mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-01 06:33:07 +00:00
phy: qcom-qmp: add support for sm8250-usb3-dp phy
Add support for QMP V4 Combo USB3+DP PHY (for SM8250 platform). Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20210331151614.3810197-6-dmitry.baryshkov@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dmitry Baryshkov
Vinod Koul
parent
5c3939174f
commit
aff188feb5
2 changed files with 412 additions and 22 deletions
|
|
@ -1840,6 +1840,86 @@ static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_tbl[] = {
|
|||
QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SVS_MODE_CLK_SEL, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x3b),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYS_CLK_CTRL, 0x02),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_ENABLE1, 0x0c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x30),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_CONFIG, 0x02),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BG_TIMER, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE0, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_CTRL, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN, 0x17),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORE_CLK_EN, 0x1f),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_rbr[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x05),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x6f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x03),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x0e),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr2[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x8c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x1f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x1c),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr3[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x2f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x2a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl qmp_v4_dp_tx_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_VMODE_CTRL1, 0x40),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PRE_STALL_LDO_BOOST_EN, 0x30),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_INTERFACE_SELECT, 0x3b),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_CLKBUF_ENABLE, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RESET_TSYNC_EN, 0x03),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0f),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_INTERFACE_MODE, 0x00),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x11),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_BAND, 0x4),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_POL_INV, 0x0a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_DRV_LVL, 0x2a),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20),
|
||||
};
|
||||
|
||||
static const struct qmp_phy_init_tbl sm8250_qmp_pcie_serdes_tbl[] = {
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08),
|
||||
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34),
|
||||
|
|
@ -2436,6 +2516,11 @@ static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy);
|
|||
static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy);
|
||||
static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy);
|
||||
|
||||
static void qcom_qmp_v4_phy_dp_aux_init(struct qmp_phy *qphy);
|
||||
static void qcom_qmp_v4_phy_configure_dp_tx(struct qmp_phy *qphy);
|
||||
static int qcom_qmp_v4_phy_configure_dp_phy(struct qmp_phy *qphy);
|
||||
static int qcom_qmp_v4_dp_phy_calibrate(struct qmp_phy *qphy);
|
||||
|
||||
static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
|
||||
{
|
||||
u32 reg;
|
||||
|
|
@ -3141,6 +3226,46 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
|
|||
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
|
||||
};
|
||||
|
||||
static const struct qmp_phy_cfg sm8250_dpphy_cfg = {
|
||||
.type = PHY_TYPE_DP,
|
||||
.nlanes = 1,
|
||||
|
||||
.serdes_tbl = qmp_v4_dp_serdes_tbl,
|
||||
.serdes_tbl_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
|
||||
.tx_tbl = qmp_v4_dp_tx_tbl,
|
||||
.tx_tbl_num = ARRAY_SIZE(qmp_v4_dp_tx_tbl),
|
||||
|
||||
.serdes_tbl_rbr = qmp_v4_dp_serdes_tbl_rbr,
|
||||
.serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_rbr),
|
||||
.serdes_tbl_hbr = qmp_v4_dp_serdes_tbl_hbr,
|
||||
.serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr),
|
||||
.serdes_tbl_hbr2 = qmp_v4_dp_serdes_tbl_hbr2,
|
||||
.serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr2),
|
||||
.serdes_tbl_hbr3 = qmp_v4_dp_serdes_tbl_hbr3,
|
||||
.serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr3),
|
||||
|
||||
.clk_list = qmp_v4_phy_clk_l,
|
||||
.num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l),
|
||||
.reset_list = msm8996_usb3phy_reset_l,
|
||||
.num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
|
||||
.vreg_list = qmp_phy_vreg_l,
|
||||
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
|
||||
.regs = qmp_v4_usb3phy_regs_layout,
|
||||
|
||||
.has_phy_dp_com_ctrl = true,
|
||||
.is_dual_lane_phy = true,
|
||||
|
||||
.dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
|
||||
.configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
|
||||
.configure_dp_phy = qcom_qmp_v4_phy_configure_dp_phy,
|
||||
.calibrate_dp_phy = qcom_qmp_v4_dp_phy_calibrate,
|
||||
};
|
||||
|
||||
static const struct qmp_phy_combo_cfg sm8250_usb3dpphy_cfg = {
|
||||
.usb_cfg = &sm8250_usb3phy_cfg,
|
||||
.dp_cfg = &sm8250_dpphy_cfg,
|
||||
};
|
||||
|
||||
static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = {
|
||||
.type = PHY_TYPE_USB3,
|
||||
.nlanes = 1,
|
||||
|
|
@ -3421,11 +3546,11 @@ static const u8 qmp_dp_v3_voltage_swing_hbr_rbr[4][4] = {
|
|||
{ 0x1f, 0xff, 0xff, 0xff }
|
||||
};
|
||||
|
||||
static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
|
||||
static int qcom_qmp_phy_configure_dp_swing(struct qmp_phy *qphy,
|
||||
unsigned int drv_lvl_reg, unsigned int emp_post_reg)
|
||||
{
|
||||
const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
|
||||
unsigned int v_level = 0, p_level = 0;
|
||||
u32 bias_en, drvr_en;
|
||||
u8 voltage_swing_cfg, pre_emphasis_cfg;
|
||||
int i;
|
||||
|
||||
|
|
@ -3434,14 +3559,6 @@ static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
|
|||
p_level = max(p_level, dp_opts->pre[i]);
|
||||
}
|
||||
|
||||
if (dp_opts->lanes == 1) {
|
||||
bias_en = 0x3e;
|
||||
drvr_en = 0x13;
|
||||
} else {
|
||||
bias_en = 0x3f;
|
||||
drvr_en = 0x10;
|
||||
}
|
||||
|
||||
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];
|
||||
|
|
@ -3452,16 +3569,37 @@ static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
|
|||
|
||||
/* TODO: Move check to config check */
|
||||
if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF)
|
||||
return;
|
||||
return -EINVAL;
|
||||
|
||||
/* Enable MUX to use Cursor values from these registers */
|
||||
voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN;
|
||||
pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN;
|
||||
|
||||
writel(voltage_swing_cfg, qphy->tx + QSERDES_V3_TX_TX_DRV_LVL);
|
||||
writel(pre_emphasis_cfg, qphy->tx + QSERDES_V3_TX_TX_EMP_POST1_LVL);
|
||||
writel(voltage_swing_cfg, qphy->tx2 + QSERDES_V3_TX_TX_DRV_LVL);
|
||||
writel(pre_emphasis_cfg, qphy->tx2 + QSERDES_V3_TX_TX_EMP_POST1_LVL);
|
||||
writel(voltage_swing_cfg, qphy->tx + drv_lvl_reg);
|
||||
writel(pre_emphasis_cfg, qphy->tx + emp_post_reg);
|
||||
writel(voltage_swing_cfg, qphy->tx2 + drv_lvl_reg);
|
||||
writel(pre_emphasis_cfg, qphy->tx2 + emp_post_reg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
|
||||
{
|
||||
const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
|
||||
u32 bias_en, drvr_en;
|
||||
|
||||
if (qcom_qmp_phy_configure_dp_swing(qphy,
|
||||
QSERDES_V3_TX_TX_DRV_LVL,
|
||||
QSERDES_V3_TX_TX_EMP_POST1_LVL) < 0)
|
||||
return;
|
||||
|
||||
if (dp_opts->lanes == 1) {
|
||||
bias_en = 0x3e;
|
||||
drvr_en = 0x13;
|
||||
} else {
|
||||
bias_en = 0x3f;
|
||||
drvr_en = 0x10;
|
||||
}
|
||||
|
||||
writel(drvr_en, qphy->tx + QSERDES_V3_TX_HIGHZ_DRVR_EN);
|
||||
writel(bias_en, qphy->tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
|
||||
|
|
@ -3469,12 +3607,10 @@ static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
|
|||
writel(bias_en, qphy->tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
|
||||
}
|
||||
|
||||
static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
|
||||
static bool qcom_qmp_phy_configure_dp_mode(struct qmp_phy *qphy)
|
||||
{
|
||||
const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks;
|
||||
const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
|
||||
u32 val, phy_vco_div, status;
|
||||
unsigned long pixel_freq;
|
||||
u32 val;
|
||||
bool reverse = false;
|
||||
|
||||
val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
|
||||
DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN;
|
||||
|
|
@ -3497,6 +3633,19 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
|
|||
writel(val, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
|
||||
|
||||
writel(0x5c, qphy->pcs + QSERDES_DP_PHY_MODE);
|
||||
|
||||
return reverse;
|
||||
}
|
||||
|
||||
static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
|
||||
{
|
||||
const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks;
|
||||
const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
|
||||
u32 phy_vco_div, status;
|
||||
unsigned long pixel_freq;
|
||||
|
||||
qcom_qmp_phy_configure_dp_mode(qphy);
|
||||
|
||||
writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL);
|
||||
writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL);
|
||||
|
||||
|
|
@ -3579,6 +3728,204 @@ static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static void qcom_qmp_v4_phy_dp_aux_init(struct qmp_phy *qphy)
|
||||
{
|
||||
writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_PSR_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
|
||||
DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
|
||||
qphy->pcs + QSERDES_DP_PHY_PD_CTL);
|
||||
|
||||
/* Turn on BIAS current for PHY/PLL */
|
||||
writel(0x17, qphy->serdes + QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN);
|
||||
|
||||
writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0);
|
||||
writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
|
||||
writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
|
||||
writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3);
|
||||
writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4);
|
||||
writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5);
|
||||
writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6);
|
||||
writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7);
|
||||
writel(0xb7, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8);
|
||||
writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9);
|
||||
qphy->dp_aux_cfg = 0;
|
||||
|
||||
writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
|
||||
PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK |
|
||||
PHY_AUX_REQ_ERR_MASK,
|
||||
qphy->pcs + QSERDES_V4_DP_PHY_AUX_INTERRUPT_MASK);
|
||||
}
|
||||
|
||||
static void qcom_qmp_v4_phy_configure_dp_tx(struct qmp_phy *qphy)
|
||||
{
|
||||
/* Program default values before writing proper values */
|
||||
writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL);
|
||||
writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL);
|
||||
|
||||
writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL);
|
||||
writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL);
|
||||
|
||||
qcom_qmp_phy_configure_dp_swing(qphy,
|
||||
QSERDES_V4_TX_TX_DRV_LVL,
|
||||
QSERDES_V4_TX_TX_EMP_POST1_LVL);
|
||||
}
|
||||
|
||||
static int qcom_qmp_v4_phy_configure_dp_phy(struct qmp_phy *qphy)
|
||||
{
|
||||
const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks;
|
||||
const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
|
||||
u32 phy_vco_div, status;
|
||||
unsigned long pixel_freq;
|
||||
u32 bias0_en, drvr0_en, bias1_en, drvr1_en;
|
||||
bool reverse;
|
||||
|
||||
writel(0x0f, qphy->pcs + QSERDES_V4_DP_PHY_CFG_1);
|
||||
|
||||
reverse = qcom_qmp_phy_configure_dp_mode(qphy);
|
||||
|
||||
writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
|
||||
writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
|
||||
|
||||
writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX0_TX1_LANE_CTL);
|
||||
writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX2_TX3_LANE_CTL);
|
||||
|
||||
switch (dp_opts->link_rate) {
|
||||
case 1620:
|
||||
phy_vco_div = 0x1;
|
||||
pixel_freq = 1620000000UL / 2;
|
||||
break;
|
||||
case 2700:
|
||||
phy_vco_div = 0x1;
|
||||
pixel_freq = 2700000000UL / 2;
|
||||
break;
|
||||
case 5400:
|
||||
phy_vco_div = 0x2;
|
||||
pixel_freq = 5400000000UL / 4;
|
||||
break;
|
||||
case 8100:
|
||||
phy_vco_div = 0x0;
|
||||
pixel_freq = 8100000000UL / 6;
|
||||
break;
|
||||
default:
|
||||
/* Other link rates aren't supported */
|
||||
return -EINVAL;
|
||||
}
|
||||
writel(phy_vco_div, qphy->pcs + QSERDES_V4_DP_PHY_VCO_DIV);
|
||||
|
||||
clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000);
|
||||
clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq);
|
||||
|
||||
writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
|
||||
writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG);
|
||||
writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
|
||||
writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG);
|
||||
|
||||
writel(0x20, qphy->serdes + QSERDES_V4_COM_RESETSM_CNTRL);
|
||||
|
||||
if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_C_READY_STATUS,
|
||||
status,
|
||||
((status & BIT(0)) > 0),
|
||||
500,
|
||||
10000))
|
||||
return -ETIMEDOUT;
|
||||
|
||||
if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS,
|
||||
status,
|
||||
((status & BIT(0)) > 0),
|
||||
500,
|
||||
10000))
|
||||
return -ETIMEDOUT;
|
||||
|
||||
if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS,
|
||||
status,
|
||||
((status & BIT(1)) > 0),
|
||||
500,
|
||||
10000))
|
||||
return -ETIMEDOUT;
|
||||
|
||||
writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
|
||||
|
||||
if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
|
||||
status,
|
||||
((status & BIT(0)) > 0),
|
||||
500,
|
||||
10000))
|
||||
return -ETIMEDOUT;
|
||||
|
||||
if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
|
||||
status,
|
||||
((status & BIT(1)) > 0),
|
||||
500,
|
||||
10000))
|
||||
return -ETIMEDOUT;
|
||||
|
||||
/*
|
||||
* At least for 7nm DP PHY this has to be done after enabling link
|
||||
* clock.
|
||||
*/
|
||||
|
||||
if (dp_opts->lanes == 1) {
|
||||
bias0_en = reverse ? 0x3e : 0x15;
|
||||
bias1_en = reverse ? 0x15 : 0x3e;
|
||||
drvr0_en = reverse ? 0x13 : 0x10;
|
||||
drvr1_en = reverse ? 0x10 : 0x13;
|
||||
} else if (dp_opts->lanes == 2) {
|
||||
bias0_en = reverse ? 0x3f : 0x15;
|
||||
bias1_en = reverse ? 0x15 : 0x3f;
|
||||
drvr0_en = 0x10;
|
||||
drvr1_en = 0x10;
|
||||
} else {
|
||||
bias0_en = 0x3f;
|
||||
bias1_en = 0x3f;
|
||||
drvr0_en = 0x10;
|
||||
drvr1_en = 0x10;
|
||||
}
|
||||
|
||||
writel(drvr0_en, qphy->tx + QSERDES_V4_TX_HIGHZ_DRVR_EN);
|
||||
writel(bias0_en, qphy->tx + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN);
|
||||
writel(drvr1_en, qphy->tx2 + QSERDES_V4_TX_HIGHZ_DRVR_EN);
|
||||
writel(bias1_en, qphy->tx2 + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN);
|
||||
|
||||
writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG);
|
||||
udelay(2000);
|
||||
writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
|
||||
|
||||
if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
|
||||
status,
|
||||
((status & BIT(1)) > 0),
|
||||
500,
|
||||
10000))
|
||||
return -ETIMEDOUT;
|
||||
|
||||
writel(0x0a, qphy->tx + QSERDES_V4_TX_TX_POL_INV);
|
||||
writel(0x0a, qphy->tx2 + QSERDES_V4_TX_TX_POL_INV);
|
||||
|
||||
writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL);
|
||||
writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL);
|
||||
|
||||
writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL);
|
||||
writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* We need to calibrate the aux setting here as many times
|
||||
* as the caller tries
|
||||
*/
|
||||
static int qcom_qmp_v4_dp_phy_calibrate(struct qmp_phy *qphy)
|
||||
{
|
||||
static const u8 cfg1_settings[] = { 0x20, 0x13, 0x23, 0x1d };
|
||||
u8 val;
|
||||
|
||||
qphy->dp_aux_cfg++;
|
||||
qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
|
||||
val = cfg1_settings[qphy->dp_aux_cfg];
|
||||
|
||||
writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qcom_qmp_dp_phy_configure(struct phy *phy, union phy_configure_opts *opts)
|
||||
{
|
||||
const struct phy_configure_opts_dp *dp_opts = &opts->dp;
|
||||
|
|
@ -4625,6 +4972,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
|
|||
}, {
|
||||
.compatible = "qcom,sm8250-qmp-usb3-phy",
|
||||
.data = &sm8250_usb3phy_cfg,
|
||||
}, {
|
||||
.compatible = "qcom,sm8250-qmp-usb3-dp-phy",
|
||||
/* It's a combo phy */
|
||||
}, {
|
||||
.compatible = "qcom,sm8250-qmp-usb3-uni-phy",
|
||||
.data = &sm8250_usb3_uniphy_cfg,
|
||||
|
|
@ -4659,6 +5009,10 @@ static const struct of_device_id qcom_qmp_combo_phy_of_match_table[] = {
|
|||
.compatible = "qcom,sc7180-qmp-usb3-dp-phy",
|
||||
.data = &sc7180_usb3dpphy_cfg,
|
||||
},
|
||||
{
|
||||
.compatible = "qcom,sm8250-qmp-usb3-dp-phy",
|
||||
.data = &sm8250_usb3dpphy_cfg,
|
||||
},
|
||||
{ }
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -397,6 +397,7 @@
|
|||
#define QSERDES_V3_DP_PHY_STATUS 0x0c0
|
||||
|
||||
/* Only for QMP V4 PHY - QSERDES COM registers */
|
||||
#define QSERDES_V4_COM_BG_TIMER 0x00c
|
||||
#define QSERDES_V4_COM_SSC_EN_CENTER 0x010
|
||||
#define QSERDES_V4_COM_SSC_PER1 0x01c
|
||||
#define QSERDES_V4_COM_SSC_PER2 0x020
|
||||
|
|
@ -404,7 +405,9 @@
|
|||
#define QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0 0x028
|
||||
#define QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1 0x030
|
||||
#define QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1 0x034
|
||||
#define QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN 0x044
|
||||
#define QSERDES_V4_COM_CLK_ENABLE1 0x048
|
||||
#define QSERDES_V4_COM_SYS_CLK_CTRL 0x04c
|
||||
#define QSERDES_V4_COM_SYSCLK_BUF_ENABLE 0x050
|
||||
#define QSERDES_V4_COM_PLL_IVCO 0x058
|
||||
#define QSERDES_V4_COM_CMN_IPTRIM 0x060
|
||||
|
|
@ -415,6 +418,7 @@
|
|||
#define QSERDES_V4_COM_PLL_CCTRL_MODE0 0x084
|
||||
#define QSERDES_V4_COM_PLL_CCTRL_MODE1 0x088
|
||||
#define QSERDES_V4_COM_SYSCLK_EN_SEL 0x094
|
||||
#define QSERDES_V4_COM_RESETSM_CNTRL 0x09c
|
||||
#define QSERDES_V4_COM_LOCK_CMP_EN 0x0a4
|
||||
#define QSERDES_V4_COM_LOCK_CMP1_MODE0 0x0ac
|
||||
#define QSERDES_V4_COM_LOCK_CMP2_MODE0 0x0b0
|
||||
|
|
@ -428,16 +432,24 @@
|
|||
#define QSERDES_V4_COM_DIV_FRAC_START1_MODE1 0x0d8
|
||||
#define QSERDES_V4_COM_DIV_FRAC_START2_MODE1 0x0dc
|
||||
#define QSERDES_V4_COM_DIV_FRAC_START3_MODE1 0x0e0
|
||||
#define QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0 0x0ec
|
||||
#define QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0 0x0f0
|
||||
#define QSERDES_V4_COM_VCO_TUNE_CTRL 0x108
|
||||
#define QSERDES_V4_COM_VCO_TUNE_MAP 0x10c
|
||||
#define QSERDES_V4_COM_VCO_TUNE1_MODE0 0x110
|
||||
#define QSERDES_V4_COM_VCO_TUNE2_MODE0 0x114
|
||||
#define QSERDES_V4_COM_VCO_TUNE1_MODE1 0x118
|
||||
#define QSERDES_V4_COM_VCO_TUNE2_MODE1 0x11c
|
||||
#define QSERDES_V4_COM_VCO_TUNE_INITVAL2 0x124
|
||||
#define QSERDES_V4_COM_CMN_STATUS 0x140
|
||||
#define QSERDES_V4_COM_CLK_SELECT 0x154
|
||||
#define QSERDES_V4_COM_HSCLK_SEL 0x158
|
||||
#define QSERDES_V4_COM_HSCLK_HS_SWITCH_SEL 0x15c
|
||||
#define QSERDES_V4_COM_CORECLK_DIV_MODE0 0x168
|
||||
#define QSERDES_V4_COM_CORECLK_DIV_MODE1 0x16c
|
||||
#define QSERDES_V4_COM_CORE_CLK_EN 0x174
|
||||
#define QSERDES_V4_COM_C_READY_STATUS 0x178
|
||||
#define QSERDES_V4_COM_CMN_CONFIG 0x17c
|
||||
#define QSERDES_V4_COM_SVS_MODE_CLK_SEL 0x184
|
||||
#define QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0 0x1ac
|
||||
#define QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0 0x1b0
|
||||
|
|
@ -446,19 +458,32 @@
|
|||
#define QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1 0x1b8
|
||||
|
||||
/* Only for QMP V4 PHY - TX registers */
|
||||
#define QSERDES_V4_TX_CLKBUF_ENABLE 0x08
|
||||
#define QSERDES_V4_TX_TX_EMP_POST1_LVL 0x0c
|
||||
#define QSERDES_V4_TX_TX_DRV_LVL 0x14
|
||||
#define QSERDES_V4_TX_RESET_TSYNC_EN 0x1c
|
||||
#define QSERDES_V4_TX_PRE_STALL_LDO_BOOST_EN 0x20
|
||||
#define QSERDES_V4_TX_TX_BAND 0x24
|
||||
#define QSERDES_V4_TX_INTERFACE_SELECT 0x2c
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_TX 0x34
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_RX 0x38
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX 0x3c
|
||||
#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX 0x40
|
||||
#define QSERDES_V4_TX_TRANSCEIVER_BIAS_EN 0x54
|
||||
#define QSERDES_V4_TX_HIGHZ_DRVR_EN 0x58
|
||||
#define QSERDES_V4_TX_TX_POL_INV 0x5c
|
||||
#define QSERDES_V4_TX_PARRATE_REC_DETECT_IDLE_EN 0x60
|
||||
#define QSERDES_V4_TX_LANE_MODE_1 0x84
|
||||
#define QSERDES_V4_TX_LANE_MODE_2 0x88
|
||||
#define QSERDES_V4_TX_RCV_DETECT_LVL_2 0x9c
|
||||
#define QSERDES_V4_TX_TRAN_DRVR_EMP_EN 0xb8
|
||||
#define QSERDES_V4_TX_TX_INTERFACE_MODE 0xbc
|
||||
#define QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1 0xd8
|
||||
#define QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1 0xdC
|
||||
#define QSERDES_V4_TX_PWM_GEAR_3_DIVIDER_BAND0_1 0xe0
|
||||
#define QSERDES_V4_TX_PWM_GEAR_4_DIVIDER_BAND0_1 0xe4
|
||||
#define QSERDES_V4_TX_TRAN_DRVR_EMP_EN 0xb8
|
||||
#define QSERDES_V4_TX_PI_QEC_CTRL 0x104
|
||||
#define QSERDES_V4_TX_VMODE_CTRL1 0xe8
|
||||
#define QSERDES_V4_TX_PI_QEC_CTRL 0x104
|
||||
|
||||
/* Only for QMP V4 PHY - RX registers */
|
||||
#define QSERDES_V4_RX_UCDR_FO_GAIN 0x008
|
||||
|
|
@ -515,6 +540,17 @@
|
|||
#define QSERDES_V4_RX_DCC_CTRL1 0x1bc
|
||||
#define QSERDES_V4_RX_VTH_CODE 0x1c4
|
||||
|
||||
/* Only for QMP V4 PHY - DP PHY registers */
|
||||
#define QSERDES_V4_DP_PHY_CFG_1 0x014
|
||||
#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_MASK 0x054
|
||||
#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_CLEAR 0x058
|
||||
#define QSERDES_V4_DP_PHY_VCO_DIV 0x070
|
||||
#define QSERDES_V4_DP_PHY_TX0_TX1_LANE_CTL 0x078
|
||||
#define QSERDES_V4_DP_PHY_TX2_TX3_LANE_CTL 0x09c
|
||||
#define QSERDES_V4_DP_PHY_SPARE0 0x0c8
|
||||
#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_STATUS 0x0d8
|
||||
#define QSERDES_V4_DP_PHY_STATUS 0x0dc
|
||||
|
||||
/* Only for QMP V4 PHY - UFS PCS registers */
|
||||
#define QPHY_V4_PCS_UFS_PHY_START 0x000
|
||||
#define QPHY_V4_PCS_UFS_POWER_DOWN_CONTROL 0x004
|
||||
|
|
|
|||
Loading…
Reference in a new issue