define AR5K_SREV_AR5414 0xa0 /* Eagle */ -#define AR5K_SREV_AR2415 0xb0 /* Cobra */ +#define AR5K_SREV_AR2415 0xb0 /* Talon */ #define AR5K_SREV_AR5416 0xc0 /* PCI-E */ #define AR5K_SREV_AR5418 0xca /* PCI-E */ #define AR5K_SREV_AR2425 0xe0 /* Swan */ @@ -331,7 +332,7 @@ struct ath5k_srev_name { #define AR5K_SREV_RAD_2112B 0x46 #define AR5K_SREV_RAD_2413 0x50 #define AR5K_SREV_RAD_5413 0x60 -#define AR5K_SREV_RAD_2316 0x70 +#define AR5K_SREV_RAD_2316 0x70 /* Cobra SoC */ #define AR5K_SREV_RAD_2317 0x80 #define AR5K_SREV_RAD_5424 0xa0 /* Mostly same as 5413 */ #define AR5K_SREV_RAD_2425 0xa2 @@ -340,7 +341,7 @@ struct ath5k_srev_name { #define AR5K_SREV_PHY_5211 0x30 #define AR5K_SREV_PHY_5212 0x41 #define AR5K_SREV_PHY_5212A 0x42 -#define AR5K_SREV_PHY_2112B 0x43 +#define AR5K_SREV_PHY_5212B 0x43 #define AR5K_SREV_PHY_2413 0x45 #define AR5K_SREV_PHY_5413 0x61 #define AR5K_SREV_PHY_2425 0x70 @@ -1030,7 +1031,6 @@ struct ath5k_hw { u16 ah_phy_revision; u16 ah_radio_5ghz_revision; u16 ah_radio_2ghz_revision; - u32 ah_phy_spending; enum ath5k_version ah_version; enum ath5k_radio ah_radio; @@ -1156,6 +1156,7 @@ extern void ath5k_hw_update_mib_counters(struct ath5k_hw *ah, struct ieee80211_l /* EEPROM access functions */ extern int ath5k_eeprom_init(struct ath5k_hw *ah); extern int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac); +extern bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah); /* Protocol Control Unit Functions */ extern int ath5k_hw_set_opmode(struct ath5k_hw *ah); @@ -1258,6 +1259,7 @@ extern int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, unsigned int power); /* * Translate usec to hw clock units + * TODO: Half/quarter rate */ static inline unsigned int ath5k_hw_htoclock(unsigned int usec, bool turbo) { @@ -1266,6 +1268,7 @@ static inline unsigned int ath5k_hw_htoclock(unsigned int usec, bool turbo) /* * Translate hw clock units to usec + * TODO: Half/quarter rate */ static inline unsigned int ath5k_hw_clocktoh(unsigned int clock, bool turbo) { diff --git a/drivers/net/wireless/ath5k/attach.c b/drivers/net/wireless/ath5k/attach.c index a3f07a4ebf41..05bc5cb44e88 100644 --- a/drivers/net/wireless/ath5k/attach.c +++ b/drivers/net/wireless/ath5k/attach.c @@ -169,7 +169,6 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) ah->ah_single_chip = false; ah->ah_radio_2ghz_revision = ath5k_hw_radio_revision(ah, CHANNEL_2GHZ); - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5111; break; case AR5K_SREV_RAD_5112: case AR5K_SREV_RAD_2112: @@ -177,38 +176,31 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) ah->ah_single_chip = false; ah->ah_radio_2ghz_revision = ath5k_hw_radio_revision(ah, CHANNEL_2GHZ); - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112; break; case AR5K_SREV_RAD_2413: ah->ah_radio = AR5K_RF2413; ah->ah_single_chip = true; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF2413; break; case AR5K_SREV_RAD_5413: ah->ah_radio = AR5K_RF5413; ah->ah_single_chip = true; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5413; break; case AR5K_SREV_RAD_2316: ah->ah_radio = AR5K_RF2316; ah->ah_single_chip = true; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF2316; break; case AR5K_SREV_RAD_2317: ah->ah_radio = AR5K_RF2317; ah->ah_single_chip = true; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF2317; break; case AR5K_SREV_RAD_5424: if (ah->ah_mac_version == AR5K_SREV_AR2425 || ah->ah_mac_version == AR5K_SREV_AR2417){ ah->ah_radio = AR5K_RF2425; ah->ah_single_chip = true; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF2425; } else { ah->ah_radio = AR5K_RF5413; ah->ah_single_chip = true; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5413; } break; default: @@ -227,29 +219,25 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) ah->ah_radio = AR5K_RF2425; ah->ah_single_chip = true; ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2425; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF2425; } else if (srev == AR5K_SREV_AR5213A && - ah->ah_phy_revision == AR5K_SREV_PHY_2112B) { + ah->ah_phy_revision == AR5K_SREV_PHY_5212B) { ah->ah_radio = AR5K_RF5112; ah->ah_single_chip = false; - ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2112B; + ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_5112B; } else if (ah->ah_mac_version == (AR5K_SREV_AR2415 >> 4)) { ah->ah_radio = AR5K_RF2316; ah->ah_single_chip = true; ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2316; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF2316; } else if (ah->ah_mac_version == (AR5K_SREV_AR5414 >> 4) || ah->ah_phy_revision == AR5K_SREV_PHY_5413) { ah->ah_radio = AR5K_RF5413; ah->ah_single_chip = true; ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_5413; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5413; } else if (ah->ah_mac_version == (AR5K_SREV_AR2414 >> 4) || ah->ah_phy_revision == AR5K_SREV_PHY_2413) { ah->ah_radio = AR5K_RF2413; ah->ah_single_chip = true; ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2413; - ah->ah_phy_spending = AR5K_PHY_SPENDING_RF2413; } else { ATH5K_ERR(sc, "Couldn't identify radio revision.\n"); ret = -ENODEV; diff --git a/drivers/net/wireless/ath5k/eeprom.c b/drivers/net/wireless/ath5k/eeprom.c index b4ec539c464b..21b9334eeaf2 100644 --- a/drivers/net/wireless/ath5k/eeprom.c +++ b/drivers/net/wireless/ath5k/eeprom.c @@ -204,7 +204,7 @@ static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset, /* Get antenna modes */ ah->ah_antenna[mode][0] = - (ee->ee_ant_control[mode][0] << 4) | 0x1; + (ee->ee_ant_control[mode][0] << 4); ah->ah_antenna[mode][AR5K_ANT_FIXED_A] = ee->ee_ant_control[mode][1] | (ee->ee_ant_control[mode][2] << 6) | @@ -1412,6 +1412,7 @@ ath5k_eeprom_init(struct ath5k_hw *ah) return 0; } + /* * Read the MAC address from eeprom */ @@ -1448,3 +1449,14 @@ int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac) return 0; } +bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah) +{ + u16 data; + + ath5k_hw_eeprom_read(ah, AR5K_EEPROM_IS_HB63, &data); + + if ((ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4)) && data) + return true; + else + return false; +} diff --git a/drivers/net/wireless/ath5k/eeprom.h b/drivers/net/wireless/ath5k/eeprom.h index 09eb7d0176a4..1deebc0257d4 100644 --- a/drivers/net/wireless/ath5k/eeprom.h +++ b/drivers/net/wireless/ath5k/eeprom.h @@ -25,6 +25,7 @@ #define AR5K_EEPROM_MAGIC_5211 0x0000145b /* 5211 */ #define AR5K_EEPROM_MAGIC_5210 0x0000145a /* 5210 */ +#define AR5K_EEPROM_IS_HB63 0x000b /* Talon detect */ #define AR5K_EEPROM_REG_DOMAIN 0x00bf /* EEPROM regdom */ #define AR5K_EEPROM_CHECKSUM 0x00c0 /* EEPROM checksum */ #define AR5K_EEPROM_INFO_BASE 0x00c0 /* EEPROM header */ diff --git a/drivers/net/wireless/ath5k/reg.h b/drivers/net/wireless/ath5k/reg.h index 84f4669278a7..2dc008e10226 100644 --- a/drivers/net/wireless/ath5k/reg.h +++ b/drivers/net/wireless/ath5k/reg.h @@ -187,6 +187,7 @@ #define AR5K_TXCFG_FRMPAD_DIS 0x00002000 /* [5211+] */ #define AR5K_TXCFG_RDY_CBR_DIS 0x00004000 /* Ready time CBR disable [5211+] */ #define AR5K_TXCFG_JUMBO_FRM_MODE 0x00008000 /* Jumbo frame mode [5211+] */ +#define AR5K_TXCFG_DCU_DBL_BUF_DIS 0x00008000 /* Disable double buffering on DCU */ #define AR5K_TXCFG_DCU_CACHING_DIS 0x00010000 /* Disable DCU caching */ /* @@ -753,7 +754,7 @@ */ #define AR5K_DCU_SEQNUM_BASE 0x1140 #define AR5K_DCU_SEQNUM_M 0x00000fff -#define AR5K_QUEUE_DFS_SEQNUM(_q) AR5K_QUEUE_REG(AR5K_DCU_SEQNUM_BASE, _q) +#define AR5K_QUEUE_DCU_SEQNUM(_q) AR5K_QUEUE_REG(AR5K_DCU_SEQNUM_BASE, _q) /* * DCU global IFS SIFS register @@ -1467,7 +1468,7 @@ #define AR5K_ADDAC_TEST_TRIG_PTY 0x00020000 /* Trigger polarity */ #define AR5K_ADDAC_TEST_RXCONT 0x00040000 /* Continuous capture */ #define AR5K_ADDAC_TEST_CAPTURE 0x00080000 /* Begin capture */ -#define AR5K_ADDAC_TEST_TST_ARM 0x00100000 /* Test ARM (Adaptive Radio Mode ?) */ +#define AR5K_ADDAC_TEST_TST_ARM 0x00100000 /* ARM rx buffer for capture */ /* * Default antenna register [5211+] @@ -1679,7 +1680,7 @@ * TSF parameter register */ #define AR5K_TSF_PARM 0x8104 /* Register Address */ -#define AR5K_TSF_PARM_INC_M 0x000000ff /* Mask for TSF increment */ +#define AR5K_TSF_PARM_INC 0x000000ff /* Mask for TSF increment */ #define AR5K_TSF_PARM_INC_S 0 /* @@ -1691,7 +1692,7 @@ #define AR5K_QOS_NOACK_BIT_OFFSET 0x00000070 /* ??? */ #define AR5K_QOS_NOACK_BIT_OFFSET_S 4 #define AR5K_QOS_NOACK_BYTE_OFFSET 0x00000180 /* ??? */ -#define AR5K_QOS_NOACK_BYTE_OFFSET_S 8 +#define AR5K_QOS_NOACK_BYTE_OFFSET_S 7 /* * PHY error filter register @@ -1850,15 +1851,14 @@ * TST_2 (Misc config parameters) */ #define AR5K_PHY_TST2 0x9800 /* Register Address */ -#define AR5K_PHY_TST2_TRIG_SEL 0x00000001 /* Trigger select (?) (field ?) */ -#define AR5K_PHY_TST2_TRIG 0x00000010 /* Trigger (?) (field ?) */ -#define AR5K_PHY_TST2_CBUS_MODE 0x00000100 /* Cardbus mode (?) */ -/* bit reserved */ +#define AR5K_PHY_TST2_TRIG_SEL 0x00000007 /* Trigger select (?)*/ +#define AR5K_PHY_TST2_TRIG 0x00000010 /* Trigger (?) */ +#define AR5K_PHY_TST2_CBUS_MODE 0x00000060 /* Cardbus mode (?) */ #define AR5K_PHY_TST2_CLK32 0x00000400 /* CLK_OUT is CLK32 (32Khz external) */ #define AR5K_PHY_TST2_CHANCOR_DUMP_EN 0x00000800 /* Enable Chancor dump (?) */ #define AR5K_PHY_TST2_EVEN_CHANCOR_DUMP 0x00001000 /* Even Chancor dump (?) */ #define AR5K_PHY_TST2_RFSILENT_EN 0x00002000 /* Enable RFSILENT */ -#define AR5K_PHY_TST2_ALT_RFDATA 0x00004000 /* Alternate RFDATA (5-2GHz switch) */ +#define AR5K_PHY_TST2_ALT_RFDATA 0x00004000 /* Alternate RFDATA (5-2GHz switch ?) */ #define AR5K_PHY_TST2_MINI_OBS_EN 0x00008000 /* Enable mini OBS (?) */ #define AR5K_PHY_TST2_RX2_IS_RX5_INV 0x00010000 /* 2GHz rx path is the 5GHz path inverted (?) */ #define AR5K_PHY_TST2_SLOW_CLK160 0x00020000 /* Slow CLK160 (?) */ @@ -1928,8 +1928,8 @@ #define AR5K_PHY_RF_CTL2_TXF2TXD_START_S 0 #define AR5K_PHY_RF_CTL3 0x9828 /* Register Address */ -#define AR5K_PHY_RF_CTL3_TXE2XLNA_ON 0x0000000f /* TX end to XLNA on */ -#define AR5K_PHY_RF_CTL3_TXE2XLNA_ON_S 0 +#define AR5K_PHY_RF_CTL3_TXE2XLNA_ON 0x0000ff00 /* TX end to XLNA on */ +#define AR5K_PHY_RF_CTL3_TXE2XLNA_ON_S 8 #define AR5K_PHY_ADC_CTL 0x982c #define AR5K_PHY_ADC_CTL_INBUFGAIN_OFF 0x00000003 @@ -1963,7 +1963,7 @@ #define AR5K_PHY_SETTLING_AGC 0x0000007f /* AGC settling time */ #define AR5K_PHY_SETTLING_AGC_S 0 #define AR5K_PHY_SETTLING_SWITCH 0x00003f80 /* Switch settlig time */ -#define AR5K_PHY_SETTLINK_SWITCH_S 7 +#define AR5K_PHY_SETTLING_SWITCH_S 7 /* * PHY Gain registers @@ -2069,14 +2069,14 @@ * PHY sleep registers [5112+] */ #define AR5K_PHY_SCR 0x9870 -#define AR5K_PHY_SCR_32MHZ 0x0000001f #define AR5K_PHY_SLMT 0x9874 #define AR5K_PHY_SLMT_32MHZ 0x0000007f #define AR5K_PHY_SCAL 0x9878 #define AR5K_PHY_SCAL_32MHZ 0x0000000e - +#define AR5K_PHY_SCAL_32MHZ_2417 0x0000000a +#define AR5K_PHY_SCAL_32MHZ_HB63 0x00000032 /* * PHY PLL (Phase Locked Loop) control register @@ -2156,7 +2156,8 @@ #define AR5K_PHY_ANT_CTL_TXRX_EN 0x00000001 /* Enable TX/RX (?) */ #define AR5K_PHY_ANT_CTL_SECTORED_ANT 0x00000004 /* Sectored Antenna */ #define AR5K_PHY_ANT_CTL_HITUNE5 0x00000008 /* Hitune5 (?) */ -#define AR5K_PHY_ANT_CTL_SWTABLE_IDLE 0x00000010 /* Switch table idle (?) */ +#define AR5K_PHY_ANT_CTL_SWTABLE_IDLE 0x000003f0 /* Switch table idle (?) */ +#define AR5K_PHY_ANT_CTL_SWTABLE_IDLE_S 4 /* * PHY receiver delay register [5111+] @@ -2196,7 +2197,7 @@ #define AR5K_PHY_OFDM_SELFCORR 0x9924 /* Register Address */ #define AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1_EN 0x00000001 /* Enable cyclic RSSI thr 1 */ #define AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1 0x000000fe /* Mask for Cyclic RSSI threshold 1 */ -#define AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1_S 0 +#define AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1_S 1 #define AR5K_PHY_OFDM_SELFCORR_CYPWR_THR3 0x00000100 /* Cyclic RSSI threshold 3 (field) (?) */ #define AR5K_PHY_OFDM_SELFCORR_RSSI_1ATHR_EN 0x00008000 /* Enable 1A RSSI threshold (?) */ #define AR5K_PHY_OFDM_SELFCORR_RSSI_1ATHR 0x00010000 /* 1A RSSI threshold (field) (?) */ @@ -2279,6 +2280,15 @@ AR5K_PHY_FRAME_CTL_TIMING_ERR /* + * PHY Tx Power adjustment register [5212A+] + */ +#define AR5K_PHY_TX_PWR_ADJ 0x994c +#define AR5K_PHY_TX_PWR_ADJ_CCK_GAIN_DELTA 0x00000fc0 +#define AR5K_PHY_TX_PWR_ADJ_CCK_GAIN_DELTA_S 6 +#define AR5K_PHY_TX_PWR_ADJ_CCK_PCDAC_INDEX 0x00fc0000 +#define AR5K_PHY_TX_PWR_ADJ_CCK_PCDAC_INDEX_S 18 + +/* * PHY radar detection register [5111+] */ #define AR5K_PHY_RADAR 0x9954 @@ -2331,7 +2341,7 @@ #define AR5K_PHY_SIGMA_DELTA_FILT2_S 3 #define AR5K_PHY_SIGMA_DELTA_FILT1 0x00001f00 #define AR5K_PHY_SIGMA_DELTA_FILT1_S 8 -#define AR5K_PHY_SIGMA_DELTA_ADC_CLIP 0x01ff3000 +#define AR5K_PHY_SIGMA_DELTA_ADC_CLIP 0x01ffe000 #define AR5K_PHY_SIGMA_DELTA_ADC_CLIP_S 13 /* @@ -2459,17 +2469,7 @@ #define AR5K_PHY_SDELAY 0x99f4 #define AR5K_PHY_SDELAY_32MHZ 0x000000ff #define AR5K_PHY_SPENDING 0x99f8 -#define AR5K_PHY_SPENDING_14 0x00000014 -#define AR5K_PHY_SPENDING_18 0x00000018 -#define AR5K_PHY_SPENDING_RF5111 0x00000018 -#define AR5K_PHY_SPENDING_RF5112 0x00000014 -/* #define AR5K_PHY_SPENDING_RF5112A 0x0000000e */ -/* #define AR5K_PHY_SPENDING_RF5424 0x00000012 */ -#define AR5K_PHY_SPENDING_RF5413 0x00000018 -#define AR5K_PHY_SPENDING_RF2413 0x00000018 -#define AR5K_PHY_SPENDING_RF2316 0x00000018 -#define AR5K_PHY_SPENDING_RF2317 0x00000018 -#define AR5K_PHY_SPENDING_RF2425 0x00000014 + /* * PHY PAPD I (power?) table (?) diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c index 579c64ce6108..1531ccd35066 100644 --- a/drivers/net/wireless/ath5k/reset.c +++ b/drivers/net/wireless/ath5k/reset.c @@ -25,7 +25,8 @@ Reset functions and helpers \*****************************/ -#include <linux/pci.h> +#include <linux/pci.h> /* To determine if a card is pci-e */ +#include <linux/bitops.h> /* For get_bitmask_order */ #include "ath5k.h" #include "reg.h" #include "base.h" @@ -37,10 +38,14 @@ * @ah: the &struct ath5k_hw * @channel: the currently set channel upon reset * - * Write the OFDM timings for the AR5212 upon reset. This is a helper for - * ath5k_hw_reset(). This seems to tune the PLL a specified frequency - * depending on the bandwidth of the channel. + * Write the delta slope coefficient (used on pilot tracking ?) for OFDM + * operation on the AR5212 upon reset. This is a helper for ath5k_hw_reset(). * + * Since delta slope is floating point we split it on its exponent and + * mantissa and provide these values on hw. + * + * For more infos i think this patent is related + * http://www.freepatentsonline.com/7184495.html */ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah, struct ieee80211_channel *channel) @@ -53,23 +58,34 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah, !(channel->hw_value & CHANNEL_OFDM)) BUG(); - /* Seems there are two PLLs, one for baseband sampling and one - * for tuning. Tuning basebands are 40 MHz or 80MHz when in - * turbo. */ - clock = channel->hw_value & CHANNEL_TURBO ? 80 : 40; - coef_scaled = ((5 * (clock << 24)) / 2) / - channel->center_freq; + /* Get coefficient + * ALGO: coef = (5 * clock * carrier_freq) / 2) + * we scale coef by shifting clock value by 24 for + * better precision since we use integers */ + /* TODO: Half/quarter rate */ + clock = ath5k_hw_htoclock(1, channel->hw_value & CHANNEL_TURBO); - for (coef_exp = 31; coef_exp > 0; coef_exp--) - if ((coef_scaled >> coef_exp) & 0x1) - break; + coef_scaled = ((5 * (clock << 24)) / 2) / channel->center_freq; + + /* Get exponent + * ALGO: coef_exp = 14 - highest set bit position */ + coef_exp = get_bitmask_order(coef_scaled); + /* Doesn't make sense if it's zero*/ if (!coef_exp) return -EINVAL; + /* Note: we've shifted coef_scaled by 24 */ coef_exp = 14 - (coef_exp - 24); + + + /* Get mantissa (significant digits) + * ALGO: coef_mant = floor(coef_scaled* 2^coef_exp+0.5) */ coef_man = coef_scaled + (1 << (24 - coef_exp - 1)); + + /* Calculate delta slope coefficient exponent + * and mantissa (remove scaling) and set them on hw */ ds_coef_man = coef_man >> (24 - coef_exp); ds_coef_exp = coef_exp - 16; @@ -90,16 +106,23 @@ static int control_rates[] = { 0, 1, 1, 1, 4, 4, 6, 6, 8, 8, 8, 8 }; /** - * ath5k_hw_write_rate_duration - set rate duration during hw resets + * ath5k_hw_write_rate_duration - fill rate code to duration table * * @ah: the &struct ath5k_hw * @mode: one of enum ath5k_driver_mode * - * Write the rate duration table upon hw reset. This is a helper for - * ath5k_hw_reset(). It seems all this is doing is setting an ACK timeout for - * the hardware for the current mode for each rate. The rates which are capable - * of short preamble (802.11b rates 2Mbps, 5.5Mbps, and 11Mbps) have another - * register for the short preamble ACK timeout calculation. + * Write the rate code to duration table upon hw reset. This is a helper for + * ath5k_hw_reset(). It seems all this is doing is setting an ACK timeout on + * the hardware, based on current mode, for each rate. The rates which are + * capable of short preamble (802.11b rates 2Mbps, 5.5Mbps, and 11Mbps) have + * different rate code so we write their value twice (one for long preample + * and one for short). + * + * Note: Band doesn't matter here, if we set the values for OFDM it works + * on both a and g modes. So all we have to do is set values for all g rates + * that include all OFDM and CCK rates. If we operate in turbo or xr/half/ + * quarter rate mode, we need to use another set of bitrates (that's why we + * need the mode parameter) but we don't handle these proprietary modes yet. */ static inline void ath5k_hw_write_rate_duration(struct ath5k_hw *ah, unsigned int mode) @@ -275,7 +298,8 @@ commit: } /* - * Bring up MAC + PHY Chips + * Bring up MAC + PHY Chips and program PLL + * TODO: Half/Quarter rate support */ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) { @@ -333,7 +357,11 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) } } else if (flags & CHANNEL_5GHZ) { mode |= AR5K_PHY_MODE_FREQ_5GHZ; - clock |= AR5K_PHY_PLL_40MHZ; + + if (ah->ah_radio == AR5K_RF5413) + clock |= AR5K_PHY_PLL_40MHZ_5413; + else + clock |= AR5K_PHY_PLL_40MHZ; if (flags & CHANNEL_OFDM) mode |= AR5K_PHY_MODE_MOD_OFDM; @@ -391,10 +419,14 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) } if (ah->ah_version != AR5K_AR5210) { - /* ...set the PHY operating mode */ - ath5k_hw_reg_write(ah, clock, AR5K_PHY_PLL); - udelay(300); + /* ...update PLL if needed */ + if (ath5k_hw_reg_read(ah, AR5K_PHY_PLL) != clock) { + ath5k_hw_reg_write(ah, clock, AR5K_PHY_PLL); + udelay(300); + } + + /* ...set the PHY operating mode */ ath5k_hw_reg_write(ah, mode, AR5K_PHY_MODE); ath5k_hw_reg_write(ah, turbo, AR5K_PHY_TURBO); } @@ -403,22 +435,393 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) } /* + * If there is an external 32KHz crystal available, use it + * as ref. clock instead of 32/40MHz clock and baseband clocks + * to save power during sleep or restore normal 32/40MHz + * operation. + * + * XXX: When operating on 32KHz certain PHY registers (27 - 31, + * 123 - 127) require delay on access. + */ +static void ath5k_hw_set_sleep_clock(struct ath5k_hw *ah, bool enable) +{ + struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; + u32 scal, spending, usec32; + + /* Only set 32KHz settings if we have an external + * 32KHz crystal present */ + if ((AR5K_EEPROM_HAS32KHZCRYSTAL(ee->ee_misc1) || + AR5K_EEPROM_HAS32KHZCRYSTAL_OLD(ee->ee_misc1)) && + enable) { + + /* 1 usec/cycle */ + AR5K_REG_WRITE_BITS(ah, AR5K_USEC_5211, AR5K_USEC_32, 1); + /* Set up tsf increment on each cycle */ + AR5K_REG_WRITE_BITS(ah, AR5K_TSF_PARM, AR5K_TSF_PARM_INC, 61); + + /* Set baseband sleep control registers + * and sleep control rate */ + ath5k_hw_reg_write(ah, 0x1f, AR5K_PHY_SCR); + + if ((ah->ah_radio == AR5K_RF5112) || + (ah->ah_radio == AR5K_RF5413) || + (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4))) + spending = 0x14; + else + spending = 0x18; + ath5k_hw_reg_write(ah, spending, AR5K_PHY_SPENDING); + + if ((ah->ah_radio == AR5K_RF5112) || + (ah->ah_radio == AR5K_RF5413) || + (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4))) { + ath5k_hw_reg_write(ah, 0x26, AR5K_PHY_SLMT); + ath5k_hw_reg_write(ah, 0x0d, AR5K_PHY_SCAL); + ath5k_hw_reg_write(ah, 0x07, AR5K_PHY_SCLOCK); + ath5k_hw_reg_write(ah, 0x3f, AR5K_PHY_SDELAY); + AR5K_REG_WRITE_BITS(ah, AR5K_PCICFG, + AR5K_PCICFG_SLEEP_CLOCK_RATE, 0x02); + } else { + ath5k_hw_reg_write(ah, 0x0a, AR5K_PHY_SLMT); + ath5k_hw_reg_write(ah, 0x0c, AR5K_PHY_SCAL); + ath5k_hw_reg_write(ah, 0x03, AR5K_PHY_SCLOCK); + ath5k_hw_reg_write(ah, 0x20, AR5K_PHY_SDELAY); + AR5K_REG_WRITE_BITS(ah, AR5K_PCICFG, + AR5K_PCICFG_SLEEP_CLOCK_RATE, 0x03); + } + + /* Enable sleep clock operation */ + AR5K_REG_ENABLE_BITS(ah, AR5K_PCICFG, + AR5K_PCICFG_SLEEP_CLOCK_EN); + + } else { + + /* Disable sleep clock operation and + * restore default parameters */ + AR5K_REG_DISABLE_BITS(ah, AR5K_PCICFG, + AR5K_PCICFG_SLEEP_CLOCK_EN); + + AR5K_REG_WRITE_BITS(ah, AR5K_PCICFG, + AR5K_PCICFG_SLEEP_CLOCK_RATE, 0); + + ath5k_hw_reg_write(ah, 0x1f, AR5K_PHY_SCR); + ath5k_hw_reg_write(ah, AR5K_PHY_SLMT_32MHZ, AR5K_PHY_SLMT); + + if (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4)) + scal = AR5K_PHY_SCAL_32MHZ_2417; + else if (ath5k_eeprom_is_hb63(ah)) + scal = AR5K_PHY_SCAL_32MHZ_HB63; + else + scal = AR5K_PHY_SCAL_32MHZ; + ath5k_hw_reg_write(ah, scal, AR5K_PHY_SCAL); + + ath5k_hw_reg_write(ah, AR5K_PHY_SCLOCK_32MHZ, AR5K_PHY_SCLOCK); + ath5k_hw_reg_write(ah, AR5K_PHY_SDELAY_32MHZ, AR5K_PHY_SDELAY); + + if ((ah->ah_radio == AR5K_RF5112) || + (ah->ah_radio == AR5K_RF5413) || + (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4))) + spending = 0x14; + else + spending = 0x18; + ath5k_hw_reg_write(ah, spending, AR5K_PHY_SPENDING); + + if ((ah->ah_radio == AR5K_RF5112) || + (ah->ah_radio == AR5K_RF5413)) + usec32 = 39; + else + usec32 = 31; + AR5K_REG_WRITE_BITS(ah, AR5K_USEC_5211, AR5K_USEC_32, usec32); + + AR5K_REG_WRITE_BITS(ah, AR5K_TSF_PARM, AR5K_TSF_PARM_INC, 1); + } + return; +} + +static bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah, + struct ieee80211_channel *channel) +{ + u8 refclk_freq; + + if ((ah->ah_radio == AR5K_RF5112) || + (ah->ah_radio == AR5K_RF5413) || + (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4))) + refclk_freq = 40; + else + refclk_freq = 32; + + if ((channel->center_freq % refclk_freq != 0) && + ((channel->center_freq % refclk_freq < 10) || + (channel->center_freq % refclk_freq > 22))) + return true; + else + return false; +} + +/* TODO: Half/Quarter rate */ +static void ath5k_hw_tweak_initval_settings(struct ath5k_hw *ah, + struct ieee80211_channel *channel) +{ + if (ah->ah_version == AR5K_AR5212 && + ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) { + + /* Setup ADC control */ + ath5k_hw_reg_write(ah, + (AR5K_REG_SM(2, + AR5K_PHY_ADC_CTL_INBUFGAIN_OFF) | + AR5K_REG_SM(2, + AR5K_PHY_ADC_CTL_INBUFGAIN_ON) | + AR5K_PHY_ADC_CTL_PWD_DAC_OFF | + AR5K_PHY_ADC_CTL_PWD_ADC_OFF), + AR5K_PHY_ADC_CTL); + + + + /* Disable barker RSSI threshold */ + AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_DAG_CCK_CTL, + AR5K_PHY_DAG_CCK_CTL_EN_RSSI_THR); + + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_DAG_CCK_CTL, + AR5K_PHY_DAG_CCK_CTL_RSSI_THR, 2); + + /* Set the mute mask */ + ath5k_hw_reg_write(ah, 0x0000000f, AR5K_SEQ_MASK); + } + + /* Clear PHY_BLUETOOTH to allow RX_CLEAR line debug */ + if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212B) + ath5k_hw_reg_write(ah, 0, AR5K_PHY_BLUETOOTH); + + /* Enable DCU double buffering */ + if (ah->ah_phy_revision > AR5K_SREV_PHY_5212B) + AR5K_REG_DISABLE_BITS(ah, AR5K_TXCFG, + AR5K_TXCFG_DCU_DBL_BUF_DIS); + + /* Set DAC/ADC delays */ + if (ah->ah_version == AR5K_AR5212) { + u32 scal; + if (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4)) + scal = AR5K_PHY_SCAL_32MHZ_2417; + else if (ath5k_eeprom_is_hb63(ah)) + scal = AR5K_PHY_SCAL_32MHZ_HB63; + else + scal = AR5K_PHY_SCAL_32MHZ; + ath5k_hw_reg_write(ah, scal, AR5K_PHY_SCAL); + } + + /* Set fast ADC */ + if ((ah->ah_radio == AR5K_RF5413) || + (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4))) { + u32 fast_adc = true; + + if (channel->center_freq == 2462 || + channel->center_freq == 2467) + fast_adc = 0; + + /* Only update if needed */ + if (ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ADC) != fast_adc) + ath5k_hw_reg_write(ah, fast_adc, + AR5K_PHY_FAST_ADC); + } + + /* Fix for first revision of the RF5112 RF chipset */ + if (ah->ah_radio == AR5K_RF5112 && + ah->ah_radio_5ghz_revision < + AR5K_SREV_RAD_5112A) { + u32 data; + ath5k_hw_reg_write(ah, AR5K_PHY_CCKTXCTL_WORLD, + AR5K_PHY_CCKTXCTL); + if (channel->hw_value & CHANNEL_5GHZ) + data = 0xffb81020; + else + data = 0xffb80d20; + ath5k_hw_reg_write(ah, data, AR5K_PHY_FRAME_CTL); + } + + if (ah->ah_mac_srev < AR5K_SREV_AR5211) { + u32 usec_reg; + /* 5311 has different tx/rx latency masks + * from 5211, since we deal 5311 the same + * as 5211 when setting initvals, shift + * values here to their proper locations */ + usec_reg = ath5k_hw_reg_read(ah, AR5K_USEC_5211); + ath5k_hw_reg_write(ah, usec_reg & (AR5K_USEC_1 | + AR5K_USEC_32 | + AR5K_USEC_TX_LATENCY_5211 | + AR5K_REG_SM(29, + AR5K_USEC_RX_LATENCY_5210)), + AR5K_USEC_5211); + /* Clear QCU/DCU clock gating register */ + ath5k_hw_reg_write(ah, 0, AR5K_QCUDCU_CLKGT); + /* Set DAC/ADC delays */ + ath5k_hw_reg_write(ah, 0x08, AR5K_PHY_SCAL); + /* Enable PCU FIFO corruption ECO */ + AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW_5211, + AR5K_DIAG_SW_ECO_ENABLE); + } +} + +static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah, + struct ieee80211_channel *channel, u8 *ant, u8 ee_mode) +{ + struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; + + /* Set CCK to OFDM power delta */ + if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) { + int16_t cck_ofdm_pwr_delta; + + /* Adjust power delta for channel 14 */ + if (channel->center_freq == 2484) + cck_ofdm_pwr_delta = + ((ee->ee_cck_ofdm_power_delta - + ee->ee_scaled_cck_delta) * 2) / 10; + else + cck_ofdm_pwr_delta = + (ee->ee_cck_ofdm_power_delta * 2) / 10; + + if (channel->hw_value == CHANNEL_G) + ath5k_hw_reg_write(ah, + AR5K_REG_SM((ee->ee_cck_ofdm_power_delta * -1), + AR5K_PHY_TX_PWR_ADJ_CCK_GAIN_DELTA) | + AR5K_REG_SM((cck_ofdm_pwr_delta * -1), + AR5K_PHY_TX_PWR_ADJ_CCK_PCDAC_INDEX), + AR5K_PHY_TX_PWR_ADJ); + else + ath5k_hw_reg_write(ah, 0, AR5K_PHY_TX_PWR_ADJ); + } + + /* Set antenna idle switch table */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_ANT_CTL, + AR5K_PHY_ANT_CTL_SWTABLE_IDLE, + (ah->ah_antenna[ee_mode][0] | + AR5K_PHY_ANT_CTL_TXRX_EN)); + + /* Set antenna switch table */ + ath5k_hw_reg_write(ah, ah->ah_antenna[ee_mode][ant[0]], + AR5K_PHY_ANT_SWITCH_TABLE_0); + ath5k_hw_reg_write(ah, ah->ah_antenna[ee_mode][ant[1]], + AR5K_PHY_ANT_SWITCH_TABLE_1); + + /* Noise floor threshold */ + ath5k_hw_reg_write(ah, + AR5K_PHY_NF_SVAL(ee->ee_noise_floor_thr[ee_mode]), + AR5K_PHY_NFTHRES); + + if ((channel->hw_value & CHANNEL_TURBO) && + (ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_0)) { + /* Switch settling time (Turbo) */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_SETTLING, + AR5K_PHY_SETTLING_SWITCH, + ee->ee_switch_settling_turbo[ee_mode]); + + /* Tx/Rx attenuation (Turbo) */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_GAIN, + AR5K_PHY_GAIN_TXRX_ATTEN, + ee->ee_atn_tx_rx_turbo[ee_mode]); + + /* ADC/PGA desired size (Turbo) */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_DESIRED_SIZE, + AR5K_PHY_DESIRED_SIZE_ADC, + ee->ee_adc_desired_size_turbo[ee_mode]); + + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_DESIRED_SIZE, + AR5K_PHY_DESIRED_SIZE_PGA, + ee->ee_pga_desired_size_turbo[ee_mode]); + + /* Tx/Rx margin (Turbo) */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_GAIN_2GHZ, + AR5K_PHY_GAIN_2GHZ_MARGIN_TXRX, + ee->ee_margin_tx_rx_turbo[ee_mode]); + + } else { + /* Switch settling time */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_SETTLING, + AR5K_PHY_SETTLING_SWITCH, + ee->ee_switch_settling[ee_mode]); + + /* Tx/Rx attenuation */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_GAIN, + AR5K_PHY_GAIN_TXRX_ATTEN, + ee->ee_atn_tx_rx[ee_mode]); + + /* ADC/PGA desired size */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_DESIRED_SIZE, + AR5K_PHY_DESIRED_SIZE_ADC, + ee->ee_adc_desired_size[ee_mode]); + + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_DESIRED_SIZE, + AR5K_PHY_DESIRED_SIZE_PGA, + ee->ee_pga_desired_size[ee_mode]); + + /* Tx/Rx margin */ + if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_GAIN_2GHZ, + AR5K_PHY_GAIN_2GHZ_MARGIN_TXRX, + ee->ee_margin_tx_rx[ee_mode]); + } + + /* XPA delays */ + ath5k_hw_reg_write(ah, + (ee->ee_tx_end2xpa_disable[ee_mode] << 24) | + (ee->ee_tx_end2xpa_disable[ee_mode] << 16) | + (ee->ee_tx_frm2xpa_enable[ee_mode] << 8) | + (ee->ee_tx_frm2xpa_enable[ee_mode]), AR5K_PHY_RF_CTL4); + + /* XLNA delay */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_RF_CTL3, + AR5K_PHY_RF_CTL3_TXE2XLNA_ON, + ee->ee_tx_end2xlna_enable[ee_mode]); + + /* Thresh64 (ANI) */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_NF, + AR5K_PHY_NF_THRESH62, + ee->ee_thr_62[ee_mode]); + + + /* False detect backoff for channels + * that have spur noise. Write the new + * cyclic power RSSI threshold. */ + if (ath5k_hw_chan_has_spur_noise(ah, channel)) + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_OFDM_SELFCORR, + AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1, + AR5K_INIT_CYCRSSI_THR1 + + ee->ee_false_detect[ee_mode]); + else + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_OFDM_SELFCORR, + AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1, + AR5K_INIT_CYCRSSI_THR1); + + /* I/Q correction + * TODO: Per channel i/q infos ? */ + AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, + AR5K_PHY_IQ_CORR_ENABLE | + (ee->ee_i_cal[ee_mode] << AR5K_PHY_IQ_CORR_Q_I_COFF_S) | + ee->ee_q_cal[ee_mode]); + + /* Heavy clipping -disable for now */ + if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_1) + ath5k_hw_reg_write(ah, 0, AR5K_PHY_HEAVY_CLIP_ENABLE); + + return; +} + +/* * Main reset function */ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, struct ieee80211_channel *channel, bool change_channel) { - struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; - struct pci_dev *pdev = ah->ah_sc->pdev; - u32 data, s_seq, s_ant, s_led[3], dma_size; - unsigned int i, mode, freq, ee_mode, ant[2]; - int ret; + u32 s_seq[10], s_ant, s_led[3], staid1_flags, tsf_up, tsf_lo; + u32 phy_tst1; + u8 mode, freq, ee_mode, ant[2]; + int i, ret; ATH5K_TRACE(ah->ah_sc); - s_seq = 0; s_ant = 0; ee_mode = 0; + staid1_flags = 0; + tsf_up = 0; + tsf_lo = 0; freq = 0; mode = 0; @@ -427,36 +830,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, */ /*DCU/Antenna selection not available on 5210*/ if (ah->ah_version != AR5K_AR5210) { - if (change_channel) { - /* Seq number for queue 0 -do this for all queues ? */ - s_seq = ath5k_hw_reg_read(ah, - AR5K_QUEUE_DFS_SEQNUM(0)); - /*Default antenna*/ - s_ant = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA); - } - } - - /*GPIOs*/ - s_led[0] = ath5k_hw_reg_read(ah, AR5K_PCICFG) & AR5K_PCICFG_LEDSTATE; - s_led[1] = ath5k_hw_reg_read(ah, AR5K_GPIOCR); - s_led[2] = ath5k_hw_reg_read(ah, AR5K_GPIODO); - - - /*Wakeup the device*/ - ret = ath5k_hw_nic_wakeup(ah, channel->hw_value, false); - if (ret) - return ret; - - /* - * Initialize operating mode - */ - ah->ah_op_mode = op_mode; - - /* - * 5111/5112 Settings - * 5210 only comes with RF5110 - */ - if (ah->ah_version != AR5K_AR5210) { switch (channel->hw_value & CHANNEL_MODES) { case CHANNEL_A: @@ -479,8 +852,12 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, freq = AR5K_INI_RFGAIN_5GHZ; ee_mode = AR5K_EEPROM_MODE_11A; break; - /*Is this ok on 5211 too ?*/ case CHANNEL_TG: + if (ah->ah_version == AR5K_AR5211) { + ATH5K_ERR(ah->ah_sc, + "TurboG mode not available on 5211"); + return -EINVAL; + } mode = AR5K_MODE_11G_TURBO; freq = AR5K_INI_RFGAIN_2GHZ; ee_mode = AR5K_EEPROM_MODE_11G; @@ -501,11 +878,93 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, return -EINVAL; } + if (change_channel) { + /* + * Save frame sequence count + * For revs. after Oahu, only save + * seq num for DCU 0 (Global seq num) + */ + if (ah->ah_mac_srev < AR5K_SREV_AR5211) { + + for (i = 0; i < 10; i++) + s_seq[i] = ath5k_hw_reg_read(ah, + AR5K_QUEUE_DCU_SEQNUM(i)); + + } else { + s_seq[0] = ath5k_hw_reg_read(ah, + AR5K_QUEUE_DCU_SEQNUM(0)); + } + + /* TSF accelerates on AR5211 durring reset + * As a workaround save it here and restore + * it later so that it's back in tim |