diff options
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_chip.c')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_chip.c | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index aa792821854..7c4e32cf0d4 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -42,12 +42,11 @@ void zd_chip_init(struct zd_chip *chip, void zd_chip_clear(struct zd_chip *chip) { - mutex_lock(&chip->mutex); + ZD_ASSERT(!mutex_is_locked(&chip->mutex)); zd_usb_clear(&chip->usb); zd_rf_clear(&chip->rf); - mutex_unlock(&chip->mutex); mutex_destroy(&chip->mutex); - memset(chip, 0, sizeof(*chip)); + ZD_MEMCLEAR(chip, sizeof(*chip)); } static int scnprint_mac_oui(const u8 *addr, char *buffer, size_t size) @@ -68,10 +67,11 @@ static int scnprint_id(struct zd_chip *chip, char *buffer, size_t size) i += scnprint_mac_oui(chip->e2p_mac, buffer+i, size-i); i += scnprintf(buffer+i, size-i, " "); i += zd_rf_scnprint_id(&chip->rf, buffer+i, size-i); - i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c", chip->pa_type, + i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c", chip->pa_type, chip->patch_cck_gain ? 'g' : '-', chip->patch_cr157 ? '7' : '-', - chip->patch_6m_band_edge ? '6' : '-'); + chip->patch_6m_band_edge ? '6' : '-', + chip->new_phy_layout ? 'N' : '-'); return i; } @@ -330,13 +330,14 @@ static int read_pod(struct zd_chip *chip, u8 *rf_type) chip->patch_cck_gain = (value >> 8) & 0x1; chip->patch_cr157 = (value >> 13) & 0x1; chip->patch_6m_band_edge = (value >> 21) & 0x1; + chip->new_phy_layout = (value >> 31) & 0x1; dev_dbg_f(zd_chip_dev(chip), "RF %s %#01x PA type %#01x patch CCK %d patch CR157 %d " - "patch 6M %d\n", + "patch 6M %d new PHY %d\n", zd_rf_name(*rf_type), *rf_type, chip->pa_type, chip->patch_cck_gain, - chip->patch_cr157, chip->patch_6m_band_edge); + chip->patch_cr157, chip->patch_6m_band_edge, chip->new_phy_layout); return 0; error: *rf_type = 0; @@ -344,6 +345,7 @@ error: chip->patch_cck_gain = 0; chip->patch_cr157 = 0; chip->patch_6m_band_edge = 0; + chip->new_phy_layout = 0; return r; } @@ -717,7 +719,7 @@ static int zd1211b_hw_reset_phy(struct zd_chip *chip) { CR21, 0x0e }, { CR22, 0x23 }, { CR23, 0x90 }, { CR24, 0x14 }, { CR25, 0x40 }, { CR26, 0x10 }, { CR27, 0x10 }, { CR28, 0x7f }, { CR29, 0x80 }, - { CR30, 0x49 }, /* jointly decoder, no ASIC */ + { CR30, 0x4b }, /* ASIC/FWT, no jointly decoder */ { CR31, 0x60 }, { CR32, 0x43 }, { CR33, 0x08 }, { CR34, 0x06 }, { CR35, 0x0a }, { CR36, 0x00 }, { CR37, 0x00 }, { CR38, 0x38 }, { CR39, 0x0c }, @@ -807,7 +809,6 @@ static int zd1211_hw_init_hmac(struct zd_chip *chip) { CR_ACK_TIMEOUT_EXT, 0x80 }, { CR_ADDA_PWR_DWN, 0x00 }, { CR_ACK_TIME_80211, 0x100 }, - { CR_IFS_VALUE, 0x547c032 }, { CR_RX_PE_DELAY, 0x70 }, { CR_PS_CTRL, 0x10000000 }, { CR_RTS_CTS_RATE, 0x02030203 }, @@ -854,11 +855,10 @@ static int zd1211b_hw_init_hmac(struct zd_chip *chip) { CR_ACK_TIMEOUT_EXT, 0x80 }, { CR_ADDA_PWR_DWN, 0x00 }, { CR_ACK_TIME_80211, 0x100 }, - { CR_IFS_VALUE, 0x547c032 }, { CR_RX_PE_DELAY, 0x70 }, { CR_PS_CTRL, 0x10000000 }, { CR_RTS_CTS_RATE, 0x02030203 }, - { CR_RX_THRESHOLD, 0x000c0640 }, + { CR_RX_THRESHOLD, 0x000c0eff, }, { CR_AFTER_PNP, 0x1 }, { CR_WEP_PROTECT, 0x114 }, }; @@ -970,10 +970,15 @@ static int hw_init(struct zd_chip *chip) r = hw_init_hmac(chip); if (r) return r; - r = set_beacon_interval(chip, 100); + + /* Although the vendor driver defaults to a different value during + * init, it overwrites the IFS value with the following every time + * the channel changes. We should aim to be more intelligent... */ + r = zd_iowrite32_locked(chip, IFS_VALUE_DEFAULT, CR_IFS_VALUE); if (r) return r; - return 0; + + return set_beacon_interval(chip, 100); } #ifdef DEBUG @@ -1644,3 +1649,34 @@ int zd_rfwritev_locked(struct zd_chip *chip, return 0; } + +/* + * We can optionally program the RF directly through CR regs, if supported by + * the hardware. This is much faster than the older method. + */ +int zd_rfwrite_cr_locked(struct zd_chip *chip, u32 value) +{ + struct zd_ioreq16 ioreqs[] = { + { CR244, (value >> 16) & 0xff }, + { CR243, (value >> 8) & 0xff }, + { CR242, value & 0xff }, + }; + ZD_ASSERT(mutex_is_locked(&chip->mutex)); + return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); +} + +int zd_rfwritev_cr_locked(struct zd_chip *chip, + const u32 *values, unsigned int count) +{ + int r; + unsigned int i; + + for (i = 0; i < count; i++) { + r = zd_rfwrite_cr_locked(chip, values[i]); + if (r) + return r; + } + + return 0; +} + |