diff options
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/983-rt2x00-add-r-calibration.patch | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/983-rt2x00-add-r-calibration.patch b/package/kernel/mac80211/patches/rt2x00/983-rt2x00-add-r-calibration.patch new file mode 100644 index 0000000000..327d07f8cd --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/983-rt2x00-add-r-calibration.patch @@ -0,0 +1,193 @@ +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -7704,6 +7704,160 @@ void rt2800_rf_self_txdc_cal(struct rt2x + } + EXPORT_SYMBOL_GPL(rt2800_rf_self_txdc_cal); + ++int rt2800_calcrcalibrationcode(struct rt2x00_dev *rt2x00dev, int d1, int d2) ++{ ++ int calcode; ++ calcode = ((d2 - d1) * 1000) / 43; ++ if ((calcode%10) >= 5) ++ calcode += 10; ++ calcode = (calcode / 10); ++ ++ return calcode; ++} ++EXPORT_SYMBOL_GPL(rt2800_calcrcalibrationcode); ++ ++void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev) ++{ ++ u32 savemacsysctrl; ++ u8 saverfb0r1, saverfb0r34, saverfb0r35; ++ u8 saverfb5r4, saverfb5r17, saverfb5r18; ++ u8 saverfb5r19, saverfb5r20; ++ u8 savebbpr22, savebbpr47, savebbpr49; ++ u8 bytevalue = 0; ++ int rcalcode; ++ u8 r_cal_code = 0; ++ char d1 = 0, d2 = 0; ++ u8 rfvalue; ++ u32 MAC_RF_BYPASS0, MAC_RF_CONTROL0, MAC_PWR_PIN_CFG; ++ ++ saverfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); ++ saverfb0r34 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 34); ++ saverfb0r35 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); ++ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); ++ saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); ++ saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); ++ saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); ++ saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); ++ ++ savebbpr22 = rt2800_bbp_read(rt2x00dev, 22); ++ savebbpr47 = rt2800_bbp_read(rt2x00dev, 47); ++ savebbpr49 = rt2800_bbp_read(rt2x00dev, 49); ++ ++ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0); ++ MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0); ++ MAC_PWR_PIN_CFG = rt2800_register_read(rt2x00dev, PWR_PIN_CFG); ++ ++ { ++ u32 maccfg, macstatus; ++ int i; ++ ++ maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ maccfg &= (~0x04); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg); ++ ++ for (i = 0; i < 10000; i++) { ++ macstatus = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); ++ if (macstatus & 0x1) ++ udelay(50); ++ else ++ break; ++ } ++ ++ if (i == 10000) ++ rt2x00_warn(rt2x00dev, "Wait MAC Tx Status to MAX !!!\n"); ++ ++ maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ maccfg &= (~0x04); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg); ++ ++ for (i = 0; i < 10000; i++) { ++ macstatus = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); ++ if (macstatus & 0x2) ++ udelay(50); ++ else ++ break; ++ } ++ ++ if (i == 10000) ++ rt2x00_warn(rt2x00dev, "Wait MAC Rx Status to MAX !!!\n"); ++ } ++ ++ rfvalue = (MAC_RF_BYPASS0 | 0x3004); ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, rfvalue); ++ rfvalue = (MAC_RF_CONTROL0 | (~0x3002)); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, rfvalue); ++ ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x27); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0x83); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x00); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20); ++ ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x00); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, 0x13); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); ++ ++ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x1); ++ ++ rt2800_bbp_write(rt2x00dev, 47, 0x04); ++ rt2800_bbp_write(rt2x00dev, 22, 0x80); ++ udelay(100); ++ bytevalue = rt2800_bbp_read(rt2x00dev, 49); ++ if (bytevalue > 128) ++ d1 = bytevalue - 256; ++ else ++ d1 = (char)bytevalue; ++ rt2800_bbp_write(rt2x00dev, 22, 0x0); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x01); ++ ++ rt2800_bbp_write(rt2x00dev, 22, 0x80); ++ udelay(100); ++ bytevalue = rt2800_bbp_read(rt2x00dev, 49); ++ if (bytevalue > 128) ++ d2 = bytevalue - 256; ++ else ++ d2 = (char)bytevalue; ++ rt2800_bbp_write(rt2x00dev, 22, 0x0); ++ ++ rcalcode = rt2800_calcrcalibrationcode(rt2x00dev, d1, d2); ++ if (rcalcode < 0) ++ r_cal_code = 256 + rcalcode; ++ else ++ r_cal_code = (u8)rcalcode; ++ ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 7, r_cal_code); ++ ++ rt2800_bbp_write(rt2x00dev, 22, 0x0); ++ ++ bytevalue = rt2800_bbp_read(rt2x00dev, 21); ++ bytevalue |= 0x1; ++ rt2800_bbp_write(rt2x00dev, 21, bytevalue); ++ bytevalue = rt2800_bbp_read(rt2x00dev, 21); ++ bytevalue &= (~0x1); ++ rt2800_bbp_write(rt2x00dev, 21, bytevalue); ++ ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, saverfb0r1); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, saverfb0r34); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, saverfb0r35); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20); ++ ++ rt2800_bbp_write(rt2x00dev, 22, savebbpr22); ++ rt2800_bbp_write(rt2x00dev, 47, savebbpr47); ++ rt2800_bbp_write(rt2x00dev, 49, savebbpr49); ++ ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0); ++ ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); ++ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG); ++} ++EXPORT_SYMBOL_GPL(rt2800_r_calibration); ++ + static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev, + bool set_bw, bool is_ht40) + { +@@ -8311,6 +8465,7 @@ static void rt2800_init_rfcsr_6352(struc + rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00); + rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C); + ++ rt2800_r_calibration(rt2x00dev); + rt2800_rf_self_txdc_cal(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 +@@ -228,6 +228,8 @@ void rt2800_link_tuner(struct rt2x00_dev + void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev); + void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev); + 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); + + 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 +@@ -571,6 +571,8 @@ struct rt2x00lib_ops { + void (*gain_calibration) (struct rt2x00_dev *rt2x00dev); + void (*vco_calibration) (struct rt2x00_dev *rt2x00dev); + 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); + + /* + * Data queue handlers. |