#include <linux/delay.h>
#include "mt76x2.h"
#include "eeprom.h"
#include "mcu.h"
#include "../mt76x02_mac.h"
static void
mt76x2_mac_pbf_init(struct mt76x02_dev *dev)
{
u32 val;
val = MT_PBF_SYS_CTRL_MCU_RESET |
MT_PBF_SYS_CTRL_DMA_RESET |
MT_PBF_SYS_CTRL_MAC_RESET |
MT_PBF_SYS_CTRL_PBF_RESET |
MT_PBF_SYS_CTRL_ASY_RESET;
mt76_set(dev, MT_PBF_SYS_CTRL, val);
mt76_clear(dev, MT_PBF_SYS_CTRL, val);
mt76_wr(dev, MT_PBF_TX_MAX_PCNT, 0xefef3f1f);
mt76_wr(dev, MT_PBF_RX_MAX_PCNT, 0xfebf);
}
static void
mt76x2_fixup_xtal(struct mt76x02_dev *dev)
{
u16 eep_val;
s8 offset = 0;
eep_val = mt76x02_eeprom_get(dev, MT_EE_XTAL_TRIM_2);
offset = eep_val & 0x7f;
if ((eep_val & 0xff) == 0xff)
offset = 0;
else if (eep_val & 0x80)
offset = 0 - offset;
eep_val >>= 8;
if (eep_val == 0x00 || eep_val == 0xff) {
eep_val = mt76x02_eeprom_get(dev, MT_EE_XTAL_TRIM_1);
eep_val &= 0xff;
if (eep_val == 0x00 || eep_val == 0xff)
eep_val = 0x14;
}
eep_val &= 0x7f;
mt76_rmw_field(dev, MT_XO_CTRL5, MT_XO_CTRL5_C2_VAL, eep_val + offset);
mt76_set(dev, MT_XO_CTRL6, MT_XO_CTRL6_C2_CTRL);
eep_val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_2);
switch (FIELD_GET(MT_EE_NIC_CONF_2_XTAL_OPTION, eep_val)) {
case 0:
mt76_wr(dev, MT_XO_CTRL7, 0x5c1fee80);
break;
case 1:
mt76_wr(dev, MT_XO_CTRL7, 0x5c1feed0);
break;
default:
break;
}
}
int mt76x2_mac_reset(struct mt76x02_dev *dev, bool hard)
{
const u8 *macaddr = dev->mphy.macaddr;
u32 val;
int i, k;
if (!mt76x02_wait_for_mac(&dev->mt76))
return -ETIMEDOUT;
val = mt76_rr(dev, MT_WPDMA_GLO_CFG);
val &= ~(MT_WPDMA_GLO_CFG_TX_DMA_EN |
MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
MT_WPDMA_GLO_CFG_RX_DMA_EN |
MT_WPDMA_GLO_CFG_RX_DMA_BUSY |
MT_WPDMA_GLO_CFG_DMA_BURST_SIZE);
val |= FIELD_PREP(MT_WPDMA_GLO_CFG_DMA_BURST_SIZE, 3);
mt76_wr(dev, MT_WPDMA_GLO_CFG, val);
mt76x2_mac_pbf_init(dev);
mt76_write_mac_initvals(dev);
mt76x2_fixup_xtal(dev);
mt76_clear(dev, MT_MAC_SYS_CTRL,
MT_MAC_SYS_CTRL_RESET_CSR |
MT_MAC_SYS_CTRL_RESET_BBP);
if (is_mt7612(dev))
mt76_clear(dev, MT_COEXCFG0, MT_COEXCFG0_COEX_EN);
mt76_set(dev, MT_EXT_CCA_CFG, 0x0000f000);
mt76_clear(dev, MT_TX_ALC_CFG_4, BIT(31));
mt76_wr(dev, MT_RF_BYPASS_0, 0x06000000);
mt76_wr(dev, MT_RF_SETTING_0, 0x08800000);
usleep_range(5000, 10000);
mt76_wr(dev, MT_RF_BYPASS_0, 0x00000000);
mt76_wr(dev, MT_MCU_CLOCK_CTL, 0x1401);
mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN);
mt76x02_mac_setaddr(dev, macaddr);
mt76x02e_init_beacon_config(dev);
if (!hard)
return 0;
for (i = 0; i < 256 / 32; i++)
mt76_wr(dev, MT_WCID_DROP_BASE + i * 4, 0);
for (i = 0; i < 256; i++) {
mt76x02_mac_wcid_setup(dev, i, 0, NULL);
mt76_wr(dev, MT_WCID_TX_RATE(i), 0);
mt76_wr(dev, MT_WCID_TX_RATE(i) + 4, 0);
}
for (i = 0; i < MT_MAX_VIFS; i++)
mt76x02_mac_wcid_setup(dev, MT_VIF_WCID(i), i, NULL);
for (i = 0; i < 16; i++)
for (k = 0; k < 4; k++)
mt76x02_mac_shared_key_setup(dev, i, k, NULL);
for (i = 0; i < 16; i++)
mt76_rr(dev, MT_TX_STAT_FIFO);
mt76x02_set_tx_ackto(dev);
return 0;
}
static void
mt76x2_power_on_rf_patch(struct mt76x02_dev *dev)
{
mt76_set(dev, 0x10130, BIT(0) | BIT(16));
udelay(1);
mt76_clear(dev, 0x1001c, 0xff);
mt76_set(dev, 0x1001c, 0x30);
mt76_wr(dev, 0x10014, 0x484f);
udelay(1);
mt76_set(dev, 0x10130, BIT(17));
udelay(125);
mt76_clear(dev, 0x10130, BIT(16));
udelay(50);
mt76_set(dev, 0x1014c, BIT(19) | BIT(20));
}
static void
mt76x2_power_on_rf(struct mt76x02_dev *dev, int unit)
{
int shift = unit ? 8 : 0;
mt76_set(dev, 0x10130, BIT(0) << shift);
udelay(10);
mt76_set(dev, 0x10130, (BIT(1) | BIT(3) | BIT(4) | BIT(5)) << shift);
udelay(10);
mt76_clear(dev, 0x10130, BIT(2) << shift);
udelay(10);
mt76x2_power_on_rf_patch(dev);
mt76_set(dev, 0x530, 0xf);
}
static void
mt76x2_power_on(struct mt76x02_dev *dev)
{
u32 val;
mt76_set(dev, MT_WLAN_MTC_CTRL, MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP);
val = MT_WLAN_MTC_CTRL_STATE_UP |
MT_WLAN_MTC_CTRL_PWR_ACK |
MT_WLAN_MTC_CTRL_PWR_ACK_S;
mt76_poll(dev, MT_WLAN_MTC_CTRL, val, val, 1000);
mt76_clear(dev, MT_WLAN_MTC_CTRL, 0x7f << 16);
udelay(10);
mt76_clear(dev, MT_WLAN_MTC_CTRL, 0xf << 24);
udelay(10);
mt76_set(dev, MT_WLAN_MTC_CTRL, 0xf << 24);
mt76_clear(dev, MT_WLAN_MTC_CTRL, 0xfff);
mt76_clear(dev, 0x11204, BIT(3));
mt76_set(dev, 0x10080, BIT(0));
mt76_clear(dev, 0x10064, BIT(18));
mt76x2_power_on_rf(dev, 0);
mt76x2_power_on_rf(dev, 1);
}
int mt76x2_resume_device(struct mt76x02_dev *dev)
{
int err;
mt76x02_dma_disable(dev);
mt76x2_reset_wlan(dev, true);
mt76x2_power_on(dev);
err = mt76x2_mac_reset(dev, true);
if (err)
return err;
mt76x02_mac_start(dev);
return mt76x2_mcu_init(dev);
}
static int mt76x2_init_hardware(struct mt76x02_dev *dev)
{
int ret;
mt76x02_dma_disable(dev);
mt76x2_reset_wlan(dev, true);
mt76x2_power_on(dev);
ret = mt76x2_eeprom_init(dev);
if (ret)
return ret;
ret = mt76x2_mac_reset(dev, true);
if (ret)
return ret;
dev->mt76.rxfilter = mt76_rr(dev, MT_RX_FILTR_CFG);
ret = mt76x02_dma_init(dev);
if (ret)
return ret;
set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
mt76x02_mac_start(dev);
ret = mt76x2_mcu_init(dev);
if (ret)
return ret;
mt76x2_mac_stop(dev, false);
return 0;
}
void mt76x2_stop_hardware(struct mt76x02_dev *dev)
{
cancel_delayed_work_sync(&dev->cal_work);
cancel_delayed_work_sync(&dev->mphy.mac_work);
cancel_delayed_work_sync(&dev->wdt_work);
clear_bit(MT76_RESTART, &dev->mphy.state);
mt76x02_mcu_set_radio_state(dev, false);
mt76x2_mac_stop(dev, false);
}
void mt76x2_cleanup(struct mt76x02_dev *dev)
{
tasklet_disable(&dev->dfs_pd.dfs_tasklet);
tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
mt76x2_stop_hardware(dev);
mt76_dma_cleanup(&dev->mt76);
mt76x02_mcu_cleanup(dev);
}
int mt76x2_register_device(struct mt76x02_dev *dev)
{
int ret;
INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate);
ret = mt76x02_init_device(dev);
if (ret)
return ret;
ret = mt76x2_init_hardware(dev);
if (ret)
return ret;
mt76x02_config_mac_addr_list(dev);
ret = mt76_register_device(&dev->mt76, true, mt76x02_rates,
ARRAY_SIZE(mt76x02_rates));
if (ret)
goto fail;
mt76x02_init_debugfs(dev);
mt76x2_init_txpower(dev, &dev->mphy.sband_2g.sband);
mt76x2_init_txpower(dev, &dev->mphy.sband_5g.sband);
return 0;
fail:
mt76x2_stop_hardware(dev);
return ret;
}
