diff options
Diffstat (limited to 'board/anahera/usbc_config.c')
| -rw-r--r-- | board/anahera/usbc_config.c | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/board/anahera/usbc_config.c b/board/anahera/usbc_config.c index 247cc50dd3..2c0cd85a67 100644 --- a/board/anahera/usbc_config.c +++ b/board/anahera/usbc_config.c @@ -317,11 +317,11 @@ const struct usb_mux usba_ps8811[] = { }; BUILD_ASSERT(ARRAY_SIZE(usba_ps8811) == USBA_PORT_COUNT); -const static struct ps8811_reg_val equalizer_table[] = { +const static struct ps8811_reg_val equalizer_wwan_table[] = { { /* Set channel A EQ setting */ .reg = PS8811_REG1_USB_AEQ_LEVEL, - .val = (PS8811_AEQ_I2C_LEVEL_UP_10P5DB << + .val = (PS8811_AEQ_I2C_LEVEL_UP_13DB << PS8811_AEQ_I2C_LEVEL_UP_SHIFT) | (PS8811_AEQ_PIN_LEVEL_UP_18DB << PS8811_AEQ_PIN_LEVEL_UP_SHIFT), @@ -351,7 +351,18 @@ const static struct ps8811_reg_val equalizer_table[] = { }, }; -#define NUM_EQ_ARRAY ARRAY_SIZE(equalizer_table) +#define NUM_EQ_WWAN_ARRAY ARRAY_SIZE(equalizer_wwan_table) + +const static struct ps8811_reg_val equalizer_wlan_table[] = { + { + /* Set 50ohm adjust for B channel */ + .reg = PS8811_REG1_50OHM_ADJUST_CHAN_B, + .val = (PS8811_50OHM_ADJUST_CHAN_B_MINUS_9PCT << + PS8811_50OHM_ADJUST_CHAN_B_SHIFT), + }, +}; + +#define NUM_EQ_WLAN_ARRAY ARRAY_SIZE(equalizer_wlan_table) static int usba_retimer_init(int port) { @@ -380,10 +391,36 @@ static int usba_retimer_init(int port) PS8811_CHAN_A_SWING_MASK, 0x2 << PS8811_CHAN_A_SWING_SHIFT); - for (i = 0; i < NUM_EQ_ARRAY; i++) + /* Set channel B output PS level */ + rv |= ps8811_i2c_field_update( + me, PS8811_REG_PAGE1, + PS8811_REG1_USB_CHAN_B_DE_PS_LSB, + PS8811_CHAN_B_DE_PS_LSB_MASK, 0x06); + + /* Set channel B output DE level */ + rv |= ps8811_i2c_field_update( + me, PS8811_REG_PAGE1, + PS8811_REG1_USB_CHAN_B_DE_PS_MSB, + PS8811_CHAN_B_DE_PS_MSB_MASK, 0x16); + + + for (i = 0; i < NUM_EQ_WWAN_ARRAY; i++) + rv |= ps8811_i2c_write(me, PS8811_REG_PAGE1, + equalizer_wwan_table[i].reg, + equalizer_wwan_table[i].val); + } else { + /* Set channel A output swing */ + rv = ps8811_i2c_field_update( + me, PS8811_REG_PAGE1, + PS8811_REG1_USB_CHAN_A_SWING, + PS8811_CHAN_A_SWING_MASK, + 0x2 << PS8811_CHAN_A_SWING_SHIFT); + + + for (i = 0; i < NUM_EQ_WLAN_ARRAY; i++) rv |= ps8811_i2c_write(me, PS8811_REG_PAGE1, - equalizer_table[i].reg, - equalizer_table[i].val); + equalizer_wlan_table[i].reg, + equalizer_wlan_table[i].val); } break; } |