mirror of
https://github.com/outbackdingo/mt76.git
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wifi: mt76: mt7915: implement calibration data merge support
This allows efuse to override flash/default EEPROM data. Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
+189
@@ -265,6 +265,191 @@ void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev,
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dev->chainshift = hweight8(dev->mphy.chainmask);
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}
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static int mt7915_apply_cal_free_data(struct mt7915_dev *dev)
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{
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#define MT_EE_CAL_FREE_MAX_SIZE 70
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#define MT_EE_FREQ_OFFSET 0x77
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#define MT_EE_ADIE1_MT7976C_OFFSET 0x270
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#define MT_EE_ADIE1_E3_OFFSET 0x271
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#define MT_EE_END_OFFSET 0xffff
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enum adie_type {
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ADIE_7975,
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ADIE_7976,
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};
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enum ddie_type {
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DDIE_7915,
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DDIE_7916,
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};
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static const u16 ddie_offs_list[][MT_EE_CAL_FREE_MAX_SIZE] = {
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[DDIE_7915] = {0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
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0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x20, 0x21, 0x22, 0x23, 0x24,
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0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
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0x52, 0x70, 0x71, 0x72, 0x76, 0xa8, 0xa9, 0xaa, 0xab, 0xac,
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0xad, 0xae, 0xaf, -1},
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[DDIE_7916] = {0x30, 0x31, 0x34, 0x35, 0x36, 0x38, 0x3c, 0x3a, 0x3d, 0x44,
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0x46, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xe0, -1},
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};
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static const u16 adie_offs_list[][MT_EE_CAL_FREE_MAX_SIZE] = {
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[ADIE_7975] = {0x7cd, 0x7cf, 0x7d1, 0x7d3, 0x802, 0x803, 0x804, 0x805, 0x806,
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0x808, 0x80a, 0x80b, 0x80c, 0x80d, 0x80e, 0x810, 0x812, 0x813,
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0x814, 0x815, 0x816, 0x818, 0x81a, 0x81b, 0x81c, 0x81d, 0x81e,
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0x820, 0x822, 0x823, 0x824, 0x825, 0x826, 0x827, 0x828, 0x829,
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0x82f, 0x8c0, 0x8c1, 0x8c2, 0x8c3, 0x9a0, 0x8d0, 0x8d1, 0x8d7,
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0x8d8, 0x8fa, 0x9a1, 0x9a5, 0x9a6, 0x9a8, 0x9aa, 0x9b0, 0x9b1,
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0x9b2, 0x9b3, 0x9b4, 0x9b5, 0x9b6, 0x9b7, -1},
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[ADIE_7976] = {0x24c, 0x24d, 0x24e, 0x24f, 0x250, 0x251, 0x253, 0x255, 0x257,
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0x259, 0x990, 0x991, 0x994, 0x995, 0x9a6, 0x9a8, 0x9aa, -1},
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};
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static const u16 eep_offs_list[][MT_EE_CAL_FREE_MAX_SIZE] = {
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[ADIE_7975] = {0xe00, 0xe01, 0xe02, 0xe03, 0xe04, 0xe05, 0xe06, 0xe07, 0xe08,
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0xe09, 0xe0a, 0xe0b, 0xe0c, 0xe0d, 0x80e, 0xe0f, 0xe10, 0xe11,
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0xe12, 0xe13, 0xe14, 0xe15, 0xe16, 0xe17, 0xe18, 0xe19, 0xe1a,
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0xe1b, 0xe1c, 0xe1d, 0xe1e, 0xe1f, 0xe20, 0xe21, 0xe22, 0xe23,
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0xe24, 0xe25, 0xe26, 0xe27, 0xe28, 0xe29, 0xe2a, 0xe2b, 0xe2c,
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0xe2d, 0xe2e, 0xe2f, 0xe33, 0xe34, 0xe36, 0xe38, 0xe39, 0xe3a,
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0xe3b, 0xe3c, 0xe3d, 0xe3e, 0xe3f, 0xe40, -1},
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[ADIE_7976] = {0x33c, 0x33d, 0x33e, 0x33f, 0x340, 0x341, 0x343, 0x345, 0x347,
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0x349, 0x359, 0x35a, 0x35d, 0x35e, 0x36a, 0x36c, 0x36e, -1},
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};
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static const u16 *ddie_offs;
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static const u16 *adie_offs[__MT_MAX_BAND];
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static const u16 *eep_offs[__MT_MAX_BAND];
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static u16 adie_base[__MT_MAX_BAND] = {0};
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u8 *eeprom = dev->mt76.eeprom.data;
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u8 buf[MT7915_EEPROM_BLOCK_SIZE];
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int adie_id, band, i, ret;
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switch (mt76_chip(&dev->mt76)) {
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case 0x7915:
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ddie_offs = ddie_offs_list[DDIE_7915];
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ret = mt7915_mcu_get_eeprom(dev, buf, MT_EE_ADIE_FT_VERSION);
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if (ret == -EINVAL)
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return 0;
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else if (ret)
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return ret;
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adie_id = buf[MT_EE_ADIE_FT_VERSION % MT7915_EEPROM_BLOCK_SIZE] - 1;
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adie_offs[0] = adie_offs_list[ADIE_7975];
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/* same as adie offset */
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eep_offs[0] = NULL;
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break;
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case 0x7906:
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case 0x7981:
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if (is_mt7916(&dev->mt76))
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ddie_offs = ddie_offs_list[DDIE_7916];
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adie_offs[0] = adie_offs_list[ADIE_7976];
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eep_offs[0] = NULL;
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break;
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case 0x7986:
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adie_id = mt7915_check_adie(dev, true);
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switch (adie_id) {
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case MT7975_ONE_ADIE:
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case MT7975_DUAL_ADIE:
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adie_offs[0] = adie_offs_list[ADIE_7975];
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eep_offs[0] = NULL;
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if (adie_id == MT7975_DUAL_ADIE) {
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adie_offs[1] = adie_offs_list[ADIE_7975];
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eep_offs[1] = eep_offs_list[ADIE_7975];
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}
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break;
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case MT7976_ONE_ADIE_DBDC:
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case MT7976_ONE_ADIE:
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case MT7976_DUAL_ADIE: {
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u16 base = 0, offset = MT_EE_ADIE1_MT7976C_OFFSET;
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adie_offs[0] = adie_offs_list[ADIE_7976];
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eep_offs[0] = NULL;
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if (adie_id == MT7976_DUAL_ADIE) {
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adie_offs[1] = adie_offs_list[ADIE_7976];
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eep_offs[1] = eep_offs_list[ADIE_7976];
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base = MT_EE_ADIE1_BASE_7986;
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}
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/* E3 re-bonding workaround */
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ret = mt7915_mcu_get_eeprom(dev, buf, offset + base);
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if (ret)
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break;
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offset = (offset + base) % MT7915_EEPROM_BLOCK_SIZE;
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eeprom[MT_EE_ADIE1_MT7976C_OFFSET] = buf[offset];
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offset = (MT_EE_ADIE1_E3_OFFSET + base) % MT7915_EEPROM_BLOCK_SIZE;
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eeprom[MT_EE_ADIE1_E3_OFFSET] = buf[offset];
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break;
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}
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default:
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return -EINVAL;
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}
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adie_base[1] = MT_EE_ADIE1_BASE_7986;
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break;
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default:
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return -EINVAL;
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}
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/* ddie */
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if (ddie_offs) {
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u16 ddie_offset;
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u32 block_num, prev_block_num = -1;
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for (i = 0; i < MT_EE_CAL_FREE_MAX_SIZE; i++) {
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ddie_offset = ddie_offs[i];
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block_num = ddie_offset / MT7915_EEPROM_BLOCK_SIZE;
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if (ddie_offset == MT_EE_END_OFFSET)
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break;
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if (prev_block_num != block_num) {
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ret = mt7915_mcu_get_eeprom(dev, buf, ddie_offset);
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if (ret) {
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prev_block_num = -1;
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continue;
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}
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}
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eeprom[ddie_offset] = buf[ddie_offset % MT7915_EEPROM_BLOCK_SIZE];
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prev_block_num = block_num;
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}
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}
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/* adie */
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for (band = 0; band < __MT_MAX_BAND; band++) {
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u16 adie_offset, eep_offset;
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u32 block_num, prev_block_num = -1;
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if (!adie_offs[band])
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continue;
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for (i = 0; i < MT_EE_CAL_FREE_MAX_SIZE; i++) {
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adie_offset = adie_offs[band][i] + adie_base[band];
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eep_offset = adie_offset;
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if (eep_offs[band])
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eep_offset = eep_offs[band][i];
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block_num = adie_offset / MT7915_EEPROM_BLOCK_SIZE;
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if (adie_offs[band][i] == MT_EE_END_OFFSET)
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break;
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if (is_mt7915(&dev->mt76) && !adie_id &&
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adie_offset >= 0x8c0 && adie_offset <= 0x8c3)
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continue;
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if (prev_block_num != block_num) {
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ret = mt7915_mcu_get_eeprom(dev, buf, adie_offset);
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if (ret) {
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prev_block_num = -1;
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continue;
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}
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}
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eeprom[eep_offset] = buf[adie_offset % MT7915_EEPROM_BLOCK_SIZE];
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prev_block_num = block_num;
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/* workaround for Harrier */
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if (is_mt7915(&dev->mt76) && adie_offset == 0x9a1)
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eeprom[MT_EE_FREQ_OFFSET] = eeprom[adie_offset];
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}
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}
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return 0;
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}
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int mt7915_eeprom_init(struct mt7915_dev *dev)
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{
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int ret;
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@@ -281,6 +466,10 @@ int mt7915_eeprom_init(struct mt7915_dev *dev)
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}
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mt7915_eeprom_load_precal(dev);
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ret = mt7915_apply_cal_free_data(dev);
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if (ret)
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return ret;
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mt7915_eeprom_parse_hw_cap(dev, &dev->phy);
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memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
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ETH_ALEN);
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@@ -68,6 +68,8 @@ enum mt7915_eeprom_field {
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#define MT_EE_RATE_DELTA_SIGN BIT(6)
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#define MT_EE_RATE_DELTA_EN BIT(7)
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#define MT_EE_ADIE1_BASE_7986 0x1000
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enum mt7915_adie_sku {
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MT7976_ONE_ADIE_DBDC = 0x7,
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MT7975_ONE_ADIE = 0x8,
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