Message ID | 20241216031225.3746-5-damon.ding@rock-chips.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | Add eDP support for RK3588 | expand |
On Mon, Dec 16, 2024 at 11:12:18AM +0800, Damon Ding wrote: > Add basic support for RBR/HBR/HBR2 link rates, and the voltage swing and > pre-emphasis configurations of each link rate have been verified according > to the eDP 1.3 requirements. > > Signed-off-by: Damon Ding <damon.ding@rock-chips.com> > > --- > > Changes in v2: > - Add the module author > --- > .../phy/rockchip/phy-rockchip-samsung-hdptx.c | 937 +++++++++++++++++- > 1 file changed, 894 insertions(+), 43 deletions(-) > > diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c > index 9f084697dd05..8dd0de267d10 100644 > --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c > +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c > @@ -25,6 +25,7 @@ > #define HDPTX_I_PLL_EN BIT(7) > #define HDPTX_I_BIAS_EN BIT(6) > #define HDPTX_I_BGR_EN BIT(5) > +#define HDPTX_MODE_SEL BIT(0) > #define GRF_HDPTX_STATUS 0x80 > #define HDPTX_O_PLL_LOCK_DONE BIT(3) > #define HDPTX_O_PHY_CLK_RDY BIT(2) > @@ -44,6 +45,7 @@ > #define LANE_REG(n) HDTPX_REG(n, 0300, 062d) > > /* CMN_REG(0008) */ > +#define OVRD_LCPLL_EN_MASK BIT(7) > #define LCPLL_EN_MASK BIT(6) > #define LCPLL_LCVCO_MODE_EN_MASK BIT(4) > /* CMN_REG(001e) */ > @@ -61,49 +63,110 @@ > /* CMN_REG(002f) */ > #define LCPLL_SDC_DENOMINATOR_MASK GENMASK(7, 2) > #define LCPLL_SDC_NDIV_RSTN BIT(0) > +/* CMN_REG(003c) */ > +#define ANA_LCPLL_RESERVED7_MASK BIT(7) > /* CMN_REG(003d) */ > +#define OVRD_ROPLL_EN_MASK BIT(7) > +#define ROPLL_EN_MASK BIT(6) > #define ROPLL_LCVCO_EN BIT(4) > +/* CMN_REG(0046) */ > +#define ROPLL_ANA_CPP_CTRL_COARSE_MASK GENMASK(7, 4) > +#define ROPLL_ANA_CPP_CTRL_FINE_MASK GENMASK(3, 0) > +/* CMN_REG(0047) */ > +#define ROPLL_ANA_LPF_C_SEL_COARSE_MASK GENMASK(5, 3) > +#define ROPLL_ANA_LPF_C_SEL_FINE_MASK GENMASK(2, 0) > /* CMN_REG(004e) */ > #define ROPLL_PI_EN BIT(5) > +/* CMN_REG(0051) */ > +#define ROPLL_PMS_MDIV_MASK GENMASK(7, 0) > +/* CMN_REG(0055) */ > +#define ROPLL_PMS_MDIV_AFC_MASK GENMASK(7, 0) > +/* CMN_REG(0059) */ > +#define ANA_ROPLL_PMS_PDIV_MASK GENMASK(7, 4) > +#define ANA_ROPLL_PMS_REFDIV_MASK GENMASK(3, 0) > +/* CMN_REG(005a) */ > +#define ROPLL_PMS_SDIV_RBR_MASK GENMASK(7, 4) > +#define ROPLL_PMS_SDIV_HBR_MASK GENMASK(3, 0) > +/* CMN_REG(005b) */ > +#define ROPLL_PMS_SDIV_HBR2_MASK GENMASK(7, 4) > /* CMN_REG(005c) */ > #define ROPLL_PMS_IQDIV_RSTN BIT(5) > /* CMN_REG(005e) */ > #define ROPLL_SDM_EN_MASK BIT(6) > -#define ROPLL_SDM_FRAC_EN_RBR BIT(3) > -#define ROPLL_SDM_FRAC_EN_HBR BIT(2) > -#define ROPLL_SDM_FRAC_EN_HBR2 BIT(1) > -#define ROPLL_SDM_FRAC_EN_HBR3 BIT(0) You have mixed the redefinition of existing bitfields with addition of new ones. Please split them into separate patches: one for each of corrections (be sure to specify Fixes tag as required), one for generic renaming and one for the new platform and new registers / new bitfields) > +#define OVRD_ROPLL_SDM_RSTN_MASK BIT(5) > +#define ROPLL_SDM_RSTN_MASK BIT(4) > +#define ROPLL_SDC_FRAC_EN_RBR_MASK BIT(3) > +#define ROPLL_SDC_FRAC_EN_HBR_MASK BIT(2) > +#define ROPLL_SDC_FRAC_EN_HBR2_MASK BIT(1) > +/* CMN_REG(005f) */ > +#define OVRD_ROPLL_SDC_RSTN_MASK BIT(5) > +#define ROPLL_SDC_RSTN_MASK BIT(4) > +/* CMN_REG(0060) */ > +#define ROPLL_SDM_DENOMINATOR_MASK GENMASK(7, 0) > /* CMN_REG(0064) */ > #define ROPLL_SDM_NUM_SIGN_RBR_MASK BIT(3) > +#define ROPLL_SDM_NUM_SIGN_HBR_MASK BIT(2) > +#define ROPLL_SDM_NUM_SIGN_HBR2_MASK BIT(1) > +/* CMN_REG(0065) */ > +#define ROPLL_SDM_NUM_MASK GENMASK(7, 0) > /* CMN_REG(0069) */ > #define ROPLL_SDC_N_RBR_MASK GENMASK(2, 0) > +/* CMN_REG(006a) */ > +#define ROPLL_SDC_N_HBR_MASK GENMASK(5, 3) > +#define ROPLL_SDC_N_HBR2_MASK GENMASK(2, 0) > +/* CMN_REG(006b) */ > +#define ROPLL_SDC_N_HBR3_MASK GENMASK(3, 1) > +/* CMN_REG(006c) */ > +#define ROPLL_SDC_NUM_MASK GENMASK(5, 0) > +/* cmn_reg0070 */ > +#define ROPLL_SDC_DENO_MASK GENMASK(5, 0) > /* CMN_REG(0074) */ > -#define ROPLL_SDC_NDIV_RSTN BIT(2) > -#define ROPLL_SSC_EN BIT(0) > +#define OVRD_ROPLL_SDC_NDIV_RSTN_MASK BIT(3) > +#define ROPLL_SDC_NDIV_RSTN_MASK BIT(2) > +#define OVRD_ROPLL_SSC_EN_MASK BIT(1) > +#define ROPLL_SSC_EN_MASK BIT(0) > +/* CMN_REG(0075) */ > +#define ANA_ROPLL_SSC_FM_DEVIATION_MASK GENMASK(5, 0) > +/* CMN_REG(0076) */ > +#define ANA_ROPLL_SSC_FM_FREQ_MASK GENMASK(6, 2) > +/* CMN_REG(0077) */ > +#define ANA_ROPLL_SSC_CLK_DIV_SEL_MASK GENMASK(6, 3) > /* CMN_REG(0081) */ > -#define OVRD_PLL_CD_CLK_EN BIT(8) > -#define PLL_CD_HSCLK_EAST_EN BIT(0) > +#define ANA_PLL_CD_TX_SER_RATE_SEL_MASK BIT(3) > +#define ANA_PLL_CD_HSCLK_WEST_EN_MASK BIT(1) > +#define ANA_PLL_CD_HSCLK_EAST_EN_MASK BIT(0) > +/* CMN_REG(0082) */ > +#define ANA_PLL_CD_VREG_GAIN_CTRL_MASK GENMASK(3, 0) > +/* CMN_REG(0083) */ > +#define ANA_PLL_CD_VREG_ICTRL_MASK GENMASK(6, 5) > +/* CMN_REG(0084) */ > +#define PLL_LCRO_CLK_SEL_MASK BIT(5) > +/* CMN_REG(0085) */ > +#define ANA_PLL_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0) > /* CMN_REG(0086) */ > #define PLL_PCG_POSTDIV_SEL_MASK GENMASK(7, 4) > #define PLL_PCG_CLK_SEL_MASK GENMASK(3, 1) > #define PLL_PCG_CLK_EN BIT(0) > /* CMN_REG(0087) */ > -#define PLL_FRL_MODE_EN BIT(3) > -#define PLL_TX_HS_CLK_EN BIT(2) > +#define ANA_PLL_FRL_MODE_EN_MASK BIT(3) > +#define ANA_PLL_TX_HS_CLK_EN_MASK BIT(2) > /* CMN_REG(0089) */ > #define LCPLL_ALONE_MODE BIT(1) > +/* CMN_REG(0095) */ > +#define DP_TX_LINK_BW_MASK GENMASK(1, 0) > /* CMN_REG(0097) */ > -#define DIG_CLK_SEL BIT(1) > -#define ROPLL_REF BIT(1) > -#define LCPLL_REF 0 > +#define DIG_CLK_SEL_MASK BIT(1) > +#define LCPLL_REF BIT(1) > +#define ROPLL_REF 0 > /* CMN_REG(0099) */ > +#define SSC_EN_MASK GENMASK(7, 6) > #define CMN_ROPLL_ALONE_MODE BIT(2) > #define ROPLL_ALONE_MODE BIT(2) > /* CMN_REG(009a) */ > -#define HS_SPEED_SEL BIT(0) > +#define HS_SPEED_SEL_MASK BIT(0) > #define DIV_10_CLOCK BIT(0) > /* CMN_REG(009b) */ > -#define IS_SPEED_SEL BIT(4) > +#define LS_SPEED_SEL_MASK BIT(4) > #define LINK_SYMBOL_CLOCK BIT(4) > #define LINK_SYMBOL_CLOCK1_2 0 > > @@ -118,6 +181,8 @@ > /* SB_REG(0104) */ > #define OVRD_SB_EN_MASK BIT(5) > #define SB_EN_MASK BIT(4) > +#define OVRD_SB_AUX_EN_MASK BIT(1) > +#define SB_AUX_EN_MASK BIT(0) > /* SB_REG(0105) */ > #define OVRD_SB_EARC_CMDC_EN_MASK BIT(6) > #define SB_EARC_CMDC_EN_MASK BIT(5) > @@ -126,6 +191,8 @@ > #define ANA_SB_TX_LLVL_PROG_MASK GENMASK(6, 4) > /* SB_REG(0109) */ > #define ANA_SB_DMRX_AFC_DIV_RATIO_MASK GENMASK(2, 0) > +/* SB_REG(010d) */ > +#define ANA_SB_DMRX_LPBK_DATA_MASK BIT(4) > /* SB_REG(010f) */ > #define OVRD_SB_VREG_EN_MASK BIT(7) > #define SB_VREG_EN_MASK BIT(6) > @@ -133,6 +200,7 @@ > #define SB_VREG_LPF_BYPASS_MASK BIT(4) > #define ANA_SB_VREG_GAIN_CTRL_MASK GENMASK(3, 0) > /* SB_REG(0110) */ > +#define ANA_SB_VREG_OUT_SEL_MASK BIT(1) > #define ANA_SB_VREG_REF_SEL_MASK BIT(0) > /* SB_REG(0113) */ > #define SB_RX_RCAL_OPT_CODE_MASK GENMASK(5, 4) > @@ -147,13 +215,24 @@ > #define AFC_RSTN_DELAY_TIME_MASK GENMASK(6, 4) > /* SB_REG(0117) */ > #define FAST_PULSE_TIME_MASK GENMASK(3, 0) > +/* SB_REG(0118) */ > +#define SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK GENMASK(7, 0) > +/* SB_REG(011a) */ > +#define SB_TG_CNT_RUN_NO_7_0_MASK GENMASK(7, 0) > /* SB_REG(011b) */ > #define SB_EARC_SIG_DET_BYPASS_MASK BIT(4) > #define SB_AFC_TOL_MASK GENMASK(3, 0) > +/* SB_REG(011c) */ > +#define SB_AFC_STB_NUM_MASK GENMASK(3, 0) > +/* SB_REG(011d) */ > +#define SB_TG_OSC_CNT_MIN_MASK GENMASK(7, 0) > +/* SB_REG(011e) */ > +#define SB_TG_OSC_CNT_MAX_MASK GENMASK(7, 0) > /* SB_REG(011f) */ > #define SB_PWM_AFC_CTRL_MASK GENMASK(7, 2) > #define SB_RCAL_RSTN_MASK BIT(1) > /* SB_REG(0120) */ > +#define SB_AUX_EN_IN_MASK BIT(7) > #define SB_EARC_EN_MASK BIT(1) > #define SB_EARC_AFC_EN_MASK BIT(2) > /* SB_REG(0123) */ > @@ -165,35 +244,65 @@ > #define HDMI_MODE BIT(2) > #define HDMI_TMDS_FRL_SEL BIT(1) > /* LNTOP_REG(0206) */ > -#define DATA_BUS_SEL BIT(0) > +#define DATA_BUS_WIDTH_MASK GENMASK(2, 1) > +#define DATA_BUS_WIDTH_SEL_MASK BIT(0) > #define DATA_BUS_36_40 BIT(0) > /* LNTOP_REG(0207) */ > #define LANE_EN 0xf > #define ALL_LANE_EN 0xf > > -/* LANE_REG(0312) */ > -#define LN0_TX_SER_RATE_SEL_RBR BIT(5) > -#define LN0_TX_SER_RATE_SEL_HBR BIT(4) > -#define LN0_TX_SER_RATE_SEL_HBR2 BIT(3) > -#define LN0_TX_SER_RATE_SEL_HBR3 BIT(2) > -/* LANE_REG(0412) */ > -#define LN1_TX_SER_RATE_SEL_RBR BIT(5) > -#define LN1_TX_SER_RATE_SEL_HBR BIT(4) > -#define LN1_TX_SER_RATE_SEL_HBR2 BIT(3) > -#define LN1_TX_SER_RATE_SEL_HBR3 BIT(2) > -/* LANE_REG(0512) */ > -#define LN2_TX_SER_RATE_SEL_RBR BIT(5) > -#define LN2_TX_SER_RATE_SEL_HBR BIT(4) > -#define LN2_TX_SER_RATE_SEL_HBR2 BIT(3) > -#define LN2_TX_SER_RATE_SEL_HBR3 BIT(2) > -/* LANE_REG(0612) */ > -#define LN3_TX_SER_RATE_SEL_RBR BIT(5) > -#define LN3_TX_SER_RATE_SEL_HBR BIT(4) > -#define LN3_TX_SER_RATE_SEL_HBR2 BIT(3) > -#define LN3_TX_SER_RATE_SEL_HBR3 BIT(2) > +/* LANE_REG(0301) */ > +#define OVRD_LN_TX_DRV_EI_EN_MASK BIT(7) > +#define LN_TX_DRV_EI_EN_MASK BIT(6) > +/* LANE_REG(0303) */ > +#define OVRD_LN_TX_DRV_LVL_CTRL_MASK BIT(5) > +#define LN_TX_DRV_LVL_CTRL_MASK GENMASK(4, 0) > +/* LANE_REG(0304) */ > +#define OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK BIT(4) > +#define LN_TX_DRV_POST_LVL_CTRL_MASK GENMASK(3, 0) > +/* LANE_REG(0305) */ > +#define OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK BIT(6) > +#define LN_TX_DRV_PRE_LVL_CTRL_MASK GENMASK(5, 2) > +/* LANE_REG(0306) */ > +#define LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK GENMASK(7, 5) > +#define LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK GENMASK(4, 2) > +#define LN_ANA_TX_DRV_ACCDRV_EN_MASK BIT(0) > +/* LANE_REG(0307) */ > +#define LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK BIT(6) > +#define LN_ANA_TX_DRV_ACCDRV_CTRL_MASK GENMASK(5, 3) > +/* LANE_REG(030a) */ > +#define LN_ANA_TX_JEQ_EN_MASK BIT(4) > +#define LN_TX_JEQ_EVEN_CTRL_RBR_MASK GENMASK(3, 0) > +/* LANE_REG(030b) */ > +#define LN_TX_JEQ_EVEN_CTRL_HBR_MASK GENMASK(7, 4) > +#define LN_TX_JEQ_EVEN_CTRL_HBR2_MASK GENMASK(3, 0) > +/* LANE_REG(030c) */ > +#define LN_TX_JEQ_ODD_CTRL_RBR_MASK GENMASK(3, 0) > +/* LANE_REG(030d) */ > +#define LN_TX_JEQ_ODD_CTRL_HBR_MASK GENMASK(7, 4) > +#define LN_TX_JEQ_ODD_CTRL_HBR2_MASK GENMASK(3, 0) > +/* LANE_REG(0310) */ > +#define LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0) > +/* LANE_REG(0311) */ > +#define LN_TX_SER_40BIT_EN_RBR_MASK BIT(3) > +#define LN_TX_SER_40BIT_EN_HBR_MASK BIT(2) > +#define LN_TX_SER_40BIT_EN_HBR2_MASK BIT(1) > +/* LANE_REG(0316) */ > +#define LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK GENMASK(3, 0) > +/* LANE_REG(031B) */ > +#define LN_ANA_TX_RESERVED_MASK GENMASK(7, 0) > +/* LANE_REG(031e) */ > +#define LN_POLARITY_INV_MASK BIT(2) > +#define LN_LANE_MODE_MASK BIT(1) > > #define HDMI20_MAX_RATE 600000000 > > +enum dp_link_rate { > + DP_BW_RBR, > + DP_BW_HBR, > + DP_BW_HBR2, > +}; > + > struct lcpll_config { > u32 bit_rate; > u8 lcvco_mode_en; > @@ -255,6 +364,19 @@ struct ropll_config { > u8 cd_tx_ser_rate_sel; > }; > > +struct tx_drv_ctrl { > + u8 tx_drv_lvl_ctrl; > + u8 tx_drv_post_lvl_ctrl; > + u8 ana_tx_drv_idrv_idn_ctrl; > + u8 ana_tx_drv_idrv_iup_ctrl; > + u8 ana_tx_drv_accdrv_en; > + u8 ana_tx_drv_accdrv_ctrl; > + u8 tx_drv_pre_lvl_ctrl; > + u8 ana_tx_jeq_en; > + u8 tx_jeq_even_ctrl; > + u8 tx_jeq_odd_ctrl; > +}; > + > enum rk_hdptx_reset { > RST_PHY = 0, > RST_APB, > @@ -560,6 +682,90 @@ static const struct reg_sequence rk_hdtpx_tmds_lane_init_seq[] = { > REG_SEQ0(LANE_REG(0606), 0x1c), > }; > > +static struct tx_drv_ctrl tx_drv_ctrl_rbr[4][4] = { > + /* voltage swing 0, pre-emphasis 0->3 */ > + { > + { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0x4, 0x3, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0x7, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 1, pre-emphasis 0->2 */ > + { > + { 0x4, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0x9, 0x5, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 2, pre-emphasis 0->1 */ > + { > + { 0x8, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0xc, 0x5, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 3, pre-emphasis 0 */ > + { > + { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + } > +}; > + > +static struct tx_drv_ctrl tx_drv_ctrl_hbr[4][4] = { > + /* voltage swing 0, pre-emphasis 0->3 */ > + { > + { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0x9, 0x8, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 1, pre-emphasis 0->2 */ > + { > + { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0xa, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 2, pre-emphasis 0->1 */ > + { > + { 0x9, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0xd, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 3, pre-emphasis 0 */ > + { > + { 0xc, 0x1, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + } > +}; > + > +static struct tx_drv_ctrl tx_drv_ctrl_hbr2[4][4] = { > + /* voltage swing 0, pre-emphasis 0->3 */ > + { > + { 0x2, 0x1, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0x9, 0x8, 0x4, 0x6, 0x1, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 1, pre-emphasis 0->2 */ > + { > + { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0xb, 0x7, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, > + { 0xd, 0x9, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 2, pre-emphasis 0->1 */ > + { > + { 0x8, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + { 0xc, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, > + }, > + > + /* voltage swing 3, pre-emphasis 0 */ > + { > + { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, > + } > +}; > + > static bool rk_hdptx_phy_is_rw_reg(struct device *dev, unsigned int reg) > { > switch (reg) { > @@ -911,11 +1117,297 @@ static int rk_hdptx_phy_consumer_put(struct rk_hdptx_phy *hdptx, bool force) > return ret; > } > > +static void rk_hdptx_dp_reset(struct rk_hdptx_phy *hdptx) > +{ > + reset_control_assert(hdptx->rsts[RST_LANE].rstc); > + reset_control_assert(hdptx->rsts[RST_CMN].rstc); > + reset_control_assert(hdptx->rsts[RST_INIT].rstc); > + > + reset_control_assert(hdptx->rsts[RST_APB].rstc); > + udelay(10); > + reset_control_deassert(hdptx->rsts[RST_APB].rstc); > + > + regmap_update_bits(hdptx->regmap, LANE_REG(0301), > + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, > + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | > + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0401), > + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, > + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | > + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0501), > + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, > + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | > + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0601), > + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, > + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | > + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); > + > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x0)); > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x0)); > +} > + > +static void rk_hdptx_dp_pll_init(struct rk_hdptx_phy *hdptx) > +{ > + regmap_update_bits(hdptx->regmap, CMN_REG(003c), ANA_LCPLL_RESERVED7_MASK, > + FIELD_PREP(ANA_LCPLL_RESERVED7_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0046), > + ROPLL_ANA_CPP_CTRL_COARSE_MASK | ROPLL_ANA_CPP_CTRL_FINE_MASK, > + FIELD_PREP(ROPLL_ANA_CPP_CTRL_COARSE_MASK, 0xe) | > + FIELD_PREP(ROPLL_ANA_CPP_CTRL_FINE_MASK, 0xe)); > + regmap_update_bits(hdptx->regmap, CMN_REG(0047), > + ROPLL_ANA_LPF_C_SEL_COARSE_MASK | > + ROPLL_ANA_LPF_C_SEL_FINE_MASK, > + FIELD_PREP(ROPLL_ANA_LPF_C_SEL_COARSE_MASK, 0x4) | > + FIELD_PREP(ROPLL_ANA_LPF_C_SEL_FINE_MASK, 0x4)); > + > + regmap_write(hdptx->regmap, CMN_REG(0051), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x87)); > + regmap_write(hdptx->regmap, CMN_REG(0052), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71)); > + regmap_write(hdptx->regmap, CMN_REG(0053), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71)); > + > + regmap_write(hdptx->regmap, CMN_REG(0055), > + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x87)); > + regmap_write(hdptx->regmap, CMN_REG(0056), > + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71)); > + regmap_write(hdptx->regmap, CMN_REG(0057), > + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71)); > + > + regmap_write(hdptx->regmap, CMN_REG(0059), > + FIELD_PREP(ANA_ROPLL_PMS_PDIV_MASK, 0x1) | > + FIELD_PREP(ANA_ROPLL_PMS_REFDIV_MASK, 0x1)); > + regmap_write(hdptx->regmap, CMN_REG(005a), > + FIELD_PREP(ROPLL_PMS_SDIV_RBR_MASK, 0x3) | > + FIELD_PREP(ROPLL_PMS_SDIV_HBR_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(005b), ROPLL_PMS_SDIV_HBR2_MASK, > + FIELD_PREP(ROPLL_PMS_SDIV_HBR2_MASK, 0x0)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDM_EN_MASK, > + FIELD_PREP(ROPLL_SDM_EN_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(005e), > + OVRD_ROPLL_SDM_RSTN_MASK | ROPLL_SDM_RSTN_MASK, > + FIELD_PREP(OVRD_ROPLL_SDM_RSTN_MASK, 0x1) | > + FIELD_PREP(ROPLL_SDM_RSTN_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_RBR_MASK, > + FIELD_PREP(ROPLL_SDC_FRAC_EN_RBR_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR_MASK, > + FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR2_MASK, > + FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR2_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(005f), > + OVRD_ROPLL_SDC_RSTN_MASK | ROPLL_SDC_RSTN_MASK, > + FIELD_PREP(OVRD_ROPLL_SDC_RSTN_MASK, 0x1) | > + FIELD_PREP(ROPLL_SDC_RSTN_MASK, 0x1)); > + regmap_write(hdptx->regmap, CMN_REG(0060), > + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x21)); > + regmap_write(hdptx->regmap, CMN_REG(0061), > + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27)); > + regmap_write(hdptx->regmap, CMN_REG(0062), > + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0064), > + ROPLL_SDM_NUM_SIGN_RBR_MASK | > + ROPLL_SDM_NUM_SIGN_HBR_MASK | > + ROPLL_SDM_NUM_SIGN_HBR2_MASK, > + FIELD_PREP(ROPLL_SDM_NUM_SIGN_RBR_MASK, 0x0) | > + FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR_MASK, 0x1) | > + FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR2_MASK, 0x1)); > + regmap_write(hdptx->regmap, CMN_REG(0065), > + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0x0)); > + regmap_write(hdptx->regmap, CMN_REG(0066), > + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd)); > + regmap_write(hdptx->regmap, CMN_REG(0067), > + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0069), ROPLL_SDC_N_RBR_MASK, > + FIELD_PREP(ROPLL_SDC_N_RBR_MASK, 0x2)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(006a), > + ROPLL_SDC_N_HBR_MASK | ROPLL_SDC_N_HBR2_MASK, > + FIELD_PREP(ROPLL_SDC_N_HBR_MASK, 0x1) | > + FIELD_PREP(ROPLL_SDC_N_HBR2_MASK, 0x1)); > + > + regmap_write(hdptx->regmap, CMN_REG(006c), > + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x3)); > + regmap_write(hdptx->regmap, CMN_REG(006d), > + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7)); > + regmap_write(hdptx->regmap, CMN_REG(006e), > + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7)); > + > + regmap_write(hdptx->regmap, CMN_REG(0070), > + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x8)); > + regmap_write(hdptx->regmap, CMN_REG(0071), > + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18)); > + regmap_write(hdptx->regmap, CMN_REG(0072), > + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0074), > + OVRD_ROPLL_SDC_NDIV_RSTN_MASK | ROPLL_SDC_NDIV_RSTN_MASK, > + FIELD_PREP(OVRD_ROPLL_SDC_NDIV_RSTN_MASK, 0x1) | > + FIELD_PREP(ROPLL_SDC_NDIV_RSTN_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0077), ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, > + FIELD_PREP(ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0081), ANA_PLL_CD_TX_SER_RATE_SEL_MASK, > + FIELD_PREP(ANA_PLL_CD_TX_SER_RATE_SEL_MASK, 0x0)); > + regmap_update_bits(hdptx->regmap, CMN_REG(0081), > + ANA_PLL_CD_HSCLK_EAST_EN_MASK | ANA_PLL_CD_HSCLK_WEST_EN_MASK, > + FIELD_PREP(ANA_PLL_CD_HSCLK_EAST_EN_MASK, 0x1) | > + FIELD_PREP(ANA_PLL_CD_HSCLK_WEST_EN_MASK, 0x0)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0082), ANA_PLL_CD_VREG_GAIN_CTRL_MASK, > + FIELD_PREP(ANA_PLL_CD_VREG_GAIN_CTRL_MASK, 0x4)); > + regmap_update_bits(hdptx->regmap, CMN_REG(0083), ANA_PLL_CD_VREG_ICTRL_MASK, > + FIELD_PREP(ANA_PLL_CD_VREG_ICTRL_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(0084), PLL_LCRO_CLK_SEL_MASK, > + FIELD_PREP(PLL_LCRO_CLK_SEL_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(0085), ANA_PLL_SYNC_LOSS_DET_MODE_MASK, > + FIELD_PREP(ANA_PLL_SYNC_LOSS_DET_MODE_MASK, 0x3)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0087), ANA_PLL_TX_HS_CLK_EN_MASK, > + FIELD_PREP(ANA_PLL_TX_HS_CLK_EN_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0097), DIG_CLK_SEL_MASK, > + FIELD_PREP(DIG_CLK_SEL_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0099), CMN_ROPLL_ALONE_MODE, > + FIELD_PREP(CMN_ROPLL_ALONE_MODE, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(009a), HS_SPEED_SEL_MASK, > + FIELD_PREP(HS_SPEED_SEL_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, CMN_REG(009b), LS_SPEED_SEL_MASK, > + FIELD_PREP(LS_SPEED_SEL_MASK, 0x1)); > +} > + > +static int rk_hdptx_dp_aux_init(struct rk_hdptx_phy *hdptx) > +{ > + u32 status; > + int ret; > + > + regmap_update_bits(hdptx->regmap, SB_REG(0102), ANA_SB_RXTERM_OFFSP_MASK, > + FIELD_PREP(ANA_SB_RXTERM_OFFSP_MASK, 0x3)); > + regmap_update_bits(hdptx->regmap, SB_REG(0103), ANA_SB_RXTERM_OFFSN_MASK, > + FIELD_PREP(ANA_SB_RXTERM_OFFSN_MASK, 0x3)); > + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK, > + FIELD_PREP(SB_AUX_EN_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, SB_REG(0105), ANA_SB_TX_HLVL_PROG_MASK, > + FIELD_PREP(ANA_SB_TX_HLVL_PROG_MASK, 0x7)); > + regmap_update_bits(hdptx->regmap, SB_REG(0106), ANA_SB_TX_LLVL_PROG_MASK, > + FIELD_PREP(ANA_SB_TX_LLVL_PROG_MASK, 0x7)); > + > + regmap_update_bits(hdptx->regmap, SB_REG(010d), ANA_SB_DMRX_LPBK_DATA_MASK, > + FIELD_PREP(ANA_SB_DMRX_LPBK_DATA_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, SB_REG(010f), ANA_SB_VREG_GAIN_CTRL_MASK, > + FIELD_PREP(ANA_SB_VREG_GAIN_CTRL_MASK, 0x0)); > + regmap_update_bits(hdptx->regmap, SB_REG(0110), > + ANA_SB_VREG_OUT_SEL_MASK | ANA_SB_VREG_REF_SEL_MASK, > + FIELD_PREP(ANA_SB_VREG_OUT_SEL_MASK, 0x1) | > + FIELD_PREP(ANA_SB_VREG_REF_SEL_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, SB_REG(0113), > + SB_RX_RCAL_OPT_CODE_MASK | SB_RX_RTERM_CTRL_MASK, > + FIELD_PREP(SB_RX_RCAL_OPT_CODE_MASK, 0x1) | > + FIELD_PREP(SB_RX_RTERM_CTRL_MASK, 0x3)); > + regmap_update_bits(hdptx->regmap, SB_REG(0114), > + SB_TG_SB_EN_DELAY_TIME_MASK | SB_TG_RXTERM_EN_DELAY_TIME_MASK, > + FIELD_PREP(SB_TG_SB_EN_DELAY_TIME_MASK, 0x2) | > + FIELD_PREP(SB_TG_RXTERM_EN_DELAY_TIME_MASK, 0x2)); > + regmap_update_bits(hdptx->regmap, SB_REG(0115), > + SB_READY_DELAY_TIME_MASK | SB_TG_OSC_EN_DELAY_TIME_MASK, > + FIELD_PREP(SB_READY_DELAY_TIME_MASK, 0x2) | > + FIELD_PREP(SB_TG_OSC_EN_DELAY_TIME_MASK, 0x2)); > + regmap_update_bits(hdptx->regmap, SB_REG(0116), > + AFC_RSTN_DELAY_TIME_MASK, > + FIELD_PREP(AFC_RSTN_DELAY_TIME_MASK, 0x2)); > + regmap_update_bits(hdptx->regmap, SB_REG(0117), > + FAST_PULSE_TIME_MASK, > + FIELD_PREP(FAST_PULSE_TIME_MASK, 0x4)); > + regmap_update_bits(hdptx->regmap, SB_REG(0118), > + SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, > + FIELD_PREP(SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, 0xa)); > + > + regmap_update_bits(hdptx->regmap, SB_REG(011a), SB_TG_CNT_RUN_NO_7_0_MASK, > + FIELD_PREP(SB_TG_CNT_RUN_NO_7_0_MASK, 0x3)); > + regmap_update_bits(hdptx->regmap, SB_REG(011b), > + SB_EARC_SIG_DET_BYPASS_MASK | SB_AFC_TOL_MASK, > + FIELD_PREP(SB_EARC_SIG_DET_BYPASS_MASK, 0x1) | > + FIELD_PREP(SB_AFC_TOL_MASK, 0x3)); > + regmap_update_bits(hdptx->regmap, SB_REG(011c), SB_AFC_STB_NUM_MASK, > + FIELD_PREP(SB_AFC_STB_NUM_MASK, 0x4)); > + regmap_update_bits(hdptx->regmap, SB_REG(011d), SB_TG_OSC_CNT_MIN_MASK, > + FIELD_PREP(SB_TG_OSC_CNT_MIN_MASK, 0x67)); > + regmap_update_bits(hdptx->regmap, SB_REG(011e), SB_TG_OSC_CNT_MAX_MASK, > + FIELD_PREP(SB_TG_OSC_CNT_MAX_MASK, 0x6a)); > + regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_PWM_AFC_CTRL_MASK, > + FIELD_PREP(SB_PWM_AFC_CTRL_MASK, 0x5)); > + regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_RCAL_RSTN_MASK, > + FIELD_PREP(SB_RCAL_RSTN_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, SB_REG(0120), SB_AUX_EN_IN_MASK, > + FIELD_PREP(SB_AUX_EN_IN_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, SB_REG(0102), OVRD_SB_RXTERM_EN_MASK, > + FIELD_PREP(OVRD_SB_RXTERM_EN_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK, > + FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_EN_MASK, > + FIELD_PREP(OVRD_SB_EN_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_AUX_EN_MASK, > + FIELD_PREP(OVRD_SB_AUX_EN_MASK, 0x1)); > + > + regmap_update_bits(hdptx->regmap, SB_REG(010f), OVRD_SB_VREG_EN_MASK, > + FIELD_PREP(OVRD_SB_VREG_EN_MASK, 0x1)); > + > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x1)); > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x1)); > + usleep_range(20, 25); > + > + reset_control_deassert(hdptx->rsts[RST_INIT].rstc); > + usleep_range(20, 25); > + reset_control_deassert(hdptx->rsts[RST_CMN].rstc); > + usleep_range(20, 25); > + > + regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK, > + FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1)); > + usleep_range(100, 110); > + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_EN_MASK, > + FIELD_PREP(SB_EN_MASK, 0x1)); > + usleep_range(100, 110); > + regmap_update_bits(hdptx->regmap, SB_REG(0102), SB_RXTERM_EN_MASK, > + FIELD_PREP(SB_RXTERM_EN_MASK, 0x1)); > + usleep_range(20, 25); > + regmap_update_bits(hdptx->regmap, SB_REG(010f), SB_VREG_EN_MASK, > + FIELD_PREP(SB_VREG_EN_MASK, 0x1)); > + usleep_range(20, 25); > + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK, > + FIELD_PREP(SB_AUX_EN_MASK, 0x1)); > + usleep_range(100, 110); > + > + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, > + status, FIELD_GET(HDPTX_O_SB_RDY, status), > + 50, 1000); > + if (ret) { > + dev_err(hdptx->dev, "Failed to get phy sb ready: %d\n", ret); > + return ret; > + } > + > + return 0; > +} > + > static int rk_hdptx_phy_power_on(struct phy *phy) > { > struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); > int bus_width = phy_get_bus_width(hdptx->phy); > - int ret; > + enum phy_mode mode = phy_get_mode(phy); > + int ret, lane; > > /* > * FIXME: Temporary workaround to pass pixel_clk_rate > @@ -927,13 +1419,43 @@ static int rk_hdptx_phy_power_on(struct phy *phy) > dev_dbg(hdptx->dev, "%s bus_width=%x rate=%u\n", > __func__, bus_width, rate); > > - ret = rk_hdptx_phy_consumer_get(hdptx, rate); > - if (ret) > - return ret; > + if (mode == PHY_MODE_DP) { > + rk_hdptx_dp_reset(hdptx); > > - ret = rk_hdptx_ropll_tmds_mode_config(hdptx, rate); > - if (ret) > - rk_hdptx_phy_consumer_put(hdptx, true); > + for (lane = 0; lane < 4; lane++) { > + regmap_update_bits(hdptx->regmap, LANE_REG(031e) + 0x400 * lane, > + LN_POLARITY_INV_MASK | LN_LANE_MODE_MASK, > + FIELD_PREP(LN_POLARITY_INV_MASK, 0) | > + FIELD_PREP(LN_LANE_MODE_MASK, 1)); > + } > + > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x1)); > + > + regmap_update_bits(hdptx->regmap, LNTOP_REG(0200), PROTOCOL_SEL, > + FIELD_PREP(PROTOCOL_SEL, 0x0)); > + regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_MASK, > + FIELD_PREP(DATA_BUS_WIDTH_MASK, 0x1)); > + regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_SEL_MASK, > + FIELD_PREP(DATA_BUS_WIDTH_SEL_MASK, 0x0)); > + > + rk_hdptx_dp_pll_init(hdptx); > + > + ret = rk_hdptx_dp_aux_init(hdptx); > + if (ret) > + pm_runtime_put(hdptx->dev); > + } else { > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x0)); > + > + ret = rk_hdptx_phy_consumer_get(hdptx, rate); > + if (ret) > + return ret; > + > + ret = rk_hdptx_ropll_tmds_mode_config(hdptx, rate); > + if (ret) > + rk_hdptx_phy_consumer_put(hdptx, true); > + } > > return ret; > } > @@ -945,9 +1467,337 @@ static int rk_hdptx_phy_power_off(struct phy *phy) > return rk_hdptx_phy_consumer_put(hdptx, false); > } > > +static int rk_hdptx_phy_set_mode(struct phy *phy, enum phy_mode mode, > + int submode) > +{ > + return 0; > +} > + > +static int rk_hdptx_phy_verify_config(struct rk_hdptx_phy *hdptx, > + struct phy_configure_opts_dp *dp) > +{ > + int i; > + > + if (dp->set_rate) { > + switch (dp->link_rate) { > + case 1620: > + case 2700: > + case 5400: > + break; > + default: > + return -EINVAL; > + } > + } > + > + if (dp->set_lanes) { > + switch (dp->lanes) { > + case 0: > + case 1: > + case 2: > + case 4: > + break; > + default: > + return -EINVAL; > + } > + } > + > + if (dp->set_voltages) { > + for (i = 0; i < dp->lanes; i++) { > + if (dp->voltage[i] > 3 || dp->pre[i] > 3) > + return -EINVAL; > + > + if (dp->voltage[i] + dp->pre[i] > 3) > + return -EINVAL; > + } > + } > + > + return 0; > +} > + > +static int rk_hdptx_phy_set_rate(struct rk_hdptx_phy *hdptx, > + struct phy_configure_opts_dp *dp) > +{ > + u32 bw, status; > + int ret; > + > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); > + > + switch (dp->link_rate) { > + case 1620: > + bw = DP_BW_RBR; > + break; > + case 2700: > + bw = DP_BW_HBR; > + break; > + case 5400: > + bw = DP_BW_HBR2; > + break; > + default: > + return -EINVAL; > + } > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK, > + FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) | > + FIELD_PREP(LCPLL_EN_MASK, 0x0)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK, > + FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) | > + FIELD_PREP(ROPLL_EN_MASK, 0x1)); > + > + if (dp->ssc) { > + regmap_update_bits(hdptx->regmap, CMN_REG(0074), > + OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK, > + FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) | > + FIELD_PREP(ROPLL_SSC_EN_MASK, 0x1)); > + regmap_write(hdptx->regmap, CMN_REG(0075), > + FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0xc)); > + regmap_update_bits(hdptx->regmap, CMN_REG(0076), > + ANA_ROPLL_SSC_FM_FREQ_MASK, > + FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0x1f)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK, > + FIELD_PREP(SSC_EN_MASK, 0x2)); > + } else { > + regmap_update_bits(hdptx->regmap, CMN_REG(0074), > + OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK, > + FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) | > + FIELD_PREP(ROPLL_SSC_EN_MASK, 0x0)); > + regmap_write(hdptx->regmap, CMN_REG(0075), > + FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0x20)); > + regmap_update_bits(hdptx->regmap, CMN_REG(0076), > + ANA_ROPLL_SSC_FM_FREQ_MASK, > + FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0xc)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK, > + FIELD_PREP(SSC_EN_MASK, 0x0)); > + } > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0095), DP_TX_LINK_BW_MASK, > + FIELD_PREP(DP_TX_LINK_BW_MASK, bw)); > + > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x1)); > + > + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, > + status, FIELD_GET(HDPTX_O_PLL_LOCK_DONE, status), > + 50, 1000); > + if (ret) { > + dev_err(hdptx->dev, "Failed to get phy pll lock: %d\n", ret); > + return ret; > + } > + > + return 0; > +} > + > +static void rk_hdptx_phy_lane_disable(struct rk_hdptx_phy *hdptx) > +{ > + reset_control_assert(hdptx->rsts[RST_LANE].rstc); > + > + regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN, > + FIELD_PREP(LANE_EN, 0x0)); > + > + regmap_write(hdptx->grf, GRF_HDPTX_CON0, > + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK, > + FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) | > + FIELD_PREP(LCPLL_EN_MASK, 0x0)); > + > + regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK, > + FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) | > + FIELD_PREP(ROPLL_EN_MASK, 0x0)); > +} > + > +static int rk_hdptx_phy_set_lanes(struct rk_hdptx_phy *hdptx, > + struct phy_configure_opts_dp *dp) > +{ > + if (!dp->lanes) { > + rk_hdptx_phy_lane_disable(hdptx); > + return 0; > + } > + > + regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN, > + FIELD_PREP(LANE_EN, GENMASK(dp->lanes - 1, 0))); > + > + return 0; > +} > + > +static void rk_hdptx_phy_set_voltage(struct rk_hdptx_phy *hdptx, > + struct phy_configure_opts_dp *dp, > + u8 lane) > +{ > + const struct tx_drv_ctrl *ctrl; > + u32 offset = lane * 0x400; > + > + switch (dp->link_rate) { > + case 1620: > + ctrl = &tx_drv_ctrl_rbr[dp->voltage[lane]][dp->pre[lane]]; > + regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset, > + LN_TX_JEQ_EVEN_CTRL_RBR_MASK, > + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_RBR_MASK, > + ctrl->tx_jeq_even_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(030c) + offset, > + LN_TX_JEQ_ODD_CTRL_RBR_MASK, > + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_RBR_MASK, > + ctrl->tx_jeq_odd_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, > + LN_TX_SER_40BIT_EN_RBR_MASK, > + FIELD_PREP(LN_TX_SER_40BIT_EN_RBR_MASK, 0x1)); > + break; > + case 2700: > + ctrl = &tx_drv_ctrl_hbr[dp->voltage[lane]][dp->pre[lane]]; > + regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset, > + LN_TX_JEQ_EVEN_CTRL_HBR_MASK, > + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR_MASK, > + ctrl->tx_jeq_even_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset, > + LN_TX_JEQ_ODD_CTRL_HBR_MASK, > + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR_MASK, > + ctrl->tx_jeq_odd_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, > + LN_TX_SER_40BIT_EN_HBR_MASK, > + FIELD_PREP(LN_TX_SER_40BIT_EN_HBR_MASK, 0x1)); > + break; > + case 5400: > + default: > + ctrl = &tx_drv_ctrl_hbr2[dp->voltage[lane]][dp->pre[lane]]; > + regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset, > + LN_TX_JEQ_EVEN_CTRL_HBR2_MASK, > + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR2_MASK, > + ctrl->tx_jeq_even_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset, > + LN_TX_JEQ_ODD_CTRL_HBR2_MASK, > + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR2_MASK, > + ctrl->tx_jeq_odd_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, > + LN_TX_SER_40BIT_EN_HBR2_MASK, > + FIELD_PREP(LN_TX_SER_40BIT_EN_HBR2_MASK, 0x1)); > + break; > + } > + > + regmap_update_bits(hdptx->regmap, LANE_REG(0303) + offset, > + OVRD_LN_TX_DRV_LVL_CTRL_MASK | LN_TX_DRV_LVL_CTRL_MASK, > + FIELD_PREP(OVRD_LN_TX_DRV_LVL_CTRL_MASK, 0x1) | > + FIELD_PREP(LN_TX_DRV_LVL_CTRL_MASK, > + ctrl->tx_drv_lvl_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0304) + offset, > + OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK | > + LN_TX_DRV_POST_LVL_CTRL_MASK, > + FIELD_PREP(OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK, 0x1) | > + FIELD_PREP(LN_TX_DRV_POST_LVL_CTRL_MASK, > + ctrl->tx_drv_post_lvl_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0305) + offset, > + OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK | > + LN_TX_DRV_PRE_LVL_CTRL_MASK, > + FIELD_PREP(OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK, 0x1) | > + FIELD_PREP(LN_TX_DRV_PRE_LVL_CTRL_MASK, > + ctrl->tx_drv_pre_lvl_ctrl)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0306) + offset, > + LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK | > + LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK | > + LN_ANA_TX_DRV_ACCDRV_EN_MASK, > + FIELD_PREP(LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK, > + ctrl->ana_tx_drv_idrv_idn_ctrl) | > + FIELD_PREP(LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK, > + ctrl->ana_tx_drv_idrv_iup_ctrl) | > + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_EN_MASK, > + ctrl->ana_tx_drv_accdrv_en)); > + regmap_update_bits(hdptx->regmap, LANE_REG(0307) + offset, > + LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK | > + LN_ANA_TX_DRV_ACCDRV_CTRL_MASK, > + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK, 0x1) | > + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_CTRL_MASK, > + ctrl->ana_tx_drv_accdrv_ctrl)); > + > + regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset, > + LN_ANA_TX_JEQ_EN_MASK, > + FIELD_PREP(LN_ANA_TX_JEQ_EN_MASK, ctrl->ana_tx_jeq_en)); > + > + regmap_update_bits(hdptx->regmap, LANE_REG(0310) + offset, > + LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, > + FIELD_PREP(LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, 0x3)); > + > + regmap_update_bits(hdptx->regmap, LANE_REG(0316) + offset, > + LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, > + FIELD_PREP(LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, 0x2)); > + > + regmap_update_bits(hdptx->regmap, LANE_REG(031b) + offset, > + LN_ANA_TX_RESERVED_MASK, > + FIELD_PREP(LN_ANA_TX_RESERVED_MASK, 0x1)); > +} > + > +static int rk_hdptx_phy_set_voltages(struct rk_hdptx_phy *hdptx, > + struct phy_configure_opts_dp *dp) > +{ > + u8 lane; > + u32 status; > + int ret; > + > + for (lane = 0; lane < dp->lanes; lane++) > + rk_hdptx_phy_set_voltage(hdptx, dp, lane); > + > + reset_control_deassert(hdptx->rsts[RST_LANE].rstc); > + > + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, > + status, FIELD_GET(HDPTX_O_PHY_RDY, status), > + 50, 5000); > + if (ret) { > + dev_err(hdptx->dev, "Failed to get phy ready: %d\n", ret); > + return ret; > + } > + > + return 0; > +} > + > +static int rk_hdptx_phy_configure(struct phy *phy, union phy_configure_opts *opts) > +{ > + struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); > + enum phy_mode mode = phy_get_mode(phy); > + int ret; > + > + if (mode != PHY_MODE_DP) > + return -EINVAL; > + > + ret = rk_hdptx_phy_verify_config(hdptx, &opts->dp); > + if (ret) { > + dev_err(hdptx->dev, "invalid params for phy configure\n"); > + return ret; > + } > + > + if (opts->dp.set_rate) { > + ret = rk_hdptx_phy_set_rate(hdptx, &opts->dp); > + if (ret) { > + dev_err(hdptx->dev, "failed to set rate: %d\n", ret); > + return ret; > + } > + } > + > + if (opts->dp.set_lanes) { > + ret = rk_hdptx_phy_set_lanes(hdptx, &opts->dp); > + if (ret) { > + dev_err(hdptx->dev, "failed to set lanes: %d\n", ret); > + return ret; > + } > + } > + > + if (opts->dp.set_voltages) { > + ret = rk_hdptx_phy_set_voltages(hdptx, &opts->dp); > + if (ret) { > + dev_err(hdptx->dev, "failed to set voltages: %d\n", > + ret); > + return ret; > + } > + } > + > + return 0; > +} > + > static const struct phy_ops rk_hdptx_phy_ops = { > .power_on = rk_hdptx_phy_power_on, > .power_off = rk_hdptx_phy_power_off, > + .set_mode = rk_hdptx_phy_set_mode, > + .configure = rk_hdptx_phy_configure, > .owner = THIS_MODULE, > }; > > @@ -1164,5 +2014,6 @@ module_platform_driver(rk_hdptx_phy_driver); > > MODULE_AUTHOR("Algea Cao <algea.cao@rock-chips.com>"); > MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@collabora.com>"); > +MODULE_AUTHOR("Damon Ding <damon.ding@rock-chips.com>"); > MODULE_DESCRIPTION("Samsung HDMI/eDP Transmitter Combo PHY Driver"); > MODULE_LICENSE("GPL"); > -- > 2.34.1 >
Hi Dmitry, On 2024/12/16 17:00, Dmitry Baryshkov wrote: > On Mon, Dec 16, 2024 at 11:12:18AM +0800, Damon Ding wrote: >> Add basic support for RBR/HBR/HBR2 link rates, and the voltage swing and >> pre-emphasis configurations of each link rate have been verified according >> to the eDP 1.3 requirements. >> >> Signed-off-by: Damon Ding <damon.ding@rock-chips.com> >> >> --- >> >> Changes in v2: >> - Add the module author >> --- >> .../phy/rockchip/phy-rockchip-samsung-hdptx.c | 937 +++++++++++++++++- >> 1 file changed, 894 insertions(+), 43 deletions(-) >> >> diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c >> index 9f084697dd05..8dd0de267d10 100644 >> --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c >> +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c >> @@ -25,6 +25,7 @@ >> #define HDPTX_I_PLL_EN BIT(7) >> #define HDPTX_I_BIAS_EN BIT(6) >> #define HDPTX_I_BGR_EN BIT(5) >> +#define HDPTX_MODE_SEL BIT(0) >> #define GRF_HDPTX_STATUS 0x80 >> #define HDPTX_O_PLL_LOCK_DONE BIT(3) >> #define HDPTX_O_PHY_CLK_RDY BIT(2) >> @@ -44,6 +45,7 @@ >> #define LANE_REG(n) HDTPX_REG(n, 0300, 062d) >> >> /* CMN_REG(0008) */ >> +#define OVRD_LCPLL_EN_MASK BIT(7) >> #define LCPLL_EN_MASK BIT(6) >> #define LCPLL_LCVCO_MODE_EN_MASK BIT(4) >> /* CMN_REG(001e) */ >> @@ -61,49 +63,110 @@ >> /* CMN_REG(002f) */ >> #define LCPLL_SDC_DENOMINATOR_MASK GENMASK(7, 2) >> #define LCPLL_SDC_NDIV_RSTN BIT(0) >> +/* CMN_REG(003c) */ >> +#define ANA_LCPLL_RESERVED7_MASK BIT(7) >> /* CMN_REG(003d) */ >> +#define OVRD_ROPLL_EN_MASK BIT(7) >> +#define ROPLL_EN_MASK BIT(6) >> #define ROPLL_LCVCO_EN BIT(4) >> +/* CMN_REG(0046) */ >> +#define ROPLL_ANA_CPP_CTRL_COARSE_MASK GENMASK(7, 4) >> +#define ROPLL_ANA_CPP_CTRL_FINE_MASK GENMASK(3, 0) >> +/* CMN_REG(0047) */ >> +#define ROPLL_ANA_LPF_C_SEL_COARSE_MASK GENMASK(5, 3) >> +#define ROPLL_ANA_LPF_C_SEL_FINE_MASK GENMASK(2, 0) >> /* CMN_REG(004e) */ >> #define ROPLL_PI_EN BIT(5) >> +/* CMN_REG(0051) */ >> +#define ROPLL_PMS_MDIV_MASK GENMASK(7, 0) >> +/* CMN_REG(0055) */ >> +#define ROPLL_PMS_MDIV_AFC_MASK GENMASK(7, 0) >> +/* CMN_REG(0059) */ >> +#define ANA_ROPLL_PMS_PDIV_MASK GENMASK(7, 4) >> +#define ANA_ROPLL_PMS_REFDIV_MASK GENMASK(3, 0) >> +/* CMN_REG(005a) */ >> +#define ROPLL_PMS_SDIV_RBR_MASK GENMASK(7, 4) >> +#define ROPLL_PMS_SDIV_HBR_MASK GENMASK(3, 0) >> +/* CMN_REG(005b) */ >> +#define ROPLL_PMS_SDIV_HBR2_MASK GENMASK(7, 4) >> /* CMN_REG(005c) */ >> #define ROPLL_PMS_IQDIV_RSTN BIT(5) >> /* CMN_REG(005e) */ >> #define ROPLL_SDM_EN_MASK BIT(6) >> -#define ROPLL_SDM_FRAC_EN_RBR BIT(3) >> -#define ROPLL_SDM_FRAC_EN_HBR BIT(2) >> -#define ROPLL_SDM_FRAC_EN_HBR2 BIT(1) >> -#define ROPLL_SDM_FRAC_EN_HBR3 BIT(0) > > You have mixed the redefinition of existing bitfields with addition of > new ones. Please split them into separate patches: one for each of > corrections (be sure to specify Fixes tag as required), one for generic > renaming and one for the new platform and new registers / new bitfields) Yes, it is better split this patch into two. I'll do it in the next version. > >> +#define OVRD_ROPLL_SDM_RSTN_MASK BIT(5) >> +#define ROPLL_SDM_RSTN_MASK BIT(4) >> +#define ROPLL_SDC_FRAC_EN_RBR_MASK BIT(3) >> +#define ROPLL_SDC_FRAC_EN_HBR_MASK BIT(2) >> +#define ROPLL_SDC_FRAC_EN_HBR2_MASK BIT(1) >> +/* CMN_REG(005f) */ >> +#define OVRD_ROPLL_SDC_RSTN_MASK BIT(5) >> +#define ROPLL_SDC_RSTN_MASK BIT(4) >> +/* CMN_REG(0060) */ >> +#define ROPLL_SDM_DENOMINATOR_MASK GENMASK(7, 0) >> /* CMN_REG(0064) */ >> #define ROPLL_SDM_NUM_SIGN_RBR_MASK BIT(3) >> +#define ROPLL_SDM_NUM_SIGN_HBR_MASK BIT(2) >> +#define ROPLL_SDM_NUM_SIGN_HBR2_MASK BIT(1) >> +/* CMN_REG(0065) */ >> +#define ROPLL_SDM_NUM_MASK GENMASK(7, 0) >> /* CMN_REG(0069) */ >> #define ROPLL_SDC_N_RBR_MASK GENMASK(2, 0) >> +/* CMN_REG(006a) */ >> +#define ROPLL_SDC_N_HBR_MASK GENMASK(5, 3) >> +#define ROPLL_SDC_N_HBR2_MASK GENMASK(2, 0) >> +/* CMN_REG(006b) */ >> +#define ROPLL_SDC_N_HBR3_MASK GENMASK(3, 1) >> +/* CMN_REG(006c) */ >> +#define ROPLL_SDC_NUM_MASK GENMASK(5, 0) >> +/* cmn_reg0070 */ >> +#define ROPLL_SDC_DENO_MASK GENMASK(5, 0) >> /* CMN_REG(0074) */ >> -#define ROPLL_SDC_NDIV_RSTN BIT(2) >> -#define ROPLL_SSC_EN BIT(0) >> +#define OVRD_ROPLL_SDC_NDIV_RSTN_MASK BIT(3) >> +#define ROPLL_SDC_NDIV_RSTN_MASK BIT(2) >> +#define OVRD_ROPLL_SSC_EN_MASK BIT(1) >> +#define ROPLL_SSC_EN_MASK BIT(0) >> +/* CMN_REG(0075) */ >> +#define ANA_ROPLL_SSC_FM_DEVIATION_MASK GENMASK(5, 0) >> +/* CMN_REG(0076) */ >> +#define ANA_ROPLL_SSC_FM_FREQ_MASK GENMASK(6, 2) >> +/* CMN_REG(0077) */ >> +#define ANA_ROPLL_SSC_CLK_DIV_SEL_MASK GENMASK(6, 3) >> /* CMN_REG(0081) */ >> -#define OVRD_PLL_CD_CLK_EN BIT(8) >> -#define PLL_CD_HSCLK_EAST_EN BIT(0) >> +#define ANA_PLL_CD_TX_SER_RATE_SEL_MASK BIT(3) >> +#define ANA_PLL_CD_HSCLK_WEST_EN_MASK BIT(1) >> +#define ANA_PLL_CD_HSCLK_EAST_EN_MASK BIT(0) >> +/* CMN_REG(0082) */ >> +#define ANA_PLL_CD_VREG_GAIN_CTRL_MASK GENMASK(3, 0) >> +/* CMN_REG(0083) */ >> +#define ANA_PLL_CD_VREG_ICTRL_MASK GENMASK(6, 5) >> +/* CMN_REG(0084) */ >> +#define PLL_LCRO_CLK_SEL_MASK BIT(5) >> +/* CMN_REG(0085) */ >> +#define ANA_PLL_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0) >> /* CMN_REG(0086) */ >> #define PLL_PCG_POSTDIV_SEL_MASK GENMASK(7, 4) >> #define PLL_PCG_CLK_SEL_MASK GENMASK(3, 1) >> #define PLL_PCG_CLK_EN BIT(0) >> /* CMN_REG(0087) */ >> -#define PLL_FRL_MODE_EN BIT(3) >> -#define PLL_TX_HS_CLK_EN BIT(2) >> +#define ANA_PLL_FRL_MODE_EN_MASK BIT(3) >> +#define ANA_PLL_TX_HS_CLK_EN_MASK BIT(2) >> /* CMN_REG(0089) */ >> #define LCPLL_ALONE_MODE BIT(1) >> +/* CMN_REG(0095) */ >> +#define DP_TX_LINK_BW_MASK GENMASK(1, 0) >> /* CMN_REG(0097) */ >> -#define DIG_CLK_SEL BIT(1) >> -#define ROPLL_REF BIT(1) >> -#define LCPLL_REF 0 >> +#define DIG_CLK_SEL_MASK BIT(1) >> +#define LCPLL_REF BIT(1) >> +#define ROPLL_REF 0 >> /* CMN_REG(0099) */ >> +#define SSC_EN_MASK GENMASK(7, 6) >> #define CMN_ROPLL_ALONE_MODE BIT(2) >> #define ROPLL_ALONE_MODE BIT(2) >> /* CMN_REG(009a) */ >> -#define HS_SPEED_SEL BIT(0) >> +#define HS_SPEED_SEL_MASK BIT(0) >> #define DIV_10_CLOCK BIT(0) >> /* CMN_REG(009b) */ >> -#define IS_SPEED_SEL BIT(4) >> +#define LS_SPEED_SEL_MASK BIT(4) >> #define LINK_SYMBOL_CLOCK BIT(4) >> #define LINK_SYMBOL_CLOCK1_2 0 >> >> @@ -118,6 +181,8 @@ >> /* SB_REG(0104) */ >> #define OVRD_SB_EN_MASK BIT(5) >> #define SB_EN_MASK BIT(4) >> +#define OVRD_SB_AUX_EN_MASK BIT(1) >> +#define SB_AUX_EN_MASK BIT(0) >> /* SB_REG(0105) */ >> #define OVRD_SB_EARC_CMDC_EN_MASK BIT(6) >> #define SB_EARC_CMDC_EN_MASK BIT(5) >> @@ -126,6 +191,8 @@ >> #define ANA_SB_TX_LLVL_PROG_MASK GENMASK(6, 4) >> /* SB_REG(0109) */ >> #define ANA_SB_DMRX_AFC_DIV_RATIO_MASK GENMASK(2, 0) >> +/* SB_REG(010d) */ >> +#define ANA_SB_DMRX_LPBK_DATA_MASK BIT(4) >> /* SB_REG(010f) */ >> #define OVRD_SB_VREG_EN_MASK BIT(7) >> #define SB_VREG_EN_MASK BIT(6) >> @@ -133,6 +200,7 @@ >> #define SB_VREG_LPF_BYPASS_MASK BIT(4) >> #define ANA_SB_VREG_GAIN_CTRL_MASK GENMASK(3, 0) >> /* SB_REG(0110) */ >> +#define ANA_SB_VREG_OUT_SEL_MASK BIT(1) >> #define ANA_SB_VREG_REF_SEL_MASK BIT(0) >> /* SB_REG(0113) */ >> #define SB_RX_RCAL_OPT_CODE_MASK GENMASK(5, 4) >> @@ -147,13 +215,24 @@ >> #define AFC_RSTN_DELAY_TIME_MASK GENMASK(6, 4) >> /* SB_REG(0117) */ >> #define FAST_PULSE_TIME_MASK GENMASK(3, 0) >> +/* SB_REG(0118) */ >> +#define SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK GENMASK(7, 0) >> +/* SB_REG(011a) */ >> +#define SB_TG_CNT_RUN_NO_7_0_MASK GENMASK(7, 0) >> /* SB_REG(011b) */ >> #define SB_EARC_SIG_DET_BYPASS_MASK BIT(4) >> #define SB_AFC_TOL_MASK GENMASK(3, 0) >> +/* SB_REG(011c) */ >> +#define SB_AFC_STB_NUM_MASK GENMASK(3, 0) >> +/* SB_REG(011d) */ >> +#define SB_TG_OSC_CNT_MIN_MASK GENMASK(7, 0) >> +/* SB_REG(011e) */ >> +#define SB_TG_OSC_CNT_MAX_MASK GENMASK(7, 0) >> /* SB_REG(011f) */ >> #define SB_PWM_AFC_CTRL_MASK GENMASK(7, 2) >> #define SB_RCAL_RSTN_MASK BIT(1) >> /* SB_REG(0120) */ >> +#define SB_AUX_EN_IN_MASK BIT(7) >> #define SB_EARC_EN_MASK BIT(1) >> #define SB_EARC_AFC_EN_MASK BIT(2) >> /* SB_REG(0123) */ >> @@ -165,35 +244,65 @@ >> #define HDMI_MODE BIT(2) >> #define HDMI_TMDS_FRL_SEL BIT(1) >> /* LNTOP_REG(0206) */ >> -#define DATA_BUS_SEL BIT(0) >> +#define DATA_BUS_WIDTH_MASK GENMASK(2, 1) >> +#define DATA_BUS_WIDTH_SEL_MASK BIT(0) >> #define DATA_BUS_36_40 BIT(0) >> /* LNTOP_REG(0207) */ >> #define LANE_EN 0xf >> #define ALL_LANE_EN 0xf >> >> -/* LANE_REG(0312) */ >> -#define LN0_TX_SER_RATE_SEL_RBR BIT(5) >> -#define LN0_TX_SER_RATE_SEL_HBR BIT(4) >> -#define LN0_TX_SER_RATE_SEL_HBR2 BIT(3) >> -#define LN0_TX_SER_RATE_SEL_HBR3 BIT(2) >> -/* LANE_REG(0412) */ >> -#define LN1_TX_SER_RATE_SEL_RBR BIT(5) >> -#define LN1_TX_SER_RATE_SEL_HBR BIT(4) >> -#define LN1_TX_SER_RATE_SEL_HBR2 BIT(3) >> -#define LN1_TX_SER_RATE_SEL_HBR3 BIT(2) >> -/* LANE_REG(0512) */ >> -#define LN2_TX_SER_RATE_SEL_RBR BIT(5) >> -#define LN2_TX_SER_RATE_SEL_HBR BIT(4) >> -#define LN2_TX_SER_RATE_SEL_HBR2 BIT(3) >> -#define LN2_TX_SER_RATE_SEL_HBR3 BIT(2) >> -/* LANE_REG(0612) */ >> -#define LN3_TX_SER_RATE_SEL_RBR BIT(5) >> -#define LN3_TX_SER_RATE_SEL_HBR BIT(4) >> -#define LN3_TX_SER_RATE_SEL_HBR2 BIT(3) >> -#define LN3_TX_SER_RATE_SEL_HBR3 BIT(2) >> +/* LANE_REG(0301) */ >> +#define OVRD_LN_TX_DRV_EI_EN_MASK BIT(7) >> +#define LN_TX_DRV_EI_EN_MASK BIT(6) >> +/* LANE_REG(0303) */ >> +#define OVRD_LN_TX_DRV_LVL_CTRL_MASK BIT(5) >> +#define LN_TX_DRV_LVL_CTRL_MASK GENMASK(4, 0) >> +/* LANE_REG(0304) */ >> +#define OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK BIT(4) >> +#define LN_TX_DRV_POST_LVL_CTRL_MASK GENMASK(3, 0) >> +/* LANE_REG(0305) */ >> +#define OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK BIT(6) >> +#define LN_TX_DRV_PRE_LVL_CTRL_MASK GENMASK(5, 2) >> +/* LANE_REG(0306) */ >> +#define LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK GENMASK(7, 5) >> +#define LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK GENMASK(4, 2) >> +#define LN_ANA_TX_DRV_ACCDRV_EN_MASK BIT(0) >> +/* LANE_REG(0307) */ >> +#define LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK BIT(6) >> +#define LN_ANA_TX_DRV_ACCDRV_CTRL_MASK GENMASK(5, 3) >> +/* LANE_REG(030a) */ >> +#define LN_ANA_TX_JEQ_EN_MASK BIT(4) >> +#define LN_TX_JEQ_EVEN_CTRL_RBR_MASK GENMASK(3, 0) >> +/* LANE_REG(030b) */ >> +#define LN_TX_JEQ_EVEN_CTRL_HBR_MASK GENMASK(7, 4) >> +#define LN_TX_JEQ_EVEN_CTRL_HBR2_MASK GENMASK(3, 0) >> +/* LANE_REG(030c) */ >> +#define LN_TX_JEQ_ODD_CTRL_RBR_MASK GENMASK(3, 0) >> +/* LANE_REG(030d) */ >> +#define LN_TX_JEQ_ODD_CTRL_HBR_MASK GENMASK(7, 4) >> +#define LN_TX_JEQ_ODD_CTRL_HBR2_MASK GENMASK(3, 0) >> +/* LANE_REG(0310) */ >> +#define LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0) >> +/* LANE_REG(0311) */ >> +#define LN_TX_SER_40BIT_EN_RBR_MASK BIT(3) >> +#define LN_TX_SER_40BIT_EN_HBR_MASK BIT(2) >> +#define LN_TX_SER_40BIT_EN_HBR2_MASK BIT(1) >> +/* LANE_REG(0316) */ >> +#define LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK GENMASK(3, 0) >> +/* LANE_REG(031B) */ >> +#define LN_ANA_TX_RESERVED_MASK GENMASK(7, 0) >> +/* LANE_REG(031e) */ >> +#define LN_POLARITY_INV_MASK BIT(2) >> +#define LN_LANE_MODE_MASK BIT(1) >> >> #define HDMI20_MAX_RATE 600000000 >> >> +enum dp_link_rate { >> + DP_BW_RBR, >> + DP_BW_HBR, >> + DP_BW_HBR2, >> +}; >> + >> struct lcpll_config { >> u32 bit_rate; >> u8 lcvco_mode_en; >> @@ -255,6 +364,19 @@ struct ropll_config { >> u8 cd_tx_ser_rate_sel; >> }; >> >> +struct tx_drv_ctrl { >> + u8 tx_drv_lvl_ctrl; >> + u8 tx_drv_post_lvl_ctrl; >> + u8 ana_tx_drv_idrv_idn_ctrl; >> + u8 ana_tx_drv_idrv_iup_ctrl; >> + u8 ana_tx_drv_accdrv_en; >> + u8 ana_tx_drv_accdrv_ctrl; >> + u8 tx_drv_pre_lvl_ctrl; >> + u8 ana_tx_jeq_en; >> + u8 tx_jeq_even_ctrl; >> + u8 tx_jeq_odd_ctrl; >> +}; >> + >> enum rk_hdptx_reset { >> RST_PHY = 0, >> RST_APB, >> @@ -560,6 +682,90 @@ static const struct reg_sequence rk_hdtpx_tmds_lane_init_seq[] = { >> REG_SEQ0(LANE_REG(0606), 0x1c), >> }; >> >> +static struct tx_drv_ctrl tx_drv_ctrl_rbr[4][4] = { >> + /* voltage swing 0, pre-emphasis 0->3 */ >> + { >> + { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0x4, 0x3, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0x7, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 1, pre-emphasis 0->2 */ >> + { >> + { 0x4, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0x9, 0x5, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 2, pre-emphasis 0->1 */ >> + { >> + { 0x8, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0xc, 0x5, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 3, pre-emphasis 0 */ >> + { >> + { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + } >> +}; >> + >> +static struct tx_drv_ctrl tx_drv_ctrl_hbr[4][4] = { >> + /* voltage swing 0, pre-emphasis 0->3 */ >> + { >> + { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0x9, 0x8, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 1, pre-emphasis 0->2 */ >> + { >> + { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0xa, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 2, pre-emphasis 0->1 */ >> + { >> + { 0x9, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0xd, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 3, pre-emphasis 0 */ >> + { >> + { 0xc, 0x1, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + } >> +}; >> + >> +static struct tx_drv_ctrl tx_drv_ctrl_hbr2[4][4] = { >> + /* voltage swing 0, pre-emphasis 0->3 */ >> + { >> + { 0x2, 0x1, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0x9, 0x8, 0x4, 0x6, 0x1, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 1, pre-emphasis 0->2 */ >> + { >> + { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0xb, 0x7, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, >> + { 0xd, 0x9, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 2, pre-emphasis 0->1 */ >> + { >> + { 0x8, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + { 0xc, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, >> + }, >> + >> + /* voltage swing 3, pre-emphasis 0 */ >> + { >> + { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, >> + } >> +}; >> + >> static bool rk_hdptx_phy_is_rw_reg(struct device *dev, unsigned int reg) >> { >> switch (reg) { >> @@ -911,11 +1117,297 @@ static int rk_hdptx_phy_consumer_put(struct rk_hdptx_phy *hdptx, bool force) >> return ret; >> } >> >> +static void rk_hdptx_dp_reset(struct rk_hdptx_phy *hdptx) >> +{ >> + reset_control_assert(hdptx->rsts[RST_LANE].rstc); >> + reset_control_assert(hdptx->rsts[RST_CMN].rstc); >> + reset_control_assert(hdptx->rsts[RST_INIT].rstc); >> + >> + reset_control_assert(hdptx->rsts[RST_APB].rstc); >> + udelay(10); >> + reset_control_deassert(hdptx->rsts[RST_APB].rstc); >> + >> + regmap_update_bits(hdptx->regmap, LANE_REG(0301), >> + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, >> + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | >> + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0401), >> + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, >> + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | >> + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0501), >> + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, >> + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | >> + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0601), >> + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, >> + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | >> + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); >> + >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x0)); >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x0)); >> +} >> + >> +static void rk_hdptx_dp_pll_init(struct rk_hdptx_phy *hdptx) >> +{ >> + regmap_update_bits(hdptx->regmap, CMN_REG(003c), ANA_LCPLL_RESERVED7_MASK, >> + FIELD_PREP(ANA_LCPLL_RESERVED7_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0046), >> + ROPLL_ANA_CPP_CTRL_COARSE_MASK | ROPLL_ANA_CPP_CTRL_FINE_MASK, >> + FIELD_PREP(ROPLL_ANA_CPP_CTRL_COARSE_MASK, 0xe) | >> + FIELD_PREP(ROPLL_ANA_CPP_CTRL_FINE_MASK, 0xe)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(0047), >> + ROPLL_ANA_LPF_C_SEL_COARSE_MASK | >> + ROPLL_ANA_LPF_C_SEL_FINE_MASK, >> + FIELD_PREP(ROPLL_ANA_LPF_C_SEL_COARSE_MASK, 0x4) | >> + FIELD_PREP(ROPLL_ANA_LPF_C_SEL_FINE_MASK, 0x4)); >> + >> + regmap_write(hdptx->regmap, CMN_REG(0051), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x87)); >> + regmap_write(hdptx->regmap, CMN_REG(0052), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71)); >> + regmap_write(hdptx->regmap, CMN_REG(0053), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71)); >> + >> + regmap_write(hdptx->regmap, CMN_REG(0055), >> + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x87)); >> + regmap_write(hdptx->regmap, CMN_REG(0056), >> + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71)); >> + regmap_write(hdptx->regmap, CMN_REG(0057), >> + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71)); >> + >> + regmap_write(hdptx->regmap, CMN_REG(0059), >> + FIELD_PREP(ANA_ROPLL_PMS_PDIV_MASK, 0x1) | >> + FIELD_PREP(ANA_ROPLL_PMS_REFDIV_MASK, 0x1)); >> + regmap_write(hdptx->regmap, CMN_REG(005a), >> + FIELD_PREP(ROPLL_PMS_SDIV_RBR_MASK, 0x3) | >> + FIELD_PREP(ROPLL_PMS_SDIV_HBR_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(005b), ROPLL_PMS_SDIV_HBR2_MASK, >> + FIELD_PREP(ROPLL_PMS_SDIV_HBR2_MASK, 0x0)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDM_EN_MASK, >> + FIELD_PREP(ROPLL_SDM_EN_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(005e), >> + OVRD_ROPLL_SDM_RSTN_MASK | ROPLL_SDM_RSTN_MASK, >> + FIELD_PREP(OVRD_ROPLL_SDM_RSTN_MASK, 0x1) | >> + FIELD_PREP(ROPLL_SDM_RSTN_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_RBR_MASK, >> + FIELD_PREP(ROPLL_SDC_FRAC_EN_RBR_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR_MASK, >> + FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR2_MASK, >> + FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR2_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(005f), >> + OVRD_ROPLL_SDC_RSTN_MASK | ROPLL_SDC_RSTN_MASK, >> + FIELD_PREP(OVRD_ROPLL_SDC_RSTN_MASK, 0x1) | >> + FIELD_PREP(ROPLL_SDC_RSTN_MASK, 0x1)); >> + regmap_write(hdptx->regmap, CMN_REG(0060), >> + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x21)); >> + regmap_write(hdptx->regmap, CMN_REG(0061), >> + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27)); >> + regmap_write(hdptx->regmap, CMN_REG(0062), >> + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0064), >> + ROPLL_SDM_NUM_SIGN_RBR_MASK | >> + ROPLL_SDM_NUM_SIGN_HBR_MASK | >> + ROPLL_SDM_NUM_SIGN_HBR2_MASK, >> + FIELD_PREP(ROPLL_SDM_NUM_SIGN_RBR_MASK, 0x0) | >> + FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR_MASK, 0x1) | >> + FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR2_MASK, 0x1)); >> + regmap_write(hdptx->regmap, CMN_REG(0065), >> + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0x0)); >> + regmap_write(hdptx->regmap, CMN_REG(0066), >> + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd)); >> + regmap_write(hdptx->regmap, CMN_REG(0067), >> + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0069), ROPLL_SDC_N_RBR_MASK, >> + FIELD_PREP(ROPLL_SDC_N_RBR_MASK, 0x2)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(006a), >> + ROPLL_SDC_N_HBR_MASK | ROPLL_SDC_N_HBR2_MASK, >> + FIELD_PREP(ROPLL_SDC_N_HBR_MASK, 0x1) | >> + FIELD_PREP(ROPLL_SDC_N_HBR2_MASK, 0x1)); >> + >> + regmap_write(hdptx->regmap, CMN_REG(006c), >> + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x3)); >> + regmap_write(hdptx->regmap, CMN_REG(006d), >> + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7)); >> + regmap_write(hdptx->regmap, CMN_REG(006e), >> + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7)); >> + >> + regmap_write(hdptx->regmap, CMN_REG(0070), >> + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x8)); >> + regmap_write(hdptx->regmap, CMN_REG(0071), >> + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18)); >> + regmap_write(hdptx->regmap, CMN_REG(0072), >> + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0074), >> + OVRD_ROPLL_SDC_NDIV_RSTN_MASK | ROPLL_SDC_NDIV_RSTN_MASK, >> + FIELD_PREP(OVRD_ROPLL_SDC_NDIV_RSTN_MASK, 0x1) | >> + FIELD_PREP(ROPLL_SDC_NDIV_RSTN_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0077), ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, >> + FIELD_PREP(ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0081), ANA_PLL_CD_TX_SER_RATE_SEL_MASK, >> + FIELD_PREP(ANA_PLL_CD_TX_SER_RATE_SEL_MASK, 0x0)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(0081), >> + ANA_PLL_CD_HSCLK_EAST_EN_MASK | ANA_PLL_CD_HSCLK_WEST_EN_MASK, >> + FIELD_PREP(ANA_PLL_CD_HSCLK_EAST_EN_MASK, 0x1) | >> + FIELD_PREP(ANA_PLL_CD_HSCLK_WEST_EN_MASK, 0x0)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0082), ANA_PLL_CD_VREG_GAIN_CTRL_MASK, >> + FIELD_PREP(ANA_PLL_CD_VREG_GAIN_CTRL_MASK, 0x4)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(0083), ANA_PLL_CD_VREG_ICTRL_MASK, >> + FIELD_PREP(ANA_PLL_CD_VREG_ICTRL_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(0084), PLL_LCRO_CLK_SEL_MASK, >> + FIELD_PREP(PLL_LCRO_CLK_SEL_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(0085), ANA_PLL_SYNC_LOSS_DET_MODE_MASK, >> + FIELD_PREP(ANA_PLL_SYNC_LOSS_DET_MODE_MASK, 0x3)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0087), ANA_PLL_TX_HS_CLK_EN_MASK, >> + FIELD_PREP(ANA_PLL_TX_HS_CLK_EN_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0097), DIG_CLK_SEL_MASK, >> + FIELD_PREP(DIG_CLK_SEL_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0099), CMN_ROPLL_ALONE_MODE, >> + FIELD_PREP(CMN_ROPLL_ALONE_MODE, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(009a), HS_SPEED_SEL_MASK, >> + FIELD_PREP(HS_SPEED_SEL_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(009b), LS_SPEED_SEL_MASK, >> + FIELD_PREP(LS_SPEED_SEL_MASK, 0x1)); >> +} >> + >> +static int rk_hdptx_dp_aux_init(struct rk_hdptx_phy *hdptx) >> +{ >> + u32 status; >> + int ret; >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(0102), ANA_SB_RXTERM_OFFSP_MASK, >> + FIELD_PREP(ANA_SB_RXTERM_OFFSP_MASK, 0x3)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0103), ANA_SB_RXTERM_OFFSN_MASK, >> + FIELD_PREP(ANA_SB_RXTERM_OFFSN_MASK, 0x3)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK, >> + FIELD_PREP(SB_AUX_EN_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0105), ANA_SB_TX_HLVL_PROG_MASK, >> + FIELD_PREP(ANA_SB_TX_HLVL_PROG_MASK, 0x7)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0106), ANA_SB_TX_LLVL_PROG_MASK, >> + FIELD_PREP(ANA_SB_TX_LLVL_PROG_MASK, 0x7)); >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(010d), ANA_SB_DMRX_LPBK_DATA_MASK, >> + FIELD_PREP(ANA_SB_DMRX_LPBK_DATA_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(010f), ANA_SB_VREG_GAIN_CTRL_MASK, >> + FIELD_PREP(ANA_SB_VREG_GAIN_CTRL_MASK, 0x0)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0110), >> + ANA_SB_VREG_OUT_SEL_MASK | ANA_SB_VREG_REF_SEL_MASK, >> + FIELD_PREP(ANA_SB_VREG_OUT_SEL_MASK, 0x1) | >> + FIELD_PREP(ANA_SB_VREG_REF_SEL_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(0113), >> + SB_RX_RCAL_OPT_CODE_MASK | SB_RX_RTERM_CTRL_MASK, >> + FIELD_PREP(SB_RX_RCAL_OPT_CODE_MASK, 0x1) | >> + FIELD_PREP(SB_RX_RTERM_CTRL_MASK, 0x3)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0114), >> + SB_TG_SB_EN_DELAY_TIME_MASK | SB_TG_RXTERM_EN_DELAY_TIME_MASK, >> + FIELD_PREP(SB_TG_SB_EN_DELAY_TIME_MASK, 0x2) | >> + FIELD_PREP(SB_TG_RXTERM_EN_DELAY_TIME_MASK, 0x2)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0115), >> + SB_READY_DELAY_TIME_MASK | SB_TG_OSC_EN_DELAY_TIME_MASK, >> + FIELD_PREP(SB_READY_DELAY_TIME_MASK, 0x2) | >> + FIELD_PREP(SB_TG_OSC_EN_DELAY_TIME_MASK, 0x2)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0116), >> + AFC_RSTN_DELAY_TIME_MASK, >> + FIELD_PREP(AFC_RSTN_DELAY_TIME_MASK, 0x2)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0117), >> + FAST_PULSE_TIME_MASK, >> + FIELD_PREP(FAST_PULSE_TIME_MASK, 0x4)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0118), >> + SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, >> + FIELD_PREP(SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, 0xa)); >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(011a), SB_TG_CNT_RUN_NO_7_0_MASK, >> + FIELD_PREP(SB_TG_CNT_RUN_NO_7_0_MASK, 0x3)); >> + regmap_update_bits(hdptx->regmap, SB_REG(011b), >> + SB_EARC_SIG_DET_BYPASS_MASK | SB_AFC_TOL_MASK, >> + FIELD_PREP(SB_EARC_SIG_DET_BYPASS_MASK, 0x1) | >> + FIELD_PREP(SB_AFC_TOL_MASK, 0x3)); >> + regmap_update_bits(hdptx->regmap, SB_REG(011c), SB_AFC_STB_NUM_MASK, >> + FIELD_PREP(SB_AFC_STB_NUM_MASK, 0x4)); >> + regmap_update_bits(hdptx->regmap, SB_REG(011d), SB_TG_OSC_CNT_MIN_MASK, >> + FIELD_PREP(SB_TG_OSC_CNT_MIN_MASK, 0x67)); >> + regmap_update_bits(hdptx->regmap, SB_REG(011e), SB_TG_OSC_CNT_MAX_MASK, >> + FIELD_PREP(SB_TG_OSC_CNT_MAX_MASK, 0x6a)); >> + regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_PWM_AFC_CTRL_MASK, >> + FIELD_PREP(SB_PWM_AFC_CTRL_MASK, 0x5)); >> + regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_RCAL_RSTN_MASK, >> + FIELD_PREP(SB_RCAL_RSTN_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0120), SB_AUX_EN_IN_MASK, >> + FIELD_PREP(SB_AUX_EN_IN_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(0102), OVRD_SB_RXTERM_EN_MASK, >> + FIELD_PREP(OVRD_SB_RXTERM_EN_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK, >> + FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_EN_MASK, >> + FIELD_PREP(OVRD_SB_EN_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_AUX_EN_MASK, >> + FIELD_PREP(OVRD_SB_AUX_EN_MASK, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(010f), OVRD_SB_VREG_EN_MASK, >> + FIELD_PREP(OVRD_SB_VREG_EN_MASK, 0x1)); >> + >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x1)); >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x1)); >> + usleep_range(20, 25); >> + >> + reset_control_deassert(hdptx->rsts[RST_INIT].rstc); >> + usleep_range(20, 25); >> + reset_control_deassert(hdptx->rsts[RST_CMN].rstc); >> + usleep_range(20, 25); >> + >> + regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK, >> + FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1)); >> + usleep_range(100, 110); >> + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_EN_MASK, >> + FIELD_PREP(SB_EN_MASK, 0x1)); >> + usleep_range(100, 110); >> + regmap_update_bits(hdptx->regmap, SB_REG(0102), SB_RXTERM_EN_MASK, >> + FIELD_PREP(SB_RXTERM_EN_MASK, 0x1)); >> + usleep_range(20, 25); >> + regmap_update_bits(hdptx->regmap, SB_REG(010f), SB_VREG_EN_MASK, >> + FIELD_PREP(SB_VREG_EN_MASK, 0x1)); >> + usleep_range(20, 25); >> + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK, >> + FIELD_PREP(SB_AUX_EN_MASK, 0x1)); >> + usleep_range(100, 110); >> + >> + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, >> + status, FIELD_GET(HDPTX_O_SB_RDY, status), >> + 50, 1000); >> + if (ret) { >> + dev_err(hdptx->dev, "Failed to get phy sb ready: %d\n", ret); >> + return ret; >> + } >> + >> + return 0; >> +} >> + >> static int rk_hdptx_phy_power_on(struct phy *phy) >> { >> struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); >> int bus_width = phy_get_bus_width(hdptx->phy); >> - int ret; >> + enum phy_mode mode = phy_get_mode(phy); >> + int ret, lane; >> >> /* >> * FIXME: Temporary workaround to pass pixel_clk_rate >> @@ -927,13 +1419,43 @@ static int rk_hdptx_phy_power_on(struct phy *phy) >> dev_dbg(hdptx->dev, "%s bus_width=%x rate=%u\n", >> __func__, bus_width, rate); >> >> - ret = rk_hdptx_phy_consumer_get(hdptx, rate); >> - if (ret) >> - return ret; >> + if (mode == PHY_MODE_DP) { >> + rk_hdptx_dp_reset(hdptx); >> >> - ret = rk_hdptx_ropll_tmds_mode_config(hdptx, rate); >> - if (ret) >> - rk_hdptx_phy_consumer_put(hdptx, true); >> + for (lane = 0; lane < 4; lane++) { >> + regmap_update_bits(hdptx->regmap, LANE_REG(031e) + 0x400 * lane, >> + LN_POLARITY_INV_MASK | LN_LANE_MODE_MASK, >> + FIELD_PREP(LN_POLARITY_INV_MASK, 0) | >> + FIELD_PREP(LN_LANE_MODE_MASK, 1)); >> + } >> + >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x1)); >> + >> + regmap_update_bits(hdptx->regmap, LNTOP_REG(0200), PROTOCOL_SEL, >> + FIELD_PREP(PROTOCOL_SEL, 0x0)); >> + regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_MASK, >> + FIELD_PREP(DATA_BUS_WIDTH_MASK, 0x1)); >> + regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_SEL_MASK, >> + FIELD_PREP(DATA_BUS_WIDTH_SEL_MASK, 0x0)); >> + >> + rk_hdptx_dp_pll_init(hdptx); >> + >> + ret = rk_hdptx_dp_aux_init(hdptx); >> + if (ret) >> + pm_runtime_put(hdptx->dev); >> + } else { >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x0)); >> + >> + ret = rk_hdptx_phy_consumer_get(hdptx, rate); >> + if (ret) >> + return ret; >> + >> + ret = rk_hdptx_ropll_tmds_mode_config(hdptx, rate); >> + if (ret) >> + rk_hdptx_phy_consumer_put(hdptx, true); >> + } >> >> return ret; >> } >> @@ -945,9 +1467,337 @@ static int rk_hdptx_phy_power_off(struct phy *phy) >> return rk_hdptx_phy_consumer_put(hdptx, false); >> } >> >> +static int rk_hdptx_phy_set_mode(struct phy *phy, enum phy_mode mode, >> + int submode) >> +{ >> + return 0; >> +} >> + >> +static int rk_hdptx_phy_verify_config(struct rk_hdptx_phy *hdptx, >> + struct phy_configure_opts_dp *dp) >> +{ >> + int i; >> + >> + if (dp->set_rate) { >> + switch (dp->link_rate) { >> + case 1620: >> + case 2700: >> + case 5400: >> + break; >> + default: >> + return -EINVAL; >> + } >> + } >> + >> + if (dp->set_lanes) { >> + switch (dp->lanes) { >> + case 0: >> + case 1: >> + case 2: >> + case 4: >> + break; >> + default: >> + return -EINVAL; >> + } >> + } >> + >> + if (dp->set_voltages) { >> + for (i = 0; i < dp->lanes; i++) { >> + if (dp->voltage[i] > 3 || dp->pre[i] > 3) >> + return -EINVAL; >> + >> + if (dp->voltage[i] + dp->pre[i] > 3) >> + return -EINVAL; >> + } >> + } >> + >> + return 0; >> +} >> + >> +static int rk_hdptx_phy_set_rate(struct rk_hdptx_phy *hdptx, >> + struct phy_configure_opts_dp *dp) >> +{ >> + u32 bw, status; >> + int ret; >> + >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); >> + >> + switch (dp->link_rate) { >> + case 1620: >> + bw = DP_BW_RBR; >> + break; >> + case 2700: >> + bw = DP_BW_HBR; >> + break; >> + case 5400: >> + bw = DP_BW_HBR2; >> + break; >> + default: >> + return -EINVAL; >> + } >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK, >> + FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) | >> + FIELD_PREP(LCPLL_EN_MASK, 0x0)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK, >> + FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) | >> + FIELD_PREP(ROPLL_EN_MASK, 0x1)); >> + >> + if (dp->ssc) { >> + regmap_update_bits(hdptx->regmap, CMN_REG(0074), >> + OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK, >> + FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) | >> + FIELD_PREP(ROPLL_SSC_EN_MASK, 0x1)); >> + regmap_write(hdptx->regmap, CMN_REG(0075), >> + FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0xc)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(0076), >> + ANA_ROPLL_SSC_FM_FREQ_MASK, >> + FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0x1f)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK, >> + FIELD_PREP(SSC_EN_MASK, 0x2)); >> + } else { >> + regmap_update_bits(hdptx->regmap, CMN_REG(0074), >> + OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK, >> + FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) | >> + FIELD_PREP(ROPLL_SSC_EN_MASK, 0x0)); >> + regmap_write(hdptx->regmap, CMN_REG(0075), >> + FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0x20)); >> + regmap_update_bits(hdptx->regmap, CMN_REG(0076), >> + ANA_ROPLL_SSC_FM_FREQ_MASK, >> + FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0xc)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK, >> + FIELD_PREP(SSC_EN_MASK, 0x0)); >> + } >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0095), DP_TX_LINK_BW_MASK, >> + FIELD_PREP(DP_TX_LINK_BW_MASK, bw)); >> + >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x1)); >> + >> + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, >> + status, FIELD_GET(HDPTX_O_PLL_LOCK_DONE, status), >> + 50, 1000); >> + if (ret) { >> + dev_err(hdptx->dev, "Failed to get phy pll lock: %d\n", ret); >> + return ret; >> + } >> + >> + return 0; >> +} >> + >> +static void rk_hdptx_phy_lane_disable(struct rk_hdptx_phy *hdptx) >> +{ >> + reset_control_assert(hdptx->rsts[RST_LANE].rstc); >> + >> + regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN, >> + FIELD_PREP(LANE_EN, 0x0)); >> + >> + regmap_write(hdptx->grf, GRF_HDPTX_CON0, >> + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK, >> + FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) | >> + FIELD_PREP(LCPLL_EN_MASK, 0x0)); >> + >> + regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK, >> + FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) | >> + FIELD_PREP(ROPLL_EN_MASK, 0x0)); >> +} >> + >> +static int rk_hdptx_phy_set_lanes(struct rk_hdptx_phy *hdptx, >> + struct phy_configure_opts_dp *dp) >> +{ >> + if (!dp->lanes) { >> + rk_hdptx_phy_lane_disable(hdptx); >> + return 0; >> + } >> + >> + regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN, >> + FIELD_PREP(LANE_EN, GENMASK(dp->lanes - 1, 0))); >> + >> + return 0; >> +} >> + >> +static void rk_hdptx_phy_set_voltage(struct rk_hdptx_phy *hdptx, >> + struct phy_configure_opts_dp *dp, >> + u8 lane) >> +{ >> + const struct tx_drv_ctrl *ctrl; >> + u32 offset = lane * 0x400; >> + >> + switch (dp->link_rate) { >> + case 1620: >> + ctrl = &tx_drv_ctrl_rbr[dp->voltage[lane]][dp->pre[lane]]; >> + regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset, >> + LN_TX_JEQ_EVEN_CTRL_RBR_MASK, >> + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_RBR_MASK, >> + ctrl->tx_jeq_even_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(030c) + offset, >> + LN_TX_JEQ_ODD_CTRL_RBR_MASK, >> + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_RBR_MASK, >> + ctrl->tx_jeq_odd_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, >> + LN_TX_SER_40BIT_EN_RBR_MASK, >> + FIELD_PREP(LN_TX_SER_40BIT_EN_RBR_MASK, 0x1)); >> + break; >> + case 2700: >> + ctrl = &tx_drv_ctrl_hbr[dp->voltage[lane]][dp->pre[lane]]; >> + regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset, >> + LN_TX_JEQ_EVEN_CTRL_HBR_MASK, >> + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR_MASK, >> + ctrl->tx_jeq_even_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset, >> + LN_TX_JEQ_ODD_CTRL_HBR_MASK, >> + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR_MASK, >> + ctrl->tx_jeq_odd_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, >> + LN_TX_SER_40BIT_EN_HBR_MASK, >> + FIELD_PREP(LN_TX_SER_40BIT_EN_HBR_MASK, 0x1)); >> + break; >> + case 5400: >> + default: >> + ctrl = &tx_drv_ctrl_hbr2[dp->voltage[lane]][dp->pre[lane]]; >> + regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset, >> + LN_TX_JEQ_EVEN_CTRL_HBR2_MASK, >> + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR2_MASK, >> + ctrl->tx_jeq_even_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset, >> + LN_TX_JEQ_ODD_CTRL_HBR2_MASK, >> + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR2_MASK, >> + ctrl->tx_jeq_odd_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, >> + LN_TX_SER_40BIT_EN_HBR2_MASK, >> + FIELD_PREP(LN_TX_SER_40BIT_EN_HBR2_MASK, 0x1)); >> + break; >> + } >> + >> + regmap_update_bits(hdptx->regmap, LANE_REG(0303) + offset, >> + OVRD_LN_TX_DRV_LVL_CTRL_MASK | LN_TX_DRV_LVL_CTRL_MASK, >> + FIELD_PREP(OVRD_LN_TX_DRV_LVL_CTRL_MASK, 0x1) | >> + FIELD_PREP(LN_TX_DRV_LVL_CTRL_MASK, >> + ctrl->tx_drv_lvl_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0304) + offset, >> + OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK | >> + LN_TX_DRV_POST_LVL_CTRL_MASK, >> + FIELD_PREP(OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK, 0x1) | >> + FIELD_PREP(LN_TX_DRV_POST_LVL_CTRL_MASK, >> + ctrl->tx_drv_post_lvl_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0305) + offset, >> + OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK | >> + LN_TX_DRV_PRE_LVL_CTRL_MASK, >> + FIELD_PREP(OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK, 0x1) | >> + FIELD_PREP(LN_TX_DRV_PRE_LVL_CTRL_MASK, >> + ctrl->tx_drv_pre_lvl_ctrl)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0306) + offset, >> + LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK | >> + LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK | >> + LN_ANA_TX_DRV_ACCDRV_EN_MASK, >> + FIELD_PREP(LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK, >> + ctrl->ana_tx_drv_idrv_idn_ctrl) | >> + FIELD_PREP(LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK, >> + ctrl->ana_tx_drv_idrv_iup_ctrl) | >> + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_EN_MASK, >> + ctrl->ana_tx_drv_accdrv_en)); >> + regmap_update_bits(hdptx->regmap, LANE_REG(0307) + offset, >> + LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK | >> + LN_ANA_TX_DRV_ACCDRV_CTRL_MASK, >> + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK, 0x1) | >> + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_CTRL_MASK, >> + ctrl->ana_tx_drv_accdrv_ctrl)); >> + >> + regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset, >> + LN_ANA_TX_JEQ_EN_MASK, >> + FIELD_PREP(LN_ANA_TX_JEQ_EN_MASK, ctrl->ana_tx_jeq_en)); >> + >> + regmap_update_bits(hdptx->regmap, LANE_REG(0310) + offset, >> + LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, >> + FIELD_PREP(LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, 0x3)); >> + >> + regmap_update_bits(hdptx->regmap, LANE_REG(0316) + offset, >> + LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, >> + FIELD_PREP(LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, 0x2)); >> + >> + regmap_update_bits(hdptx->regmap, LANE_REG(031b) + offset, >> + LN_ANA_TX_RESERVED_MASK, >> + FIELD_PREP(LN_ANA_TX_RESERVED_MASK, 0x1)); >> +} >> + >> +static int rk_hdptx_phy_set_voltages(struct rk_hdptx_phy *hdptx, >> + struct phy_configure_opts_dp *dp) >> +{ >> + u8 lane; >> + u32 status; >> + int ret; >> + >> + for (lane = 0; lane < dp->lanes; lane++) >> + rk_hdptx_phy_set_voltage(hdptx, dp, lane); >> + >> + reset_control_deassert(hdptx->rsts[RST_LANE].rstc); >> + >> + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, >> + status, FIELD_GET(HDPTX_O_PHY_RDY, status), >> + 50, 5000); >> + if (ret) { >> + dev_err(hdptx->dev, "Failed to get phy ready: %d\n", ret); >> + return ret; >> + } >> + >> + return 0; >> +} >> + >> +static int rk_hdptx_phy_configure(struct phy *phy, union phy_configure_opts *opts) >> +{ >> + struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); >> + enum phy_mode mode = phy_get_mode(phy); >> + int ret; >> + >> + if (mode != PHY_MODE_DP) >> + return -EINVAL; >> + >> + ret = rk_hdptx_phy_verify_config(hdptx, &opts->dp); >> + if (ret) { >> + dev_err(hdptx->dev, "invalid params for phy configure\n"); >> + return ret; >> + } >> + >> + if (opts->dp.set_rate) { >> + ret = rk_hdptx_phy_set_rate(hdptx, &opts->dp); >> + if (ret) { >> + dev_err(hdptx->dev, "failed to set rate: %d\n", ret); >> + return ret; >> + } >> + } >> + >> + if (opts->dp.set_lanes) { >> + ret = rk_hdptx_phy_set_lanes(hdptx, &opts->dp); >> + if (ret) { >> + dev_err(hdptx->dev, "failed to set lanes: %d\n", ret); >> + return ret; >> + } >> + } >> + >> + if (opts->dp.set_voltages) { >> + ret = rk_hdptx_phy_set_voltages(hdptx, &opts->dp); >> + if (ret) { >> + dev_err(hdptx->dev, "failed to set voltages: %d\n", >> + ret); >> + return ret; >> + } >> + } >> + >> + return 0; >> +} >> + >> static const struct phy_ops rk_hdptx_phy_ops = { >> .power_on = rk_hdptx_phy_power_on, >> .power_off = rk_hdptx_phy_power_off, >> + .set_mode = rk_hdptx_phy_set_mode, >> + .configure = rk_hdptx_phy_configure, >> .owner = THIS_MODULE, >> }; >> >> @@ -1164,5 +2014,6 @@ module_platform_driver(rk_hdptx_phy_driver); >> >> MODULE_AUTHOR("Algea Cao <algea.cao@rock-chips.com>"); >> MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@collabora.com>"); >> +MODULE_AUTHOR("Damon Ding <damon.ding@rock-chips.com>"); >> MODULE_DESCRIPTION("Samsung HDMI/eDP Transmitter Combo PHY Driver"); >> MODULE_LICENSE("GPL"); >> -- >> 2.34.1 >> > Best regards, Damon
Hi Damon, Am Montag, 16. Dezember 2024, 04:12:18 CET schrieb Damon Ding: > Add basic support for RBR/HBR/HBR2 link rates, and the voltage swing and > pre-emphasis configurations of each link rate have been verified according > to the eDP 1.3 requirements. > > Signed-off-by: Damon Ding <damon.ding@rock-chips.com> > > --- > > Changes in v2: > - Add the module author > --- > @@ -255,6 +364,19 @@ struct ropll_config { > u8 cd_tx_ser_rate_sel; > }; > > +struct tx_drv_ctrl { > + u8 tx_drv_lvl_ctrl; > + u8 tx_drv_post_lvl_ctrl; > + u8 ana_tx_drv_idrv_idn_ctrl; > + u8 ana_tx_drv_idrv_iup_ctrl; > + u8 ana_tx_drv_accdrv_en; > + u8 ana_tx_drv_accdrv_ctrl; > + u8 tx_drv_pre_lvl_ctrl; > + u8 ana_tx_jeq_en; > + u8 tx_jeq_even_ctrl; > + u8 tx_jeq_odd_ctrl; > +}; > + > enum rk_hdptx_reset { > RST_PHY = 0, > RST_APB, not a full review (yet), but this part conflicts with commit f2dbca169790 ("phy: phy-rockchip-samsung-hdptx: Don't request RST_PHY/RST_ROPLL/RST_LCPLL") [0] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f2dbca169790ea1e436ffdd9ef37d7c3a4401c46
Hi Heiko, On 2024/12/18 20:35, Heiko Stübner wrote: > Hi Damon, > > Am Montag, 16. Dezember 2024, 04:12:18 CET schrieb Damon Ding: >> Add basic support for RBR/HBR/HBR2 link rates, and the voltage swing and >> pre-emphasis configurations of each link rate have been verified according >> to the eDP 1.3 requirements. >> >> Signed-off-by: Damon Ding <damon.ding@rock-chips.com> >> >> --- >> >> Changes in v2: >> - Add the module author >> --- > >> @@ -255,6 +364,19 @@ struct ropll_config { >> u8 cd_tx_ser_rate_sel; >> }; >> >> +struct tx_drv_ctrl { >> + u8 tx_drv_lvl_ctrl; >> + u8 tx_drv_post_lvl_ctrl; >> + u8 ana_tx_drv_idrv_idn_ctrl; >> + u8 ana_tx_drv_idrv_iup_ctrl; >> + u8 ana_tx_drv_accdrv_en; >> + u8 ana_tx_drv_accdrv_ctrl; >> + u8 tx_drv_pre_lvl_ctrl; >> + u8 ana_tx_jeq_en; >> + u8 tx_jeq_even_ctrl; >> + u8 tx_jeq_odd_ctrl; >> +}; >> + >> enum rk_hdptx_reset { >> RST_PHY = 0, >> RST_APB, > > not a full review (yet), but this part conflicts with > commit f2dbca169790 ("phy: phy-rockchip-samsung-hdptx: Don't request RST_PHY/RST_ROPLL/RST_LCPLL") > > [0] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f2dbca169790ea1e436ffdd9ef37d7c3a4401c46 > > > > I will update to the latest Kernel branch and fix this conflict in the next version. Best regards, Damon
diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c index 9f084697dd05..8dd0de267d10 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -25,6 +25,7 @@ #define HDPTX_I_PLL_EN BIT(7) #define HDPTX_I_BIAS_EN BIT(6) #define HDPTX_I_BGR_EN BIT(5) +#define HDPTX_MODE_SEL BIT(0) #define GRF_HDPTX_STATUS 0x80 #define HDPTX_O_PLL_LOCK_DONE BIT(3) #define HDPTX_O_PHY_CLK_RDY BIT(2) @@ -44,6 +45,7 @@ #define LANE_REG(n) HDTPX_REG(n, 0300, 062d) /* CMN_REG(0008) */ +#define OVRD_LCPLL_EN_MASK BIT(7) #define LCPLL_EN_MASK BIT(6) #define LCPLL_LCVCO_MODE_EN_MASK BIT(4) /* CMN_REG(001e) */ @@ -61,49 +63,110 @@ /* CMN_REG(002f) */ #define LCPLL_SDC_DENOMINATOR_MASK GENMASK(7, 2) #define LCPLL_SDC_NDIV_RSTN BIT(0) +/* CMN_REG(003c) */ +#define ANA_LCPLL_RESERVED7_MASK BIT(7) /* CMN_REG(003d) */ +#define OVRD_ROPLL_EN_MASK BIT(7) +#define ROPLL_EN_MASK BIT(6) #define ROPLL_LCVCO_EN BIT(4) +/* CMN_REG(0046) */ +#define ROPLL_ANA_CPP_CTRL_COARSE_MASK GENMASK(7, 4) +#define ROPLL_ANA_CPP_CTRL_FINE_MASK GENMASK(3, 0) +/* CMN_REG(0047) */ +#define ROPLL_ANA_LPF_C_SEL_COARSE_MASK GENMASK(5, 3) +#define ROPLL_ANA_LPF_C_SEL_FINE_MASK GENMASK(2, 0) /* CMN_REG(004e) */ #define ROPLL_PI_EN BIT(5) +/* CMN_REG(0051) */ +#define ROPLL_PMS_MDIV_MASK GENMASK(7, 0) +/* CMN_REG(0055) */ +#define ROPLL_PMS_MDIV_AFC_MASK GENMASK(7, 0) +/* CMN_REG(0059) */ +#define ANA_ROPLL_PMS_PDIV_MASK GENMASK(7, 4) +#define ANA_ROPLL_PMS_REFDIV_MASK GENMASK(3, 0) +/* CMN_REG(005a) */ +#define ROPLL_PMS_SDIV_RBR_MASK GENMASK(7, 4) +#define ROPLL_PMS_SDIV_HBR_MASK GENMASK(3, 0) +/* CMN_REG(005b) */ +#define ROPLL_PMS_SDIV_HBR2_MASK GENMASK(7, 4) /* CMN_REG(005c) */ #define ROPLL_PMS_IQDIV_RSTN BIT(5) /* CMN_REG(005e) */ #define ROPLL_SDM_EN_MASK BIT(6) -#define ROPLL_SDM_FRAC_EN_RBR BIT(3) -#define ROPLL_SDM_FRAC_EN_HBR BIT(2) -#define ROPLL_SDM_FRAC_EN_HBR2 BIT(1) -#define ROPLL_SDM_FRAC_EN_HBR3 BIT(0) +#define OVRD_ROPLL_SDM_RSTN_MASK BIT(5) +#define ROPLL_SDM_RSTN_MASK BIT(4) +#define ROPLL_SDC_FRAC_EN_RBR_MASK BIT(3) +#define ROPLL_SDC_FRAC_EN_HBR_MASK BIT(2) +#define ROPLL_SDC_FRAC_EN_HBR2_MASK BIT(1) +/* CMN_REG(005f) */ +#define OVRD_ROPLL_SDC_RSTN_MASK BIT(5) +#define ROPLL_SDC_RSTN_MASK BIT(4) +/* CMN_REG(0060) */ +#define ROPLL_SDM_DENOMINATOR_MASK GENMASK(7, 0) /* CMN_REG(0064) */ #define ROPLL_SDM_NUM_SIGN_RBR_MASK BIT(3) +#define ROPLL_SDM_NUM_SIGN_HBR_MASK BIT(2) +#define ROPLL_SDM_NUM_SIGN_HBR2_MASK BIT(1) +/* CMN_REG(0065) */ +#define ROPLL_SDM_NUM_MASK GENMASK(7, 0) /* CMN_REG(0069) */ #define ROPLL_SDC_N_RBR_MASK GENMASK(2, 0) +/* CMN_REG(006a) */ +#define ROPLL_SDC_N_HBR_MASK GENMASK(5, 3) +#define ROPLL_SDC_N_HBR2_MASK GENMASK(2, 0) +/* CMN_REG(006b) */ +#define ROPLL_SDC_N_HBR3_MASK GENMASK(3, 1) +/* CMN_REG(006c) */ +#define ROPLL_SDC_NUM_MASK GENMASK(5, 0) +/* cmn_reg0070 */ +#define ROPLL_SDC_DENO_MASK GENMASK(5, 0) /* CMN_REG(0074) */ -#define ROPLL_SDC_NDIV_RSTN BIT(2) -#define ROPLL_SSC_EN BIT(0) +#define OVRD_ROPLL_SDC_NDIV_RSTN_MASK BIT(3) +#define ROPLL_SDC_NDIV_RSTN_MASK BIT(2) +#define OVRD_ROPLL_SSC_EN_MASK BIT(1) +#define ROPLL_SSC_EN_MASK BIT(0) +/* CMN_REG(0075) */ +#define ANA_ROPLL_SSC_FM_DEVIATION_MASK GENMASK(5, 0) +/* CMN_REG(0076) */ +#define ANA_ROPLL_SSC_FM_FREQ_MASK GENMASK(6, 2) +/* CMN_REG(0077) */ +#define ANA_ROPLL_SSC_CLK_DIV_SEL_MASK GENMASK(6, 3) /* CMN_REG(0081) */ -#define OVRD_PLL_CD_CLK_EN BIT(8) -#define PLL_CD_HSCLK_EAST_EN BIT(0) +#define ANA_PLL_CD_TX_SER_RATE_SEL_MASK BIT(3) +#define ANA_PLL_CD_HSCLK_WEST_EN_MASK BIT(1) +#define ANA_PLL_CD_HSCLK_EAST_EN_MASK BIT(0) +/* CMN_REG(0082) */ +#define ANA_PLL_CD_VREG_GAIN_CTRL_MASK GENMASK(3, 0) +/* CMN_REG(0083) */ +#define ANA_PLL_CD_VREG_ICTRL_MASK GENMASK(6, 5) +/* CMN_REG(0084) */ +#define PLL_LCRO_CLK_SEL_MASK BIT(5) +/* CMN_REG(0085) */ +#define ANA_PLL_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0) /* CMN_REG(0086) */ #define PLL_PCG_POSTDIV_SEL_MASK GENMASK(7, 4) #define PLL_PCG_CLK_SEL_MASK GENMASK(3, 1) #define PLL_PCG_CLK_EN BIT(0) /* CMN_REG(0087) */ -#define PLL_FRL_MODE_EN BIT(3) -#define PLL_TX_HS_CLK_EN BIT(2) +#define ANA_PLL_FRL_MODE_EN_MASK BIT(3) +#define ANA_PLL_TX_HS_CLK_EN_MASK BIT(2) /* CMN_REG(0089) */ #define LCPLL_ALONE_MODE BIT(1) +/* CMN_REG(0095) */ +#define DP_TX_LINK_BW_MASK GENMASK(1, 0) /* CMN_REG(0097) */ -#define DIG_CLK_SEL BIT(1) -#define ROPLL_REF BIT(1) -#define LCPLL_REF 0 +#define DIG_CLK_SEL_MASK BIT(1) +#define LCPLL_REF BIT(1) +#define ROPLL_REF 0 /* CMN_REG(0099) */ +#define SSC_EN_MASK GENMASK(7, 6) #define CMN_ROPLL_ALONE_MODE BIT(2) #define ROPLL_ALONE_MODE BIT(2) /* CMN_REG(009a) */ -#define HS_SPEED_SEL BIT(0) +#define HS_SPEED_SEL_MASK BIT(0) #define DIV_10_CLOCK BIT(0) /* CMN_REG(009b) */ -#define IS_SPEED_SEL BIT(4) +#define LS_SPEED_SEL_MASK BIT(4) #define LINK_SYMBOL_CLOCK BIT(4) #define LINK_SYMBOL_CLOCK1_2 0 @@ -118,6 +181,8 @@ /* SB_REG(0104) */ #define OVRD_SB_EN_MASK BIT(5) #define SB_EN_MASK BIT(4) +#define OVRD_SB_AUX_EN_MASK BIT(1) +#define SB_AUX_EN_MASK BIT(0) /* SB_REG(0105) */ #define OVRD_SB_EARC_CMDC_EN_MASK BIT(6) #define SB_EARC_CMDC_EN_MASK BIT(5) @@ -126,6 +191,8 @@ #define ANA_SB_TX_LLVL_PROG_MASK GENMASK(6, 4) /* SB_REG(0109) */ #define ANA_SB_DMRX_AFC_DIV_RATIO_MASK GENMASK(2, 0) +/* SB_REG(010d) */ +#define ANA_SB_DMRX_LPBK_DATA_MASK BIT(4) /* SB_REG(010f) */ #define OVRD_SB_VREG_EN_MASK BIT(7) #define SB_VREG_EN_MASK BIT(6) @@ -133,6 +200,7 @@ #define SB_VREG_LPF_BYPASS_MASK BIT(4) #define ANA_SB_VREG_GAIN_CTRL_MASK GENMASK(3, 0) /* SB_REG(0110) */ +#define ANA_SB_VREG_OUT_SEL_MASK BIT(1) #define ANA_SB_VREG_REF_SEL_MASK BIT(0) /* SB_REG(0113) */ #define SB_RX_RCAL_OPT_CODE_MASK GENMASK(5, 4) @@ -147,13 +215,24 @@ #define AFC_RSTN_DELAY_TIME_MASK GENMASK(6, 4) /* SB_REG(0117) */ #define FAST_PULSE_TIME_MASK GENMASK(3, 0) +/* SB_REG(0118) */ +#define SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK GENMASK(7, 0) +/* SB_REG(011a) */ +#define SB_TG_CNT_RUN_NO_7_0_MASK GENMASK(7, 0) /* SB_REG(011b) */ #define SB_EARC_SIG_DET_BYPASS_MASK BIT(4) #define SB_AFC_TOL_MASK GENMASK(3, 0) +/* SB_REG(011c) */ +#define SB_AFC_STB_NUM_MASK GENMASK(3, 0) +/* SB_REG(011d) */ +#define SB_TG_OSC_CNT_MIN_MASK GENMASK(7, 0) +/* SB_REG(011e) */ +#define SB_TG_OSC_CNT_MAX_MASK GENMASK(7, 0) /* SB_REG(011f) */ #define SB_PWM_AFC_CTRL_MASK GENMASK(7, 2) #define SB_RCAL_RSTN_MASK BIT(1) /* SB_REG(0120) */ +#define SB_AUX_EN_IN_MASK BIT(7) #define SB_EARC_EN_MASK BIT(1) #define SB_EARC_AFC_EN_MASK BIT(2) /* SB_REG(0123) */ @@ -165,35 +244,65 @@ #define HDMI_MODE BIT(2) #define HDMI_TMDS_FRL_SEL BIT(1) /* LNTOP_REG(0206) */ -#define DATA_BUS_SEL BIT(0) +#define DATA_BUS_WIDTH_MASK GENMASK(2, 1) +#define DATA_BUS_WIDTH_SEL_MASK BIT(0) #define DATA_BUS_36_40 BIT(0) /* LNTOP_REG(0207) */ #define LANE_EN 0xf #define ALL_LANE_EN 0xf -/* LANE_REG(0312) */ -#define LN0_TX_SER_RATE_SEL_RBR BIT(5) -#define LN0_TX_SER_RATE_SEL_HBR BIT(4) -#define LN0_TX_SER_RATE_SEL_HBR2 BIT(3) -#define LN0_TX_SER_RATE_SEL_HBR3 BIT(2) -/* LANE_REG(0412) */ -#define LN1_TX_SER_RATE_SEL_RBR BIT(5) -#define LN1_TX_SER_RATE_SEL_HBR BIT(4) -#define LN1_TX_SER_RATE_SEL_HBR2 BIT(3) -#define LN1_TX_SER_RATE_SEL_HBR3 BIT(2) -/* LANE_REG(0512) */ -#define LN2_TX_SER_RATE_SEL_RBR BIT(5) -#define LN2_TX_SER_RATE_SEL_HBR BIT(4) -#define LN2_TX_SER_RATE_SEL_HBR2 BIT(3) -#define LN2_TX_SER_RATE_SEL_HBR3 BIT(2) -/* LANE_REG(0612) */ -#define LN3_TX_SER_RATE_SEL_RBR BIT(5) -#define LN3_TX_SER_RATE_SEL_HBR BIT(4) -#define LN3_TX_SER_RATE_SEL_HBR2 BIT(3) -#define LN3_TX_SER_RATE_SEL_HBR3 BIT(2) +/* LANE_REG(0301) */ +#define OVRD_LN_TX_DRV_EI_EN_MASK BIT(7) +#define LN_TX_DRV_EI_EN_MASK BIT(6) +/* LANE_REG(0303) */ +#define OVRD_LN_TX_DRV_LVL_CTRL_MASK BIT(5) +#define LN_TX_DRV_LVL_CTRL_MASK GENMASK(4, 0) +/* LANE_REG(0304) */ +#define OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK BIT(4) +#define LN_TX_DRV_POST_LVL_CTRL_MASK GENMASK(3, 0) +/* LANE_REG(0305) */ +#define OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK BIT(6) +#define LN_TX_DRV_PRE_LVL_CTRL_MASK GENMASK(5, 2) +/* LANE_REG(0306) */ +#define LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK GENMASK(7, 5) +#define LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK GENMASK(4, 2) +#define LN_ANA_TX_DRV_ACCDRV_EN_MASK BIT(0) +/* LANE_REG(0307) */ +#define LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK BIT(6) +#define LN_ANA_TX_DRV_ACCDRV_CTRL_MASK GENMASK(5, 3) +/* LANE_REG(030a) */ +#define LN_ANA_TX_JEQ_EN_MASK BIT(4) +#define LN_TX_JEQ_EVEN_CTRL_RBR_MASK GENMASK(3, 0) +/* LANE_REG(030b) */ +#define LN_TX_JEQ_EVEN_CTRL_HBR_MASK GENMASK(7, 4) +#define LN_TX_JEQ_EVEN_CTRL_HBR2_MASK GENMASK(3, 0) +/* LANE_REG(030c) */ +#define LN_TX_JEQ_ODD_CTRL_RBR_MASK GENMASK(3, 0) +/* LANE_REG(030d) */ +#define LN_TX_JEQ_ODD_CTRL_HBR_MASK GENMASK(7, 4) +#define LN_TX_JEQ_ODD_CTRL_HBR2_MASK GENMASK(3, 0) +/* LANE_REG(0310) */ +#define LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0) +/* LANE_REG(0311) */ +#define LN_TX_SER_40BIT_EN_RBR_MASK BIT(3) +#define LN_TX_SER_40BIT_EN_HBR_MASK BIT(2) +#define LN_TX_SER_40BIT_EN_HBR2_MASK BIT(1) +/* LANE_REG(0316) */ +#define LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK GENMASK(3, 0) +/* LANE_REG(031B) */ +#define LN_ANA_TX_RESERVED_MASK GENMASK(7, 0) +/* LANE_REG(031e) */ +#define LN_POLARITY_INV_MASK BIT(2) +#define LN_LANE_MODE_MASK BIT(1) #define HDMI20_MAX_RATE 600000000 +enum dp_link_rate { + DP_BW_RBR, + DP_BW_HBR, + DP_BW_HBR2, +}; + struct lcpll_config { u32 bit_rate; u8 lcvco_mode_en; @@ -255,6 +364,19 @@ struct ropll_config { u8 cd_tx_ser_rate_sel; }; +struct tx_drv_ctrl { + u8 tx_drv_lvl_ctrl; + u8 tx_drv_post_lvl_ctrl; + u8 ana_tx_drv_idrv_idn_ctrl; + u8 ana_tx_drv_idrv_iup_ctrl; + u8 ana_tx_drv_accdrv_en; + u8 ana_tx_drv_accdrv_ctrl; + u8 tx_drv_pre_lvl_ctrl; + u8 ana_tx_jeq_en; + u8 tx_jeq_even_ctrl; + u8 tx_jeq_odd_ctrl; +}; + enum rk_hdptx_reset { RST_PHY = 0, RST_APB, @@ -560,6 +682,90 @@ static const struct reg_sequence rk_hdtpx_tmds_lane_init_seq[] = { REG_SEQ0(LANE_REG(0606), 0x1c), }; +static struct tx_drv_ctrl tx_drv_ctrl_rbr[4][4] = { + /* voltage swing 0, pre-emphasis 0->3 */ + { + { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0x4, 0x3, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0x7, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 1, pre-emphasis 0->2 */ + { + { 0x4, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0x9, 0x5, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 2, pre-emphasis 0->1 */ + { + { 0x8, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0xc, 0x5, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 3, pre-emphasis 0 */ + { + { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, + } +}; + +static struct tx_drv_ctrl tx_drv_ctrl_hbr[4][4] = { + /* voltage swing 0, pre-emphasis 0->3 */ + { + { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0x9, 0x8, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 1, pre-emphasis 0->2 */ + { + { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0xa, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 2, pre-emphasis 0->1 */ + { + { 0x9, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0xd, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 3, pre-emphasis 0 */ + { + { 0xc, 0x1, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, + } +}; + +static struct tx_drv_ctrl tx_drv_ctrl_hbr2[4][4] = { + /* voltage swing 0, pre-emphasis 0->3 */ + { + { 0x2, 0x1, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0x9, 0x8, 0x4, 0x6, 0x1, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 1, pre-emphasis 0->2 */ + { + { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0xb, 0x7, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 }, + { 0xd, 0x9, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 2, pre-emphasis 0->1 */ + { + { 0x8, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 }, + { 0xc, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 }, + }, + + /* voltage swing 3, pre-emphasis 0 */ + { + { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 }, + } +}; + static bool rk_hdptx_phy_is_rw_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -911,11 +1117,297 @@ static int rk_hdptx_phy_consumer_put(struct rk_hdptx_phy *hdptx, bool force) return ret; } +static void rk_hdptx_dp_reset(struct rk_hdptx_phy *hdptx) +{ + reset_control_assert(hdptx->rsts[RST_LANE].rstc); + reset_control_assert(hdptx->rsts[RST_CMN].rstc); + reset_control_assert(hdptx->rsts[RST_INIT].rstc); + + reset_control_assert(hdptx->rsts[RST_APB].rstc); + udelay(10); + reset_control_deassert(hdptx->rsts[RST_APB].rstc); + + regmap_update_bits(hdptx->regmap, LANE_REG(0301), + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); + regmap_update_bits(hdptx->regmap, LANE_REG(0401), + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); + regmap_update_bits(hdptx->regmap, LANE_REG(0501), + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); + regmap_update_bits(hdptx->regmap, LANE_REG(0601), + OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK, + FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) | + FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0)); + + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x0)); + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x0)); +} + +static void rk_hdptx_dp_pll_init(struct rk_hdptx_phy *hdptx) +{ + regmap_update_bits(hdptx->regmap, CMN_REG(003c), ANA_LCPLL_RESERVED7_MASK, + FIELD_PREP(ANA_LCPLL_RESERVED7_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0046), + ROPLL_ANA_CPP_CTRL_COARSE_MASK | ROPLL_ANA_CPP_CTRL_FINE_MASK, + FIELD_PREP(ROPLL_ANA_CPP_CTRL_COARSE_MASK, 0xe) | + FIELD_PREP(ROPLL_ANA_CPP_CTRL_FINE_MASK, 0xe)); + regmap_update_bits(hdptx->regmap, CMN_REG(0047), + ROPLL_ANA_LPF_C_SEL_COARSE_MASK | + ROPLL_ANA_LPF_C_SEL_FINE_MASK, + FIELD_PREP(ROPLL_ANA_LPF_C_SEL_COARSE_MASK, 0x4) | + FIELD_PREP(ROPLL_ANA_LPF_C_SEL_FINE_MASK, 0x4)); + + regmap_write(hdptx->regmap, CMN_REG(0051), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x87)); + regmap_write(hdptx->regmap, CMN_REG(0052), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71)); + regmap_write(hdptx->regmap, CMN_REG(0053), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71)); + + regmap_write(hdptx->regmap, CMN_REG(0055), + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x87)); + regmap_write(hdptx->regmap, CMN_REG(0056), + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71)); + regmap_write(hdptx->regmap, CMN_REG(0057), + FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71)); + + regmap_write(hdptx->regmap, CMN_REG(0059), + FIELD_PREP(ANA_ROPLL_PMS_PDIV_MASK, 0x1) | + FIELD_PREP(ANA_ROPLL_PMS_REFDIV_MASK, 0x1)); + regmap_write(hdptx->regmap, CMN_REG(005a), + FIELD_PREP(ROPLL_PMS_SDIV_RBR_MASK, 0x3) | + FIELD_PREP(ROPLL_PMS_SDIV_HBR_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(005b), ROPLL_PMS_SDIV_HBR2_MASK, + FIELD_PREP(ROPLL_PMS_SDIV_HBR2_MASK, 0x0)); + + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDM_EN_MASK, + FIELD_PREP(ROPLL_SDM_EN_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(005e), + OVRD_ROPLL_SDM_RSTN_MASK | ROPLL_SDM_RSTN_MASK, + FIELD_PREP(OVRD_ROPLL_SDM_RSTN_MASK, 0x1) | + FIELD_PREP(ROPLL_SDM_RSTN_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_RBR_MASK, + FIELD_PREP(ROPLL_SDC_FRAC_EN_RBR_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR_MASK, + FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR2_MASK, + FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR2_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, CMN_REG(005f), + OVRD_ROPLL_SDC_RSTN_MASK | ROPLL_SDC_RSTN_MASK, + FIELD_PREP(OVRD_ROPLL_SDC_RSTN_MASK, 0x1) | + FIELD_PREP(ROPLL_SDC_RSTN_MASK, 0x1)); + regmap_write(hdptx->regmap, CMN_REG(0060), + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x21)); + regmap_write(hdptx->regmap, CMN_REG(0061), + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27)); + regmap_write(hdptx->regmap, CMN_REG(0062), + FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0064), + ROPLL_SDM_NUM_SIGN_RBR_MASK | + ROPLL_SDM_NUM_SIGN_HBR_MASK | + ROPLL_SDM_NUM_SIGN_HBR2_MASK, + FIELD_PREP(ROPLL_SDM_NUM_SIGN_RBR_MASK, 0x0) | + FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR_MASK, 0x1) | + FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR2_MASK, 0x1)); + regmap_write(hdptx->regmap, CMN_REG(0065), + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0x0)); + regmap_write(hdptx->regmap, CMN_REG(0066), + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd)); + regmap_write(hdptx->regmap, CMN_REG(0067), + FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0069), ROPLL_SDC_N_RBR_MASK, + FIELD_PREP(ROPLL_SDC_N_RBR_MASK, 0x2)); + + regmap_update_bits(hdptx->regmap, CMN_REG(006a), + ROPLL_SDC_N_HBR_MASK | ROPLL_SDC_N_HBR2_MASK, + FIELD_PREP(ROPLL_SDC_N_HBR_MASK, 0x1) | + FIELD_PREP(ROPLL_SDC_N_HBR2_MASK, 0x1)); + + regmap_write(hdptx->regmap, CMN_REG(006c), + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x3)); + regmap_write(hdptx->regmap, CMN_REG(006d), + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7)); + regmap_write(hdptx->regmap, CMN_REG(006e), + FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7)); + + regmap_write(hdptx->regmap, CMN_REG(0070), + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x8)); + regmap_write(hdptx->regmap, CMN_REG(0071), + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18)); + regmap_write(hdptx->regmap, CMN_REG(0072), + FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0074), + OVRD_ROPLL_SDC_NDIV_RSTN_MASK | ROPLL_SDC_NDIV_RSTN_MASK, + FIELD_PREP(OVRD_ROPLL_SDC_NDIV_RSTN_MASK, 0x1) | + FIELD_PREP(ROPLL_SDC_NDIV_RSTN_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0077), ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, + FIELD_PREP(ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0081), ANA_PLL_CD_TX_SER_RATE_SEL_MASK, + FIELD_PREP(ANA_PLL_CD_TX_SER_RATE_SEL_MASK, 0x0)); + regmap_update_bits(hdptx->regmap, CMN_REG(0081), + ANA_PLL_CD_HSCLK_EAST_EN_MASK | ANA_PLL_CD_HSCLK_WEST_EN_MASK, + FIELD_PREP(ANA_PLL_CD_HSCLK_EAST_EN_MASK, 0x1) | + FIELD_PREP(ANA_PLL_CD_HSCLK_WEST_EN_MASK, 0x0)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0082), ANA_PLL_CD_VREG_GAIN_CTRL_MASK, + FIELD_PREP(ANA_PLL_CD_VREG_GAIN_CTRL_MASK, 0x4)); + regmap_update_bits(hdptx->regmap, CMN_REG(0083), ANA_PLL_CD_VREG_ICTRL_MASK, + FIELD_PREP(ANA_PLL_CD_VREG_ICTRL_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(0084), PLL_LCRO_CLK_SEL_MASK, + FIELD_PREP(PLL_LCRO_CLK_SEL_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(0085), ANA_PLL_SYNC_LOSS_DET_MODE_MASK, + FIELD_PREP(ANA_PLL_SYNC_LOSS_DET_MODE_MASK, 0x3)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0087), ANA_PLL_TX_HS_CLK_EN_MASK, + FIELD_PREP(ANA_PLL_TX_HS_CLK_EN_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0097), DIG_CLK_SEL_MASK, + FIELD_PREP(DIG_CLK_SEL_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0099), CMN_ROPLL_ALONE_MODE, + FIELD_PREP(CMN_ROPLL_ALONE_MODE, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(009a), HS_SPEED_SEL_MASK, + FIELD_PREP(HS_SPEED_SEL_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, CMN_REG(009b), LS_SPEED_SEL_MASK, + FIELD_PREP(LS_SPEED_SEL_MASK, 0x1)); +} + +static int rk_hdptx_dp_aux_init(struct rk_hdptx_phy *hdptx) +{ + u32 status; + int ret; + + regmap_update_bits(hdptx->regmap, SB_REG(0102), ANA_SB_RXTERM_OFFSP_MASK, + FIELD_PREP(ANA_SB_RXTERM_OFFSP_MASK, 0x3)); + regmap_update_bits(hdptx->regmap, SB_REG(0103), ANA_SB_RXTERM_OFFSN_MASK, + FIELD_PREP(ANA_SB_RXTERM_OFFSN_MASK, 0x3)); + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK, + FIELD_PREP(SB_AUX_EN_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, SB_REG(0105), ANA_SB_TX_HLVL_PROG_MASK, + FIELD_PREP(ANA_SB_TX_HLVL_PROG_MASK, 0x7)); + regmap_update_bits(hdptx->regmap, SB_REG(0106), ANA_SB_TX_LLVL_PROG_MASK, + FIELD_PREP(ANA_SB_TX_LLVL_PROG_MASK, 0x7)); + + regmap_update_bits(hdptx->regmap, SB_REG(010d), ANA_SB_DMRX_LPBK_DATA_MASK, + FIELD_PREP(ANA_SB_DMRX_LPBK_DATA_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, SB_REG(010f), ANA_SB_VREG_GAIN_CTRL_MASK, + FIELD_PREP(ANA_SB_VREG_GAIN_CTRL_MASK, 0x0)); + regmap_update_bits(hdptx->regmap, SB_REG(0110), + ANA_SB_VREG_OUT_SEL_MASK | ANA_SB_VREG_REF_SEL_MASK, + FIELD_PREP(ANA_SB_VREG_OUT_SEL_MASK, 0x1) | + FIELD_PREP(ANA_SB_VREG_REF_SEL_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, SB_REG(0113), + SB_RX_RCAL_OPT_CODE_MASK | SB_RX_RTERM_CTRL_MASK, + FIELD_PREP(SB_RX_RCAL_OPT_CODE_MASK, 0x1) | + FIELD_PREP(SB_RX_RTERM_CTRL_MASK, 0x3)); + regmap_update_bits(hdptx->regmap, SB_REG(0114), + SB_TG_SB_EN_DELAY_TIME_MASK | SB_TG_RXTERM_EN_DELAY_TIME_MASK, + FIELD_PREP(SB_TG_SB_EN_DELAY_TIME_MASK, 0x2) | + FIELD_PREP(SB_TG_RXTERM_EN_DELAY_TIME_MASK, 0x2)); + regmap_update_bits(hdptx->regmap, SB_REG(0115), + SB_READY_DELAY_TIME_MASK | SB_TG_OSC_EN_DELAY_TIME_MASK, + FIELD_PREP(SB_READY_DELAY_TIME_MASK, 0x2) | + FIELD_PREP(SB_TG_OSC_EN_DELAY_TIME_MASK, 0x2)); + regmap_update_bits(hdptx->regmap, SB_REG(0116), + AFC_RSTN_DELAY_TIME_MASK, + FIELD_PREP(AFC_RSTN_DELAY_TIME_MASK, 0x2)); + regmap_update_bits(hdptx->regmap, SB_REG(0117), + FAST_PULSE_TIME_MASK, + FIELD_PREP(FAST_PULSE_TIME_MASK, 0x4)); + regmap_update_bits(hdptx->regmap, SB_REG(0118), + SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, + FIELD_PREP(SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, 0xa)); + + regmap_update_bits(hdptx->regmap, SB_REG(011a), SB_TG_CNT_RUN_NO_7_0_MASK, + FIELD_PREP(SB_TG_CNT_RUN_NO_7_0_MASK, 0x3)); + regmap_update_bits(hdptx->regmap, SB_REG(011b), + SB_EARC_SIG_DET_BYPASS_MASK | SB_AFC_TOL_MASK, + FIELD_PREP(SB_EARC_SIG_DET_BYPASS_MASK, 0x1) | + FIELD_PREP(SB_AFC_TOL_MASK, 0x3)); + regmap_update_bits(hdptx->regmap, SB_REG(011c), SB_AFC_STB_NUM_MASK, + FIELD_PREP(SB_AFC_STB_NUM_MASK, 0x4)); + regmap_update_bits(hdptx->regmap, SB_REG(011d), SB_TG_OSC_CNT_MIN_MASK, + FIELD_PREP(SB_TG_OSC_CNT_MIN_MASK, 0x67)); + regmap_update_bits(hdptx->regmap, SB_REG(011e), SB_TG_OSC_CNT_MAX_MASK, + FIELD_PREP(SB_TG_OSC_CNT_MAX_MASK, 0x6a)); + regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_PWM_AFC_CTRL_MASK, + FIELD_PREP(SB_PWM_AFC_CTRL_MASK, 0x5)); + regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_RCAL_RSTN_MASK, + FIELD_PREP(SB_RCAL_RSTN_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, SB_REG(0120), SB_AUX_EN_IN_MASK, + FIELD_PREP(SB_AUX_EN_IN_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, SB_REG(0102), OVRD_SB_RXTERM_EN_MASK, + FIELD_PREP(OVRD_SB_RXTERM_EN_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK, + FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_EN_MASK, + FIELD_PREP(OVRD_SB_EN_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_AUX_EN_MASK, + FIELD_PREP(OVRD_SB_AUX_EN_MASK, 0x1)); + + regmap_update_bits(hdptx->regmap, SB_REG(010f), OVRD_SB_VREG_EN_MASK, + FIELD_PREP(OVRD_SB_VREG_EN_MASK, 0x1)); + + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x1)); + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x1)); + usleep_range(20, 25); + + reset_control_deassert(hdptx->rsts[RST_INIT].rstc); + usleep_range(20, 25); + reset_control_deassert(hdptx->rsts[RST_CMN].rstc); + usleep_range(20, 25); + + regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK, + FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1)); + usleep_range(100, 110); + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_EN_MASK, + FIELD_PREP(SB_EN_MASK, 0x1)); + usleep_range(100, 110); + regmap_update_bits(hdptx->regmap, SB_REG(0102), SB_RXTERM_EN_MASK, + FIELD_PREP(SB_RXTERM_EN_MASK, 0x1)); + usleep_range(20, 25); + regmap_update_bits(hdptx->regmap, SB_REG(010f), SB_VREG_EN_MASK, + FIELD_PREP(SB_VREG_EN_MASK, 0x1)); + usleep_range(20, 25); + regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK, + FIELD_PREP(SB_AUX_EN_MASK, 0x1)); + usleep_range(100, 110); + + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, + status, FIELD_GET(HDPTX_O_SB_RDY, status), + 50, 1000); + if (ret) { + dev_err(hdptx->dev, "Failed to get phy sb ready: %d\n", ret); + return ret; + } + + return 0; +} + static int rk_hdptx_phy_power_on(struct phy *phy) { struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); int bus_width = phy_get_bus_width(hdptx->phy); - int ret; + enum phy_mode mode = phy_get_mode(phy); + int ret, lane; /* * FIXME: Temporary workaround to pass pixel_clk_rate @@ -927,13 +1419,43 @@ static int rk_hdptx_phy_power_on(struct phy *phy) dev_dbg(hdptx->dev, "%s bus_width=%x rate=%u\n", __func__, bus_width, rate); - ret = rk_hdptx_phy_consumer_get(hdptx, rate); - if (ret) - return ret; + if (mode == PHY_MODE_DP) { + rk_hdptx_dp_reset(hdptx); - ret = rk_hdptx_ropll_tmds_mode_config(hdptx, rate); - if (ret) - rk_hdptx_phy_consumer_put(hdptx, true); + for (lane = 0; lane < 4; lane++) { + regmap_update_bits(hdptx->regmap, LANE_REG(031e) + 0x400 * lane, + LN_POLARITY_INV_MASK | LN_LANE_MODE_MASK, + FIELD_PREP(LN_POLARITY_INV_MASK, 0) | + FIELD_PREP(LN_LANE_MODE_MASK, 1)); + } + + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x1)); + + regmap_update_bits(hdptx->regmap, LNTOP_REG(0200), PROTOCOL_SEL, + FIELD_PREP(PROTOCOL_SEL, 0x0)); + regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_MASK, + FIELD_PREP(DATA_BUS_WIDTH_MASK, 0x1)); + regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_SEL_MASK, + FIELD_PREP(DATA_BUS_WIDTH_SEL_MASK, 0x0)); + + rk_hdptx_dp_pll_init(hdptx); + + ret = rk_hdptx_dp_aux_init(hdptx); + if (ret) + pm_runtime_put(hdptx->dev); + } else { + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x0)); + + ret = rk_hdptx_phy_consumer_get(hdptx, rate); + if (ret) + return ret; + + ret = rk_hdptx_ropll_tmds_mode_config(hdptx, rate); + if (ret) + rk_hdptx_phy_consumer_put(hdptx, true); + } return ret; } @@ -945,9 +1467,337 @@ static int rk_hdptx_phy_power_off(struct phy *phy) return rk_hdptx_phy_consumer_put(hdptx, false); } +static int rk_hdptx_phy_set_mode(struct phy *phy, enum phy_mode mode, + int submode) +{ + return 0; +} + +static int rk_hdptx_phy_verify_config(struct rk_hdptx_phy *hdptx, + struct phy_configure_opts_dp *dp) +{ + int i; + + if (dp->set_rate) { + switch (dp->link_rate) { + case 1620: + case 2700: + case 5400: + break; + default: + return -EINVAL; + } + } + + if (dp->set_lanes) { + switch (dp->lanes) { + case 0: + case 1: + case 2: + case 4: + break; + default: + return -EINVAL; + } + } + + if (dp->set_voltages) { + for (i = 0; i < dp->lanes; i++) { + if (dp->voltage[i] > 3 || dp->pre[i] > 3) + return -EINVAL; + + if (dp->voltage[i] + dp->pre[i] > 3) + return -EINVAL; + } + } + + return 0; +} + +static int rk_hdptx_phy_set_rate(struct rk_hdptx_phy *hdptx, + struct phy_configure_opts_dp *dp) +{ + u32 bw, status; + int ret; + + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); + + switch (dp->link_rate) { + case 1620: + bw = DP_BW_RBR; + break; + case 2700: + bw = DP_BW_HBR; + break; + case 5400: + bw = DP_BW_HBR2; + break; + default: + return -EINVAL; + } + + regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK, + FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) | + FIELD_PREP(LCPLL_EN_MASK, 0x0)); + + regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK, + FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) | + FIELD_PREP(ROPLL_EN_MASK, 0x1)); + + if (dp->ssc) { + regmap_update_bits(hdptx->regmap, CMN_REG(0074), + OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK, + FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) | + FIELD_PREP(ROPLL_SSC_EN_MASK, 0x1)); + regmap_write(hdptx->regmap, CMN_REG(0075), + FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0xc)); + regmap_update_bits(hdptx->regmap, CMN_REG(0076), + ANA_ROPLL_SSC_FM_FREQ_MASK, + FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0x1f)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK, + FIELD_PREP(SSC_EN_MASK, 0x2)); + } else { + regmap_update_bits(hdptx->regmap, CMN_REG(0074), + OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK, + FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) | + FIELD_PREP(ROPLL_SSC_EN_MASK, 0x0)); + regmap_write(hdptx->regmap, CMN_REG(0075), + FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0x20)); + regmap_update_bits(hdptx->regmap, CMN_REG(0076), + ANA_ROPLL_SSC_FM_FREQ_MASK, + FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0xc)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK, + FIELD_PREP(SSC_EN_MASK, 0x0)); + } + + regmap_update_bits(hdptx->regmap, CMN_REG(0095), DP_TX_LINK_BW_MASK, + FIELD_PREP(DP_TX_LINK_BW_MASK, bw)); + + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x1)); + + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, + status, FIELD_GET(HDPTX_O_PLL_LOCK_DONE, status), + 50, 1000); + if (ret) { + dev_err(hdptx->dev, "Failed to get phy pll lock: %d\n", ret); + return ret; + } + + return 0; +} + +static void rk_hdptx_phy_lane_disable(struct rk_hdptx_phy *hdptx) +{ + reset_control_assert(hdptx->rsts[RST_LANE].rstc); + + regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN, + FIELD_PREP(LANE_EN, 0x0)); + + regmap_write(hdptx->grf, GRF_HDPTX_CON0, + HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0)); + + regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK, + FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) | + FIELD_PREP(LCPLL_EN_MASK, 0x0)); + + regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK, + FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) | + FIELD_PREP(ROPLL_EN_MASK, 0x0)); +} + +static int rk_hdptx_phy_set_lanes(struct rk_hdptx_phy *hdptx, + struct phy_configure_opts_dp *dp) +{ + if (!dp->lanes) { + rk_hdptx_phy_lane_disable(hdptx); + return 0; + } + + regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN, + FIELD_PREP(LANE_EN, GENMASK(dp->lanes - 1, 0))); + + return 0; +} + +static void rk_hdptx_phy_set_voltage(struct rk_hdptx_phy *hdptx, + struct phy_configure_opts_dp *dp, + u8 lane) +{ + const struct tx_drv_ctrl *ctrl; + u32 offset = lane * 0x400; + + switch (dp->link_rate) { + case 1620: + ctrl = &tx_drv_ctrl_rbr[dp->voltage[lane]][dp->pre[lane]]; + regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset, + LN_TX_JEQ_EVEN_CTRL_RBR_MASK, + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_RBR_MASK, + ctrl->tx_jeq_even_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(030c) + offset, + LN_TX_JEQ_ODD_CTRL_RBR_MASK, + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_RBR_MASK, + ctrl->tx_jeq_odd_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, + LN_TX_SER_40BIT_EN_RBR_MASK, + FIELD_PREP(LN_TX_SER_40BIT_EN_RBR_MASK, 0x1)); + break; + case 2700: + ctrl = &tx_drv_ctrl_hbr[dp->voltage[lane]][dp->pre[lane]]; + regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset, + LN_TX_JEQ_EVEN_CTRL_HBR_MASK, + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR_MASK, + ctrl->tx_jeq_even_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset, + LN_TX_JEQ_ODD_CTRL_HBR_MASK, + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR_MASK, + ctrl->tx_jeq_odd_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, + LN_TX_SER_40BIT_EN_HBR_MASK, + FIELD_PREP(LN_TX_SER_40BIT_EN_HBR_MASK, 0x1)); + break; + case 5400: + default: + ctrl = &tx_drv_ctrl_hbr2[dp->voltage[lane]][dp->pre[lane]]; + regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset, + LN_TX_JEQ_EVEN_CTRL_HBR2_MASK, + FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR2_MASK, + ctrl->tx_jeq_even_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset, + LN_TX_JEQ_ODD_CTRL_HBR2_MASK, + FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR2_MASK, + ctrl->tx_jeq_odd_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset, + LN_TX_SER_40BIT_EN_HBR2_MASK, + FIELD_PREP(LN_TX_SER_40BIT_EN_HBR2_MASK, 0x1)); + break; + } + + regmap_update_bits(hdptx->regmap, LANE_REG(0303) + offset, + OVRD_LN_TX_DRV_LVL_CTRL_MASK | LN_TX_DRV_LVL_CTRL_MASK, + FIELD_PREP(OVRD_LN_TX_DRV_LVL_CTRL_MASK, 0x1) | + FIELD_PREP(LN_TX_DRV_LVL_CTRL_MASK, + ctrl->tx_drv_lvl_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(0304) + offset, + OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK | + LN_TX_DRV_POST_LVL_CTRL_MASK, + FIELD_PREP(OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK, 0x1) | + FIELD_PREP(LN_TX_DRV_POST_LVL_CTRL_MASK, + ctrl->tx_drv_post_lvl_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(0305) + offset, + OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK | + LN_TX_DRV_PRE_LVL_CTRL_MASK, + FIELD_PREP(OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK, 0x1) | + FIELD_PREP(LN_TX_DRV_PRE_LVL_CTRL_MASK, + ctrl->tx_drv_pre_lvl_ctrl)); + regmap_update_bits(hdptx->regmap, LANE_REG(0306) + offset, + LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK | + LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK | + LN_ANA_TX_DRV_ACCDRV_EN_MASK, + FIELD_PREP(LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK, + ctrl->ana_tx_drv_idrv_idn_ctrl) | + FIELD_PREP(LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK, + ctrl->ana_tx_drv_idrv_iup_ctrl) | + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_EN_MASK, + ctrl->ana_tx_drv_accdrv_en)); + regmap_update_bits(hdptx->regmap, LANE_REG(0307) + offset, + LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK | + LN_ANA_TX_DRV_ACCDRV_CTRL_MASK, + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK, 0x1) | + FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_CTRL_MASK, + ctrl->ana_tx_drv_accdrv_ctrl)); + + regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset, + LN_ANA_TX_JEQ_EN_MASK, + FIELD_PREP(LN_ANA_TX_JEQ_EN_MASK, ctrl->ana_tx_jeq_en)); + + regmap_update_bits(hdptx->regmap, LANE_REG(0310) + offset, + LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, + FIELD_PREP(LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, 0x3)); + + regmap_update_bits(hdptx->regmap, LANE_REG(0316) + offset, + LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, + FIELD_PREP(LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, 0x2)); + + regmap_update_bits(hdptx->regmap, LANE_REG(031b) + offset, + LN_ANA_TX_RESERVED_MASK, + FIELD_PREP(LN_ANA_TX_RESERVED_MASK, 0x1)); +} + +static int rk_hdptx_phy_set_voltages(struct rk_hdptx_phy *hdptx, + struct phy_configure_opts_dp *dp) +{ + u8 lane; + u32 status; + int ret; + + for (lane = 0; lane < dp->lanes; lane++) + rk_hdptx_phy_set_voltage(hdptx, dp, lane); + + reset_control_deassert(hdptx->rsts[RST_LANE].rstc); + + ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, + status, FIELD_GET(HDPTX_O_PHY_RDY, status), + 50, 5000); + if (ret) { + dev_err(hdptx->dev, "Failed to get phy ready: %d\n", ret); + return ret; + } + + return 0; +} + +static int rk_hdptx_phy_configure(struct phy *phy, union phy_configure_opts *opts) +{ + struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); + enum phy_mode mode = phy_get_mode(phy); + int ret; + + if (mode != PHY_MODE_DP) + return -EINVAL; + + ret = rk_hdptx_phy_verify_config(hdptx, &opts->dp); + if (ret) { + dev_err(hdptx->dev, "invalid params for phy configure\n"); + return ret; + } + + if (opts->dp.set_rate) { + ret = rk_hdptx_phy_set_rate(hdptx, &opts->dp); + if (ret) { + dev_err(hdptx->dev, "failed to set rate: %d\n", ret); + return ret; + } + } + + if (opts->dp.set_lanes) { + ret = rk_hdptx_phy_set_lanes(hdptx, &opts->dp); + if (ret) { + dev_err(hdptx->dev, "failed to set lanes: %d\n", ret); + return ret; + } + } + + if (opts->dp.set_voltages) { + ret = rk_hdptx_phy_set_voltages(hdptx, &opts->dp); + if (ret) { + dev_err(hdptx->dev, "failed to set voltages: %d\n", + ret); + return ret; + } + } + + return 0; +} + static const struct phy_ops rk_hdptx_phy_ops = { .power_on = rk_hdptx_phy_power_on, .power_off = rk_hdptx_phy_power_off, + .set_mode = rk_hdptx_phy_set_mode, + .configure = rk_hdptx_phy_configure, .owner = THIS_MODULE, }; @@ -1164,5 +2014,6 @@ module_platform_driver(rk_hdptx_phy_driver); MODULE_AUTHOR("Algea Cao <algea.cao@rock-chips.com>"); MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@collabora.com>"); +MODULE_AUTHOR("Damon Ding <damon.ding@rock-chips.com>"); MODULE_DESCRIPTION("Samsung HDMI/eDP Transmitter Combo PHY Driver"); MODULE_LICENSE("GPL");
Add basic support for RBR/HBR/HBR2 link rates, and the voltage swing and pre-emphasis configurations of each link rate have been verified according to the eDP 1.3 requirements. Signed-off-by: Damon Ding <damon.ding@rock-chips.com> --- Changes in v2: - Add the module author --- .../phy/rockchip/phy-rockchip-samsung-hdptx.c | 937 +++++++++++++++++- 1 file changed, 894 insertions(+), 43 deletions(-)