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phy: qcom-qmp: add hbr3_hbr2 voltage and premphasis swing table

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Add hbr3_hbr2 voltage and premphasis swing table to support
HBR3 link rate.

Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1615914761-12300-1-git-send-email-khsieh@codeaurora.org
Fixes: 52e013d0bf ("phy: qcom-qmp: Add support for DP in USB3+DP combo phy")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Kuogee Hsieh 2021-03-16 10:12:41 -07:00 committed by Vinod Koul
parent 446c200ee3
commit 3f2ec77c95
1 changed files with 21 additions and 2 deletions
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23
drivers/phy/qualcomm/phy-qcom-qmp.c
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@ -3375,6 +3375,20 @@ static void qcom_qmp_phy_dp_aux_init(struct qmp_phy *qphy)
qphy->pcs + QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK);
}
static const u8 qmp_dp_v3_pre_emphasis_hbr3_hbr2[4][4] = {
{ 0x00, 0x0c, 0x15, 0x1a },
{ 0x02, 0x0e, 0x16, 0xff },
{ 0x02, 0x11, 0xff, 0xff },
{ 0x04, 0xff, 0xff, 0xff }
};
static const u8 qmp_dp_v3_voltage_swing_hbr3_hbr2[4][4] = {
{ 0x02, 0x12, 0x16, 0x1a },
{ 0x09, 0x19, 0x1f, 0xff },
{ 0x10, 0x1f, 0xff, 0xff },
{ 0x1f, 0xff, 0xff, 0xff }
};
static const u8 qmp_dp_v3_pre_emphasis_hbr_rbr[4][4] = {
{ 0x00, 0x0c, 0x14, 0x19 },
{ 0x00, 0x0b, 0x12, 0xff },
@ -3410,8 +3424,13 @@ static void qcom_qmp_phy_configure_dp_tx(struct qmp_phy *qphy)
drvr_en = 0x10;
}
voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr_rbr[v_level][p_level];
pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr_rbr[v_level][p_level];
if (dp_opts->link_rate <= 2700) {
voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr_rbr[v_level][p_level];
pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr_rbr[v_level][p_level];
} else {
voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr3_hbr2[v_level][p_level];
pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr3_hbr2[v_level][p_level];
}
/* TODO: Move check to config check */
if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF)