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Code Issues Releases Wiki Activity

phy: qcom-qmp: move DP functions to callbacks

Browse source 
In preparation to adding support for V4 DP PHY move DP functions to
callbacks at struct qmp_phy_cfg.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210331151614.3810197-4-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dmitry Baryshkov 2021-03-31 18:16:10 +03:00 committed by Vinod Koul
parent 87899d9a66
commit 5f0d28f20e
1 changed files with 51 additions and 22 deletions
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73
drivers/phy/qualcomm/phy-qcom-qmp.c
View file

@ -2268,6 +2268,8 @@ static const struct qmp_phy_init_tbl sm8350_usb3_uniphy_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
};
struct qmp_phy;
/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
/* phy-type - PCIE/UFS/USB */
@ -2307,6 +2309,12 @@ struct qmp_phy_cfg {
const struct qmp_phy_init_tbl *serdes_tbl_hbr3;
int serdes_tbl_hbr3_num;
/* DP PHY callbacks */
int (*configure_dp_phy)(struct qmp_phy *qphy);
void (*configure_dp_tx)(struct qmp_phy *qphy);
int (*calibrate_dp_phy)(struct qmp_phy *qphy);
void (*dp_aux_init)(struct qmp_phy *qphy);
/* clock ids to be requested */
const char * const *clk_list;
int num_clks;
@ -2423,6 +2431,11 @@ struct qcom_qmp {
struct reset_control *ufs_reset;
};
static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy);
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 inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
{
u32 reg;
@ -2871,6 +2884,11 @@ static const struct qmp_phy_cfg sc7180_dpphy_cfg = {
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
.dp_aux_init = qcom_qmp_v3_phy_dp_aux_init,
.configure_dp_tx = qcom_qmp_v3_phy_configure_dp_tx,
.configure_dp_phy = qcom_qmp_v3_phy_configure_dp_phy,
.calibrate_dp_phy = qcom_qmp_v3_dp_phy_calibrate,
};
static const struct qmp_phy_combo_cfg sc7180_usb3dpphy_cfg = {
@ -3332,7 +3350,7 @@ static int qcom_qmp_phy_serdes_init(struct qmp_phy *qphy)
return 0;
}
static void qcom_qmp_phy_dp_aux_init(struct qmp_phy *qphy)
static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy)
{
writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
@ -3403,7 +3421,7 @@ static const u8 qmp_dp_v3_voltage_swing_hbr_rbr[4][4] = {
{ 0x1f, 0xff, 0xff, 0xff }
};
static void qcom_qmp_phy_configure_dp_tx(struct qmp_phy *qphy)
static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
{
const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
unsigned int v_level = 0, p_level = 0;
@ -3451,21 +3469,7 @@ static void qcom_qmp_phy_configure_dp_tx(struct qmp_phy *qphy)
writel(bias_en, qphy->tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
}
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;
struct qmp_phy *qphy = phy_get_drvdata(phy);
memcpy(&qphy->dp_opts, dp_opts, sizeof(*dp_opts));
if (qphy->dp_opts.set_voltages) {
qcom_qmp_phy_configure_dp_tx(qphy);
qphy->dp_opts.set_voltages = 0;
}
return 0;
}
static int qcom_qmp_phy_configure_dp_phy(struct qmp_phy *qphy)
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;
@ -3561,9 +3565,8 @@ static int qcom_qmp_phy_configure_dp_phy(struct qmp_phy *qphy)
* We need to calibrate the aux setting here as many times
* as the caller tries
*/
static int qcom_qmp_dp_phy_calibrate(struct phy *phy)
static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
static const u8 cfg1_settings[] = { 0x13, 0x23, 0x1d };
u8 val;
@ -3576,6 +3579,32 @@ static int qcom_qmp_dp_phy_calibrate(struct phy *phy)
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;
struct qmp_phy *qphy = phy_get_drvdata(phy);
const struct qmp_phy_cfg *cfg = qphy->cfg;
memcpy(&qphy->dp_opts, dp_opts, sizeof(*dp_opts));
if (qphy->dp_opts.set_voltages) {
cfg->configure_dp_tx(qphy);
qphy->dp_opts.set_voltages = 0;
}
return 0;
}
static int qcom_qmp_dp_phy_calibrate(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
const struct qmp_phy_cfg *cfg = qphy->cfg;
if (cfg->calibrate_dp_phy)
return cfg->calibrate_dp_phy(qphy);
return 0;
}
static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
@ -3748,7 +3777,7 @@ static int qcom_qmp_phy_init(struct phy *phy)
return ret;
if (cfg->type == PHY_TYPE_DP)
qcom_qmp_phy_dp_aux_init(qphy);
cfg->dp_aux_init(qphy);
return 0;
}
@ -3802,7 +3831,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy)
/* Configure special DP tx tunings */
if (cfg->type == PHY_TYPE_DP)
qcom_qmp_phy_configure_dp_tx(qphy);
cfg->configure_dp_tx(qphy);
qcom_qmp_phy_configure_lane(rx, cfg->regs,
cfg->rx_tbl, cfg->rx_tbl_num, 1);
@ -3821,7 +3850,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy)
/* Configure link rate, swing, etc. */
if (cfg->type == PHY_TYPE_DP) {
qcom_qmp_phy_configure_dp_phy(qphy);
cfg->configure_dp_phy(qphy);
} else {
qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
if (cfg->pcs_tbl_sec)