diff options
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c | 59 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c | 72 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c | 49 |
6 files changed, 95 insertions, 101 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index 4d25b5c3b70b..dbe0ec020391 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -15,7 +15,8 @@ mt76-usb-y := usb.o usb_trace.o usb_mcu.o CFLAGS_trace.o := -I$(src) CFLAGS_usb_trace.o := -I$(src) -mt76x02-lib-y := mt76x02_util.o mt76x02_mac.o mt76x02_mcu.o +mt76x02-lib-y := mt76x02_util.o mt76x02_mac.o mt76x02_mcu.o \ + mt76x02_eeprom.o mt76x02-usb-y := mt76x02_usb_mcu.o mt76x02_usb_core.o diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c index a93da6c5ce59..43239a1cb1e5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c @@ -21,41 +21,6 @@ #include "mt76x0.h" #include "eeprom.h" -static int -mt76x0_efuse_read(struct mt76x0_dev *dev, u16 addr, u8 *data, - enum mt76x0_eeprom_access_modes mode) -{ - u32 val; - int i; - - val = mt76_rr(dev, MT_EFUSE_CTRL); - val &= ~(MT_EFUSE_CTRL_AIN | - MT_EFUSE_CTRL_MODE); - val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf) | - FIELD_PREP(MT_EFUSE_CTRL_MODE, mode) | - MT_EFUSE_CTRL_KICK; - mt76_wr(dev, MT_EFUSE_CTRL, val); - - if (!mt76_poll(dev, MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, 0, 1000)) - return -ETIMEDOUT; - - val = mt76_rr(dev, MT_EFUSE_CTRL); - if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT) { - /* Parts of eeprom not in the usage map (0x80-0xc0,0xf0) - * will not return valid data but it's ok. - */ - memset(data, 0xff, 16); - return 0; - } - - for (i = 0; i < 4; i++) { - val = mt76_rr(dev, MT_EFUSE_DATA(i)); - put_unaligned_le32(val, data + 4 * i); - } - - return 0; -} - #define MT_MAP_READS DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16) static int mt76x0_efuse_physical_size_check(struct mt76x0_dev *dev) @@ -64,12 +29,10 @@ mt76x0_efuse_physical_size_check(struct mt76x0_dev *dev) int ret, i; u32 start = 0, end = 0, cnt_free; - for (i = 0; i < MT_MAP_READS; i++) { - ret = mt76x0_efuse_read(dev, MT_EE_USAGE_MAP_START + i * 16, - data + i * 16, MT_EE_PHYSICAL_READ); - if (ret) - return ret; - } + ret = mt76x02_get_efuse_data(&dev->mt76, MT_EE_USAGE_MAP_START, + data, sizeof(data), MT_EE_PHYSICAL_READ); + if (ret) + return ret; for (i = 0; i < MT_EFUSE_USAGE_MAP_SIZE; i++) if (!data[i]) { @@ -80,7 +43,8 @@ mt76x0_efuse_physical_size_check(struct mt76x0_dev *dev) cnt_free = end - start + 1; if (MT_EFUSE_USAGE_MAP_SIZE - cnt_free < 5) { - dev_err(dev->mt76.dev, "Error: your device needs default EEPROM file and this driver doesn't support it!\n"); + dev_err(dev->mt76.dev, + "driver does not support default EEPROM\n"); return -EINVAL; } @@ -360,7 +324,7 @@ int mt76x0_eeprom_init(struct mt76x0_dev *dev) { u8 *eeprom; - int i, ret; + int ret; ret = mt76x0_efuse_physical_size_check(dev); if (ret) @@ -374,11 +338,10 @@ mt76x0_eeprom_init(struct mt76x0_dev *dev) if (!eeprom) return -ENOMEM; - for (i = 0; i + 16 <= MT76X0_EEPROM_SIZE; i += 16) { - ret = mt76x0_efuse_read(dev, i, eeprom + i, MT_EE_READ); - if (ret) - goto out; - } + ret = mt76x02_get_efuse_data(&dev->mt76, 0, eeprom, + MT76X0_EEPROM_SIZE, MT_EE_READ); + if (ret) + goto out; if (eeprom[MT_EE_VERSION + 1] > MT76X0U_EE_MAX_VER) dev_warn(dev->mt76.dev, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h index 1da90f056442..1051e3216614 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h @@ -23,11 +23,6 @@ struct mt76x0_dev; #define MT76X0U_EE_MAX_VER 0x0c #define MT76X0_EEPROM_SIZE 512 -enum mt76x0_eeprom_access_modes { - MT_EE_READ = 0, - MT_EE_PHYSICAL_READ = 1, -}; - struct reg_channel_bounds { u8 start; u8 num; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c new file mode 100644 index 000000000000..21fe7eb0652d --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <asm/unaligned.h> + +#include "mt76.h" +#include "mt76x02_eeprom.h" +#include "mt76x02_regs.h" + +static int +mt76x02_efuse_read(struct mt76_dev *dev, u16 addr, u8 *data, + enum mt76x02_eeprom_modes mode) +{ + u32 val; + int i; + + val = __mt76_rr(dev, MT_EFUSE_CTRL); + val &= ~(MT_EFUSE_CTRL_AIN | + MT_EFUSE_CTRL_MODE); + val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf); + val |= FIELD_PREP(MT_EFUSE_CTRL_MODE, mode); + val |= MT_EFUSE_CTRL_KICK; + __mt76_wr(dev, MT_EFUSE_CTRL, val); + + if (!__mt76_poll_msec(dev, MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, + 0, 1000)) + return -ETIMEDOUT; + + udelay(2); + + val = __mt76_rr(dev, MT_EFUSE_CTRL); + if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT) { + memset(data, 0xff, 16); + return 0; + } + + for (i = 0; i < 4; i++) { + val = __mt76_rr(dev, MT_EFUSE_DATA(i)); + put_unaligned_le32(val, data + 4 * i); + } + + return 0; +} + +int mt76x02_get_efuse_data(struct mt76_dev *dev, u16 base, void *buf, + int len, enum mt76x02_eeprom_modes mode) +{ + int ret, i; + + for (i = 0; i + 16 <= len; i += 16) { + ret = mt76x02_efuse_read(dev, base + i, buf + i, mode); + if (ret) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x02_get_efuse_data); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h index 85dd4f9b97a5..852ea9b51e97 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h @@ -121,6 +121,11 @@ enum mt76x02_eeprom_field { #define MT_EFUSE_USAGE_MAP_SIZE (MT_EE_USAGE_MAP_END - \ MT_EE_USAGE_MAP_START + 1) +enum mt76x02_eeprom_modes { + MT_EE_READ, + MT_EE_PHYSICAL_READ, +}; + static inline bool mt76x02_field_valid(u8 val) { return val != 0 && val != 0xff; @@ -146,4 +151,7 @@ mt76x02_eeprom_get(struct mt76_dev *dev, return get_unaligned_le16(dev->eeprom.data + field); } +int mt76x02_get_efuse_data(struct mt76_dev *dev, u16 base, void *buf, + int len, enum mt76x02_eeprom_modes mode); + #endif /* __MT76x02_EEPROM_H */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c index 784d13a90423..7e35d590714a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c @@ -59,52 +59,6 @@ void mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev) } EXPORT_SYMBOL_GPL(mt76x2_eeprom_parse_hw_cap); -static int -mt76x2_efuse_read(struct mt76x2_dev *dev, u16 addr, u8 *data) -{ - u32 val; - int i; - - val = mt76_rr(dev, MT_EFUSE_CTRL); - val &= ~(MT_EFUSE_CTRL_AIN | - MT_EFUSE_CTRL_MODE); - val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf); - val |= MT_EFUSE_CTRL_KICK; - mt76_wr(dev, MT_EFUSE_CTRL, val); - - if (!mt76_poll(dev, MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, 0, 1000)) - return -ETIMEDOUT; - - udelay(2); - - val = mt76_rr(dev, MT_EFUSE_CTRL); - if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT) { - memset(data, 0xff, 16); - return 0; - } - - for (i = 0; i < 4; i++) { - val = mt76_rr(dev, MT_EFUSE_DATA(i)); - put_unaligned_le32(val, data + 4 * i); - } - - return 0; -} - -static int -mt76x2_get_efuse_data(struct mt76x2_dev *dev, void *buf, int len) -{ - int ret, i; - - for (i = 0; i + 16 <= len; i += 16) { - ret = mt76x2_efuse_read(dev, i, buf + i); - if (ret) - return ret; - } - - return 0; -} - static bool mt76x2_has_cal_free_data(struct mt76x2_dev *dev, u8 *efuse) { @@ -241,7 +195,8 @@ mt76x2_eeprom_load(struct mt76x2_dev *dev) efuse = dev->mt76.otp.data; - if (mt76x2_get_efuse_data(dev, efuse, MT7662_EEPROM_SIZE)) + if (mt76x02_get_efuse_data(&dev->mt76, 0, efuse, + MT7662_EEPROM_SIZE, MT_EE_READ)) goto out; if (found) { |