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Message-ID: <5ea14162-567b-462d-be02-b73b954b7507@quicinc.com>
Date: Thu, 5 Dec 2024 21:26:47 +0800
From: Xiangxu Yin <quic_xiangxuy@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Rob Clark <robdclark@...il.com>,
Abhinav Kumar
<quic_abhinavk@...cinc.com>,
Sean Paul <sean@...rly.run>,
Marijn Suijten
<marijn.suijten@...ainline.org>,
Maarten Lankhorst
<maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>,
"Krzysztof
Kozlowski" <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
"Kuogee
Hsieh" <quic_khsieh@...cinc.com>,
Vinod Koul <vkoul@...nel.org>,
"Kishon
Vijay Abraham I" <kishon@...nel.org>,
Linus Walleij
<linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>, <quic_lliu6@...cinc.com>,
<quic_fangez@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
<dri-devel@...ts.freedesktop.org>, <freedreno@...ts.freedesktop.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-phy@...ts.infradead.org>, <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH 3/8] phy: qcom: qmp-usbc: Add DP phy mode support on
QCS615
On 11/29/2024 10:33 PM, Dmitry Baryshkov wrote:
> On Fri, 29 Nov 2024 at 09:59, Xiangxu Yin <quic_xiangxuy@...cinc.com> wrote:
>>
>> Extended DP support for QCS615 USB or DP phy. Differentiated between
>> USBC and DP PHY using the match table’s type, dynamically generating
>> different types of cfg and layout attributes during initialization based
>> on this type. Static variables are stored in cfg, while parsed values
>> are organized into the layout structure.
>
> We didn't have an understanding / conclusion whether
> qcom,usb-ssphy-qmp-usb3-or-dp PHYs are actually a single device / PHY
> or two PHYs being placed next to each other. Could you please start
> your commit message by explaining it? Or even better, make that a part
> of the cover letter for a new series touching just the USBC PHY
> driver. DP changes don't have anything in common with the PHY changes,
> so you can split the series into two.
>
Before implement DP extension, we have discussed with abhinav and krishna about whether use combo, usbc or separate phy.
We identified that DP and USB share some common controls for phy_mode and orientation.
Specifically, 'TCSR_USB3_0_DP_PHYMODE' controls who must use the lanes - USB or DP,
while PERIPH_SS_USB0_USB3PHY_PCS_MISC_TYPEC_CTRL controls the orientation.
It would be more efficient for a single driver to manage these controls.
Additionally, this PHY does not support Alt Mode, and the two control registers are located in separate address spaces.
Therefore, even though the orientation for DP on this platform is always normal and connected to the video output board,
we still decided to base it on the USBC extension.
>>
>> Signed-off-by: Xiangxu Yin <quic_xiangxuy@...cinc.com>
>> ---
>> drivers/phy/qualcomm/phy-qcom-qmp-dp-phy.h | 1 +
>> drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 1453 ++++++++++++++++++++++++----
>
> Too many changes for a single patch. Please split into logical chunks.
>
Ok.
Once we have clarified the overall direction,
we can then discuss whether to split on current list or create a new list for the split.
>> 2 files changed, 1254 insertions(+), 200 deletions(-)
>>
>> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-dp-phy.h b/drivers/phy/qualcomm/phy-qcom-qmp-dp-phy.h
>> index 0ebd405bcaf0cac8215550bfc9b226f30cc43a59..59885616405f878885d0837838a0bac1899fb69f 100644
>> --- a/drivers/phy/qualcomm/phy-qcom-qmp-dp-phy.h
>> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-dp-phy.h
>> @@ -25,6 +25,7 @@
>> #define QSERDES_DP_PHY_AUX_CFG7 0x03c
>> #define QSERDES_DP_PHY_AUX_CFG8 0x040
>> #define QSERDES_DP_PHY_AUX_CFG9 0x044
>> +#define QSERDES_DP_PHY_VCO_DIV 0x068
>>
>> /* QSERDES COM_BIAS_EN_CLKBUFLR_EN bits */
>> # define QSERDES_V3_COM_BIAS_EN 0x0001
>> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
>> index cf12a6f12134dc77ff032f967b2efa43e3de4b21..7fece9d7dc959ed5a7c62077d8552324c3734859 100644
>> --- a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
>> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
>> @@ -22,13 +22,20 @@
>> #include <linux/slab.h>
>> #include <linux/usb/typec.h>
>> #include <linux/usb/typec_mux.h>
>> +#include <dt-bindings/phy/phy-qcom-qmp.h>
>> +#include <drm/bridge/aux-bridge.h>
>>
>> #include "phy-qcom-qmp-common.h"
>>
>> #include "phy-qcom-qmp.h"
>> #include "phy-qcom-qmp-pcs-misc-v3.h"
>>
>> +#include "phy-qcom-qmp-dp-phy.h"
>> +#include "phy-qcom-qmp-dp-phy-v3.h"
>> +
>> #define PHY_INIT_COMPLETE_TIMEOUT 10000
>> +#define SW_PORTSELECT_VAL BIT(0)
>> +#define SW_PORTSELECT_MUX BIT(1)
>>
>> /* set of registers with offsets different per-PHY */
>> enum qphy_reg_layout {
>> @@ -284,7 +291,26 @@ static const struct qmp_phy_init_tbl qcm2290_usb3_pcs_tbl[] = {
>> QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
>> };
>>
>> -struct qmp_usbc_offsets {
>> +enum qmp_phy_usbc_type {
>> + QMP_PHY_USBC_INVALID,
>
> How can a type be invalid?
>
I thought that platformdata must specify a type, so I set the default value to ‘invalid’.
I will remove this in a future patch.
>> + QMP_PHY_USBC_USB,
>> + QMP_PHY_USBC_DP,
>> +};
>> +
>> +/* list of regulators */
>> +struct qmp_regulator_data {
>> + const char *name;
>> + unsigned int enable_load;
>> +};
>> +
>> +struct dev_cfg {
>> + int type;
>> + const void *cfg;
>> +};
>> +
>> +struct qmp_usbc;
>> +
>> +struct qmp_usbc_usb_offsets {
>> u16 serdes;
>> u16 pcs;
>> u16 pcs_misc;
>> @@ -295,9 +321,9 @@ struct qmp_usbc_offsets {
>> u16 rx2;
>> };
>>
>> -/* struct qmp_phy_cfg - per-PHY initialization config */
>> -struct qmp_phy_cfg {
>> - const struct qmp_usbc_offsets *offsets;
>> +/* struct qmp_phy_usb_cfg - per-usb PHY initialization config */
>
> what is "per-usb PHY"?
>
Each usb phy in which defined in platform data.
Shall I remove this annotation?
>> +struct qmp_phy_usb_cfg {
>> + const struct qmp_usbc_usb_offsets *offsets;
>>
>> /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
>> const struct qmp_phy_init_tbl *serdes_tbl;
>> @@ -317,11 +343,7 @@ struct qmp_phy_cfg {
>> const unsigned int *regs;
>> };
>>
>> -struct qmp_usbc {
>> - struct device *dev;
>> -
>> - const struct qmp_phy_cfg *cfg;
>> -
>> +struct qmp_phy_usb_layout {
>> void __iomem *serdes;
>> void __iomem *pcs;
>> void __iomem *pcs_misc;
>> @@ -329,28 +351,67 @@ struct qmp_usbc {
>> void __iomem *rx;
>> void __iomem *tx2;
>> void __iomem *rx2;
>> -
>> struct regmap *tcsr_map;
>> u32 vls_clamp_reg;
>> -
>> + enum phy_mode mode;
>> + struct typec_switch_dev *sw;
>> struct clk *pipe_clk;
>> + struct clk_fixed_rate pipe_clk_fixed;
>> +};
>> +
>> +struct qmp_usbc_dp_offsets {
>> + u16 dp_serdes;
>> + u16 dp_txa;
>> + u16 dp_txb;
>> + u16 dp_phy;
>> +};
>> +
>> +/* struct qmp_phy_dp_cfg - per-dp PHY initialization config */
>> +struct qmp_phy_dp_cfg {
>> + const struct qmp_usbc_dp_offsets *offsets;
>> +
>> + /* DP PHY swing and pre_emphasis tables */
>> + const u8 (*swing_tbl)[4][4];
>> + const u8 (*pre_emphasis_tbl)[4][4];
>> +
>> + // /* DP PHY callbacks */
>> + int (*dp_aux_init)(struct qmp_usbc *qmp);
>> + int (*configure_dp_serdes)(struct qmp_usbc *qmp);
>> + int (*configure_dp_voltages)(struct qmp_usbc *qmp);
>> + int (*configure_dp_phy)(struct qmp_usbc *qmp);
>> + int (*calibrate_dp_phy)(struct qmp_usbc *qmp);
>> +
>> + const struct qmp_regulator_data *vreg_list;
>> + int num_vregs;
>> +};
>> +
>> +struct qmp_phy_dp_layout {
>> + void __iomem *dp_phy;
>> + void __iomem *dp_tx;
>> + void __iomem *dp_tx2;
>> + void __iomem *dp_serdes;
>> + struct regmap *tcsr_map;
>> + u32 dp_phy_mode;
>> + unsigned int dp_aux_cfg;
>> + struct phy_configure_opts_dp dp_opts;
>> + struct clk_hw dp_link_hw;
>> + struct clk_hw dp_pixel_hw;
>> +};
>> +
>> +struct qmp_usbc {
>> + struct device *dev;
>> + int type;
>> struct clk_bulk_data *clks;
>> int num_clks;
>> int num_resets;
>> struct reset_control_bulk_data *resets;
>> struct regulator_bulk_data *vregs;
>> -
>> struct mutex phy_mutex;
>> -
>> - enum phy_mode mode;
>> - unsigned int usb_init_count;
>> -
>> struct phy *phy;
>> -
>> - struct clk_fixed_rate pipe_clk_fixed;
>> -
>> - struct typec_switch_dev *sw;
>> enum typec_orientation orientation;
>> + unsigned int init_count;
>> + const void *cfg;
>> + void *layout;
>
> The patch contains a mixture of renames bundled with actual changes.
> Please explain why old names are bad in a separate patch.
>
Ok, The renaming is mainly to distinguish which structures are for USB or DP, which are fixed configurations, and which are dynamically parsed variables.
After we clarify the overall direction, If still implement in usbc,
will seperate to below 4 patchsets.
1.renaming and structural adjustments for the USB driver
2.structure definitions for DP extension.
3.common callback functions for DP.
4.platform-related functions for DP.
>> };
>>
>> static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
>> @@ -391,12 +452,21 @@ static const char * const usb3phy_reset_l[] = {
>> "phy_phy", "phy",
>> };
>>
>> +static const char * const dp_usb3phy_reset_l[] = {
>> + "phy",
>> +};
>> +
>> /* list of regulators */
>> -static const char * const qmp_phy_vreg_l[] = {
>> +static const char * const qmp_phy_usb_vreg_l[] = {
>> "vdda-phy", "vdda-pll",
>> };
>>
>> -static const struct qmp_usbc_offsets qmp_usbc_offsets_v3_qcm2290 = {
>> +static struct qmp_regulator_data qmp_phy_dp_vreg_l[] = {
>> + { .name = "vdda-phy", .enable_load = 21800 },
>> + { .name = "vdda-pll", .enable_load = 36000 },
>> +};
>> +
>> +static const struct qmp_usbc_usb_offsets qmp_usbc_usb_offsets_v3_qcm2290 = {
>> .serdes = 0x0,
>> .pcs = 0xc00,
>> .pcs_misc = 0xa00,
>> @@ -406,8 +476,15 @@ static const struct qmp_usbc_offsets qmp_usbc_offsets_v3_qcm2290 = {
>> .rx2 = 0x800,
>> };
>>
>> -static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
>> - .offsets = &qmp_usbc_offsets_v3_qcm2290,
>> +static const struct qmp_usbc_dp_offsets qmp_usbc_dp_offsets_qcs615 = {
>> + .dp_serdes = 0x0C00,
>> + .dp_txa = 0x0400,
>> + .dp_txb = 0x0800,
>> + .dp_phy = 0x0000,
>> +};
>> +
>> +static const struct qmp_phy_usb_cfg msm8998_usb3phy_cfg = {
>> + .offsets = &qmp_usbc_usb_offsets_v3_qcm2290,
>>
>> .serdes_tbl = msm8998_usb3_serdes_tbl,
>> .serdes_tbl_num = ARRAY_SIZE(msm8998_usb3_serdes_tbl),
>> @@ -417,13 +494,13 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
>> .rx_tbl_num = ARRAY_SIZE(msm8998_usb3_rx_tbl),
>> .pcs_tbl = msm8998_usb3_pcs_tbl,
>> .pcs_tbl_num = ARRAY_SIZE(msm8998_usb3_pcs_tbl),
>> - .vreg_list = qmp_phy_vreg_l,
>> - .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
>> + .vreg_list = qmp_phy_usb_vreg_l,
>> + .num_vregs = ARRAY_SIZE(qmp_phy_usb_vreg_l),
>> .regs = qmp_v3_usb3phy_regs_layout,
>> };
>>
>> -static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
>> - .offsets = &qmp_usbc_offsets_v3_qcm2290,
>> +static const struct qmp_phy_usb_cfg qcm2290_usb3phy_cfg = {
>> + .offsets = &qmp_usbc_usb_offsets_v3_qcm2290,
>>
>> .serdes_tbl = qcm2290_usb3_serdes_tbl,
>> .serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl),
>> @@ -433,13 +510,13 @@ static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
>> .rx_tbl_num = ARRAY_SIZE(qcm2290_usb3_rx_tbl),
>> .pcs_tbl = qcm2290_usb3_pcs_tbl,
>> .pcs_tbl_num = ARRAY_SIZE(qcm2290_usb3_pcs_tbl),
>> - .vreg_list = qmp_phy_vreg_l,
>> - .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
>> + .vreg_list = qmp_phy_usb_vreg_l,
>> + .num_vregs = ARRAY_SIZE(qmp_phy_usb_vreg_l),
>> .regs = qmp_v3_usb3phy_regs_layout_qcm2290,
>> };
>>
>> -static const struct qmp_phy_cfg sdm660_usb3phy_cfg = {
>> - .offsets = &qmp_usbc_offsets_v3_qcm2290,
>> +static const struct qmp_phy_usb_cfg sdm660_usb3phy_cfg = {
>> + .offsets = &qmp_usbc_usb_offsets_v3_qcm2290,
>>
>> .serdes_tbl = qcm2290_usb3_serdes_tbl,
>> .serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl),
>> @@ -449,20 +526,352 @@ static const struct qmp_phy_cfg sdm660_usb3phy_cfg = {
>> .rx_tbl_num = ARRAY_SIZE(sdm660_usb3_rx_tbl),
>> .pcs_tbl = qcm2290_usb3_pcs_tbl,
>> .pcs_tbl_num = ARRAY_SIZE(qcm2290_usb3_pcs_tbl),
>> - .vreg_list = qmp_phy_vreg_l,
>> - .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
>> + .vreg_list = qmp_phy_usb_vreg_l,
>> + .num_vregs = ARRAY_SIZE(qmp_phy_usb_vreg_l),
>> .regs = qmp_v3_usb3phy_regs_layout_qcm2290,
>> };
>>
>> -static int qmp_usbc_init(struct phy *phy)
>> +static const u8 qmp_dp_pre_emphasis_hbr2_rbr[4][4] = {
>> + {0x00, 0x0B, 0x12, 0xFF}, /* pe0, 0 db */
>> + {0x00, 0x0A, 0x12, 0xFF}, /* pe1, 3.5 db */
>> + {0x00, 0x0C, 0xFF, 0xFF}, /* pe2, 6.0 db */
>> + {0xFF, 0xFF, 0xFF, 0xFF} /* pe3, 9.5 db */
>> +};
>> +
>> +static const u8 qmp_dp_voltage_swing_hbr2_rbr[4][4] = {
>> + {0x07, 0x0F, 0x14, 0xFF}, /* sw0, 0.4v */
>> + {0x11, 0x1D, 0x1F, 0xFF}, /* sw1, 0.6 v */
>> + {0x18, 0x1F, 0xFF, 0xFF}, /* sw1, 0.8 v */
>> + {0xFF, 0xFF, 0xFF, 0xFF} /* sw1, 1.2 v, optional */
>> +};
>> +
>> +static int qcs615_qmp_dp_aux_init(struct qmp_usbc *qmp);
>> +static int qcs615_qmp_configure_dp_serdes(struct qmp_usbc *qmp);
>> +static int qcs615_qmp_configure_dp_voltages(struct qmp_usbc *qmp);
>> +static int qcs615_qmp_configure_dp_phy(struct qmp_usbc *qmp);
>> +static int qcs615_qmp_calibrate_dp_phy(struct qmp_usbc *qmp);
>
> Are those functions really platform-specific?
>
I mainly compared the driver of the combo PHY to identify reusable functions.
I extracted the dp_aux_init, configure_dp_phy and calibrate_dp_phy,
and based on the differences in the flow of the HPG in the 14nm DP PHY,
I separated out the configure_dp_voltages and configure_dp_serdes functions.
Detailed explanation is provided in the following comment.
>> +
>> +static void qmp_usbc_check_dp_phy(struct qmp_usbc *qmp, const char *pos);
>> +
>> +static const struct qmp_phy_dp_cfg qcs615_dpphy_cfg = {
>> + .offsets = &qmp_usbc_dp_offsets_qcs615,
>> +
>> + .swing_tbl = &qmp_dp_voltage_swing_hbr2_rbr,
>> + .pre_emphasis_tbl = &qmp_dp_pre_emphasis_hbr2_rbr,
>> +
>> + .dp_aux_init = qcs615_qmp_dp_aux_init,
>> + .configure_dp_serdes = qcs615_qmp_configure_dp_serdes,
>> + .configure_dp_voltages = qcs615_qmp_configure_dp_voltages,
>> + .configure_dp_phy = qcs615_qmp_configure_dp_phy,
>> + .calibrate_dp_phy = qcs615_qmp_calibrate_dp_phy,
>> +
>> + .vreg_list = qmp_phy_dp_vreg_l,
>> + .num_vregs = ARRAY_SIZE(qmp_phy_dp_vreg_l),
>> +};
>> +
>> +#define to_usb_cfg(x) ((struct qmp_phy_usb_cfg *)(x->cfg))
>> +#define to_dp_cfg(x) ((struct qmp_phy_dp_cfg *)(x->cfg))
>> +#define to_usb_layout(x) ((struct qmp_phy_usb_layout *)(x->layout))
>> +#define to_dp_layout(x) ((struct qmp_phy_dp_layout *)(x->layout))
>> +
>> +static int qcs615_qmp_dp_aux_init(struct qmp_usbc *qmp)
>> +{
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> +
>> + regmap_write(layout->tcsr_map, layout->dp_phy_mode, 0x1);
>> +
>> + writel(DP_PHY_PD_CTL_AUX_PWRDN |
>> + DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN |
>> + DP_PHY_PD_CTL_PLL_PWRDN,
>> + layout->dp_phy + QSERDES_DP_PHY_PD_CTL);
>> +
>> + writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
>> + DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN |
>> + DP_PHY_PD_CTL_PLL_PWRDN,
>> + layout->dp_phy + QSERDES_DP_PHY_PD_CTL);
>> +
>> + writel(0x00, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG0);
>> + writel(0x13, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG1);
>> + writel(0x00, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG2);
>> + writel(0x00, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG3);
>> + writel(0x0a, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG4);
>> + writel(0x26, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG5);
>> + writel(0x0a, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG6);
>> + writel(0x03, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG7);
>> + writel(0xbb, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG8);
>> + writel(0x03, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG9);
>> + layout->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,
>> + layout->dp_phy + QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK);
>> + return 0;
>> +}
>
> We've had DP PHY implementation in QMP Combo PHY and in eDP PHY.
> Please review them and work on extracting common bits into some kind
> of a library. At least -combo and your -usbc implementation seem close
> enough to warrant common library code.
>
Initially, I intended to reference the register tables of combo.
However, I discovered some flow differences in the 14nm PHY,
So, I only kept the sw and pe tables, and the rest was implemented as functions.
1.configure_dp_serdes:
The configuration of dp_serdes in the 14nm PHY is similar to that of eDP.
The configurations corresponding to RBR to HBR2 need to be set in the middle of the dp_serdes.
Therefore, I didn’t split it into five tables, but instead referenced the eDP implementation such like com_configure_pll.
2.configure_dp_voltages:
14nm DP phy have only one pair of reference swing table and pre_emphasis_tbl.
Similar implement with combo V3.
3.configure_dp_phy & power_on:
This PHY requires alternating configurations among the dp_phy, dp_serdes, and dp_tx, dp_tx2 register groups,
which makes grouped configuration less convenient.
>> +
>> +static int qcs615_qmp_configure_dp_serdes(struct qmp_usbc *qmp)
>> +{
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + void __iomem *serdes = layout->dp_serdes;
>> + const struct phy_configure_opts_dp *dp_opts = &layout->dp_opts;
>> + u8 hsclk_sel;
>> + u8 dec_start_mode0;
>> + u8 div_frac_start1_mode0;
>> + u8 div_frac_start2_mode0;
>> + u8 div_frac_start3_mode0;
>> + u8 lock_cmp1_mode0;
>> + u8 lock_cmp2_mode0;
>> + u8 lock_cmp3_mode0;
>> +
>> + switch (dp_opts->link_rate) {
>> + case 1620:
>> + hsclk_sel = 0x2c;
>> + dec_start_mode0 = 0x69;
>> + div_frac_start1_mode0 = 0x00;
>> + div_frac_start2_mode0 = 0x80;
>> + div_frac_start3_mode0 = 0x07;
>> + lock_cmp1_mode0 = 0xbf;
>> + lock_cmp2_mode0 = 0x21;
>> + lock_cmp3_mode0 = 0x00;
>> + break;
>> + case 2700:
>> + hsclk_sel = 0x24;
>> + dec_start_mode0 = 0x69;
>> + div_frac_start1_mode0 = 0x00;
>> + div_frac_start2_mode0 = 0x80;
>> + div_frac_start3_mode0 = 0x07;
>> + lock_cmp1_mode0 = 0x3f;
>> + lock_cmp2_mode0 = 0x38;
>> + lock_cmp3_mode0 = 0x00;
>> + break;
>> + case 5400:
>> + hsclk_sel = 0x20;
>> + dec_start_mode0 = 0x8c;
>> + div_frac_start1_mode0 = 0x00;
>> + div_frac_start2_mode0 = 0x00;
>> + div_frac_start3_mode0 = 0x0a;
>> + lock_cmp1_mode0 = 0x7f;
>> + lock_cmp2_mode0 = 0x70;
>> + lock_cmp3_mode0 = 0x00;
>> + break;
>> + default:
>> + /* Other link rates aren't supported */
>> + return -EINVAL;
>> + }
>> +
>> + writel(0x01, serdes + QSERDES_COM_SVS_MODE_CLK_SEL);
>> + writel(0x37, serdes + QSERDES_COM_SYSCLK_EN_SEL);
>> + writel(0x00, serdes + QSERDES_COM_CLK_SELECT);
>> + writel(0x06, serdes + QSERDES_COM_SYS_CLK_CTRL);
>> + writel(0x3f, serdes + QSERDES_COM_BIAS_EN_CLKBUFLR_EN);
>> + writel(0x0e, serdes + QSERDES_COM_CLK_ENABLE1);
>> + writel(0x0f, serdes + QSERDES_COM_BG_CTRL);
>> + writel(0x06, serdes + QSERDES_COM_SYSCLK_BUF_ENABLE);
>> + writel(0x30, serdes + QSERDES_COM_CLK_SELECT);
>> + writel(0x0f, serdes + QSERDES_COM_PLL_IVCO);
>> + writel(0x28, serdes + QSERDES_COM_PLL_CCTRL_MODE0);
>> + writel(0x16, serdes + QSERDES_COM_PLL_RCTRL_MODE0);
>> + writel(0x0b, serdes + QSERDES_COM_CP_CTRL_MODE0);
>> +
>> + writel(hsclk_sel, serdes + QSERDES_COM_HSCLK_SEL);
>> + writel(dec_start_mode0, serdes + QSERDES_COM_DEC_START_MODE0);
>> + writel(div_frac_start1_mode0, serdes + QSERDES_COM_DIV_FRAC_START1_MODE0);
>> + writel(div_frac_start2_mode0, serdes + QSERDES_COM_DIV_FRAC_START2_MODE0);
>> + writel(div_frac_start3_mode0, serdes + QSERDES_COM_DIV_FRAC_START3_MODE0);
>> + writel(lock_cmp1_mode0, serdes + QSERDES_COM_LOCK_CMP1_MODE0);
>> + writel(lock_cmp2_mode0, serdes + QSERDES_COM_LOCK_CMP2_MODE0);
>> + writel(lock_cmp3_mode0, serdes + QSERDES_COM_LOCK_CMP3_MODE0);
>> +
>> + writel(0x40, serdes + QSERDES_COM_INTEGLOOP_GAIN0_MODE0);
>> + writel(0x00, serdes + QSERDES_COM_INTEGLOOP_GAIN1_MODE0);
>> + writel(0x00, serdes + QSERDES_COM_VCO_TUNE_MAP);
>> + writel(0x08, serdes + QSERDES_COM_BG_TIMER);
>> + writel(0x05, serdes + QSERDES_COM_CORECLK_DIV);
>> + writel(0x00, serdes + QSERDES_COM_VCO_TUNE_CTRL);
>> + writel(0x00, serdes + QSERDES_COM_VCO_TUNE1_MODE0);
>> + writel(0x00, serdes + QSERDES_COM_VCO_TUNE2_MODE0);
>> + writel(0x00, serdes + QSERDES_COM_VCO_TUNE_CTRL);
>> +
>> + writel(0x0f, serdes + QSERDES_COM_CORE_CLK_EN);
>> +
>> + return 0;
>> +}
>> +
>> +static int qcs615_qmp_configure_dp_voltages(struct qmp_usbc *qmp)
>> +{
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> + const struct phy_configure_opts_dp *dp_opts = &layout->dp_opts;
>> + void __iomem *tx = layout->dp_tx;
>> + void __iomem *tx2 = layout->dp_tx2;
>> + unsigned int v_level = 0, p_level = 0;
>> + u8 voltage_swing_cfg, pre_emphasis_cfg;
>> + int i;
>> +
>> + if (dp_opts->lanes > 4) {
>> + dev_err(qmp->dev, "Invalid lane_num(%d)\n", dp_opts->lanes);
>> + return -EINVAL;
>> + }
>> +
>> + for (i = 0; i < dp_opts->lanes; i++) {
>> + v_level = max(v_level, dp_opts->voltage[i]);
>> + p_level = max(p_level, dp_opts->pre[i]);
>> + }
>> +
>> + if ((v_level > 4) || (pre_emphasis_cfg > 4)) {
>> + dev_err(qmp->dev, "Invalid v(%d) | p(%d) level)\n",
>> + v_level, pre_emphasis_cfg);
>> + return -EINVAL;
>> + }
>> +
>> + voltage_swing_cfg = (*cfg->swing_tbl)[v_level][p_level];
>> + pre_emphasis_cfg = (*cfg->pre_emphasis_tbl)[v_level][p_level];
>> +
>> + /* 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;
>> +
>> + if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF)
>> + return -EINVAL;
>> +
>> + /* program default setting first */
>> + writel(0x2A, tx + QSERDES_V3_TX_TX_DRV_LVL);
>> + writel(0x20, tx + QSERDES_V3_TX_TX_EMP_POST1_LVL);
>> + writel(0x2A, tx2 + QSERDES_V3_TX_TX_DRV_LVL);
>> + writel(0x20, tx2 + QSERDES_V3_TX_TX_EMP_POST1_LVL);
>
> Lowercase all hex numbers.
>
Ok, will update in next patch.
>> +
>> + writel(voltage_swing_cfg, tx + QSERDES_V3_TX_TX_DRV_LVL);
>> + writel(pre_emphasis_cfg, tx + QSERDES_V3_TX_TX_EMP_POST1_LVL);
>> + writel(voltage_swing_cfg, tx2 + QSERDES_V3_TX_TX_DRV_LVL);
>> + writel(pre_emphasis_cfg, tx2 + QSERDES_V3_TX_TX_EMP_POST1_LVL);
>> +
>> + return 0;
>> +}
>> +
>> +static int qcs615_qmp_configure_dp_phy(struct qmp_usbc *qmp)
>> +{
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + u32 status;
>> +
>> + writel(0x01, layout->dp_phy + QSERDES_DP_PHY_CFG);
>> + writel(0x05, layout->dp_phy + QSERDES_DP_PHY_CFG);
>> + writel(0x01, layout->dp_phy + QSERDES_DP_PHY_CFG);
>> + writel(0x09, layout->dp_phy + QSERDES_DP_PHY_CFG);
>> +
>> + writel(0x20, layout->dp_serdes + QSERDES_COM_RESETSM_CNTRL);
>> +
>> + // C_READY
>> + if (readl_poll_timeout(layout->dp_serdes + QSERDES_COM_C_READY_STATUS,
>> + status,
>> + ((status & BIT(0)) > 0),
>> + 500,
>> + 10000)) {
>> + dev_err(qmp->dev, "C_READY not ready\n");
>> + return -ETIMEDOUT;
>> + }
>> +
>> + // FREQ_DONE
>> + if (readl_poll_timeout(layout->dp_serdes + QSERDES_COM_CMN_STATUS,
>> + status,
>> + ((status & BIT(0)) > 0),
>> + 500,
>> + 10000)){
>> + dev_err(qmp->dev, "FREQ_DONE not ready\n");
>> + return -ETIMEDOUT;
>> + }
>> +
>> + // PLL_LOCKED
>> + if (readl_poll_timeout(layout->dp_serdes + QSERDES_COM_CMN_STATUS,
>> + status,
>> + ((status & BIT(1)) > 0),
>> + 500,
>> + 10000)){
>> + dev_err(qmp->dev, "PLL_LOCKED not ready\n");
>> + return -ETIMEDOUT;
>> + }
>> +
>> + writel(0x19, layout->dp_phy + QSERDES_DP_PHY_CFG);
>> + udelay(10);
>> +
>> + // TSYNC_DONE
>> + if (readl_poll_timeout(layout->dp_phy + QSERDES_V3_DP_PHY_STATUS,
>> + status,
>> + ((status & BIT(0)) > 0),
>> + 500,
>> + 10000)){
>> + dev_err(qmp->dev, "TSYNC_DONE not ready\n");
>> + return -ETIMEDOUT;
>> + }
>> +
>> + // PHY_READY
>> + if (readl_poll_timeout(layout->dp_phy + QSERDES_V3_DP_PHY_STATUS,
>> + status,
>> + ((status & BIT(1)) > 0),
>> + 500,
>> + 10000)){
>> + dev_err(qmp->dev, "PHY_READY not ready\n");
>> + return -ETIMEDOUT;
>> + }
>> +
>> + writel(0x3f, layout->dp_tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
>> + writel(0x10, layout->dp_tx + QSERDES_V3_TX_HIGHZ_DRVR_EN);
>> + writel(0x0a, layout->dp_tx + QSERDES_V3_TX_TX_POL_INV);
>> + writel(0x3f, layout->dp_tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
>> + writel(0x10, layout->dp_tx2 + QSERDES_V3_TX_HIGHZ_DRVR_EN);
>> + writel(0x0a, layout->dp_tx2 + QSERDES_V3_TX_TX_POL_INV);
>> +
>> + writel(0x18, layout->dp_phy + QSERDES_DP_PHY_CFG);
>> + writel(0x19, layout->dp_phy + QSERDES_DP_PHY_CFG);
>> +
>> + if (readl_poll_timeout(layout->dp_phy + QSERDES_V3_DP_PHY_STATUS,
>> + status,
>> + ((status & BIT(1)) > 0),
>> + 500,
>> + 10000)){
>> + dev_err(qmp->dev, "PHY_READY not ready\n");
>> + return -ETIMEDOUT;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int qcs615_qmp_calibrate_dp_phy(struct qmp_usbc *qmp)
>> +{
>> + static const u8 cfg1_settings[] = {0x13, 0x23, 0x1d};
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + u8 val;
>> +
>> + layout->dp_aux_cfg++;
>> + layout->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
>> + val = cfg1_settings[layout->dp_aux_cfg];
>> +
>> + writel(val, layout->dp_phy + QSERDES_DP_PHY_AUX_CFG1);
>> +
>> + qmp_usbc_check_dp_phy(qmp, "pos_calibrate");
>> +
>> + return 0;
>> +}
>> +
>> +static int qmp_usbc_com_init(struct phy *phy)
>> {
>> struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> - void __iomem *pcs = qmp->pcs;
>> + int num_vregs;
>> u32 val = 0;
>> int ret;
>> + unsigned int reg_pwr_dn;
>>
>> - ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>> + struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> +
>> + num_vregs = cfg->num_vregs;
>> + reg_pwr_dn = cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL];
>> + } else {
>> + struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> +
>> + num_vregs = cfg->num_vregs;
>> + }
>> +
>> + ret = regulator_bulk_enable(num_vregs, qmp->vregs);
>> if (ret) {
>> dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);
>> return ret;
>> @@ -484,73 +893,85 @@ static int qmp_usbc_init(struct phy *phy)
>> if (ret)
>> goto err_assert_reset;
>>
>> - qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN);
>> -
>> -#define SW_PORTSELECT_VAL BIT(0)
>> -#define SW_PORTSELECT_MUX BIT(1)
>> /* Use software based port select and switch on typec orientation */
>> val = SW_PORTSELECT_MUX;
>> if (qmp->orientation == TYPEC_ORIENTATION_REVERSE)
>> val |= SW_PORTSELECT_VAL;
>> - writel(val, qmp->pcs_misc);
>> +
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>
> Why?
>
On QCS615 ADP AIR platform, Type-C DP orientation is fixed in one direction due to connected to the external video-out expansion board through the expansion slot.
Therefore, we cannot validate DP orientation behaviour.
As a result, the orientation part remains consistent with the original implementation of the USB-C driver and only applies to USB devices.
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> +
>> + qphy_setbits(layout->pcs, reg_pwr_dn, SW_PWRDN);
>> + writel(val, layout->pcs_misc);
>> + }
>>
>> return 0;
>>
>> err_assert_reset:
>> reset_control_bulk_assert(qmp->num_resets, qmp->resets);
>> err_disable_regulators:
>> - regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
>> + regulator_bulk_disable(num_vregs, qmp->vregs);
>>
>> return ret;
>> }
>>
>> -static int qmp_usbc_exit(struct phy *phy)
>> +static int qmp_usbc_com_exit(struct phy *phy)
>> {
>> struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> + int num_vregs;
>>
>> reset_control_bulk_assert(qmp->num_resets, qmp->resets);
>>
>> clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks);
>>
>> - regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>> + struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> +
>> + num_vregs = cfg->num_vregs;
>> + } else {
>> + struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> +
>> + num_vregs = cfg->num_vregs;
>> + }
>> + regulator_bulk_disable(num_vregs, qmp->vregs);
>>
>> return 0;
>> }
>>
>> -static int qmp_usbc_power_on(struct phy *phy)
>> +static int qmp_usbc_usb_power_on(struct phy *phy)
>> {
>> struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> + const struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> void __iomem *status;
>> unsigned int val;
>> int ret;
>>
>> - qmp_configure(qmp->dev, qmp->serdes, cfg->serdes_tbl,
>> + qmp_configure(qmp->dev, layout->serdes, cfg->serdes_tbl,
>> cfg->serdes_tbl_num);
>>
>> - ret = clk_prepare_enable(qmp->pipe_clk);
>> + ret = clk_prepare_enable(layout->pipe_clk);
>> if (ret) {
>> dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
>> return ret;
>> }
>>
>> /* Tx, Rx, and PCS configurations */
>> - qmp_configure_lane(qmp->dev, qmp->tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);
>> - qmp_configure_lane(qmp->dev, qmp->rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);
>> + qmp_configure_lane(qmp->dev, layout->tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);
>> + qmp_configure_lane(qmp->dev, layout->rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);
>>
>> - qmp_configure_lane(qmp->dev, qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
>> - qmp_configure_lane(qmp->dev, qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
>> + qmp_configure_lane(qmp->dev, layout->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
>> + qmp_configure_lane(qmp->dev, layout->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
>>
>> - qmp_configure(qmp->dev, qmp->pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
>> + qmp_configure(qmp->dev, layout->pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
>>
>> /* Pull PHY out of reset state */
>> - qphy_clrbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>> + qphy_clrbits(layout->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>>
>> /* start SerDes and Phy-Coding-Sublayer */
>> - qphy_setbits(qmp->pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START);
>> + qphy_setbits(layout->pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START);
>>
>> - status = qmp->pcs + cfg->regs[QPHY_PCS_STATUS];
>> + status = layout->pcs + cfg->regs[QPHY_PCS_STATUS];
>> ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 200,
>> PHY_INIT_COMPLETE_TIMEOUT);
>> if (ret) {
>> @@ -561,92 +982,348 @@ static int qmp_usbc_power_on(struct phy *phy)
>> return 0;
>>
>> err_disable_pipe_clk:
>> - clk_disable_unprepare(qmp->pipe_clk);
>> + clk_disable_unprepare(layout->pipe_clk);
>>
>> return ret;
>> }
>>
>> -static int qmp_usbc_power_off(struct phy *phy)
>> +static int qmp_usbc_usb_power_off(struct phy *phy)
>> {
>> struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> + const struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>>
>> - clk_disable_unprepare(qmp->pipe_clk);
>> + clk_disable_unprepare(layout->pipe_clk);
>>
>> /* PHY reset */
>> - qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>> + qphy_setbits(layout->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>>
>> /* stop SerDes and Phy-Coding-Sublayer */
>> - qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL],
>> + qphy_clrbits(layout->pcs, cfg->regs[QPHY_START_CTRL],
>> SERDES_START | PCS_START);
>>
>> /* Put PHY into POWER DOWN state: active low */
>> - qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
>> + qphy_clrbits(layout->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
>> SW_PWRDN);
>>
>> return 0;
>> }
>>
>> -static int qmp_usbc_enable(struct phy *phy)
>> +static int qmp_usbc_usb_enable(struct phy *phy)
>> {
>> struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> int ret;
>>
>> mutex_lock(&qmp->phy_mutex);
>>
>> - ret = qmp_usbc_init(phy);
>> + ret = qmp_usbc_com_init(phy);
>> if (ret)
>> goto out_unlock;
>>
>> - ret = qmp_usbc_power_on(phy);
>> + ret = qmp_usbc_usb_power_on(phy);
>> if (ret) {
>> - qmp_usbc_exit(phy);
>> + qmp_usbc_com_exit(phy);
>> goto out_unlock;
>> }
>>
>> - qmp->usb_init_count++;
>> + qmp->init_count++;
>> out_unlock:
>> mutex_unlock(&qmp->phy_mutex);
>>
>> return ret;
>> }
>>
>> -static int qmp_usbc_disable(struct phy *phy)
>> +static int qmp_usbc_usb_disable(struct phy *phy)
>> {
>> struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> int ret;
>>
>> - qmp->usb_init_count--;
>> - ret = qmp_usbc_power_off(phy);
>> + qmp->init_count--;
>> + ret = qmp_usbc_usb_power_off(phy);
>> if (ret)
>> return ret;
>> - return qmp_usbc_exit(phy);
>> + return qmp_usbc_com_exit(phy);
>> +}
>> +
>> +static int qmp_usbc_usb_set_mode(struct phy *phy, enum phy_mode mode, int submode)
>> +{
>> + struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> +
>> + layout->mode = mode;
>> +
>> + return 0;
>> +}
>> +
>> +static int qmp_usbc_dp_init(struct phy *phy)
>> +{
>> + struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> + const struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> + int ret;
>> +
>> + if (qmp->init_count) {
>> + dev_err(qmp->dev, "type(%d) inited(%d)\n", qmp->type, qmp->init_count);
>> + return 0;
>> + }
>> +
>> + mutex_lock(&qmp->phy_mutex);
>> +
>> + ret = qmp_usbc_com_init(phy);
>> + if (ret) {
>> + dev_err(qmp->dev, "type(%d) com_init fail\n", qmp->type);
>> + goto dp_init_unlock;
>> + }
>> +
>> + cfg->dp_aux_init(qmp);
>> +
>> + qmp->init_count++;
>> +
>> +dp_init_unlock:
>> + mutex_unlock(&qmp->phy_mutex);
>> + return ret;
>> +}
>> +
>> +static int qmp_usbc_dp_exit(struct phy *phy)
>> +{
>> + struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> +
>> + mutex_lock(&qmp->phy_mutex);
>> +
>> + qmp_usbc_com_exit(phy);
>> +
>> + qmp->init_count--;
>> +
>> + mutex_unlock(&qmp->phy_mutex);
>> +
>> + return 0;
>> +}
>> +
>> +static int qmp_usbc_dp_configure(struct phy *phy, union phy_configure_opts *opts)
>> +{
>> + const struct phy_configure_opts_dp *dp_opts = &opts->dp;
>> + struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> + struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + int ret;
>> +
>> + mutex_lock(&qmp->phy_mutex);
>> +
>> + memcpy(&layout->dp_opts, dp_opts, sizeof(*dp_opts));
>> + if (layout->dp_opts.set_voltages) {
>> + ret = cfg->configure_dp_voltages(qmp);
>> + if (ret) {
>> + dev_err(qmp->dev, "type(%d) err(%d)\n", qmp->type, ret);
>> + mutex_unlock(&qmp->phy_mutex);
>> + return ret;
>> + }
>> +
>> + layout->dp_opts.set_voltages = 0;
>> + }
>> +
>> + mutex_unlock(&qmp->phy_mutex);
>> +
>> + return 0;
>> +}
>> +
>> +static int qmp_usbc_dp_calibrate(struct phy *phy)
>> +{
>> + struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> + struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> + int ret = 0;
>> +
>> + mutex_lock(&qmp->phy_mutex);
>> +
>> + if (cfg->calibrate_dp_phy) {
>> + ret = cfg->calibrate_dp_phy(qmp);
>> + if (ret) {
>> + dev_err(qmp->dev, "type(%d) err(%d)\n", qmp->type, ret);
>> + mutex_unlock(&qmp->phy_mutex);
>> + return ret;
>> + }
>> + }
>> +
>> + mutex_unlock(&qmp->phy_mutex);
>> + return 0;
>> }
>>
>> -static int qmp_usbc_set_mode(struct phy *phy, enum phy_mode mode, int submode)
>> +static int qmp_usbc_configure_dp_clocks(struct qmp_usbc *qmp)
>> +{
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + const struct phy_configure_opts_dp *dp_opts = &layout->dp_opts;
>> + u32 phy_vco_div;
>> + unsigned long pixel_freq;
>> +
>> + 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, layout->dp_phy + QSERDES_DP_PHY_VCO_DIV);
>> +
>> + clk_set_rate(layout->dp_link_hw.clk, dp_opts->link_rate * 100000);
>> + clk_set_rate(layout->dp_pixel_hw.clk, pixel_freq);
>> +
>> + return 0;
>> +}
>> +
>> +static void qmp_usbc_check_dp_phy(struct qmp_usbc *qmp, const char *pos)
>> +{
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + u8 c_ready, cmn_status, phy_status;
>> +
>> + c_ready = readl(layout->dp_serdes + QSERDES_COM_C_READY_STATUS);
>> + cmn_status = readl(layout->dp_serdes + QSERDES_COM_CMN_STATUS);
>> + phy_status = readl(layout->dp_phy + QSERDES_V3_DP_PHY_STATUS);
>> +
>> + dev_dbg(qmp->dev, "pos(%s) c_ready(0x%x) cmn_status(0x%x) phy_status(0x%x)\n",
>> + pos, c_ready, cmn_status, phy_status);
>> +}
>> +
>> +static int qmp_usbc_dp_power_on(struct phy *phy)
>> +{
>> + struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> + const struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + const struct phy_configure_opts_dp *dp_opts = &layout->dp_opts;
>> + bool reverse = (qmp->orientation == TYPEC_ORIENTATION_REVERSE);
>> + void __iomem *tx = layout->dp_tx;
>> + void __iomem *tx2 = layout->dp_tx2;
>> + u8 lane_mode_1;
>> + int ret = 0;
>> +
>> + mutex_lock(&qmp->phy_mutex);
>> +
>> + writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
>> + DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN |
>> + DP_PHY_PD_CTL_PLL_PWRDN,
>> + layout->dp_phy + QSERDES_DP_PHY_PD_CTL);
>> +
>> + ret = cfg->configure_dp_serdes(qmp);
>> + if (ret) {
>> + dev_err(qmp->dev, "failed to config pll\n");
>> + goto power_on_unlock;
>> + }
>> +
>> + if (dp_opts->link_rate >= 2700)
>> + lane_mode_1 = 0xc4;
>> + else
>> + lane_mode_1 = 0xc6;
>> +
>> + writel(lane_mode_1, tx + QSERDES_V3_TX_LANE_MODE_1);
>> + writel(lane_mode_1, tx2 + QSERDES_V3_TX_LANE_MODE_1);
>> +
>> + if (reverse)
>> + writel(0xc9, layout->dp_phy + QSERDES_DP_PHY_MODE);
>> + else
>> + writel(0xd9, layout->dp_phy + QSERDES_DP_PHY_MODE);
>> +
>> + writel(0x05, layout->dp_phy + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL);
>> + writel(0x05, layout->dp_phy + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL);
>> +
>> + writel(0x1a, tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
>> + writel(0x40, tx + QSERDES_V3_TX_VMODE_CTRL1);
>> + writel(0x30, tx + QSERDES_V3_TX_PRE_STALL_LDO_BOOST_EN);
>> + writel(0x3d, tx + QSERDES_V3_TX_INTERFACE_SELECT);
>> + writel(0x0f, tx + QSERDES_V3_TX_CLKBUF_ENABLE);
>> + writel(0x03, tx + QSERDES_V3_TX_RESET_TSYNC_EN);
>> + writel(0x03, tx + QSERDES_V3_TX_TRAN_DRVR_EMP_EN);
>> + writel(0x00, tx + QSERDES_V3_TX_PARRATE_REC_DETECT_IDLE_EN);
>> + writel(0x00, tx + QSERDES_V3_TX_TX_INTERFACE_MODE);
>> + writel(0x2b, tx + QSERDES_V3_TX_TX_EMP_POST1_LVL);
>> + writel(0x2f, tx + QSERDES_V3_TX_TX_DRV_LVL);
>> + writel(0x04, tx + QSERDES_V3_TX_TX_BAND);
>> + writel(0x12, tx + QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX);
>> + writel(0x12, tx + QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX);
>> +
>> + writel(0x1a, tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
>> + writel(0x40, tx2 + QSERDES_V3_TX_VMODE_CTRL1);
>> + writel(0x30, tx2 + QSERDES_V3_TX_PRE_STALL_LDO_BOOST_EN);
>> + writel(0x3d, tx2 + QSERDES_V3_TX_INTERFACE_SELECT);
>> + writel(0x0f, tx2 + QSERDES_V3_TX_CLKBUF_ENABLE);
>> + writel(0x03, tx2 + QSERDES_V3_TX_RESET_TSYNC_EN);
>> + writel(0x03, tx2 + QSERDES_V3_TX_TRAN_DRVR_EMP_EN);
>> + writel(0x00, tx2 + QSERDES_V3_TX_PARRATE_REC_DETECT_IDLE_EN);
>> + writel(0x00, tx2 + QSERDES_V3_TX_TX_INTERFACE_MODE);
>> + writel(0x2b, tx2 + QSERDES_V3_TX_TX_EMP_POST1_LVL);
>> + writel(0x2f, tx2 + QSERDES_V3_TX_TX_DRV_LVL);
>> + writel(0x04, tx2 + QSERDES_V3_TX_TX_BAND);
>> + writel(0x12, tx2 + QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX);
>> + writel(0x12, tx2 + QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX);
>> +
>> + writel(0x02, layout->dp_serdes + QSERDES_COM_CMN_CONFIG);
>> + qmp_usbc_configure_dp_clocks(qmp);
>> +
>> + ret = cfg->configure_dp_phy(qmp);
>> + if (ret) {
>> + dev_err(qmp->dev, "failed to config dp phy\n");
>> + goto power_on_unlock;
>> + }
>> +
>> + qmp_usbc_check_dp_phy(qmp, "usbc_dp_power_on_finish");
>> +
>> +power_on_unlock:
>> + mutex_unlock(&qmp->phy_mutex);
>> +
>> + return ret;
>> +}
>> +
>> +static int qmp_usbc_dp_power_off(struct phy *phy)
>> {
>> struct qmp_usbc *qmp = phy_get_drvdata(phy);
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> +
>> + mutex_lock(&qmp->phy_mutex);
>>
>> - qmp->mode = mode;
>> + /* Assert DP PHY power down */
>> + writel(DP_PHY_PD_CTL_PSR_PWRDN, layout->dp_phy + QSERDES_DP_PHY_PD_CTL);
>> +
>> + mutex_unlock(&qmp->phy_mutex);
>>
>> return 0;
>> }
>>
>> -static const struct phy_ops qmp_usbc_phy_ops = {
>> - .init = qmp_usbc_enable,
>> - .exit = qmp_usbc_disable,
>> - .set_mode = qmp_usbc_set_mode,
>> +static const struct phy_ops qmp_usbc_usb_phy_ops = {
>> + .init = qmp_usbc_usb_enable,
>> + .exit = qmp_usbc_usb_disable,
>> + .set_mode = qmp_usbc_usb_set_mode,
>> + .owner = THIS_MODULE,
>> +};
>> +
>> +static const struct phy_ops qmp_usbc_dp_phy_ops = {
>> + .init = qmp_usbc_dp_init,
>> + .exit = qmp_usbc_dp_exit,
>> + .configure = qmp_usbc_dp_configure,
>> + .calibrate = qmp_usbc_dp_calibrate,
>> + .power_on = qmp_usbc_dp_power_on,
>> + .power_off = qmp_usbc_dp_power_off,
>> .owner = THIS_MODULE,
>> };
>>
>> static void qmp_usbc_enable_autonomous_mode(struct qmp_usbc *qmp)
>> {
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> - void __iomem *pcs = qmp->pcs;
>> + const struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> + void __iomem *pcs = layout->pcs;
>> u32 intr_mask;
>>
>> - if (qmp->mode == PHY_MODE_USB_HOST_SS ||
>> - qmp->mode == PHY_MODE_USB_DEVICE_SS)
>> + if (layout->mode == PHY_MODE_USB_HOST_SS ||
>> + layout->mode == PHY_MODE_USB_DEVICE_SS)
>> intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN;
>> else
>> intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL;
>> @@ -663,18 +1340,19 @@ static void qmp_usbc_enable_autonomous_mode(struct qmp_usbc *qmp)
>> qphy_setbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask);
>>
>> /* Enable i/o clamp_n for autonomous mode */
>> - if (qmp->tcsr_map && qmp->vls_clamp_reg)
>> - regmap_write(qmp->tcsr_map, qmp->vls_clamp_reg, 1);
>> + if (layout->tcsr_map && layout->vls_clamp_reg)
>> + regmap_write(layout->tcsr_map, layout->vls_clamp_reg, 1);
>> }
>>
>> static void qmp_usbc_disable_autonomous_mode(struct qmp_usbc *qmp)
>> {
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> - void __iomem *pcs = qmp->pcs;
>> + const struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> + void __iomem *pcs = layout->pcs;
>>
>> /* Disable i/o clamp_n on resume for normal mode */
>> - if (qmp->tcsr_map && qmp->vls_clamp_reg)
>> - regmap_write(qmp->tcsr_map, qmp->vls_clamp_reg, 0);
>> + if (layout->tcsr_map && layout->vls_clamp_reg)
>> + regmap_write(layout->tcsr_map, layout->vls_clamp_reg, 0);
>>
>> qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
>> ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN);
>> @@ -688,16 +1366,19 @@ static int __maybe_unused qmp_usbc_runtime_suspend(struct device *dev)
>> {
>> struct qmp_usbc *qmp = dev_get_drvdata(dev);
>>
>> - dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);
>> -
>> if (!qmp->phy->init_count) {
>> dev_vdbg(dev, "PHY not initialized, bailing out\n");
>> return 0;
>> }
>>
>> - qmp_usbc_enable_autonomous_mode(qmp);
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> +
>> + dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", layout->mode);
>> + qmp_usbc_enable_autonomous_mode(qmp);
>> + clk_disable_unprepare(layout->pipe_clk);
>> + }
>>
>> - clk_disable_unprepare(qmp->pipe_clk);
>> clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks);
>>
>> return 0;
>> @@ -708,8 +1389,6 @@ static int __maybe_unused qmp_usbc_runtime_resume(struct device *dev)
>> struct qmp_usbc *qmp = dev_get_drvdata(dev);
>> int ret = 0;
>>
>> - dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);
>> -
>> if (!qmp->phy->init_count) {
>> dev_vdbg(dev, "PHY not initialized, bailing out\n");
>> return 0;
>> @@ -719,14 +1398,19 @@ static int __maybe_unused qmp_usbc_runtime_resume(struct device *dev)
>> if (ret)
>> return ret;
>>
>> - ret = clk_prepare_enable(qmp->pipe_clk);
>> - if (ret) {
>> - dev_err(dev, "pipe_clk enable failed, err=%d\n", ret);
>> - clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks);
>> - return ret;
>> - }
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>>
>> - qmp_usbc_disable_autonomous_mode(qmp);
>> + dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", layout->mode);
>> + ret = clk_prepare_enable(layout->pipe_clk);
>> + if (ret) {
>> + dev_err(dev, "pipe_clk enable failed, err=%d\n", ret);
>> + clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks);
>> + return ret;
>> + }
>> +
>> + qmp_usbc_disable_autonomous_mode(qmp);
>> + }
>>
>> return 0;
>> }
>> @@ -738,19 +1422,54 @@ static const struct dev_pm_ops qmp_usbc_pm_ops = {
>>
>> static int qmp_usbc_vreg_init(struct qmp_usbc *qmp)
>> {
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> struct device *dev = qmp->dev;
>> - int num = cfg->num_vregs;
>> - int i;
>> + int ret, i;
>>
>> - qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
>> - if (!qmp->vregs)
>> - return -ENOMEM;
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>> + struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> + int num = cfg->num_vregs;
>>
>> - for (i = 0; i < num; i++)
>> - qmp->vregs[i].supply = cfg->vreg_list[i];
>> + qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
>> + if (!qmp->vregs)
>> + return -ENOMEM;
>> +
>> + for (i = 0; i < num; i++)
>> + qmp->vregs[i].supply = cfg->vreg_list[i];
>>
>> - return devm_regulator_bulk_get(dev, num, qmp->vregs);
>> + ret = devm_regulator_bulk_get(dev, num, qmp->vregs);
>> + if (ret) {
>> + dev_err(dev, "failed at devm_regulator_bulk_get\n");
>> + return ret;
>> + }
>> + } else {
>> + struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> + int num = cfg->num_vregs;
>> +
>> + qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
>> + if (!qmp->vregs)
>> + return -ENOMEM;
>> +
>> + for (i = 0; i < num; i++)
>> + qmp->vregs[i].supply = cfg->vreg_list[i].name;
>> +
>> + ret = devm_regulator_bulk_get(dev, num, qmp->vregs);
>> + if (ret) {
>> + dev_err(dev, "failed at devm_regulator_bulk_get\n");
>> + return ret;
>> + }
>> +
>> + for (i = 0; i < num; i++) {
>> + ret = regulator_set_load(qmp->vregs[i].consumer,
>> + cfg->vreg_list[i].enable_load);
>> + if (ret) {
>> + dev_err(dev, "failed to set load at %s\n",
>> + qmp->vregs[i].supply);
>> + return ret;
>> + }
>> + }
>> + }
>> +
>> + return 0;
>> }
>>
>> static int qmp_usbc_reset_init(struct qmp_usbc *qmp,
>> @@ -821,7 +1540,9 @@ static void phy_clk_release_provider(void *res)
>> */
>> static int phy_pipe_clk_register(struct qmp_usbc *qmp, struct device_node *np)
>> {
>> - struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed;
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> +
>> + struct clk_fixed_rate *fixed = &layout->pipe_clk_fixed;
>> struct clk_init_data init = { };
>> int ret;
>>
>> @@ -864,12 +1585,12 @@ static int qmp_usbc_typec_switch_set(struct typec_switch_dev *sw,
>> mutex_lock(&qmp->phy_mutex);
>> qmp->orientation = orientation;
>>
>> - if (qmp->usb_init_count) {
>> - qmp_usbc_power_off(qmp->phy);
>> - qmp_usbc_exit(qmp->phy);
>> + if (qmp->init_count) {
>> + qmp_usbc_usb_power_off(qmp->phy);
>> + qmp_usbc_com_exit(qmp->phy);
>>
>> - qmp_usbc_init(qmp->phy);
>> - qmp_usbc_power_on(qmp->phy);
>> + qmp_usbc_com_init(qmp->phy);
>> + qmp_usbc_usb_power_on(qmp->phy);
>> }
>>
>> mutex_unlock(&qmp->phy_mutex);
>> @@ -880,22 +1601,24 @@ static int qmp_usbc_typec_switch_set(struct typec_switch_dev *sw,
>> static void qmp_usbc_typec_unregister(void *data)
>> {
>> struct qmp_usbc *qmp = data;
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>>
>> - typec_switch_unregister(qmp->sw);
>> + typec_switch_unregister(layout->sw);
>> }
>>
>> static int qmp_usbc_typec_switch_register(struct qmp_usbc *qmp)
>> {
>> struct typec_switch_desc sw_desc = {};
>> struct device *dev = qmp->dev;
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>>
>> sw_desc.drvdata = qmp;
>> sw_desc.fwnode = dev->fwnode;
>> sw_desc.set = qmp_usbc_typec_switch_set;
>> - qmp->sw = typec_switch_register(dev, &sw_desc);
>> - if (IS_ERR(qmp->sw)) {
>> - dev_err(dev, "Unable to register typec switch: %pe\n", qmp->sw);
>> - return PTR_ERR(qmp->sw);
>> + layout->sw = typec_switch_register(dev, &sw_desc);
>> + if (IS_ERR(layout->sw)) {
>> + dev_err(dev, "Unable to register typec switch: %pe\n", layout->sw);
>> + return PTR_ERR(layout->sw);
>> }
>>
>> return devm_add_action_or_reset(dev, qmp_usbc_typec_unregister, qmp);
>> @@ -907,15 +1630,16 @@ static int qmp_usbc_typec_switch_register(struct qmp_usbc *qmp)
>> }
>> #endif
>>
>> -static int qmp_usbc_parse_dt_legacy(struct qmp_usbc *qmp, struct device_node *np)
>> +static int qmp_usbc_parse_usb_dt_legacy(struct qmp_usbc *qmp, struct device_node *np)
>> {
>> struct platform_device *pdev = to_platform_device(qmp->dev);
>> struct device *dev = qmp->dev;
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> int ret;
>>
>> - qmp->serdes = devm_platform_ioremap_resource(pdev, 0);
>> - if (IS_ERR(qmp->serdes))
>> - return PTR_ERR(qmp->serdes);
>> + layout->serdes = devm_platform_ioremap_resource(pdev, 0);
>> + if (IS_ERR(layout->serdes))
>> + return PTR_ERR(layout->serdes);
>>
>> /*
>> * Get memory resources for the PHY:
>> @@ -923,35 +1647,35 @@ static int qmp_usbc_parse_dt_legacy(struct qmp_usbc *qmp, struct device_node *np
>> * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5
>> * For single lane PHYs: pcs_misc (optional) -> 3.
>> */
>> - qmp->tx = devm_of_iomap(dev, np, 0, NULL);
>> - if (IS_ERR(qmp->tx))
>> - return PTR_ERR(qmp->tx);
>> + layout->tx = devm_of_iomap(dev, np, 0, NULL);
>> + if (IS_ERR(layout->tx))
>> + return PTR_ERR(layout->tx);
>>
>> - qmp->rx = devm_of_iomap(dev, np, 1, NULL);
>> - if (IS_ERR(qmp->rx))
>> - return PTR_ERR(qmp->rx);
>> + layout->rx = devm_of_iomap(dev, np, 1, NULL);
>> + if (IS_ERR(layout->rx))
>> + return PTR_ERR(layout->rx);
>>
>> - qmp->pcs = devm_of_iomap(dev, np, 2, NULL);
>> - if (IS_ERR(qmp->pcs))
>> - return PTR_ERR(qmp->pcs);
>> + layout->pcs = devm_of_iomap(dev, np, 2, NULL);
>> + if (IS_ERR(layout->pcs))
>> + return PTR_ERR(layout->pcs);
>>
>> - qmp->tx2 = devm_of_iomap(dev, np, 3, NULL);
>> - if (IS_ERR(qmp->tx2))
>> - return PTR_ERR(qmp->tx2);
>> + layout->tx2 = devm_of_iomap(dev, np, 3, NULL);
>> + if (IS_ERR(layout->tx2))
>> + return PTR_ERR(layout->tx2);
>>
>> - qmp->rx2 = devm_of_iomap(dev, np, 4, NULL);
>> - if (IS_ERR(qmp->rx2))
>> - return PTR_ERR(qmp->rx2);
>> + layout->rx2 = devm_of_iomap(dev, np, 4, NULL);
>> + if (IS_ERR(layout->rx2))
>> + return PTR_ERR(layout->rx2);
>>
>> - qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
>> - if (IS_ERR(qmp->pcs_misc)) {
>> + layout->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
>> + if (IS_ERR(layout->pcs_misc)) {
>> dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
>> - qmp->pcs_misc = NULL;
>> + layout->pcs_misc = NULL;
>> }
>>
>> - qmp->pipe_clk = devm_get_clk_from_child(dev, np, NULL);
>> - if (IS_ERR(qmp->pipe_clk)) {
>> - return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
>> + layout->pipe_clk = devm_get_clk_from_child(dev, np, NULL);
>> + if (IS_ERR(layout->pipe_clk)) {
>> + return dev_err_probe(dev, PTR_ERR(layout->pipe_clk),
>> "failed to get pipe clock\n");
>> }
>>
>> @@ -969,11 +1693,12 @@ static int qmp_usbc_parse_dt_legacy(struct qmp_usbc *qmp, struct device_node *np
>> return 0;
>> }
>>
>> -static int qmp_usbc_parse_dt(struct qmp_usbc *qmp)
>> +static int qmp_usbc_parse_usb_dt(struct qmp_usbc *qmp)
>> {
>> struct platform_device *pdev = to_platform_device(qmp->dev);
>> - const struct qmp_phy_cfg *cfg = qmp->cfg;
>> - const struct qmp_usbc_offsets *offs = cfg->offsets;
>> + const struct qmp_phy_usb_cfg *cfg = to_usb_cfg(qmp);
>> + const struct qmp_usbc_usb_offsets *offs = cfg->offsets;
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> struct device *dev = qmp->dev;
>> void __iomem *base;
>> int ret;
>> @@ -985,23 +1710,23 @@ static int qmp_usbc_parse_dt(struct qmp_usbc *qmp)
>> if (IS_ERR(base))
>> return PTR_ERR(base);
>>
>> - qmp->serdes = base + offs->serdes;
>> - qmp->pcs = base + offs->pcs;
>> + layout->serdes = base + offs->serdes;
>> + layout->pcs = base + offs->pcs;
>> if (offs->pcs_misc)
>> - qmp->pcs_misc = base + offs->pcs_misc;
>> - qmp->tx = base + offs->tx;
>> - qmp->rx = base + offs->rx;
>> + layout->pcs_misc = base + offs->pcs_misc;
>> + layout->tx = base + offs->tx;
>> + layout->rx = base + offs->rx;
>>
>> - qmp->tx2 = base + offs->tx2;
>> - qmp->rx2 = base + offs->rx2;
>> + layout->tx2 = base + offs->tx2;
>> + layout->rx2 = base + offs->rx2;
>>
>> ret = qmp_usbc_clk_init(qmp);
>> if (ret)
>> return ret;
>>
>> - qmp->pipe_clk = devm_clk_get(dev, "pipe");
>> - if (IS_ERR(qmp->pipe_clk)) {
>> - return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
>> + layout->pipe_clk = devm_clk_get(dev, "pipe");
>> + if (IS_ERR(layout->pipe_clk)) {
>> + return dev_err_probe(dev, PTR_ERR(layout->pipe_clk),
>> "failed to get pipe clock\n");
>> }
>>
>> @@ -1013,10 +1738,11 @@ static int qmp_usbc_parse_dt(struct qmp_usbc *qmp)
>> return 0;
>> }
>>
>> -static int qmp_usbc_parse_vls_clamp(struct qmp_usbc *qmp)
>> +static int qmp_usbc_parse_usb_vls_clamp(struct qmp_usbc *qmp)
>> {
>> struct of_phandle_args tcsr_args;
>> struct device *dev = qmp->dev;
>> + struct qmp_phy_usb_layout *layout = to_usb_layout(qmp);
>> int ret;
>>
>> /* for backwards compatibility ignore if there is no property */
>> @@ -1027,22 +1753,280 @@ static int qmp_usbc_parse_vls_clamp(struct qmp_usbc *qmp)
>> else if (ret < 0)
>> return dev_err_probe(dev, ret, "Failed to parse qcom,tcsr-reg\n");
>>
>> - qmp->tcsr_map = syscon_node_to_regmap(tcsr_args.np);
>> + layout->tcsr_map = syscon_node_to_regmap(tcsr_args.np);
>> of_node_put(tcsr_args.np);
>> - if (IS_ERR(qmp->tcsr_map))
>> - return PTR_ERR(qmp->tcsr_map);
>> + if (IS_ERR(layout->tcsr_map))
>> + return PTR_ERR(layout->tcsr_map);
>>
>> - qmp->vls_clamp_reg = tcsr_args.args[0];
>> + layout->vls_clamp_reg = tcsr_args.args[0];
>>
>> return 0;
>> }
>>
>> +static int qmp_usbc_parse_dp_phy_mode(struct qmp_usbc *qmp)
>> +{
>> + struct of_phandle_args tcsr_args;
>> + struct device *dev = qmp->dev;
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + int ret;
>> +
>> + /* for backwards compatibility ignore if there is no property */
>> + ret = of_parse_phandle_with_fixed_args(dev->of_node, "qcom,tcsr-reg", 1, 0,
>> + &tcsr_args);
>> + if (ret < 0)
>> + return dev_err_probe(dev, ret, "Failed to parse qcom,tcsr-reg\n");
>> +
>> + layout->tcsr_map = syscon_node_to_regmap(tcsr_args.np);
>> + of_node_put(tcsr_args.np);
>> + if (IS_ERR(layout->tcsr_map))
>> + return PTR_ERR(layout->tcsr_map);
>> +
>> + layout->dp_phy_mode = tcsr_args.args[0];
>> +
>> + return 0;
>> +}
>> +
>> +static int qmp_usbc_parse_dp_dt(struct qmp_usbc *qmp)
>> +{
>> + struct platform_device *pdev = to_platform_device(qmp->dev);
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> + struct qmp_phy_dp_cfg *cfg = to_dp_cfg(qmp);
>> + const struct qmp_usbc_dp_offsets *offs = cfg->offsets;
>> + struct device *dev = qmp->dev;
>> + void __iomem *base;
>> + int ret;
>> +
>> + base = devm_platform_ioremap_resource(pdev, 0);
>> + if (IS_ERR(base)) {
>> + dev_err(dev, "get resource fail, ret:%d\n", ret);
>> + return PTR_ERR(base);
>> + }
>> +
>> + layout->dp_serdes = base + offs->dp_serdes;
>> + layout->dp_tx = base + offs->dp_txa;
>> + layout->dp_tx2 = base + offs->dp_txb;
>> + layout->dp_phy = base + offs->dp_phy;
>> +
>> + ret = qmp_usbc_clk_init(qmp);
>> + if (ret) {
>> + dev_err(dev, "clk init fail, ret:%d\n", ret);
>> + return ret;
>> + }
>> +
>> + ret = qmp_usbc_reset_init(qmp, dp_usb3phy_reset_l,
>> + ARRAY_SIZE(dp_usb3phy_reset_l));
>> + if (ret)
>> + return ret;
>> +
>> + return 0;
>> +}
>> +
>> +/*
>> + * Display Port PLL driver block diagram for branch clocks
>> + *
>> + * +------------------------------+
>> + * | DP_VCO_CLK |
>> + * | |
>> + * | +-------------------+ |
>> + * | | (DP PLL/VCO) | |
>> + * | +---------+---------+ |
>> + * | v |
>> + * | +----------+-----------+ |
>> + * | | hsclk_divsel_clk_src | |
>> + * | +----------+-----------+ |
>> + * +------------------------------+
>> + * |
>> + * +---------<---------v------------>----------+
>> + * | |
>> + * +--------v----------------+ |
>> + * | dp_phy_pll_link_clk | |
>> + * | link_clk | |
>> + * +--------+----------------+ |
>> + * | |
>> + * | |
>> + * v v
>> + * Input to DISPCC block |
>> + * for link clk, crypto clk |
>> + * and interface clock |
>> + * |
>> + * |
>> + * +--------<------------+-----------------+---<---+
>> + * | | |
>> + * +----v---------+ +--------v-----+ +--------v------+
>> + * | vco_divided | | vco_divided | | vco_divided |
>> + * | _clk_src | | _clk_src | | _clk_src |
>> + * | | | | | |
>> + * |divsel_six | | divsel_two | | divsel_four |
>> + * +-------+------+ +-----+--------+ +--------+------+
>> + * | | |
>> + * v---->----------v-------------<------v
>> + * |
>> + * +----------+-----------------+
>> + * | dp_phy_pll_vco_div_clk |
>> + * +---------+------------------+
>> + * |
>> + * v
>> + * Input to DISPCC block
>> + * for DP pixel clock
>> + *
>> + */
>> +static int qmp_dp_pixel_clk_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
>> +{
>> + switch (req->rate) {
>> + case 1620000000UL / 2:
>> + case 2700000000UL / 2:
>> + /* 5.4 and 8.1 GHz are same link rate as 2.7GHz, i.e. div 4 and div 6 */
>> + return 0;
>> + default:
>> + return -EINVAL;
>> + }
>> +}
>> +
>> +static unsigned long qmp_dp_pixel_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
>> +{
>> + // const struct qmp_usbc *qmp;
>> + struct qmp_phy_dp_layout *layout;
>> + const struct phy_configure_opts_dp *dp_opts;
>> +
>> + layout = container_of(hw, struct qmp_phy_dp_layout, dp_pixel_hw);
>> +
>> + dp_opts = &layout->dp_opts;
>> +
>> + switch (dp_opts->link_rate) {
>> + case 1620:
>> + return 1620000000UL / 2;
>> + case 2700:
>> + return 2700000000UL / 2;
>> + case 5400:
>> + return 5400000000UL / 4;
>> + case 8100:
>> + return 8100000000UL / 6;
>> + default:
>> + return 0;
>> + }
>> +}
>> +
>> +static const struct clk_ops qmp_dp_pixel_clk_ops = {
>> + .determine_rate = qmp_dp_pixel_clk_determine_rate,
>> + .recalc_rate = qmp_dp_pixel_clk_recalc_rate,
>> +};
>> +
>> +static int qmp_dp_link_clk_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
>> +{
>> + switch (req->rate) {
>> + case 162000000:
>> + case 270000000:
>> + case 540000000:
>> + case 810000000:
>> + return 0;
>> + default:
>> + return -EINVAL;
>> + }
>> +}
>> +
>> +static unsigned long qmp_dp_link_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
>> +{
>> + // const struct qmp_combo *qmp;
>> + struct qmp_phy_dp_layout *layout;
>> + const struct phy_configure_opts_dp *dp_opts;
>> +
>> + layout = container_of(hw, struct qmp_phy_dp_layout, dp_link_hw);
>> + dp_opts = &layout->dp_opts;
>> +
>> + switch (dp_opts->link_rate) {
>> + case 1620:
>> + case 2700:
>> + case 5400:
>> + case 8100:
>> + return dp_opts->link_rate * 100000;
>> + default:
>> + return 0;
>> + }
>> +}
>> +
>> +static const struct clk_ops qmp_dp_link_clk_ops = {
>> + .determine_rate = qmp_dp_link_clk_determine_rate,
>> + .recalc_rate = qmp_dp_link_clk_recalc_rate,
>> +};
>> +
>> +static int phy_dp_clks_register(struct qmp_usbc *qmp, struct device_node *np)
>> +{
>> + struct clk_init_data init = { };
>> + int ret = 0;
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> +
>> + ret = of_property_read_string_index(np, "clock-output-names", 0, &init.name);
>> + if (ret < 0) {
>> + dev_err(qmp->dev, "%pOFn: No link clock-output-names\n", np);
>> + return ret;
>> + }
>> +
>> + init.ops = &qmp_dp_link_clk_ops;
>> + layout->dp_link_hw.init = &init;
>> + ret = devm_clk_hw_register(qmp->dev, &layout->dp_link_hw);
>> + if (ret < 0) {
>> + dev_err(qmp->dev, "link clk reg fail ret=%d\n", ret);
>> + return ret;
>> + }
>> +
>> + ret = of_property_read_string_index(np, "clock-output-names", 1, &init.name);
>> + if (ret) {
>> + dev_err(qmp->dev, "%pOFn: No div clock-output-names\n", np);
>> + return ret;
>> + }
>> +
>> + init.ops = &qmp_dp_pixel_clk_ops;
>> + layout->dp_pixel_hw.init = &init;
>> + ret = devm_clk_hw_register(qmp->dev, &layout->dp_pixel_hw);
>> + if (ret) {
>> + dev_err(qmp->dev, "pxl clk reg fail ret=%d\n", ret);
>> + return ret;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static struct clk_hw *qmp_dp_clks_hw_get(struct of_phandle_args *clkspec, void *data)
>> +{
>> + struct qmp_usbc *qmp = data;
>> + struct qmp_phy_dp_layout *layout = to_dp_layout(qmp);
>> +
>> + switch (clkspec->args[0]) {
>> + case QMP_USB43DP_DP_LINK_CLK:
>> + return &layout->dp_link_hw;
>> + case QMP_USB43DP_DP_VCO_DIV_CLK:
>> + return &layout->dp_pixel_hw;
>> + }
>> +
>> + return ERR_PTR(-EINVAL);
>> +}
>> +
>> +static int qmp_dp_register_clocks(struct qmp_usbc *qmp, struct device_node *dp_np)
>> +{
>> + int ret;
>> +
>> + ret = phy_dp_clks_register(qmp, dp_np);
>> + if (ret) {
>> + dev_err(qmp->dev, "dp clk reg fail ret:%d\n", ret);
>> + return ret;
>> + }
>> +
>> + ret = of_clk_add_hw_provider(dp_np, qmp_dp_clks_hw_get, qmp);
>> + if (ret) {
>> + dev_err(qmp->dev, "add provider fail ret:%d\n", ret);
>> + return ret;
>> + }
>> +
>> + return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, dp_np);
>> +}
>> +
>> static int qmp_usbc_probe(struct platform_device *pdev)
>> {
>> struct device *dev = &pdev->dev;
>> struct phy_provider *phy_provider;
>> struct device_node *np;
>> struct qmp_usbc *qmp;
>> + const struct dev_cfg *data_cfg;
>> int ret;
>>
>> qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);
>> @@ -1050,38 +2034,74 @@ static int qmp_usbc_probe(struct platform_device *pdev)
>> return -ENOMEM;
>>
>> qmp->dev = dev;
>> - dev_set_drvdata(dev, qmp);
>>
>> qmp->orientation = TYPEC_ORIENTATION_NORMAL;
>>
>> - qmp->cfg = of_device_get_match_data(dev);
>> - if (!qmp->cfg)
>> + qmp->init_count = 0;
>> +
>> + data_cfg = of_device_get_match_data(dev);
>> + if (!data_cfg) {
>> + dev_err(qmp->dev, "get data fail\n");
>> return -EINVAL;
>> + }
>>
>> mutex_init(&qmp->phy_mutex);
>>
>> - ret = qmp_usbc_vreg_init(qmp);
>> - if (ret)
>> - return ret;
>> + qmp->type = data_cfg->type;
>> + qmp->cfg = data_cfg->cfg;
>>
>> - ret = qmp_usbc_typec_switch_register(qmp);
>> - if (ret)
>> + ret = qmp_usbc_vreg_init(qmp);
>> + if (ret) {
>> + dev_err(qmp->dev, "qmp_type(%d) vreg init fail\n", qmp->type);
>> return ret;
>> + }
>>
>> - ret = qmp_usbc_parse_vls_clamp(qmp);
>> - if (ret)
>> - return ret;
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>> + qmp->layout = devm_kzalloc(dev, sizeof(struct qmp_phy_usb_layout), GFP_KERNEL);
>> + if (!qmp->layout)
>> + return -ENOMEM;
>> +
>> + ret = qmp_usbc_typec_switch_register(qmp);
>> + if (ret)
>> + return ret;
>> +
>> + ret = qmp_usbc_parse_usb_vls_clamp(qmp);
>> + if (ret)
>> + return ret;
>> +
>> + /* Check for legacy binding with child node. */
>> + np = of_get_child_by_name(dev->of_node, "phy");
>> + if (np) {
>> + ret = qmp_usbc_parse_usb_dt_legacy(qmp, np);
>> + } else {
>> + np = of_node_get(dev->of_node);
>> + ret = qmp_usbc_parse_usb_dt(qmp);
>> + }
>> + if (ret)
>> + goto err_node_put;
>> + } else if (qmp->type == QMP_PHY_USBC_DP) {
>> + qmp->layout = devm_kzalloc(dev, sizeof(struct qmp_phy_dp_layout), GFP_KERNEL);
>> + if (!qmp->layout)
>> + return -ENOMEM;
>>
>> - /* Check for legacy binding with child node. */
>> - np = of_get_child_by_name(dev->of_node, "phy");
>> - if (np) {
>> - ret = qmp_usbc_parse_dt_legacy(qmp, np);
>> - } else {
>> np = of_node_get(dev->of_node);
>> - ret = qmp_usbc_parse_dt(qmp);
>> - }
>> - if (ret)
>> + ret = qmp_usbc_parse_dp_phy_mode(qmp);
>> + if (ret)
>> + goto err_node_put;
>> +
>> + ret = qmp_usbc_parse_dp_dt(qmp);
>> + if (ret)
>> + goto err_node_put;
>> +
>> + ret = drm_aux_bridge_register(dev);
>> + if (ret) {
>> + dev_err(qmp->dev, "aux bridge reg fail ret=%d\n", ret);
>> + goto err_node_put;
>> + }
>> + } else {
>> + dev_err(dev, "invalid phy type: %d\n", qmp->type);
>> goto err_node_put;
>> + }
>>
>> pm_runtime_set_active(dev);
>> ret = devm_pm_runtime_enable(dev);
>> @@ -1093,19 +2113,33 @@ static int qmp_usbc_probe(struct platform_device *pdev)
>> */
>> pm_runtime_forbid(dev);
>>
>> - ret = phy_pipe_clk_register(qmp, np);
>> - if (ret)
>> - goto err_node_put;
>> -
>> - qmp->phy = devm_phy_create(dev, np, &qmp_usbc_phy_ops);
>> - if (IS_ERR(qmp->phy)) {
>> - ret = PTR_ERR(qmp->phy);
>> - dev_err(dev, "failed to create PHY: %d\n", ret);
>> - goto err_node_put;
>> + if (qmp->type == QMP_PHY_USBC_USB) {
>> + // pipe clk process
>> + ret = phy_pipe_clk_register(qmp, np);
>> + if (ret)
>> + goto err_node_put;
>> +
>> + qmp->phy = devm_phy_create(dev, np, &qmp_usbc_usb_phy_ops);
>> + if (IS_ERR(qmp->phy)) {
>> + ret = PTR_ERR(qmp->phy);
>> + dev_err(dev, "failed to create PHY: %d\n", ret);
>> + goto err_node_put;
>> + }
>> + } else {
>> + ret = qmp_dp_register_clocks(qmp, np);
>> + if (ret)
>> + goto err_node_put;
>> +
>> + qmp->phy = devm_phy_create(dev, np, &qmp_usbc_dp_phy_ops);
>> + if (IS_ERR(qmp->phy)) {
>> + ret = PTR_ERR(qmp->phy);
>> + dev_err(dev, "failed to create PHY: %d\n", ret);
>> + goto err_node_put;
>> + }
>> }
>>
>> phy_set_drvdata(qmp->phy, qmp);
>> -
>> + dev_set_drvdata(dev, qmp);
>> of_node_put(np);
>>
>> phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
>> @@ -1120,19 +2154,38 @@ static int qmp_usbc_probe(struct platform_device *pdev)
>> static const struct of_device_id qmp_usbc_of_match_table[] = {
>> {
>> .compatible = "qcom,msm8998-qmp-usb3-phy",
>> - .data = &msm8998_usb3phy_cfg,
>> + .data = &(struct dev_cfg) {
>> + .type = QMP_PHY_USBC_USB,
>> + .cfg = &msm8998_usb3phy_cfg,
>> + },
>> }, {
>> .compatible = "qcom,qcm2290-qmp-usb3-phy",
>> - .data = &qcm2290_usb3phy_cfg,
>> + .data = &(struct dev_cfg) {
>> + .type = QMP_PHY_USBC_USB,
>> + .cfg = &qcm2290_usb3phy_cfg,
>> + },
>> + }, {
>> + .compatible = "qcom,qcs615-qmp-dp-phy",
>> + .data = &(struct dev_cfg) {
>> + .type = QMP_PHY_USBC_DP,
>> + .cfg = &qcs615_dpphy_cfg,
>> + },
>> }, {
>> .compatible = "qcom,sdm660-qmp-usb3-phy",
>> - .data = &sdm660_usb3phy_cfg,
>> + .data = &(struct dev_cfg) {
>> + .type = QMP_PHY_USBC_USB,
>> + .cfg = &sdm660_usb3phy_cfg,
>> + },
>> }, {
>> .compatible = "qcom,sm6115-qmp-usb3-phy",
>> - .data = &qcm2290_usb3phy_cfg,
>> + .data = &(struct dev_cfg) {
>> + .type = QMP_PHY_USBC_USB,
>> + .cfg = &qcm2290_usb3phy_cfg,
>> + },
>> },
>> { },
>> };
>> +
>> MODULE_DEVICE_TABLE(of, qmp_usbc_of_match_table);
>>
>> static struct platform_driver qmp_usbc_driver = {
>>
>> --
>> 2.25.1
>>
>
>
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