diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2800lib.c | 366 |
1 files changed, 365 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 5119bf071936..e6d6c75dc2ce 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2168,6 +2168,303 @@ static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev, rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); } +static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev, + struct ieee80211_conf *conf, + struct rf_channel *rf, + struct channel_info *info) +{ + struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; + u8 txrx_agc_fc; + u8 txrx_h20m; + u8 rfcsr; + u8 bbp; + const bool txbf_enabled = false; /* TODO */ + + /* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */ + rt2800_bbp_read(rt2x00dev, 109, &bbp); + rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0); + rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0); + rt2800_bbp_write(rt2x00dev, 109, bbp); + + rt2800_bbp_read(rt2x00dev, 110, &bbp); + rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0); + rt2800_bbp_write(rt2x00dev, 110, bbp); + + if (rf->channel <= 14) { + /* Restore BBP 25 & 26 for 2.4 GHz */ + rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25); + rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26); + } else { + /* Hard code BBP 25 & 26 for 5GHz */ + + /* Enable IQ Phase correction */ + rt2800_bbp_write(rt2x00dev, 25, 0x09); + /* Setup IQ Phase correction value */ + rt2800_bbp_write(rt2x00dev, 26, 0xff); + } + + rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); + rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf); + + rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3)); + rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1); + if (rf->channel <= 14) + rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1); + else + rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2); + rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 53, &rfcsr); + if (rf->channel <= 14) { + rfcsr = 0; + rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER, + info->default_power1 & 0x1f); + } else { + if (rt2x00_is_usb(rt2x00dev)) + rfcsr = 0x40; + + rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER, + ((info->default_power1 & 0x18) << 1) | + (info->default_power1 & 7)); + } + rt2800_rfcsr_write(rt2x00dev, 53, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 55, &rfcsr); + if (rf->channel <= 14) { + rfcsr = 0; + rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER, + info->default_power2 & 0x1f); + } else { + if (rt2x00_is_usb(rt2x00dev)) + rfcsr = 0x40; + + rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER, + ((info->default_power2 & 0x18) << 1) | + (info->default_power2 & 7)); + } + rt2800_rfcsr_write(rt2x00dev, 55, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 54, &rfcsr); + if (rf->channel <= 14) { + rfcsr = 0; + rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER, + info->default_power3 & 0x1f); + } else { + if (rt2x00_is_usb(rt2x00dev)) + rfcsr = 0x40; + + rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER, + ((info->default_power3 & 0x18) << 1) | + (info->default_power3 & 7)); + } + rt2800_rfcsr_write(rt2x00dev, 54, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); + rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); + + switch (rt2x00dev->default_ant.tx_chain_num) { + case 3: + rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); + /* fallthrough */ + case 2: + rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); + /* fallthrough */ + case 1: + rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); + break; + } + + switch (rt2x00dev->default_ant.rx_chain_num) { + case 3: + rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); + /* fallthrough */ + case 2: + rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); + /* fallthrough */ + case 1: + rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); + break; + } + rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); + + /* TODO: frequency calibration? */ + + if (conf_is_ht40(conf)) { + txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40, + RFCSR24_TX_AGC_FC); + txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40, + RFCSR24_TX_H20M); + } else { + txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20, + RFCSR24_TX_AGC_FC); + txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20, + RFCSR24_TX_H20M); + } + + /* NOTE: the reference driver does not writes the new value + * back to RFCSR 32 + */ + rt2800_rfcsr_read(rt2x00dev, 32, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc); + + if (rf->channel <= 14) + rfcsr = 0xa0; + else + rfcsr = 0x80; + rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m); + rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m); + rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); + + /* Band selection */ + rt2800_rfcsr_read(rt2x00dev, 36, &rfcsr); + if (rf->channel <= 14) + rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1); + else + rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0); + rt2800_rfcsr_write(rt2x00dev, 36, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 34, &rfcsr); + if (rf->channel <= 14) + rfcsr = 0x3c; + else + rfcsr = 0x20; + rt2800_rfcsr_write(rt2x00dev, 34, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr); + if (rf->channel <= 14) + rfcsr = 0x1a; + else + rfcsr = 0x12; + rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr); + if (rf->channel >= 1 && rf->channel <= 14) + rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1); + else if (rf->channel >= 36 && rf->channel <= 64) + rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2); + else if (rf->channel >= 100 && rf->channel <= 128) + rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2); + else + rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1); + rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2); + rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); + + rt2800_rfcsr_write(rt2x00dev, 46, 0x60); + + if (rf->channel <= 14) { + rt2800_rfcsr_write(rt2x00dev, 10, 0xd3); + rt2800_rfcsr_write(rt2x00dev, 13, 0x12); + } else { + rt2800_rfcsr_write(rt2x00dev, 10, 0xd8); + rt2800_rfcsr_write(rt2x00dev, 13, 0x23); + } + + rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1); + rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr); + if (rf->channel <= 14) { + rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5); + rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3); + } else { + rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4); + rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2); + } + rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr); + if (rf->channel <= 14) + rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3); + else + rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2); + + if (txbf_enabled) + rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1); + + rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0); + rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 57, &rfcsr); + if (rf->channel <= 14) + rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b); + else + rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f); + rt2800_rfcsr_write(rt2x00dev, 57, rfcsr); + + if (rf->channel <= 14) { + rt2800_rfcsr_write(rt2x00dev, 44, 0x93); + rt2800_rfcsr_write(rt2x00dev, 52, 0x45); + } else { + rt2800_rfcsr_write(rt2x00dev, 44, 0x9b); + rt2800_rfcsr_write(rt2x00dev, 52, 0x05); + } + + /* Initiate VCO calibration */ + rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr); + if (rf->channel <= 14) { + rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); + } else { + rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1); + rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1); + rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1); + rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1); + rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1); + rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); + } + rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); + + if (rf->channel >= 1 && rf->channel <= 14) { + rfcsr = 0x23; + if (txbf_enabled) + rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); + rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); + + rt2800_rfcsr_write(rt2x00dev, 45, 0xbb); + } else if (rf->channel >= 36 && rf->channel <= 64) { + rfcsr = 0x36; + if (txbf_enabled) + rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); + rt2800_rfcsr_write(rt2x00dev, 39, 0x36); + + rt2800_rfcsr_write(rt2x00dev, 45, 0xeb); + } else if (rf->channel >= 100 && rf->channel <= 128) { + rfcsr = 0x32; + if (txbf_enabled) + rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); + rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); + + rt2800_rfcsr_write(rt2x00dev, 45, 0xb3); + } else { + rfcsr = 0x30; + if (txbf_enabled) + rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); + rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); + + rt2800_rfcsr_write(rt2x00dev, 45, 0x9b); + } +} + #define POWER_BOUND 0x27 #define POWER_BOUND_5G 0x2b #define FREQ_OFFSET_BOUND 0x5f @@ -2784,6 +3081,9 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, case RF3052: rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info); break; + case RF3053: + rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info); + break; case RF3290: rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info); break; @@ -2829,6 +3129,23 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 27, 0x20); rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain); + } else if (rt2x00_rt(rt2x00dev, RT3593)) { + if (rf->channel > 14) { + /* Disable CCK Packet detection on 5GHz */ + rt2800_bbp_write(rt2x00dev, 70, 0x00); + } else { + rt2800_bbp_write(rt2x00dev, 70, 0x0a); + } + + if (conf_is_ht40(conf)) + rt2800_bbp_write(rt2x00dev, 105, 0x04); + else + rt2800_bbp_write(rt2x00dev, 105, 0x34); + + rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); + rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); + rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); + rt2800_bbp_write(rt2x00dev, 77, 0x98); } else { rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); @@ -2844,16 +3161,27 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 75, 0x46); } else { - rt2800_bbp_write(rt2x00dev, 82, 0x84); + if (rt2x00_rt(rt2x00dev, RT3593)) + rt2800_bbp_write(rt2x00dev, 82, 0x62); + else + rt2800_bbp_write(rt2x00dev, 82, 0x84); rt2800_bbp_write(rt2x00dev, 75, 0x50); } + if (rt2x00_rt(rt2x00dev, RT3593)) + rt2800_bbp_write(rt2x00dev, 83, 0x8a); } + } else { if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_bbp_write(rt2x00dev, 82, 0x94); + else if (rt2x00_rt(rt2x00dev, RT3593)) + rt2800_bbp_write(rt2x00dev, 82, 0x82); else rt2800_bbp_write(rt2x00dev, 82, 0xf2); + if (rt2x00_rt(rt2x00dev, RT3593)) + rt2800_bbp_write(rt2x00dev, 83, 0x9a); + if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags)) rt2800_bbp_write(rt2x00dev, 75, 0x46); else @@ -2924,6 +3252,41 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_rfcsr_write(rt2x00dev, 8, 0x80); + if (rt2x00_rt(rt2x00dev, RT3593)) { + if (rt2x00_is_usb(rt2x00dev)) { + rt2800_register_read(rt2x00dev, GPIO_CTRL, ®); + + /* Band selection. GPIO #8 controls all paths */ + rt2x00_set_field32(®, GPIO_CTRL_DIR8, 0); + if (rf->channel <= 14) + rt2x00_set_field32(®, GPIO_CTRL_VAL8, 1); + else + rt2x00_set_field32(®, GPIO_CTRL_VAL8, 0); + + rt2x00_set_field32(®, GPIO_CTRL_DIR4, 0); + rt2x00_set_field32(®, GPIO_CTRL_DIR7, 0); + + /* LNA PE control. + * GPIO #4 controls PE0 and PE1, + * GPIO #7 controls PE2 + */ + rt2x00_set_field32(®, GPIO_CTRL_VAL4, 1); + rt2x00_set_field32(®, GPIO_CTRL_VAL7, 1); + + rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); + } + + /* AGC init */ + if (rf->channel <= 14) + reg = 0x1c + 2 * rt2x00dev->lna_gain; + else + reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3); + + rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); + + usleep_range(1000, 1500); + } + if (rt2x00_rt(rt2x00dev, RT5592)) { rt2800_bbp_write(rt2x00dev, 195, 141); rt2800_bbp_write(rt2x00dev, 196, conf_is_ht40(conf) ? 0x10 : 0x1a); @@ -5883,6 +6246,7 @@ static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev) /* FIXME: BBP 105 owerwrite? */ rt2800_bbp_write(rt2x00dev, 105, 0x04); + } static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev) |