As done for Qcom PCIe PHY driver, let's move the register settings to the common qmp_phy_cfg_tbls struct. This helps in adding any additional PHY settings needed for functionalities like HS-G4 in the future by adding one more instance of the qmp_phy_cfg_tbls. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Tested-by: Andrew Halaney <ahalaney@xxxxxxxxxx> # Qdrive3/sa8540p-ride Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> --- drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 196 ++++++++++++++---------- 1 file changed, 113 insertions(+), 83 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index 35b77cd79e57..516027e356f0 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -527,21 +527,26 @@ struct qmp_ufs_offsets { u16 rx2; }; +struct qmp_phy_cfg_tbls { + /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ + const struct qmp_phy_init_tbl *serdes; + int serdes_num; + const struct qmp_phy_init_tbl *tx; + int tx_num; + const struct qmp_phy_init_tbl *rx; + int rx_num; + const struct qmp_phy_init_tbl *pcs; + int pcs_num; +}; + /* struct qmp_phy_cfg - per-PHY initialization config */ struct qmp_phy_cfg { int lanes; const struct qmp_ufs_offsets *offsets; - /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ - const struct qmp_phy_init_tbl *serdes_tbl; - int serdes_tbl_num; - const struct qmp_phy_init_tbl *tx_tbl; - int tx_tbl_num; - const struct qmp_phy_init_tbl *rx_tbl; - int rx_tbl_num; - const struct qmp_phy_init_tbl *pcs_tbl; - int pcs_tbl_num; + /* Main init sequence for PHY blocks - serdes, tx, rx, pcs */ + const struct qmp_phy_cfg_tbls tbls; /* clock ids to be requested */ const char * const *clk_list; @@ -632,12 +637,14 @@ static const struct qmp_ufs_offsets qmp_ufs_offsets_v5 = { static const struct qmp_phy_cfg msm8996_ufsphy_cfg = { .lanes = 1, - .serdes_tbl = msm8996_ufsphy_serdes, - .serdes_tbl_num = ARRAY_SIZE(msm8996_ufsphy_serdes), - .tx_tbl = msm8996_ufsphy_tx, - .tx_tbl_num = ARRAY_SIZE(msm8996_ufsphy_tx), - .rx_tbl = msm8996_ufsphy_rx, - .rx_tbl_num = ARRAY_SIZE(msm8996_ufsphy_rx), + .tbls = { + .serdes = msm8996_ufsphy_serdes, + .serdes_num = ARRAY_SIZE(msm8996_ufsphy_serdes), + .tx = msm8996_ufsphy_tx, + .tx_num = ARRAY_SIZE(msm8996_ufsphy_tx), + .rx = msm8996_ufsphy_rx, + .rx_num = ARRAY_SIZE(msm8996_ufsphy_rx), + }, .clk_list = msm8996_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(msm8996_ufs_phy_clk_l), @@ -655,14 +662,16 @@ static const struct qmp_phy_cfg sc8280xp_ufsphy_cfg = { .offsets = &qmp_ufs_offsets_v5, - .serdes_tbl = sm8350_ufsphy_serdes, - .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes), - .tx_tbl = sm8350_ufsphy_tx, - .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx), - .rx_tbl = sm8350_ufsphy_rx, - .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx), - .pcs_tbl = sm8350_ufsphy_pcs, - .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs), + .tbls = { + .serdes = sm8350_ufsphy_serdes, + .serdes_num = ARRAY_SIZE(sm8350_ufsphy_serdes), + .tx = sm8350_ufsphy_tx, + .tx_num = ARRAY_SIZE(sm8350_ufsphy_tx), + .rx = sm8350_ufsphy_rx, + .rx_num = ARRAY_SIZE(sm8350_ufsphy_rx), + .pcs = sm8350_ufsphy_pcs, + .pcs_num = ARRAY_SIZE(sm8350_ufsphy_pcs), + }, .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, @@ -673,14 +682,16 @@ static const struct qmp_phy_cfg sc8280xp_ufsphy_cfg = { static const struct qmp_phy_cfg sdm845_ufsphy_cfg = { .lanes = 2, - .serdes_tbl = sdm845_ufsphy_serdes, - .serdes_tbl_num = ARRAY_SIZE(sdm845_ufsphy_serdes), - .tx_tbl = sdm845_ufsphy_tx, - .tx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_tx), - .rx_tbl = sdm845_ufsphy_rx, - .rx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_rx), - .pcs_tbl = sdm845_ufsphy_pcs, - .pcs_tbl_num = ARRAY_SIZE(sdm845_ufsphy_pcs), + .tbls = { + .serdes = sdm845_ufsphy_serdes, + .serdes_num = ARRAY_SIZE(sdm845_ufsphy_serdes), + .tx = sdm845_ufsphy_tx, + .tx_num = ARRAY_SIZE(sdm845_ufsphy_tx), + .rx = sdm845_ufsphy_rx, + .rx_num = ARRAY_SIZE(sdm845_ufsphy_rx), + .pcs = sdm845_ufsphy_pcs, + .pcs_num = ARRAY_SIZE(sdm845_ufsphy_pcs), + }, .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, @@ -693,14 +704,16 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = { static const struct qmp_phy_cfg sm6115_ufsphy_cfg = { .lanes = 1, - .serdes_tbl = sm6115_ufsphy_serdes, - .serdes_tbl_num = ARRAY_SIZE(sm6115_ufsphy_serdes), - .tx_tbl = sm6115_ufsphy_tx, - .tx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_tx), - .rx_tbl = sm6115_ufsphy_rx, - .rx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_rx), - .pcs_tbl = sm6115_ufsphy_pcs, - .pcs_tbl_num = ARRAY_SIZE(sm6115_ufsphy_pcs), + .tbls = { + .serdes = sm6115_ufsphy_serdes, + .serdes_num = ARRAY_SIZE(sm6115_ufsphy_serdes), + .tx = sm6115_ufsphy_tx, + .tx_num = ARRAY_SIZE(sm6115_ufsphy_tx), + .rx = sm6115_ufsphy_rx, + .rx_num = ARRAY_SIZE(sm6115_ufsphy_rx), + .pcs = sm6115_ufsphy_pcs, + .pcs_num = ARRAY_SIZE(sm6115_ufsphy_pcs), + }, .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, @@ -713,14 +726,16 @@ static const struct qmp_phy_cfg sm6115_ufsphy_cfg = { static const struct qmp_phy_cfg sm8150_ufsphy_cfg = { .lanes = 2, - .serdes_tbl = sm8150_ufsphy_serdes, - .serdes_tbl_num = ARRAY_SIZE(sm8150_ufsphy_serdes), - .tx_tbl = sm8150_ufsphy_tx, - .tx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_tx), - .rx_tbl = sm8150_ufsphy_rx, - .rx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_rx), - .pcs_tbl = sm8150_ufsphy_pcs, - .pcs_tbl_num = ARRAY_SIZE(sm8150_ufsphy_pcs), + .tbls = { + .serdes = sm8150_ufsphy_serdes, + .serdes_num = ARRAY_SIZE(sm8150_ufsphy_serdes), + .tx = sm8150_ufsphy_tx, + .tx_num = ARRAY_SIZE(sm8150_ufsphy_tx), + .rx = sm8150_ufsphy_rx, + .rx_num = ARRAY_SIZE(sm8150_ufsphy_rx), + .pcs = sm8150_ufsphy_pcs, + .pcs_num = ARRAY_SIZE(sm8150_ufsphy_pcs), + }, .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, @@ -731,14 +746,16 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = { static const struct qmp_phy_cfg sm8350_ufsphy_cfg = { .lanes = 2, - .serdes_tbl = sm8350_ufsphy_serdes, - .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes), - .tx_tbl = sm8350_ufsphy_tx, - .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx), - .rx_tbl = sm8350_ufsphy_rx, - .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx), - .pcs_tbl = sm8350_ufsphy_pcs, - .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs), + .tbls = { + .serdes = sm8350_ufsphy_serdes, + .serdes_num = ARRAY_SIZE(sm8350_ufsphy_serdes), + .tx = sm8350_ufsphy_tx, + .tx_num = ARRAY_SIZE(sm8350_ufsphy_tx), + .rx = sm8350_ufsphy_rx, + .rx_num = ARRAY_SIZE(sm8350_ufsphy_rx), + .pcs = sm8350_ufsphy_pcs, + .pcs_num = ARRAY_SIZE(sm8350_ufsphy_pcs), + }, .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, @@ -749,14 +766,16 @@ static const struct qmp_phy_cfg sm8350_ufsphy_cfg = { static const struct qmp_phy_cfg sm8450_ufsphy_cfg = { .lanes = 2, - .serdes_tbl = sm8350_ufsphy_serdes, - .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes), - .tx_tbl = sm8350_ufsphy_tx, - .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx), - .rx_tbl = sm8350_ufsphy_rx, - .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx), - .pcs_tbl = sm8350_ufsphy_pcs, - .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs), + .tbls = { + .serdes = sm8350_ufsphy_serdes, + .serdes_num = ARRAY_SIZE(sm8350_ufsphy_serdes), + .tx = sm8350_ufsphy_tx, + .tx_num = ARRAY_SIZE(sm8350_ufsphy_tx), + .rx = sm8350_ufsphy_rx, + .rx_num = ARRAY_SIZE(sm8350_ufsphy_rx), + .pcs = sm8350_ufsphy_pcs, + .pcs_num = ARRAY_SIZE(sm8350_ufsphy_pcs), + }, .clk_list = sm8450_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sm8450_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, @@ -790,16 +809,40 @@ static void qmp_ufs_configure(void __iomem *base, qmp_ufs_configure_lane(base, tbl, num, 0xff); } -static int qmp_ufs_serdes_init(struct qmp_ufs *qmp) +static void qmp_ufs_serdes_init(struct qmp_ufs *qmp, const struct qmp_phy_cfg_tbls *tbls) { - const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *serdes = qmp->serdes; - const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl; - int serdes_tbl_num = cfg->serdes_tbl_num; - qmp_ufs_configure(serdes, serdes_tbl, serdes_tbl_num); + qmp_ufs_configure(serdes, tbls->serdes, tbls->serdes_num); +} - return 0; +static void qmp_ufs_lanes_init(struct qmp_ufs *qmp, const struct qmp_phy_cfg_tbls *tbls) +{ + const struct qmp_phy_cfg *cfg = qmp->cfg; + void __iomem *tx = qmp->tx; + void __iomem *rx = qmp->rx; + + qmp_ufs_configure_lane(tx, tbls->tx, tbls->tx_num, 1); + qmp_ufs_configure_lane(rx, tbls->rx, tbls->rx_num, 1); + + if (cfg->lanes >= 2) { + qmp_ufs_configure_lane(qmp->tx2, tbls->tx, tbls->tx_num, 2); + qmp_ufs_configure_lane(qmp->rx2, tbls->rx, tbls->rx_num, 2); + } +} + +static void qmp_ufs_pcs_init(struct qmp_ufs *qmp, const struct qmp_phy_cfg_tbls *tbls) +{ + void __iomem *pcs = qmp->pcs; + + qmp_ufs_configure(pcs, tbls->pcs, tbls->pcs_num); +} + +static void qmp_ufs_init_registers(struct qmp_ufs *qmp, const struct qmp_phy_cfg *cfg) +{ + qmp_ufs_serdes_init(qmp, &cfg->tbls); + qmp_ufs_lanes_init(qmp, &cfg->tbls); + qmp_ufs_pcs_init(qmp, &cfg->tbls); } static int qmp_ufs_com_init(struct qmp_ufs *qmp) @@ -886,25 +929,12 @@ static int qmp_ufs_power_on(struct phy *phy) { struct qmp_ufs *qmp = phy_get_drvdata(phy); const struct qmp_phy_cfg *cfg = qmp->cfg; - void __iomem *tx = qmp->tx; - void __iomem *rx = qmp->rx; void __iomem *pcs = qmp->pcs; void __iomem *status; unsigned int val; int ret; - qmp_ufs_serdes_init(qmp); - - /* Tx, Rx, and PCS configurations */ - qmp_ufs_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); - qmp_ufs_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); - - if (cfg->lanes >= 2) { - qmp_ufs_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2); - qmp_ufs_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2); - } - - qmp_ufs_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); + qmp_ufs_init_registers(qmp, cfg); ret = reset_control_deassert(qmp->ufs_reset); if (ret) -- 2.25.1