diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/soc.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/soc.c | 1212 |
1 files changed, 1212 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c new file mode 100644 index 000000000000..3028c02cb840 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c @@ -0,0 +1,1212 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2022 MediaTek Inc. */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pinctrl/consumer.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_reserved_mem.h> +#include <linux/of_gpio.h> +#include <linux/iopoll.h> +#include <linux/reset.h> +#include <linux/of_net.h> + +#include "mt7915.h" + +/* INFRACFG */ +#define MT_INFRACFG_CONN2AP_SLPPROT 0x0d0 +#define MT_INFRACFG_AP2CONN_SLPPROT 0x0d4 + +#define MT_INFRACFG_RX_EN_MASK BIT(16) +#define MT_INFRACFG_TX_RDY_MASK BIT(4) +#define MT_INFRACFG_TX_EN_MASK BIT(0) + +/* TOP POS */ +#define MT_TOP_POS_FAST_CTRL 0x114 +#define MT_TOP_POS_FAST_EN_MASK BIT(3) + +#define MT_TOP_POS_SKU 0x21c +#define MT_TOP_POS_SKU_MASK GENMASK(31, 28) +#define MT_TOP_POS_SKU_ADIE_DBDC_MASK BIT(2) + +enum { + ADIE_SB, + ADIE_DBDC +}; + +static int +mt76_wmac_spi_read(struct mt7915_dev *dev, u8 adie, u32 addr, u32 *val) +{ + int ret; + u32 cur; + + ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_TOP_SPI_BUSY_CR(adie)); + if (ret) + return ret; + + mt76_wr(dev, MT_TOP_SPI_ADDR_CR(adie), + MT_TOP_SPI_READ_ADDR_FORMAT | addr); + mt76_wr(dev, MT_TOP_SPI_WRITE_DATA_CR(adie), 0); + + ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_TOP_SPI_BUSY_CR(adie)); + if (ret) + return ret; + + *val = mt76_rr(dev, MT_TOP_SPI_READ_DATA_CR(adie)); + + return 0; +} + +static int +mt76_wmac_spi_write(struct mt7915_dev *dev, u8 adie, u32 addr, u32 val) +{ + int ret; + u32 cur; + + ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_TOP_SPI_BUSY_CR(adie)); + if (ret) + return ret; + + mt76_wr(dev, MT_TOP_SPI_ADDR_CR(adie), + MT_TOP_SPI_WRITE_ADDR_FORMAT | addr); + mt76_wr(dev, MT_TOP_SPI_WRITE_DATA_CR(adie), val); + + return read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_TOP_SPI_BUSY_CR(adie)); +} + +static int +mt76_wmac_spi_rmw(struct mt7915_dev *dev, u8 adie, + u32 addr, u32 mask, u32 val) +{ + u32 cur, ret; + + ret = mt76_wmac_spi_read(dev, adie, addr, &cur); + if (ret) + return ret; + + cur &= ~mask; + cur |= val; + + return mt76_wmac_spi_write(dev, adie, addr, cur); +} + +static int +mt7986_wmac_adie_efuse_read(struct mt7915_dev *dev, u8 adie, + u32 addr, u32 *data) +{ + int ret, temp; + u32 val, mask; + + ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_EFUSE_CFG, + MT_ADIE_EFUSE_CTRL_MASK); + if (ret) + return ret; + + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_EFUSE2_CTRL, BIT(30), 0x0); + if (ret) + return ret; + + mask = (MT_ADIE_EFUSE_MODE_MASK | MT_ADIE_EFUSE_ADDR_MASK | + MT_ADIE_EFUSE_KICK_MASK); + val = FIELD_PREP(MT_ADIE_EFUSE_MODE_MASK, 0) | + FIELD_PREP(MT_ADIE_EFUSE_ADDR_MASK, addr) | + FIELD_PREP(MT_ADIE_EFUSE_KICK_MASK, 1); + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_EFUSE2_CTRL, mask, val); + if (ret) + return ret; + + ret = read_poll_timeout(mt76_wmac_spi_read, temp, + !temp && !FIELD_GET(MT_ADIE_EFUSE_KICK_MASK, val), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, adie, MT_ADIE_EFUSE2_CTRL, &val); + if (ret) + return ret; + + ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_EFUSE2_CTRL, &val); + if (ret) + return ret; + + if (FIELD_GET(MT_ADIE_EFUSE_VALID_MASK, val) == 1) + ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_EFUSE_RDATA0, + data); + + return ret; +} + +static inline void mt76_wmac_spi_lock(struct mt7915_dev *dev) +{ + u32 cur; + + read_poll_timeout(mt76_rr, cur, + FIELD_GET(MT_SEMA_RFSPI_STATUS_MASK, cur), + 1000, 1000 * MSEC_PER_SEC, false, dev, + MT_SEMA_RFSPI_STATUS); +} + +static inline void mt76_wmac_spi_unlock(struct mt7915_dev *dev) +{ + mt76_wr(dev, MT_SEMA_RFSPI_RELEASE, 1); +} + +static u32 mt76_wmac_rmw(void __iomem *base, u32 offset, u32 mask, u32 val) +{ + val |= readl(base + offset) & ~mask; + writel(val, base + offset); + + return val; +} + +static u8 mt7986_wmac_check_adie_type(struct mt7915_dev *dev) +{ + u32 val; + + val = readl(dev->sku + MT_TOP_POS_SKU); + + return FIELD_GET(MT_TOP_POS_SKU_ADIE_DBDC_MASK, val); +} + +static int mt7986_wmac_consys_reset(struct mt7915_dev *dev, bool enable) +{ + if (!enable) + return reset_control_assert(dev->rstc); + + mt76_wmac_rmw(dev->sku, MT_TOP_POS_FAST_CTRL, + MT_TOP_POS_FAST_EN_MASK, + FIELD_PREP(MT_TOP_POS_FAST_EN_MASK, 0x1)); + + return reset_control_deassert(dev->rstc); +} + +static int mt7986_wmac_gpio_setup(struct mt7915_dev *dev) +{ + struct pinctrl_state *state; + struct pinctrl *pinctrl; + int ret; + u8 type; + + type = mt7986_wmac_check_adie_type(dev); + pinctrl = devm_pinctrl_get(dev->mt76.dev); + if (IS_ERR(pinctrl)) + return PTR_ERR(pinctrl); + + switch (type) { + case ADIE_SB: + state = pinctrl_lookup_state(pinctrl, "default"); + if (IS_ERR_OR_NULL(state)) + return -EINVAL; + break; + case ADIE_DBDC: + state = pinctrl_lookup_state(pinctrl, "dbdc"); + if (IS_ERR_OR_NULL(state)) + return -EINVAL; + break; + } + + ret = pinctrl_select_state(pinctrl, state); + if (ret) + return ret; + + usleep_range(500, 1000); + + return 0; +} + +static int mt7986_wmac_consys_lockup(struct mt7915_dev *dev, bool enable) +{ + int ret; + u32 cur; + + mt76_wmac_rmw(dev->dcm, MT_INFRACFG_AP2CONN_SLPPROT, + MT_INFRACFG_RX_EN_MASK, + FIELD_PREP(MT_INFRACFG_RX_EN_MASK, enable)); + ret = read_poll_timeout(readl, cur, !(cur & MT_INFRACFG_RX_EN_MASK), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev->dcm + MT_INFRACFG_AP2CONN_SLPPROT); + if (ret) + return ret; + + mt76_wmac_rmw(dev->dcm, MT_INFRACFG_AP2CONN_SLPPROT, + MT_INFRACFG_TX_EN_MASK, + FIELD_PREP(MT_INFRACFG_TX_EN_MASK, enable)); + ret = read_poll_timeout(readl, cur, !(cur & MT_INFRACFG_TX_RDY_MASK), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev->dcm + MT_INFRACFG_AP2CONN_SLPPROT); + if (ret) + return ret; + + mt76_wmac_rmw(dev->dcm, MT_INFRACFG_CONN2AP_SLPPROT, + MT_INFRACFG_RX_EN_MASK, + FIELD_PREP(MT_INFRACFG_RX_EN_MASK, enable)); + mt76_wmac_rmw(dev->dcm, MT_INFRACFG_CONN2AP_SLPPROT, + MT_INFRACFG_TX_EN_MASK, + FIELD_PREP(MT_INFRACFG_TX_EN_MASK, enable)); + + return 0; +} + +static int mt7986_wmac_coninfra_check(struct mt7915_dev *dev) +{ + u32 cur; + + return read_poll_timeout(mt76_rr, cur, (cur == 0x02070000), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, + false, dev, MT_CONN_INFRA_BASE); +} + +static int mt7986_wmac_coninfra_setup(struct mt7915_dev *dev) +{ + struct device *pdev = dev->mt76.dev; + struct reserved_mem *rmem; + struct device_node *np; + u32 val; + + np = of_parse_phandle(pdev->of_node, "memory-region", 0); + if (!np) + return -EINVAL; + + rmem = of_reserved_mem_lookup(np); + if (!rmem) + return -EINVAL; + + val = (rmem->base >> 16) & MT_TOP_MCU_EMI_BASE_MASK; + + /* Set conninfra subsys PLL check */ + mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS, + MT_INFRA_CKGEN_BUS_RDY_SEL_MASK, 0x1); + mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS, + MT_INFRA_CKGEN_BUS_RDY_SEL_MASK, 0x1); + + mt76_rmw_field(dev, MT_TOP_MCU_EMI_BASE, + MT_TOP_MCU_EMI_BASE_MASK, val); + + mt76_wr(dev, MT_INFRA_BUS_EMI_START, rmem->base); + mt76_wr(dev, MT_INFRA_BUS_EMI_END, rmem->size); + + mt76_rr(dev, MT_CONN_INFRA_EFUSE); + + /* Set conninfra sysram */ + mt76_wr(dev, MT_TOP_RGU_SYSRAM_PDN, 0); + mt76_wr(dev, MT_TOP_RGU_SYSRAM_SLP, 1); + + return 0; +} + +static int mt7986_wmac_sku_setup(struct mt7915_dev *dev, u32 *adie_type) +{ + int ret; + u32 adie_main, adie_ext; + + mt76_rmw_field(dev, MT_CONN_INFRA_ADIE_RESET, + MT_CONN_INFRA_ADIE1_RESET_MASK, 0x1); + mt76_rmw_field(dev, MT_CONN_INFRA_ADIE_RESET, + MT_CONN_INFRA_ADIE2_RESET_MASK, 0x1); + + mt76_wmac_spi_lock(dev); + + ret = mt76_wmac_spi_read(dev, 0, MT_ADIE_CHIP_ID, &adie_main); + if (ret) + goto out; + + ret = mt76_wmac_spi_read(dev, 1, MT_ADIE_CHIP_ID, &adie_ext); + if (ret) + goto out; + + *adie_type = FIELD_GET(MT_ADIE_CHIP_ID_MASK, adie_main) | + (MT_ADIE_CHIP_ID_MASK & adie_ext); + +out: + mt76_wmac_spi_unlock(dev); + + return 0; +} + +static inline u16 mt7986_adie_idx(u8 adie, u32 adie_type) +{ + if (adie == 0) + return u32_get_bits(adie_type, MT_ADIE_IDX0); + else + return u32_get_bits(adie_type, MT_ADIE_IDX1); +} + +static inline bool is_7975(struct mt7915_dev *dev, u8 adie, u32 adie_type) +{ + return mt7986_adie_idx(adie, adie_type) == 0x7975; +} + +static inline bool is_7976(struct mt7915_dev *dev, u8 adie, u32 adie_type) +{ + return mt7986_adie_idx(adie, adie_type) == 0x7976; +} + +static int mt7986_wmac_adie_thermal_cal(struct mt7915_dev *dev, u8 adie) +{ + int ret; + u32 data, val; + + ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_THADC_ANALOG, + &data); + if (ret || FIELD_GET(MT_ADIE_ANA_EN_MASK, data)) { + val = FIELD_GET(MT_ADIE_VRPI_SEL_EFUSE_MASK, data); + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_RG_TOP_THADC_BG, + MT_ADIE_VRPI_SEL_CR_MASK, + FIELD_PREP(MT_ADIE_VRPI_SEL_CR_MASK, val)); + if (ret) + return ret; + + val = FIELD_GET(MT_ADIE_PGA_GAIN_EFUSE_MASK, data); + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_RG_TOP_THADC, + MT_ADIE_PGA_GAIN_MASK, + FIELD_PREP(MT_ADIE_PGA_GAIN_MASK, val)); + if (ret) + return ret; + } + + ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_THADC_SLOP, + &data); + if (ret || FIELD_GET(MT_ADIE_ANA_EN_MASK, data)) { + val = FIELD_GET(MT_ADIE_LDO_CTRL_EFUSE_MASK, data); + + return mt76_wmac_spi_rmw(dev, adie, MT_ADIE_RG_TOP_THADC, + MT_ADIE_LDO_CTRL_MASK, + FIELD_PREP(MT_ADIE_LDO_CTRL_MASK, val)); + } + + return 0; +} + +static int +mt7986_read_efuse_xo_trim_7976(struct mt7915_dev *dev, u8 adie, + bool is_40m, int *result) +{ + int ret; + u32 data, addr; + + addr = is_40m ? MT_ADIE_XTAL_AXM_40M_OSC : MT_ADIE_XTAL_AXM_80M_OSC; + ret = mt7986_wmac_adie_efuse_read(dev, adie, addr, &data); + if (ret) + return ret; + + if (!FIELD_GET(MT_ADIE_XO_TRIM_EN_MASK, data)) { + *result = 64; + } else { + *result = FIELD_GET(MT_ADIE_TRIM_MASK, data); + addr = is_40m ? MT_ADIE_XTAL_TRIM1_40M_OSC : + MT_ADIE_XTAL_TRIM1_80M_OSC; + ret = mt7986_wmac_adie_efuse_read(dev, adie, addr, &data); + if (ret) + return ret; + + if (FIELD_GET(MT_ADIE_XO_TRIM_EN_MASK, data) && + FIELD_GET(MT_ADIE_XTAL_DECREASE_MASK, data)) + *result -= FIELD_GET(MT_ADIE_EFUSE_TRIM_MASK, data); + else if (FIELD_GET(MT_ADIE_XO_TRIM_EN_MASK, data)) + *result += FIELD_GET(MT_ADIE_EFUSE_TRIM_MASK, data); + + *result = max(0, min(127, *result)); + } + + return 0; +} + +static int mt7986_wmac_adie_xtal_trim_7976(struct mt7915_dev *dev, u8 adie) +{ + int ret, trim_80m, trim_40m; + u32 data, val, mode; + + ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_XO_TRIM_FLOW, + &data); + if (ret || !FIELD_GET(BIT(1), data)) + return 0; + + ret = mt7986_read_efuse_xo_trim_7976(dev, adie, false, &trim_80m); + if (ret) + return ret; + + ret = mt7986_read_efuse_xo_trim_7976(dev, adie, true, &trim_40m); + if (ret) + return ret; + + ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_RG_STRAP_PIN_IN, &val); + if (ret) + return ret; + + mode = FIELD_PREP(GENMASK(6, 4), val); + if (!mode || mode == 0x2) { + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C1, + GENMASK(31, 24), + FIELD_PREP(GENMASK(31, 24), trim_80m)); + if (ret) + return ret; + + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C2, + GENMASK(31, 24), + FIELD_PREP(GENMASK(31, 24), trim_80m)); + } else if (mode == 0x3 || mode == 0x4 || mode == 0x6) { + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C1, + GENMASK(23, 16), + FIELD_PREP(GENMASK(23, 16), trim_40m)); + if (ret) + return ret; + + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C2, + GENMASK(23, 16), + FIELD_PREP(GENMASK(23, 16), trim_40m)); + } + + return ret; +} + +static int mt7986_wmac_adie_patch_7976(struct mt7915_dev *dev, u8 adie) +{ + int ret; + + ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_RG_TOP_THADC, 0x4a563b00); + if (ret) + return ret; + + ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_RG_XO_01, 0x1d59080f); + if (ret) + return ret; + + return mt76_wmac_spi_write(dev, adie, MT_ADIE_RG_XO_03, 0x34c00fe0); +} + +static int +mt7986_read_efuse_xo_trim_7975(struct mt7915_dev *dev, u8 adie, + u32 addr, u32 *result) +{ + int ret; + u32 data; + + ret = mt7986_wmac_adie_efuse_read(dev, adie, addr, &data); + if (ret) + return ret; + + if ((data & MT_ADIE_XO_TRIM_EN_MASK)) { + if ((data & MT_ADIE_XTAL_DECREASE_MASK)) + *result -= (data & MT_ADIE_EFUSE_TRIM_MASK); + else + *result += (data & MT_ADIE_EFUSE_TRIM_MASK); + + *result = (*result & MT_ADIE_TRIM_MASK); + } + + return 0; +} + +static int mt7986_wmac_adie_xtal_trim_7975(struct mt7915_dev *dev, u8 adie) +{ + int ret; + u32 data, result = 0, value; + + ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_7975_XTAL_EN, + &data); + if (ret || !(data & BIT(1))) + return 0; + + ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_7975_XTAL_CAL, + &data); + if (ret) + return ret; + + if (data & MT_ADIE_XO_TRIM_EN_MASK) + result = (data & MT_ADIE_TRIM_MASK); + + ret = mt7986_read_efuse_xo_trim_7975(dev, adie, MT_ADIE_7975_XO_TRIM2, + &result); + if (ret) + return ret; + + ret = mt7986_read_efuse_xo_trim_7975(dev, adie, MT_ADIE_7975_XO_TRIM3, + &result); + if (ret) + return ret; + + ret = mt7986_read_efuse_xo_trim_7975(dev, adie, MT_ADIE_7975_XO_TRIM4, + &result); + if (ret) + return ret; + + /* Update trim value to C1 and C2*/ + value = FIELD_GET(MT_ADIE_7975_XO_CTRL2_C1_MASK, result) | + FIELD_GET(MT_ADIE_7975_XO_CTRL2_C2_MASK, result); + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_XO_CTRL2, + MT_ADIE_7975_XO_CTRL2_MASK, value); + if (ret) + return ret; + + ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_7975_XTAL, &value); + if (ret) + return ret; + + if (value & MT_ADIE_7975_XTAL_EN_MASK) { + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_XO_2, + MT_ADIE_7975_XO_2_FIX_EN, 0x0); + if (ret) + return ret; + } + + return mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_XO_CTRL6, + MT_ADIE_7975_XO_CTRL6_MASK, 0x1); +} + +static int mt7986_wmac_adie_patch_7975(struct mt7915_dev *dev, u8 adie) +{ + int ret; + + /* disable CAL LDO and fine tune RFDIG LDO */ + ret = mt76_wmac_spi_write(dev, adie, 0x348, 0x00000002); + if (ret) + return ret; + + ret = mt76_wmac_spi_write(dev, adie, 0x378, 0x00000002); + if (ret) + return ret; + + ret = mt76_wmac_spi_write(dev, adie, 0x3a8, 0x00000002); + if (ret) + return ret; + + ret = mt76_wmac_spi_write(dev, adie, 0x3d8, 0x00000002); + if (ret) + return ret; + + /* set CKA driving and filter */ + ret = mt76_wmac_spi_write(dev, adie, 0xa1c, 0x30000aaa); + if (ret) + return ret; + + /* set CKB LDO to 1.4V */ + ret = mt76_wmac_spi_write(dev, adie, 0xa84, 0x8470008a); + if (ret) + return ret; + + /* turn on SX0 LTBUF */ + ret = mt76_wmac_spi_write(dev, adie, 0x074, 0x00000002); + if (ret) + return ret; + + /* CK_BUF_SW_EN = 1 (all buf in manual mode.) */ + ret = mt76_wmac_spi_write(dev, adie, 0xaa4, 0x01001fc0); + if (ret) + return ret; + + /* BT mode/WF normal mode 00000005 */ + ret = mt76_wmac_spi_write(dev, adie, 0x070, 0x00000005); + if (ret) + return ret; + + /* BG thermal sensor offset update */ + ret = mt76_wmac_spi_write(dev, adie, 0x344, 0x00000088); + if (ret) + return ret; + + ret = mt76_wmac_spi_write(dev, adie, 0x374, 0x00000088); + if (ret) + return ret; + + ret = mt76_wmac_spi_write(dev, adie, 0x3a4, 0x00000088); + if (ret) + return ret; + + ret = mt76_wmac_spi_write(dev, adie, 0x3d4, 0x00000088); + if (ret) + return ret; + + /* set WCON VDD IPTAT to "0000" */ + ret = mt76_wmac_spi_write(dev, adie, 0xa80, 0x44d07000); + if (ret) + return ret; + + /* change back LTBUF SX3 drving to default value */ + ret = mt76_wmac_spi_write(dev, adie, 0xa88, 0x3900aaaa); + if (ret) + return ret; + + /* SM input cap off */ + ret = mt76_wmac_spi_write(dev, adie, 0x2c4, 0x00000000); + if (ret) + return ret; + + /* set CKB driving and filter */ + return mt76_wmac_spi_write(dev, adie, 0x2c8, 0x00000072); +} + +static int mt7986_wmac_adie_cfg(struct mt7915_dev *dev, u8 adie, u32 adie_type) +{ + int ret; + + mt76_wmac_spi_lock(dev); + ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_CLK_EN, ~0); + if (ret) + goto out; + + if (is_7975(dev, adie, adie_type)) { + ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_COCLK, + BIT(1), 0x1); + if (ret) + goto out; + + ret = mt7986_wmac_adie_thermal_cal(dev, adie); + if (ret) + goto out; + + ret = mt7986_wmac_adie_xtal_trim_7975(dev, adie); + if (ret) + goto out; + + ret = mt7986_wmac_adie_patch_7975(dev, adie); + } else if (is_7976(dev, adie, adie_type)) { + if (mt7986_wmac_check_adie_type(dev) == ADIE_DBDC) { + ret = mt76_wmac_spi_write(dev, adie, + MT_ADIE_WRI_CK_SEL, 0x1c); + if (ret) + goto out; + } + + ret = mt7986_wmac_adie_thermal_cal(dev, adie); + if (ret) + goto out; + + ret = mt7986_wmac_adie_xtal_trim_7976(dev, adie); + if (ret) + goto out; + + ret = mt7986_wmac_adie_patch_7976(dev, adie); + } +out: + mt76_wmac_spi_unlock(dev); + + return ret; +} + +static int +mt7986_wmac_afe_cal(struct mt7915_dev *dev, u8 adie, bool dbdc, u32 adie_type) +{ + int ret; + u8 idx; + + mt76_wmac_spi_lock(dev); + if (is_7975(dev, adie, adie_type)) + ret = mt76_wmac_spi_write(dev, adie, + MT_AFE_RG_ENCAL_WBTAC_IF_SW, + 0x80000000); + else + ret = mt76_wmac_spi_write(dev, adie, + MT_AFE_RG_ENCAL_WBTAC_IF_SW, + 0x88888005); + if (ret) + goto out; + + idx = dbdc ? ADIE_DBDC : adie; + + mt76_rmw_field(dev, MT_AFE_DIG_EN_01(idx), + MT_AFE_RG_WBG_EN_RCK_MASK, 0x1); + usleep_range(60, 100); + + mt76_rmw(dev, MT_AFE_DIG_EN_01(idx), + MT_AFE_RG_WBG_EN_RCK_MASK, 0x0); + + mt76_rmw_field(dev, MT_AFE_DIG_EN_03(idx), + MT_AFE_RG_WBG_EN_BPLL_UP_MASK, 0x1); + usleep_range(30, 100); + + mt76_rmw_field(dev, MT_AFE_DIG_EN_03(idx), + MT_AFE_RG_WBG_EN_WPLL_UP_MASK, 0x1); + usleep_range(60, 100); + + mt76_rmw_field(dev, MT_AFE_DIG_EN_01(idx), + MT_AFE_RG_WBG_EN_TXCAL_MASK, 0x1f); + usleep_range(800, 1000); + + mt76_rmw(dev, MT_AFE_DIG_EN_01(idx), + MT_AFE_RG_WBG_EN_TXCAL_MASK, 0x0); + mt76_rmw(dev, MT_AFE_DIG_EN_03(idx), + MT_AFE_RG_WBG_EN_PLL_UP_MASK, 0x0); + + ret = mt76_wmac_spi_write(dev, adie, MT_AFE_RG_ENCAL_WBTAC_IF_SW, + 0x5); + +out: + mt76_wmac_spi_unlock(dev); + + return ret; +} + +static void mt7986_wmac_subsys_pll_initial(struct mt7915_dev *dev, u8 band) +{ + mt76_rmw(dev, MT_AFE_PLL_STB_TIME(band), + MT_AFE_PLL_STB_TIME_MASK, MT_AFE_PLL_STB_TIME_VAL); + + mt76_rmw(dev, MT_AFE_DIG_EN_02(band), + MT_AFE_PLL_CFG_MASK, MT_AFE_PLL_CFG_VAL); + + mt76_rmw(dev, MT_AFE_DIG_TOP_01(band), + MT_AFE_DIG_TOP_01_MASK, MT_AFE_DIG_TOP_01_VAL); +} + +static void mt7986_wmac_subsys_setting(struct mt7915_dev *dev) +{ + /* Subsys pll init */ + mt7986_wmac_subsys_pll_initial(dev, 0); + mt7986_wmac_subsys_pll_initial(dev, 1); + + /* Set legacy OSC control stable time*/ + mt76_rmw(dev, MT_CONN_INFRA_OSC_RC_EN, + MT_CONN_INFRA_OSC_RC_EN_MASK, 0x0); + mt76_rmw(dev, MT_CONN_INFRA_OSC_CTRL, + MT_CONN_INFRA_OSC_STB_TIME_MASK, 0x80706); + + /* prevent subsys from power on/of in a short time interval */ + mt76_rmw(dev, MT_TOP_WFSYS_PWR, + MT_TOP_PWR_ACK_MASK | MT_TOP_PWR_KEY_MASK, + MT_TOP_PWR_KEY); +} + +static int mt7986_wmac_bus_timeout(struct mt7915_dev *dev) +{ + mt76_rmw_field(dev, MT_INFRA_BUS_OFF_TIMEOUT, + MT_INFRA_BUS_TIMEOUT_LIMIT_MASK, 0x2); + + mt76_rmw_field(dev, MT_INFRA_BUS_OFF_TIMEOUT, + MT_INFRA_BUS_TIMEOUT_EN_MASK, 0xf); + + mt76_rmw_field(dev, MT_INFRA_BUS_ON_TIMEOUT, + MT_INFRA_BUS_TIMEOUT_LIMIT_MASK, 0xc); + + mt76_rmw_field(dev, MT_INFRA_BUS_ON_TIMEOUT, + MT_INFRA_BUS_TIMEOUT_EN_MASK, 0xf); + + return mt7986_wmac_coninfra_check(dev); +} + +static void mt7986_wmac_clock_enable(struct mt7915_dev *dev, u32 adie_type) +{ + u32 cur; + + mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_1, + MT_INFRA_CKGEN_DIV_SEL_MASK, 0x1); + + mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_2, + MT_INFRA_CKGEN_DIV_SEL_MASK, 0x1); + + mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_1, + MT_INFRA_CKGEN_DIV_EN_MASK, 0x1); + + mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_2, + MT_INFRA_CKGEN_DIV_EN_MASK, 0x1); + + mt76_rmw_field(dev, MT_INFRA_CKGEN_RFSPI_WPLL_DIV, + MT_INFRA_CKGEN_DIV_SEL_MASK, 0x8); + + mt76_rmw_field(dev, MT_INFRA_CKGEN_RFSPI_WPLL_DIV, + MT_INFRA_CKGEN_DIV_EN_MASK, 0x1); + + mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS, + MT_INFRA_CKGEN_BUS_CLK_SEL_MASK, 0x0); + + mt76_rmw_field(dev, MT_CONN_INFRA_HW_CTRL, + MT_CONN_INFRA_HW_CTRL_MASK, 0x1); + + mt76_rmw(dev, MT_TOP_CONN_INFRA_WAKEUP, + MT_TOP_CONN_INFRA_WAKEUP_MASK, 0x1); + + usleep_range(900, 1000); + + mt76_wmac_spi_lock(dev); + if (is_7975(dev, 0, adie_type) || is_7976(dev, 0, adie_type)) { + mt76_rmw_field(dev, MT_ADIE_SLP_CTRL_CK0(0), + MT_SLP_CTRL_EN_MASK, 0x1); + + read_poll_timeout(mt76_rr, cur, !(cur & MT_SLP_CTRL_BSY_MASK), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_ADIE_SLP_CTRL_CK0(0)); + } + if (is_7975(dev, 1, adie_type) || is_7976(dev, 1, adie_type)) { + mt76_rmw_field(dev, MT_ADIE_SLP_CTRL_CK0(1), + MT_SLP_CTRL_EN_MASK, 0x1); + + read_poll_timeout(mt76_rr, cur, !(cur & MT_SLP_CTRL_BSY_MASK), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_ADIE_SLP_CTRL_CK0(0)); + } + mt76_wmac_spi_unlock(dev); + + mt76_rmw(dev, MT_TOP_CONN_INFRA_WAKEUP, + MT_TOP_CONN_INFRA_WAKEUP_MASK, 0x0); + usleep_range(900, 1000); +} + +static int mt7986_wmac_top_wfsys_wakeup(struct mt7915_dev *dev, bool enable) +{ + mt76_rmw_field(dev, MT_TOP_WFSYS_WAKEUP, + MT_TOP_WFSYS_WAKEUP_MASK, enable); + + usleep_range(900, 1000); + + if (!enable) + return 0; + + return mt7986_wmac_coninfra_check(dev); +} + +static int mt7986_wmac_wm_enable(struct mt7915_dev *dev, bool enable) +{ + u32 cur; + + mt76_rmw_field(dev, MT7986_TOP_WM_RESET, + MT7986_TOP_WM_RESET_MASK, enable); + if (!enable) + return 0; + + return read_poll_timeout(mt76_rr, cur, (cur == 0x1d1e), + USEC_PER_MSEC, 5000 * USEC_PER_MSEC, false, + dev, MT_TOP_CFG_ON_ROM_IDX); +} + +static int mt7986_wmac_wfsys_poweron(struct mt7915_dev *dev, bool enable) +{ + u32 mask = MT_TOP_PWR_EN_MASK | MT_TOP_PWR_KEY_MASK; + u32 cur; + + mt76_rmw(dev, MT_TOP_WFSYS_PWR, mask, + MT_TOP_PWR_KEY | FIELD_PREP(MT_TOP_PWR_EN_MASK, enable)); + + return read_poll_timeout(mt76_rr, cur, + (FIELD_GET(MT_TOP_WFSYS_RESET_STATUS_MASK, cur) == enable), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_TOP_WFSYS_RESET_STATUS); +} + +static int mt7986_wmac_wfsys_setting(struct mt7915_dev *dev) +{ + int ret; + u32 cur; + + /* Turn off wfsys2conn bus sleep protect */ + mt76_rmw(dev, MT_CONN_INFRA_WF_SLP_PROT, + MT_CONN_INFRA_WF_SLP_PROT_MASK, 0x0); + + ret = mt7986_wmac_wfsys_poweron(dev, true); + if (ret) + return ret; + + /* Check bus sleep protect */ + + ret = read_poll_timeout(mt76_rr, cur, + !(cur & MT_CONN_INFRA_CONN_WF_MASK), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_CONN_INFRA_WF_SLP_PROT_RDY); + if (ret) + return ret; + + ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_SLP_WFDMA2CONN_MASK), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_SLP_STATUS); + if (ret) + return ret; + + return read_poll_timeout(mt76_rr, cur, (cur == 0x02060000), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_TOP_CFG_IP_VERSION_ADDR); +} + +static void mt7986_wmac_wfsys_set_timeout(struct mt7915_dev *dev) +{ + u32 mask = MT_MCU_BUS_TIMEOUT_SET_MASK | + MT_MCU_BUS_TIMEOUT_CG_EN_MASK | + MT_MCU_BUS_TIMEOUT_EN_MASK; + u32 val = FIELD_PREP(MT_MCU_BUS_TIMEOUT_SET_MASK, 1) | + FIELD_PREP(MT_MCU_BUS_TIMEOUT_CG_EN_MASK, 1) | + FIELD_PREP(MT_MCU_BUS_TIMEOUT_EN_MASK, 1); + + mt76_rmw(dev, MT_MCU_BUS_TIMEOUT, mask, val); + + mt76_wr(dev, MT_MCU_BUS_REMAP, 0x810f0000); + + mask = MT_MCU_BUS_DBG_TIMEOUT_SET_MASK | + MT_MCU_BUS_DBG_TIMEOUT_CK_EN_MASK | + MT_MCU_BUS_DBG_TIMEOUT_EN_MASK; + val = FIELD_PREP(MT_MCU_BUS_DBG_TIMEOUT_SET_MASK, 0x3aa) | + FIELD_PREP(MT_MCU_BUS_DBG_TIMEOUT_CK_EN_MASK, 1) | + FIELD_PREP(MT_MCU_BUS_DBG_TIMEOUT_EN_MASK, 1); + + mt76_rmw(dev, MT_MCU_BUS_DBG_TIMEOUT, mask, val); +} + +static int mt7986_wmac_sku_update(struct mt7915_dev *dev, u32 adie_type) +{ + u32 val; + + if (is_7976(dev, 0, adie_type) && is_7976(dev, 1, adie_type)) + val = 0xf; + else if (is_7975(dev, 0, adie_type) && is_7975(dev, 1, adie_type)) + val = 0xd; + else if (is_7976(dev, 0, adie_type)) + val = 0x7; + else if (is_7975(dev, 1, adie_type)) + val = 0x8; + else if (is_7976(dev, 1, adie_type)) + val = 0xa; + else + return -EINVAL; + + mt76_wmac_rmw(dev->sku, MT_TOP_POS_SKU, MT_TOP_POS_SKU_MASK, + FIELD_PREP(MT_TOP_POS_SKU_MASK, val)); + + mt76_wr(dev, MT_CONNINFRA_SKU_DEC_ADDR, val); + + return 0; +} + +static int +mt7986_wmac_adie_setup(struct mt7915_dev *dev, u8 adie, u32 adie_type) +{ + int ret; + + if (!(is_7975(dev, adie, adie_type) || is_7976(dev, adie, adie_type))) + return 0; + + ret = mt7986_wmac_adie_cfg(dev, adie, adie_type); + if (ret) + return ret; + + ret = mt7986_wmac_afe_cal(dev, adie, false, adie_type); + if (ret) + return ret; + + if (!adie && (mt7986_wmac_check_adie_type(dev) == ADIE_DBDC)) + ret = mt7986_wmac_afe_cal(dev, adie, true, adie_type); + + return ret; +} + +static int mt7986_wmac_subsys_powerup(struct mt7915_dev *dev, u32 adie_type) +{ + int ret; + + mt7986_wmac_subsys_setting(dev); + + ret = mt7986_wmac_bus_timeout(dev); + if (ret) + return ret; + + mt7986_wmac_clock_enable(dev, adie_type); + + return 0; +} + +static int mt7986_wmac_wfsys_powerup(struct mt7915_dev *dev) +{ + int ret; + + ret = mt7986_wmac_wm_enable(dev, false); + if (ret) + return ret; + + ret = mt7986_wmac_wfsys_setting(dev); + if (ret) + return ret; + + mt7986_wmac_wfsys_set_timeout(dev); + + return mt7986_wmac_wm_enable(dev, true); +} + +int mt7986_wmac_enable(struct mt7915_dev *dev) +{ + int ret; + u32 adie_type; + + ret = mt7986_wmac_consys_reset(dev, true); + if (ret) + return ret; + + ret = mt7986_wmac_gpio_setup(dev); + if (ret) + return ret; + + ret = mt7986_wmac_consys_lockup(dev, false); + if (ret) + return ret; + + ret = mt7986_wmac_coninfra_check(dev); + if (ret) + return ret; + + ret = mt7986_wmac_coninfra_setup(dev); + if (ret) + return ret; + + ret = mt7986_wmac_sku_setup(dev, &adie_type); + if (ret) + return ret; + + ret = mt7986_wmac_adie_setup(dev, 0, adie_type); + if (ret) + return ret; + + ret = mt7986_wmac_adie_setup(dev, 1, adie_type); + if (ret) + return ret; + + ret = mt7986_wmac_subsys_powerup(dev, adie_type); + if (ret) + return ret; + + ret = mt7986_wmac_top_wfsys_wakeup(dev, true); + if (ret) + return ret; + + ret = mt7986_wmac_wfsys_powerup(dev); + if (ret) + return ret; + + return mt7986_wmac_sku_update(dev, adie_type); +} + +void mt7986_wmac_disable(struct mt7915_dev *dev) +{ + u32 cur; + + mt7986_wmac_top_wfsys_wakeup(dev, true); + + /* Turn on wfsys2conn bus sleep protect */ + mt76_rmw_field(dev, MT_CONN_INFRA_WF_SLP_PROT, + MT_CONN_INFRA_WF_SLP_PROT_MASK, 0x1); + + /* Check wfsys2conn bus sleep protect */ + read_poll_timeout(mt76_rr, cur, !(cur ^ MT_CONN_INFRA_CONN), + USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, + dev, MT_CONN_INFRA_WF_SLP_PROT_RDY); + + mt7986_wmac_wfsys_poweron(dev, false); + + /* Turn back wpll setting */ + mt76_rmw_field(dev, MT_AFE_DIG_EN_02(0), MT_AFE_MCU_BPLL_CFG_MASK, 0x2); + mt76_rmw_field(dev, MT_AFE_DIG_EN_02(0), MT_AFE_WPLL_CFG_MASK, 0x2); + + /* Reset EMI */ + mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, + MT_CONN_INFRA_EMI_REQ_MASK, 0x1); + mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, + MT_CONN_INFRA_EMI_REQ_MASK, 0x0); + mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, + MT_CONN_INFRA_INFRA_REQ_MASK, 0x1); + mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, + MT_CONN_INFRA_INFRA_REQ_MASK, 0x0); + + mt7986_wmac_top_wfsys_wakeup(dev, false); + mt7986_wmac_consys_lockup(dev, true); + mt7986_wmac_consys_reset(dev, false); +} + +static int mt7986_wmac_init(struct mt7915_dev *dev) +{ + struct device *pdev = dev->mt76.dev; + struct platform_device *pfdev = to_platform_device(pdev); + + dev->dcm = devm_platform_ioremap_resource(pfdev, 1); + if (IS_ERR(dev->dcm)) + return PTR_ERR(dev->dcm); + + dev->sku = devm_platform_ioremap_resource(pfdev, 2); + if (IS_ERR(dev->sku)) + return PTR_ERR(dev->sku); + + dev->rstc = devm_reset_control_get(pdev, "consys"); + if (IS_ERR(dev->rstc)) + return PTR_ERR(dev->rstc); + + return mt7986_wmac_enable(dev); +} + +static int mt7986_wmac_probe(struct platform_device *pdev) +{ + void __iomem *mem_base; + struct mt7915_dev *dev; + struct mt76_dev *mdev; + int irq, ret; + u32 chip_id; + + chip_id = (uintptr_t)of_device_get_match_data(&pdev->dev); + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + mem_base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(mem_base)) { + dev_err(&pdev->dev, "Failed to get memory resource\n"); + return PTR_ERR(mem_base); + } + + dev = mt7915_mmio_probe(&pdev->dev, mem_base, chip_id); + if (IS_ERR(dev)) + return PTR_ERR(dev); + + mdev = &dev->mt76; + ret = devm_request_irq(mdev->dev, irq, mt7915_irq_handler, + IRQF_SHARED, KBUILD_MODNAME, dev); + if (ret) + goto free_device; + + mt76_wr(dev, MT_INT_MASK_CSR, 0); + + ret = mt7986_wmac_init(dev); + if (ret) + goto free_irq; + + ret = mt7915_register_device(dev); + if (ret) + goto free_irq; + + return 0; + +free_irq: + devm_free_irq(mdev->dev, irq, dev); + +free_device: + mt76_free_device(&dev->mt76); + + return ret; +} + +static int mt7986_wmac_remove(struct platform_device *pdev) +{ + struct mt7915_dev *dev = platform_get_drvdata(pdev); + + mt7915_unregister_device(dev); + + return 0; +} + +static const struct of_device_id mt7986_wmac_of_match[] = { + { .compatible = "mediatek,mt7986-wmac", .data = (u32 *)0x7986 }, + {}, +}; + +struct platform_driver mt7986_wmac_driver = { + .driver = { + .name = "mt7986-wmac", + .of_match_table = mt7986_wmac_of_match, + }, + .probe = mt7986_wmac_probe, + .remove = mt7986_wmac_remove, +}; + +MODULE_FIRMWARE(MT7986_FIRMWARE_WA); +MODULE_FIRMWARE(MT7986_FIRMWARE_WM); +MODULE_FIRMWARE(MT7986_FIRMWARE_WM_MT7975); +MODULE_FIRMWARE(MT7986_ROM_PATCH); +MODULE_FIRMWARE(MT7986_ROM_PATCH_MT7975); |