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List: linux-scsi
Subject: Re: [PATCH 01/15] phy: qcom-qmp-ufs: Move register settings to qmp_phy_cfg_tables struct
From: Dmitry Baryshkov <dmitry.baryshkov () linaro ! org>
Date: 2022-10-31 18:50:59
Message-ID: 748f41e1-cafc-e7eb-43ac-b8daacf88da4 () linaro ! org
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On 31/10/2022 18:46, Manivannan Sadhasivam wrote:
> On Sun, Oct 30, 2022 at 12:50:50AM +0300, Dmitry Baryshkov wrote:
>> On 29/10/2022 17:16, Manivannan Sadhasivam wrote:
>>> As done for Qcom PCIe PHY driver, let's move the register settings to the
>>> common qmp_phy_cfg_tables 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_tables.
>>>
>>> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
>>> ---
>>> drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 223 +++++++++++++-----------
>>> 1 file changed, 126 insertions(+), 97 deletions(-)
>>>
>>> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
>>> index c08d34ad1313..cdfda4e6d575 100644
>>> --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
>>> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
>>> @@ -107,7 +107,7 @@ static const unsigned int sm8150_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
>>> [QPHY_SW_RESET] = QPHY_V4_PCS_UFS_SW_RESET,
>>> };
>>> -static const struct qmp_phy_init_tbl msm8996_ufs_serdes_tbl[] = {
>>> +static const struct qmp_phy_init_tbl msm8996_ufs_serdes[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x0e),
>>> QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0xd7),
>>> QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
>>> @@ -156,12 +156,12 @@ static const struct qmp_phy_init_tbl msm8996_ufs_serdes_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE1, 0x00),
>>> };
>>> -static const struct qmp_phy_init_tbl msm8996_ufs_tx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl msm8996_ufs_tx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45),
>>> QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x02),
>>> };
>>> -static const struct qmp_phy_init_tbl msm8996_ufs_rx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl msm8996_ufs_rx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x24),
>>> QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x02),
>>> QMP_PHY_INIT_CFG(QSERDES_RX_RX_INTERFACE_MODE, 0x00),
>>> @@ -175,7 +175,7 @@ static const struct qmp_phy_init_tbl msm8996_ufs_rx_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0E),
>>> };
>>> -static const struct qmp_phy_init_tbl sm6115_ufsphy_serdes_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm6115_ufsphy_serdes[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x0e),
>>> QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x14),
>>> QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
>>> @@ -231,12 +231,12 @@ static const struct qmp_phy_init_tbl sm6115_ufsphy_serdes_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x44),
>>> };
>>> -static const struct qmp_phy_init_tbl sm6115_ufsphy_tx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm6115_ufsphy_tx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45),
>>> QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06),
>>> };
>>> -static const struct qmp_phy_init_tbl sm6115_ufsphy_rx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm6115_ufsphy_rx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x24),
>>> QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x0F),
>>> QMP_PHY_INIT_CFG(QSERDES_RX_RX_INTERFACE_MODE, 0x40),
>>> @@ -254,7 +254,7 @@ static const struct qmp_phy_init_tbl sm6115_ufsphy_rx_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5B),
>>> };
>>> -static const struct qmp_phy_init_tbl sm6115_ufsphy_pcs_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm6115_ufsphy_pcs[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_PWM_GEAR_BAND, 0x15),
>>> QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_SIGDET_CTRL2, 0x6d),
>>> QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_LARGE_AMP_DRV_LVL, 0x0f),
>>> @@ -266,7 +266,7 @@ static const struct qmp_phy_init_tbl sm6115_ufsphy_pcs_tbl[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_MIN_HIBERN8_TIME, 0x9a), /* 8 us */
>>> };
>>> -static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
>>> QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04),
>>> QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
>>> @@ -308,13 +308,13 @@ static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44),
>>> };
>>> -static const struct qmp_phy_init_tbl sdm845_ufsphy_tx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sdm845_ufsphy_tx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06),
>>> QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x04),
>>> QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x07),
>>> };
>>> -static const struct qmp_phy_init_tbl sdm845_ufsphy_rx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sdm845_ufsphy_rx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_LVL, 0x24),
>>> QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x0f),
>>> QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
>>> @@ -333,7 +333,7 @@ static const struct qmp_phy_init_tbl sdm845_ufsphy_rx_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x59),
>>> };
>>> -static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SIGDET_CTRL2, 0x6e),
>>> QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
>>> QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
>>> @@ -344,7 +344,7 @@ static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs_tbl[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
>>> };
>>> -static const struct qmp_phy_init_tbl sm8150_ufsphy_serdes_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8150_ufsphy_serdes[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0xd9),
>>> QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x11),
>>> QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_HS_SWITCH_SEL, 0x00),
>>> @@ -374,7 +374,7 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_serdes_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x06),
>>> };
>>> -static const struct qmp_phy_init_tbl sm8150_ufsphy_tx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8150_ufsphy_tx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06),
>>> QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03),
>>> QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01),
>>> @@ -383,7 +383,7 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_tx_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0c),
>>> };
>>> -static const struct qmp_phy_init_tbl sm8150_ufsphy_rx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8150_ufsphy_rx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_LVL, 0x24),
>>> QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x0f),
>>> QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
>>> @@ -421,7 +421,7 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_rx_tbl[] = {
>>> };
>>> -static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
>>> QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
>>> QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
>>> @@ -431,7 +431,7 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs_tbl[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
>>> };
>>> -static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0xd9),
>>> QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_SEL, 0x11),
>>> QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_HS_SWITCH_SEL, 0x00),
>>> @@ -461,7 +461,7 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_MAP, 0x06),
>>> };
>>> -static const struct qmp_phy_init_tbl sm8350_ufsphy_tx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8350_ufsphy_tx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06),
>>> QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03),
>>> QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01),
>>> @@ -473,7 +473,7 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_tx_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V5_TX_TRAN_DRVR_EMP_EN, 0x0c),
>>> };
>>> -static const struct qmp_phy_init_tbl sm8350_ufsphy_rx_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8350_ufsphy_rx[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_LVL, 0x24),
>>> QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x0f),
>>> QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
>>> @@ -513,7 +513,7 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_rx_tbl[] = {
>>> QMP_PHY_INIT_CFG(QSERDES_V5_RX_DCC_CTRL1, 0x0c),
>>> };
>>> -static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_tbl[] = {
>>> +static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
>>> QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
>>> QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
>>> @@ -531,19 +531,24 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_tbl[] = {
>>> QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
>>> };
>>> +struct qmp_phy_cfg_tables {
>>> + /* 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;
>>> - /* 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_tables tables;
>>> /* clock ids to be requested */
>>> const char * const *clk_list;
>>> @@ -660,12 +665,14 @@ static const char * const qmp_phy_vreg_l[] = {
>>> static const struct qmp_phy_cfg msm8996_ufs_cfg = {
>>> .lanes = 1,
>>> - .serdes_tbl = msm8996_ufs_serdes_tbl,
>>> - .serdes_tbl_num = ARRAY_SIZE(msm8996_ufs_serdes_tbl),
>>> - .tx_tbl = msm8996_ufs_tx_tbl,
>>> - .tx_tbl_num = ARRAY_SIZE(msm8996_ufs_tx_tbl),
>>> - .rx_tbl = msm8996_ufs_rx_tbl,
>>> - .rx_tbl_num = ARRAY_SIZE(msm8996_ufs_rx_tbl),
>>> + .tables = {
>>> + .serdes = msm8996_ufs_serdes,
>>> + .serdes_num = ARRAY_SIZE(msm8996_ufs_serdes),
>>> + .tx = msm8996_ufs_tx,
>>> + .tx_num = ARRAY_SIZE(msm8996_ufs_tx),
>>> + .rx = msm8996_ufs_rx,
>>> + .rx_num = ARRAY_SIZE(msm8996_ufs_rx),
>>> + },
>>> .clk_list = msm8996_ufs_phy_clk_l,
>>> .num_clks = ARRAY_SIZE(msm8996_ufs_phy_clk_l),
>>> @@ -685,14 +692,16 @@ static const struct qmp_phy_cfg msm8996_ufs_cfg = {
>>> static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
>>> .lanes = 2,
>>> - .serdes_tbl = sdm845_ufsphy_serdes_tbl,
>>> - .serdes_tbl_num = ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
>>> - .tx_tbl = sdm845_ufsphy_tx_tbl,
>>> - .tx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_tx_tbl),
>>> - .rx_tbl = sdm845_ufsphy_rx_tbl,
>>> - .rx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_rx_tbl),
>>> - .pcs_tbl = sdm845_ufsphy_pcs_tbl,
>>> - .pcs_tbl_num = ARRAY_SIZE(sdm845_ufsphy_pcs_tbl),
>>> + .tables = {
>>> + .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,
>>> @@ -709,14 +718,16 @@ 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_tbl,
>>> - .serdes_tbl_num = ARRAY_SIZE(sm6115_ufsphy_serdes_tbl),
>>> - .tx_tbl = sm6115_ufsphy_tx_tbl,
>>> - .tx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_tx_tbl),
>>> - .rx_tbl = sm6115_ufsphy_rx_tbl,
>>> - .rx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_rx_tbl),
>>> - .pcs_tbl = sm6115_ufsphy_pcs_tbl,
>>> - .pcs_tbl_num = ARRAY_SIZE(sm6115_ufsphy_pcs_tbl),
>>> + .tables = {
>>> + .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,
>>> @@ -732,14 +743,16 @@ 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_tbl,
>>> - .serdes_tbl_num = ARRAY_SIZE(sm8150_ufsphy_serdes_tbl),
>>> - .tx_tbl = sm8150_ufsphy_tx_tbl,
>>> - .tx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_tx_tbl),
>>> - .rx_tbl = sm8150_ufsphy_rx_tbl,
>>> - .rx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_rx_tbl),
>>> - .pcs_tbl = sm8150_ufsphy_pcs_tbl,
>>> - .pcs_tbl_num = ARRAY_SIZE(sm8150_ufsphy_pcs_tbl),
>>> + .tables = {
>>> + .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,
>>> @@ -754,14 +767,16 @@ 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_tbl,
>>> - .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
>>> - .tx_tbl = sm8350_ufsphy_tx_tbl,
>>> - .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl),
>>> - .rx_tbl = sm8350_ufsphy_rx_tbl,
>>> - .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl),
>>> - .pcs_tbl = sm8350_ufsphy_pcs_tbl,
>>> - .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl),
>>> + .tables = {
>>> + .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,
>>> @@ -776,14 +791,16 @@ 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_tbl,
>>> - .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
>>> - .tx_tbl = sm8350_ufsphy_tx_tbl,
>>> - .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl),
>>> - .rx_tbl = sm8350_ufsphy_rx_tbl,
>>> - .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl),
>>> - .pcs_tbl = sm8350_ufsphy_pcs_tbl,
>>> - .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl),
>>> + .tables = {
>>> + .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,
>>> @@ -826,16 +843,43 @@ static void qmp_ufs_configure(void __iomem *base,
>>> qmp_ufs_configure_lane(base, regs, tbl, num, 0xff);
>>> }
>>> -static int qmp_ufs_serdes_init(struct qmp_phy *qphy)
>>> +static void qmp_ufs_serdes_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_tables *tables)
>>> {
>>> const struct qmp_phy_cfg *cfg = qphy->cfg;
>>> void __iomem *serdes = qphy->serdes;
>>> - const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
>>> - int serdes_tbl_num = cfg->serdes_tbl_num;
>>> - qmp_ufs_configure(serdes, cfg->regs, serdes_tbl, serdes_tbl_num);
>>> + if (!tables)
>>> + return;
>>> - return 0;
>>> + qmp_ufs_configure(serdes, cfg->regs, tables->serdes, tables->serdes_num);
>>> +}
>>> +
>>> +static void qmp_ufs_lanes_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_tables *tables)
>>> +{
>>> + const struct qmp_phy_cfg *cfg = qphy->cfg;
>>> + void __iomem *tx = qphy->tx;
>>> + void __iomem *rx = qphy->rx;
>>> +
>>> + qmp_ufs_configure_lane(tx, cfg->regs, tables->tx, tables->tx_num, 1);
>>> +
>>> + if (cfg->lanes >= 2)
>>> + qmp_ufs_configure_lane(qphy->tx2, cfg->regs, tables->tx, tables->tx_num, 2);
>>> +
>>> + qmp_ufs_configure_lane(rx, cfg->regs, tables->rx, tables->rx_num, 1);
>>> +
>>> + if (cfg->lanes >= 2)
>>> + qmp_ufs_configure_lane(qphy->rx2, cfg->regs, tables->rx, tables->rx_num, 2);
>>> +}
>>> +
>>> +static void qmp_ufs_pcs_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_tables *tables)
>>> +{
>>> + const struct qmp_phy_cfg *cfg = qphy->cfg;
>>> + void __iomem *pcs = qphy->pcs;
>>> +
>>> + if (!tables)
>>> + return;
>>> +
>>> + qmp_ufs_configure(pcs, cfg->regs, tables->pcs, tables->pcs_num);
>>> }
>>> static int qmp_ufs_com_init(struct qmp_phy *qphy)
>>> @@ -933,31 +977,16 @@ static int qmp_ufs_power_on(struct phy *phy)
>>> struct qmp_phy *qphy = phy_get_drvdata(phy);
>>> struct qcom_qmp *qmp = qphy->qmp;
>>> const struct qmp_phy_cfg *cfg = qphy->cfg;
>>> - void __iomem *tx = qphy->tx;
>>> - void __iomem *rx = qphy->rx;
>>> void __iomem *pcs = qphy->pcs;
>>> void __iomem *status;
>>> unsigned int mask, val, ready;
>>> int ret;
>>> - qmp_ufs_serdes_init(qphy);
>>> -
>>> - /* Tx, Rx, and PCS configurations */
>>> - qmp_ufs_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
>>> + qmp_ufs_serdes_init(qphy, &cfg->tables);
>>> - if (cfg->lanes >= 2) {
>>> - qmp_ufs_configure_lane(qphy->tx2, cfg->regs,
>>> - cfg->tx_tbl, cfg->tx_tbl_num, 2);
>>> - }
>>> -
>>> - qmp_ufs_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
>>> -
>>> - if (cfg->lanes >= 2) {
>>> - qmp_ufs_configure_lane(qphy->rx2, cfg->regs,
>>> - cfg->rx_tbl, cfg->rx_tbl_num, 2);
>>> - }
>>> + qmp_ufs_lanes_init(qphy, &cfg->tables);
>>> - qmp_ufs_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
>>> + qmp_ufs_pcs_init(qphy, &cfg->tables);
>>
>> I'd suggest going straight to qmp_ufs_init_registers, which would contain
>> both serdes, lanes and pcs inits.
>>
>
> That adds one more level of indirection which may not be needed here. Moreover,
> I'm trying to be in sync with other qmp drivers, specifically the pcie one.
> This helps in working with these drivers.
Yes, I understand. However I hope that the respective patchset
(including [1]) will be merged soon. Thus I suggest skipping the step
and using the same function already.
[1]
https://lore.kernel.org/linux-phy/20221028133603.18470-10-johan+linaro@kernel.org/
>
> Thanks,
> Mani
>
>>> ret = reset_control_deassert(qmp->ufs_reset);
>>> if (ret)
>>
>> --
>> With best wishes
>> Dmitry
>>
>
--
With best wishes
Dmitry
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