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| author | Tomislav Požega <pozega.tomislav@gmail.com> | 2018-01-08 13:43:37 +0100 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-09-26 16:39:43 +0200 |
| commit | e125b6abb2362cabacfc42b3343cdcc4b0453603 (patch) | |
| tree | ba7517cc7ac82569a7df1202af1add72e994b179 /package/kernel/mac80211/patches/rt2x00 | |
| parent | 061541f207b0bad605cdd4d0e5aa23a9571b0770 (diff) | |
| download | upstream-e125b6abb2362cabacfc42b3343cdcc4b0453603.tar.gz upstream-e125b6abb2362cabacfc42b3343cdcc4b0453603.tar.bz2 upstream-e125b6abb2362cabacfc42b3343cdcc4b0453603.zip | |
mac80211: rt2x00: add RXDCOC calibration
Add RXDCOC calibration code from mtk driver. Please try if this makes any difference among various board/RF layouts.
Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00')
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/984-rt2x00-add-rxdcoc-calibration.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/984-rt2x00-add-rxdcoc-calibration.patch b/package/kernel/mac80211/patches/rt2x00/984-rt2x00-add-rxdcoc-calibration.patch new file mode 100644 index 0000000000..ac483830fe --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/984-rt2x00-add-rxdcoc-calibration.patch @@ -0,0 +1,102 @@ +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -7858,6 +7858,71 @@ void rt2800_r_calibration(struct rt2x00_ + } + EXPORT_SYMBOL_GPL(rt2800_r_calibration); + ++void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev) ++{ ++ u8 bbpreg = 0; ++ u32 macvalue = 0, macvalue1 = 0; ++ u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue; ++ int i; ++ ++ saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); ++ rfvalue = saverfb0r2; ++ rfvalue |= 0x03; ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 141); ++ bbpreg = rt2800_bbp_read(rt2x00dev, 159); ++ bbpreg |= 0x10; ++ rt2800_bbp_write(rt2x00dev, 159, bbpreg); ++ ++ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8); ++ ++ for (i = 0; i < 10000; i++) { ++ macvalue1 = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); ++ if (macvalue1 & 0x1) ++ udelay(50); ++ else ++ break; ++ } ++ ++ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); ++ saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); ++ saverfb5r4 = saverfb5r4 & (~0x40); ++ saverfb7r4 = saverfb7r4 & (~0x40); ++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); ++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 141); ++ bbpreg = rt2800_bbp_read(rt2x00dev, 159); ++ bbpreg = bbpreg & (~0x40); ++ rt2800_bbp_write(rt2x00dev, 159, bbpreg); ++ bbpreg |= 0x48; ++ rt2800_bbp_write(rt2x00dev, 159, bbpreg); ++ ++ for (i = 0; i < 10000; i++) { ++ bbpreg = rt2800_bbp_read(rt2x00dev, 159); ++ if ((bbpreg & 0x40)==0) ++ break; ++ udelay(50); ++ } ++ ++ bbpreg = rt2800_bbp_read(rt2x00dev, 159); ++ bbpreg = bbpreg & (~0x40); ++ rt2800_bbp_write(rt2x00dev, 159, bbpreg); ++ ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 141); ++ bbpreg = rt2800_bbp_read(rt2x00dev, 159); ++ bbpreg &= (~0x10); ++ rt2800_bbp_write(rt2x00dev, 159, bbpreg); ++ ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2); ++} ++EXPORT_SYMBOL_GPL(rt2800_rxdcoc_calibration); ++ + static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev, + bool set_bw, bool is_ht40) + { +@@ -8467,6 +8532,7 @@ static void rt2800_init_rfcsr_6352(struc + + rt2800_r_calibration(rt2x00dev); + rt2800_rf_self_txdc_cal(rt2x00dev); ++ rt2800_rxdcoc_calibration(rt2x00dev); + rt2800_bw_filter_calibration(rt2x00dev, true); + rt2800_bw_filter_calibration(rt2x00dev, false); + } +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h +@@ -230,6 +230,7 @@ void rt2800_vco_calibration(struct rt2x0 + void rt2800_rf_self_txdc_cal(struct rt2x00_dev *rt2x00dev); + int rt2800_calcrcalibrationcode(struct rt2x00_dev *rt2x00dev, int d1, int d2); + void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev); ++void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev); + + int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev); + void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev); +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h +@@ -573,6 +573,7 @@ struct rt2x00lib_ops { + void (*rf_self_txdc_cal) (struct rt2x00_dev *rt2x00dev); + int (*calcrcalibrationcode) (struct rt2x00_dev *rt2x00dev, int d1, int d2); + void (*r_calibration) (struct rt2x00_dev *rt2x00dev); ++ void (*rxdcoc_calibration) (struct rt2x00_dev *rt2x00dev); + + /* + * Data queue handlers. |