| From 1433ad0f114ec80b524768af8ec96e09a5bba9b2 Mon Sep 17 00:00:00 2001 |
| From: Sandor Yu <Sandor.yu@nxp.com> |
| Date: Fri, 23 Aug 2019 14:05:16 +0800 |
| Subject: [PATCH] gpu: drm: Add imx8qm/mq DP/HDMI driver |
| |
| Add imx8qm/mq DP/hdmi driver |
| |
| Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> |
| --- |
| drivers/gpu/drm/imx/Kconfig | 9 + |
| drivers/gpu/drm/imx/Makefile | 1 + |
| drivers/gpu/drm/imx/cdn-mhdp-dp-phy.c | 533 ++++++++++++++++++++++++ |
| drivers/gpu/drm/imx/cdn-mhdp-hdmi-phy.c | 684 ++++++++++++++++++++++++++++++ |
| drivers/gpu/drm/imx/cdn-mhdp-imx8mq.c | 163 ++++++++ |
| drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c | 714 ++++++++++++++++++++++++++++++++ |
| drivers/gpu/drm/imx/cdn-mhdp-phy.h | 153 +++++++ |
| 7 files changed, 2257 insertions(+) |
| create mode 100644 drivers/gpu/drm/imx/cdn-mhdp-dp-phy.c |
| create mode 100644 drivers/gpu/drm/imx/cdn-mhdp-hdmi-phy.c |
| create mode 100644 drivers/gpu/drm/imx/cdn-mhdp-imx8mq.c |
| create mode 100644 drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c |
| create mode 100644 drivers/gpu/drm/imx/cdn-mhdp-phy.h |
| |
| --- a/drivers/gpu/drm/imx/Kconfig |
| +++ b/drivers/gpu/drm/imx/Kconfig |
| @@ -39,3 +39,12 @@ config DRM_IMX_HDMI |
| depends on DRM_IMX |
| help |
| Choose this if you want to use HDMI on i.MX6. |
| + |
| +config DRM_IMX_CDNS_MHDP |
| + tristate "NXP i.MX MX8 DRM HDMI/DP" |
| + select DRM_CDNS_MHDP |
| + select DRM_CDNS_DP |
| + select DRM_CDNS_HDMI |
| + depends on DRM_IMX |
| + help |
| + Choose this if you want to use HDMI on i.MX8. |
| --- a/drivers/gpu/drm/imx/Makefile |
| +++ b/drivers/gpu/drm/imx/Makefile |
| @@ -9,3 +9,4 @@ obj-$(CONFIG_DRM_IMX_TVE) += imx-tve.o |
| obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o |
| |
| obj-$(CONFIG_DRM_IMX_HDMI) += dw_hdmi-imx.o |
| +obj-$(CONFIG_DRM_IMX_CDNS_MHDP) += cdn-mhdp-imx8qm.o cdn-mhdp-imx8mq.o cdn-mhdp-dp-phy.o cdn-mhdp-hdmi-phy.o |
| --- /dev/null |
| +++ b/drivers/gpu/drm/imx/cdn-mhdp-dp-phy.c |
| @@ -0,0 +1,533 @@ |
| +/* |
| + * Cadence Display Port Interface (DP) PHY driver |
| + * |
| + * Copyright (C) 2019 NXP Semiconductor, Inc. |
| + * |
| + * This program is free software; you can redistribute it and/or modify |
| + * it under the terms of the GNU General Public License as published by |
| + * the Free Software Foundation; either version 2 of the License, or |
| + * (at your option) any later version. |
| + * |
| + */ |
| +#include <linux/clk.h> |
| +#include <linux/kernel.h> |
| +#include <drm/drm_dp_helper.h> |
| + |
| +#include <drm/bridge/cdns-mhdp-common.h> |
| +#include "cdn-mhdp-phy.h" |
| + |
| +enum dp_link_rate { |
| + RATE_1_6 = 162000, |
| + RATE_2_1 = 216000, |
| + RATE_2_4 = 243000, |
| + RATE_2_7 = 270000, |
| + RATE_3_2 = 324000, |
| + RATE_4_3 = 432000, |
| + RATE_5_4 = 540000, |
| + RATE_8_1 = 810000, |
| +}; |
| + |
| +struct phy_pll_reg { |
| + u16 val[7]; |
| + u32 addr; |
| +}; |
| + |
| +static const struct phy_pll_reg phy_pll_27m_cfg[] = { |
| + /* 1.62 2.16 2.43 2.7 3.24 4.32 5.4 register address */ |
| + {{ 0x010E, 0x010E, 0x010E, 0x010E, 0x010E, 0x010E, 0x010E }, CMN_PLL0_VCOCAL_INIT_TMR }, |
| + {{ 0x001B, 0x001B, 0x001B, 0x001B, 0x001B, 0x001B, 0x001B }, CMN_PLL0_VCOCAL_ITER_TMR }, |
| + {{ 0x30B9, 0x3087, 0x3096, 0x30B4, 0x30B9, 0x3087, 0x30B4 }, CMN_PLL0_VCOCAL_START }, |
| + {{ 0x0077, 0x009F, 0x00B3, 0x00C7, 0x0077, 0x009F, 0x00C7 }, CMN_PLL0_INTDIV }, |
| + {{ 0xF9DA, 0xF7CD, 0xF6C7, 0xF5C1, 0xF9DA, 0xF7CD, 0xF5C1 }, CMN_PLL0_FRACDIV }, |
| + {{ 0x001E, 0x0028, 0x002D, 0x0032, 0x001E, 0x0028, 0x0032 }, CMN_PLL0_HIGH_THR }, |
| + {{ 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020 }, CMN_PLL0_DSM_DIAG }, |
| + {{ 0x0000, 0x1000, 0x1000, 0x1000, 0x0000, 0x1000, 0x1000 }, CMN_PLLSM0_USER_DEF_CTRL }, |
| + {{ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }, CMN_DIAG_PLL0_OVRD }, |
| + {{ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }, CMN_DIAG_PLL0_FBH_OVRD }, |
| + {{ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }, CMN_DIAG_PLL0_FBL_OVRD }, |
| + {{ 0x0006, 0x0007, 0x0007, 0x0007, 0x0006, 0x0007, 0x0007 }, CMN_DIAG_PLL0_V2I_TUNE }, |
| + {{ 0x0043, 0x0043, 0x0043, 0x0042, 0x0043, 0x0043, 0x0042 }, CMN_DIAG_PLL0_CP_TUNE }, |
| + {{ 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008 }, CMN_DIAG_PLL0_LF_PROG }, |
| + {{ 0x0100, 0x0001, 0x0001, 0x0001, 0x0100, 0x0001, 0x0001 }, CMN_DIAG_PLL0_PTATIS_TUNE1 }, |
| + {{ 0x0007, 0x0001, 0x0001, 0x0001, 0x0007, 0x0001, 0x0001 }, CMN_DIAG_PLL0_PTATIS_TUNE2 }, |
| + {{ 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020 }, CMN_DIAG_PLL0_TEST_MODE}, |
| + {{ 0x0016, 0x0016, 0x0016, 0x0016, 0x0016, 0x0016, 0x0016 }, CMN_PSM_CLK_CTRL } |
| +}; |
| + |
| +static const struct phy_pll_reg phy_pll_24m_cfg[] = { |
| + /* 1.62 2.16 2.43 2.7 3.24 4.32 5.4 register address */ |
| + {{ 0x00F0, 0x00F0, 0x00F0, 0x00F0, 0x00F0, 0x00F0, 0x00F0 }, CMN_PLL0_VCOCAL_INIT_TMR }, |
| + {{ 0x0018, 0x0018, 0x0018, 0x0018, 0x0018, 0x0018, 0x0018 }, CMN_PLL0_VCOCAL_ITER_TMR }, |
| + {{ 0x3061, 0x3092, 0x30B3, 0x30D0, 0x3061, 0x3092, 0x30D0 }, CMN_PLL0_VCOCAL_START }, |
| + {{ 0x0086, 0x00B3, 0x00CA, 0x00E0, 0x0086, 0x00B3, 0x00E0 }, CMN_PLL0_INTDIV }, |
| + {{ 0xF917, 0xF6C7, 0x75A1, 0xF479, 0xF917, 0xF6C7, 0xF479 }, CMN_PLL0_FRACDIV }, |
| + {{ 0x0022, 0x002D, 0x0033, 0x0038, 0x0022, 0x002D, 0x0038 }, CMN_PLL0_HIGH_THR }, |
| + {{ 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020 }, CMN_PLL0_DSM_DIAG }, |
| + {{ 0x0000, 0x1000, 0x1000, 0x1000, 0x0000, 0x1000, 0x1000 }, CMN_PLLSM0_USER_DEF_CTRL }, |
| + {{ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }, CMN_DIAG_PLL0_OVRD }, |
| + {{ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }, CMN_DIAG_PLL0_FBH_OVRD }, |
| + {{ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }, CMN_DIAG_PLL0_FBL_OVRD }, |
| + {{ 0x0006, 0x0007, 0x0007, 0x0007, 0x0006, 0x0007, 0x0007 }, CMN_DIAG_PLL0_V2I_TUNE }, |
| + {{ 0x0026, 0x0029, 0x0029, 0x0029, 0x0026, 0x0029, 0x0029 }, CMN_DIAG_PLL0_CP_TUNE }, |
| + {{ 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008 }, CMN_DIAG_PLL0_LF_PROG }, |
| + {{ 0x008C, 0x008C, 0x008C, 0x008C, 0x008C, 0x008C, 0x008C }, CMN_DIAG_PLL0_PTATIS_TUNE1 }, |
| + {{ 0x002E, 0x002E, 0x002E, 0x002E, 0x002E, 0x002E, 0x002E }, CMN_DIAG_PLL0_PTATIS_TUNE2 }, |
| + {{ 0x0022, 0x0022, 0x0022, 0x0022, 0x0022, 0x0022, 0x0022 }, CMN_DIAG_PLL0_TEST_MODE}, |
| + {{ 0x0016, 0x0016, 0x0016, 0x0016, 0x0016, 0x0016, 0x0016 }, CMN_PSM_CLK_CTRL } |
| +}; |
| + |
| +static int link_rate_index(u32 rate) |
| +{ |
| + switch (rate) { |
| + case RATE_1_6: |
| + return 0; |
| + case RATE_2_1: |
| + return 1; |
| + case RATE_2_4: |
| + return 2; |
| + case RATE_2_7: |
| + return 3; |
| + case RATE_3_2: |
| + return 4; |
| + case RATE_4_3: |
| + return 5; |
| + case RATE_5_4: |
| + return 6; |
| + default: |
| + return -1; |
| + } |
| +} |
| + |
| +static void dp_aux_cfg(struct cdns_mhdp_device *mhdp) |
| +{ |
| + /* Power up Aux */ |
| + cdns_phy_reg_write(mhdp, TXDA_CYA_AUXDA_CYA, 1); |
| + |
| + cdns_phy_reg_write(mhdp, TX_DIG_CTRL_REG_2, 36); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_2, 0x0100); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_2, 0x0300); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_3, 0x0000); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_1, 0x2008); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_1, 0x2018); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_1, 0xA018); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_2, 0x030C); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_5, 0x0000); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_4, 0x1001); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_1, 0xA098); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_1, 0xA198); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_2, 0x030d); |
| + ndelay(150); |
| + cdns_phy_reg_write(mhdp, TX_ANA_CTRL_REG_2, 0x030f); |
| +} |
| + |
| +/* PMA common configuration for 24MHz */ |
| +static void dp_phy_pma_cmn_cfg_24mhz(struct cdns_mhdp_device *mhdp) |
| +{ |
| + int k; |
| + u32 num_lanes = mhdp->dp.link.num_lanes; |
| + u16 val; |
| + |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + val &= 0xFFF7; |
| + val |= 0x0008; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_CMN_CTRL1, val); |
| + |
| + for (k = 0; k < num_lanes; k++) { |
| + /* Transceiver control and diagnostic registers */ |
| + cdns_phy_reg_write(mhdp, XCVR_DIAG_LANE_FCM_EN_MGN_TMR | (k << 9), 0x0090); |
| + /* Transmitter receiver detect registers */ |
| + cdns_phy_reg_write(mhdp, TX_RCVDET_EN_TMR | (k << 9), 0x0960); |
| + cdns_phy_reg_write(mhdp, TX_RCVDET_ST_TMR | (k << 9), 0x0030); |
| + } |
| +} |
| + |
| +/* Valid for 24 MHz only */ |
| +static void dp_phy_pma_cmn_pll0_24mhz(struct cdns_mhdp_device *mhdp) |
| +{ |
| + u32 num_lanes = mhdp->dp.link.num_lanes; |
| + u32 link_rate = mhdp->dp.link.rate; |
| + u16 val; |
| + int index, i, k; |
| + |
| + /* |
| + * PLL reference clock source select |
| + * for single ended reference clock val |= 0x0030; |
| + * for differential clock val |= 0x0000; |
| + */ |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + val = val & 0xFF8F; |
| + val = val | 0x0030; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_CMN_CTRL1, val); |
| + |
| + /* DP PLL data rate 0/1 clock divider value */ |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + val &= 0x00FF; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x2400; |
| + else |
| + val |= 0x1200; |
| + cdns_phy_reg_write(mhdp, PHY_HDP_CLK_CTL, val); |
| + |
| + /* High speed clock 0/1 div */ |
| + val = cdns_phy_reg_read(mhdp, CMN_DIAG_HSCLK_SEL); |
| + val &= 0xFFCC; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x0011; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_HSCLK_SEL, val); |
| + |
| + for (k = 0; k < num_lanes; k = k + 1) { |
| + val = cdns_phy_reg_read(mhdp, (XCVR_DIAG_HSCLK_SEL | (k << 9))); |
| + val &= 0xCFFF; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x1000; |
| + cdns_phy_reg_write(mhdp, (XCVR_DIAG_HSCLK_SEL | (k << 9)), val); |
| + } |
| + |
| + /* DP PHY PLL 24MHz configuration */ |
| + index = link_rate_index(link_rate); |
| + for (i = 0; i < ARRAY_SIZE(phy_pll_24m_cfg); i++) |
| + cdns_phy_reg_write(mhdp, phy_pll_24m_cfg[i].addr, phy_pll_24m_cfg[i].val[index]); |
| + |
| + /* Transceiver control and diagnostic registers */ |
| + for (k = 0; k < num_lanes; k = k + 1) { |
| + val = cdns_phy_reg_read(mhdp, (XCVR_DIAG_PLLDRC_CTRL | (k << 9))); |
| + val &= 0x8FFF; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x2000; |
| + else |
| + val |= 0x1000; |
| + cdns_phy_reg_write(mhdp, (XCVR_DIAG_PLLDRC_CTRL | (k << 9)), val); |
| + } |
| + |
| + for (k = 0; k < num_lanes; k = k + 1) { |
| + cdns_phy_reg_write(mhdp, (XCVR_PSM_RCTRL | (k << 9)), 0xBEFC); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A0 | (k << 9)), 0x6799); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A1 | (k << 9)), 0x6798); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A2 | (k << 9)), 0x0098); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A3 | (k << 9)), 0x0098); |
| + } |
| +} |
| + |
| +/* PMA common configuration for 27MHz */ |
| +static void dp_phy_pma_cmn_cfg_27mhz(struct cdns_mhdp_device *mhdp) |
| +{ |
| + u32 num_lanes = mhdp->dp.link.num_lanes; |
| + u16 val; |
| + int k; |
| + |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + val &= 0xFFF7; |
| + val |= 0x0008; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_CMN_CTRL1, val); |
| + |
| + /* Startup state machine registers */ |
| + cdns_phy_reg_write(mhdp, CMN_SSM_BIAS_TMR, 0x0087); |
| + cdns_phy_reg_write(mhdp, CMN_PLLSM0_PLLEN_TMR, 0x001B); |
| + cdns_phy_reg_write(mhdp, CMN_PLLSM0_PLLPRE_TMR, 0x0036); |
| + cdns_phy_reg_write(mhdp, CMN_PLLSM0_PLLVREF_TMR, 0x001B); |
| + cdns_phy_reg_write(mhdp, CMN_PLLSM0_PLLLOCK_TMR, 0x006C); |
| + |
| + /* Current calibration registers */ |
| + cdns_phy_reg_write(mhdp, CMN_ICAL_INIT_TMR, 0x0044); |
| + cdns_phy_reg_write(mhdp, CMN_ICAL_ITER_TMR, 0x0006); |
| + cdns_phy_reg_write(mhdp, CMN_ICAL_ADJ_INIT_TMR, 0x0022); |
| + cdns_phy_reg_write(mhdp, CMN_ICAL_ADJ_ITER_TMR, 0x0006); |
| + |
| + /* Resistor calibration registers */ |
| + cdns_phy_reg_write(mhdp, CMN_TXPUCAL_INIT_TMR, 0x0022); |
| + cdns_phy_reg_write(mhdp, CMN_TXPUCAL_ITER_TMR, 0x0006); |
| + cdns_phy_reg_write(mhdp, CMN_TXPU_ADJ_INIT_TMR, 0x0022); |
| + cdns_phy_reg_write(mhdp, CMN_TXPU_ADJ_ITER_TMR, 0x0006); |
| + cdns_phy_reg_write(mhdp, CMN_TXPDCAL_INIT_TMR, 0x0022); |
| + cdns_phy_reg_write(mhdp, CMN_TXPDCAL_ITER_TMR, 0x0006); |
| + cdns_phy_reg_write(mhdp, CMN_TXPD_ADJ_INIT_TMR, 0x0022); |
| + cdns_phy_reg_write(mhdp, CMN_TXPD_ADJ_ITER_TMR, 0x0006); |
| + cdns_phy_reg_write(mhdp, CMN_RXCAL_INIT_TMR, 0x0022); |
| + cdns_phy_reg_write(mhdp, CMN_RXCAL_ITER_TMR, 0x0006); |
| + cdns_phy_reg_write(mhdp, CMN_RX_ADJ_INIT_TMR, 0x0022); |
| + cdns_phy_reg_write(mhdp, CMN_RX_ADJ_ITER_TMR, 0x0006); |
| + |
| + for (k = 0; k < num_lanes; k = k + 1) { |
| + /* Power state machine registers */ |
| + cdns_phy_reg_write(mhdp, XCVR_PSM_CAL_TMR | (k << 9), 0x016D); |
| + cdns_phy_reg_write(mhdp, XCVR_PSM_A0IN_TMR | (k << 9), 0x016D); |
| + /* Transceiver control and diagnostic registers */ |
| + cdns_phy_reg_write(mhdp, XCVR_DIAG_LANE_FCM_EN_MGN_TMR | (k << 9), 0x00A2); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_BGREF_PREDRV_DELAY | (k << 9), 0x0097); |
| + /* Transmitter receiver detect registers */ |
| + cdns_phy_reg_write(mhdp, TX_RCVDET_EN_TMR | (k << 9), 0x0A8C); |
| + cdns_phy_reg_write(mhdp, TX_RCVDET_ST_TMR | (k << 9), 0x0036); |
| + } |
| +} |
| + |
| +static void dp_phy_pma_cmn_pll0_27mhz(struct cdns_mhdp_device *mhdp) |
| +{ |
| + u32 num_lanes = mhdp->dp.link.num_lanes; |
| + u32 link_rate = mhdp->dp.link.rate; |
| + u16 val; |
| + int index, i, k; |
| + |
| + /* |
| + * PLL reference clock source select |
| + * for single ended reference clock val |= 0x0030; |
| + * for differential clock val |= 0x0000; |
| + */ |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + val &= 0xFF8F; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_CMN_CTRL1, val); |
| + |
| + /* for differential clock on the refclk_p and refclk_m off chip pins: |
| + * CMN_DIAG_ACYA[8]=1'b1 |
| + */ |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_ACYA, 0x0100); |
| + |
| + /* DP PLL data rate 0/1 clock divider value */ |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + val &= 0x00FF; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x2400; |
| + else |
| + val |= 0x1200; |
| + cdns_phy_reg_write(mhdp, PHY_HDP_CLK_CTL, val); |
| + |
| + /* High speed clock 0/1 div */ |
| + val = cdns_phy_reg_read(mhdp, CMN_DIAG_HSCLK_SEL); |
| + val &= 0xFFCC; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x0011; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_HSCLK_SEL, val); |
| + |
| + for (k = 0; k < num_lanes; k++) { |
| + val = cdns_phy_reg_read(mhdp, (XCVR_DIAG_HSCLK_SEL | (k << 9))); |
| + val = val & 0xCFFF; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x1000; |
| + cdns_phy_reg_write(mhdp, (XCVR_DIAG_HSCLK_SEL | (k << 9)), val); |
| + } |
| + |
| + /* DP PHY PLL 27MHz configuration */ |
| + index = link_rate_index(link_rate); |
| + for (i = 0; i < ARRAY_SIZE(phy_pll_27m_cfg); i++) |
| + cdns_phy_reg_write(mhdp, phy_pll_27m_cfg[i].addr, phy_pll_27m_cfg[i].val[index]); |
| + |
| + /* Transceiver control and diagnostic registers */ |
| + for (k = 0; k < num_lanes; k++) { |
| + val = cdns_phy_reg_read(mhdp, (XCVR_DIAG_PLLDRC_CTRL | (k << 9))); |
| + val = val & 0x8FFF; |
| + if (link_rate <= RATE_2_7) |
| + val |= 0x2000; |
| + else |
| + val |= 0x1000; |
| + cdns_phy_reg_write(mhdp, (XCVR_DIAG_PLLDRC_CTRL | (k << 9)), val); |
| + } |
| + |
| + for (k = 0; k < num_lanes; k = k + 1) { |
| + /* Power state machine registers */ |
| + cdns_phy_reg_write(mhdp, (XCVR_PSM_RCTRL | (k << 9)), 0xBEFC); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A0 | (k << 9)), 0x6799); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A1 | (k << 9)), 0x6798); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A2 | (k << 9)), 0x0098); |
| + cdns_phy_reg_write(mhdp, (TX_PSC_A3 | (k << 9)), 0x0098); |
| + /* Receiver calibration power state definition register */ |
| + val = cdns_phy_reg_read(mhdp, RX_PSC_CAL | (k << 9)); |
| + val &= 0xFFBB; |
| + cdns_phy_reg_write(mhdp, (RX_PSC_CAL | (k << 9)), val); |
| + val = cdns_phy_reg_read(mhdp, RX_PSC_A0 | (k << 9)); |
| + val &= 0xFFBB; |
| + cdns_phy_reg_write(mhdp, (RX_PSC_A0 | (k << 9)), val); |
| + } |
| +} |
| + |
| +static void dp_phy_power_down(struct cdns_mhdp_device *mhdp) |
| +{ |
| + u16 val; |
| + int i; |
| + |
| + if (!mhdp->power_up) |
| + return; |
| + |
| + /* Place the PHY lanes in the A3 power state. */ |
| + cdns_phy_reg_write(mhdp, PHY_HDP_MODE_CTRL, 0x8); |
| + /* Wait for Power State A3 Ack */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_MODE_CTRL); |
| + if (val & (1 << 7)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait A3 Ack failed\n"); |
| + return; |
| + } |
| + |
| + /* Disable HDP PLL’s data rate and full rate clocks out of PMA. */ |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + val &= ~(1 << 2); |
| + cdns_phy_reg_write(mhdp, PHY_HDP_CLK_CTL, val); |
| + /* Wait for PLL clock gate ACK */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + if (!(val & (1 << 3))) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait PLL clock gate Ack failed\n"); |
| + return; |
| + } |
| + |
| + /* Disable HDP PLL’s for high speed clocks */ |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + val &= ~(1 << 0); |
| + cdns_phy_reg_write(mhdp, PHY_HDP_CLK_CTL, val); |
| + /* Wait for PLL disable ACK */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + if (!(val & (1 << 1))) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait PLL disable Ack failed\n"); |
| + return; |
| + } |
| +} |
| + |
| +static int dp_phy_power_up(struct cdns_mhdp_device *mhdp) |
| +{ |
| + u32 val, i; |
| + |
| + /* Enable HDP PLL’s for high speed clocks */ |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + val |= (1 << 0); |
| + cdns_phy_reg_write(mhdp, PHY_HDP_CLK_CTL, val); |
| + /* Wait for PLL ready ACK */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + if (val & (1 << 1)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait PLL Ack failed\n"); |
| + return -1; |
| + } |
| + |
| + /* Enable HDP PLL’s data rate and full rate clocks out of PMA. */ |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + val |= (1 << 2); |
| + cdns_phy_reg_write(mhdp, PHY_HDP_CLK_CTL, val); |
| + /* Wait for PLL clock enable ACK */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + if (val & (1 << 3)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait PLL clock enable ACk failed\n"); |
| + return -1; |
| + } |
| + |
| + /* Configure PHY in A2 Mode */ |
| + cdns_phy_reg_write(mhdp, PHY_HDP_MODE_CTRL, 0x0004); |
| + /* Wait for Power State A2 Ack */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_MODE_CTRL); |
| + if (val & (1 << 6)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait A2 Ack failed\n"); |
| + return -1; |
| + } |
| + |
| + /* Configure PHY in A0 mode (PHY must be in the A0 power |
| + * state in order to transmit data) |
| + */ |
| + cdns_phy_reg_write(mhdp, PHY_HDP_MODE_CTRL, 0x0101); |
| + |
| + /* Wait for Power State A0 Ack */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_MODE_CTRL); |
| + if (val & (1 << 4)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait A0 Ack failed\n"); |
| + return -1; |
| + } |
| + |
| + mhdp->power_up = true; |
| + |
| + return 0; |
| +} |
| + |
| +int cdns_dp_phy_init_imx8mq(struct imx_mhdp_device *hdp) |
| +{ |
| + struct cdns_mhdp_device *mhdp = &hdp->mhdp; |
| + int ret; |
| + |
| + /* Disable phy clock if PHY in power up state */ |
| + dp_phy_power_down(mhdp); |
| + |
| + dp_phy_pma_cmn_cfg_27mhz(mhdp); |
| + |
| + dp_phy_pma_cmn_pll0_27mhz(mhdp); |
| + |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_0, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_1, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_2, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_3, 1); |
| + |
| + /* PHY power up */ |
| + ret = dp_phy_power_up(mhdp); |
| + if (ret < 0) |
| + return ret; |
| + |
| + dp_aux_cfg(mhdp); |
| + |
| + return ret; |
| +} |
| + |
| + |
| +int cdns_dp_phy_init_imx8qm(struct imx_mhdp_device *hdp) |
| +{ |
| + struct cdns_mhdp_device *mhdp = &hdp->mhdp; |
| + int ret; |
| + |
| + /* Disable phy clock if PHY in power up state */ |
| + dp_phy_power_down(mhdp); |
| + |
| + dp_phy_pma_cmn_cfg_24mhz(mhdp); |
| + |
| + dp_phy_pma_cmn_pll0_24mhz(mhdp); |
| + |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_0, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_1, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_2, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_3, 1); |
| + |
| + /* PHY power up */ |
| + ret = dp_phy_power_up(mhdp); |
| + if (ret < 0) |
| + return ret; |
| + |
| + dp_aux_cfg(mhdp); |
| + |
| + return true; |
| +} |
| --- /dev/null |
| +++ b/drivers/gpu/drm/imx/cdn-mhdp-hdmi-phy.c |
| @@ -0,0 +1,684 @@ |
| +/* |
| + * Cadence High-Definition Multimedia Interface (HDMI) driver |
| + * |
| + * Copyright (C) 2019 NXP Semiconductor, Inc. |
| + * |
| + * This program is free software; you can redistribute it and/or modify |
| + * it under the terms of the GNU General Public License as published by |
| + * the Free Software Foundation; either version 2 of the License, or |
| + * (at your option) any later version. |
| + * |
| + */ |
| +#include <drm/drm_of.h> |
| +#include <drm/drmP.h> |
| +#include <drm/drm_crtc_helper.h> |
| +#include <linux/io.h> |
| +#include <drm/drm_edid.h> |
| +#include <drm/drm_encoder_slave.h> |
| +#include <drm/drm_atomic.h> |
| +#include <linux/io.h> |
| + |
| +#include <drm/bridge/cdns-mhdp-common.h> |
| +#include "cdn-mhdp-phy.h" |
| + |
| +/* HDMI TX clock control settings */ |
| +struct hdmi_ctrl { |
| + u32 pixel_clk_freq_min; |
| + u32 pixel_clk_freq_max; |
| + u32 feedback_factor; |
| + u32 data_range_kbps_min; |
| + u32 data_range_kbps_max; |
| + u32 cmnda_pll0_ip_div; |
| + u32 cmn_ref_clk_dig_div; |
| + u32 ref_clk_divider_scaler; |
| + u32 pll_fb_div_total; |
| + u32 cmnda_pll0_fb_div_low; |
| + u32 cmnda_pll0_fb_div_high; |
| + u32 pixel_div_total; |
| + u32 cmnda_pll0_pxdiv_low; |
| + u32 cmnda_pll0_pxdiv_high; |
| + u32 vco_freq_min; |
| + u32 vco_freq_max; |
| + u32 vco_ring_select; |
| + u32 cmnda_hs_clk_0_sel; |
| + u32 cmnda_hs_clk_1_sel; |
| + u32 hsclk_div_at_xcvr; |
| + u32 hsclk_div_tx_sub_rate; |
| + u32 cmnda_pll0_hs_sym_div_sel; |
| + u32 cmnda_pll0_clk_freq_min; |
| + u32 cmnda_pll0_clk_freq_max; |
| +}; |
| + |
| +/* HDMI TX clock control settings, pixel clock is output */ |
| +static const struct hdmi_ctrl imx8mq_ctrl_table[] = { |
| +/*Minclk Maxclk Fdbak DR_min DR_max ip_d dig DS Totl */ |
| +{ 27000, 27000, 1000, 270000, 270000, 0x03, 0x1, 0x1, 240, 0x0BC, 0x030, 80, 0x026, 0x026, 2160000, 2160000, 0, 2, 2, 2, 4, 0x3, 27000, 27000}, |
| +{ 27000, 27000, 1250, 337500, 337500, 0x03, 0x1, 0x1, 300, 0x0EC, 0x03C, 100, 0x030, 0x030, 2700000, 2700000, 0, 2, 2, 2, 4, 0x3, 33750, 33750}, |
| +{ 27000, 27000, 1500, 405000, 405000, 0x03, 0x1, 0x1, 360, 0x11C, 0x048, 120, 0x03A, 0x03A, 3240000, 3240000, 0, 2, 2, 2, 4, 0x3, 40500, 40500}, |
| +{ 27000, 27000, 2000, 540000, 540000, 0x03, 0x1, 0x1, 240, 0x0BC, 0x030, 80, 0x026, 0x026, 2160000, 2160000, 0, 2, 2, 2, 4, 0x2, 54000, 54000}, |
| +{ 54000, 54000, 1000, 540000, 540000, 0x03, 0x1, 0x1, 480, 0x17C, 0x060, 80, 0x026, 0x026, 4320000, 4320000, 1, 2, 2, 2, 4, 0x3, 54000, 54000}, |
| +{ 54000, 54000, 1250, 675000, 675000, 0x04, 0x1, 0x1, 400, 0x13C, 0x050, 50, 0x017, 0x017, 2700000, 2700000, 0, 1, 1, 2, 4, 0x2, 67500, 67500}, |
| +{ 54000, 54000, 1500, 810000, 810000, 0x04, 0x1, 0x1, 480, 0x17C, 0x060, 60, 0x01C, 0x01C, 3240000, 3240000, 0, 2, 2, 2, 2, 0x2, 81000, 81000}, |
| +{ 54000, 54000, 2000, 1080000, 1080000, 0x03, 0x1, 0x1, 240, 0x0BC, 0x030, 40, 0x012, 0x012, 2160000, 2160000, 0, 2, 2, 2, 1, 0x1, 108000, 108000}, |
| +{ 74250, 74250, 1000, 742500, 742500, 0x03, 0x1, 0x1, 660, 0x20C, 0x084, 80, 0x026, 0x026, 5940000, 5940000, 1, 2, 2, 2, 4, 0x3, 74250, 74250}, |
| +{ 74250, 74250, 1250, 928125, 928125, 0x04, 0x1, 0x1, 550, 0x1B4, 0x06E, 50, 0x017, 0x017, 3712500, 3712500, 1, 1, 1, 2, 4, 0x2, 92812, 92812}, |
| +{ 74250, 74250, 1500, 1113750, 1113750, 0x04, 0x1, 0x1, 660, 0x20C, 0x084, 60, 0x01C, 0x01C, 4455000, 4455000, 1, 2, 2, 2, 2, 0x2, 111375, 111375}, |
| +{ 74250, 74250, 2000, 1485000, 1485000, 0x03, 0x1, 0x1, 330, 0x104, 0x042, 40, 0x012, 0x012, 2970000, 2970000, 0, 2, 2, 2, 1, 0x1, 148500, 148500}, |
| +{ 99000, 99000, 1000, 990000, 990000, 0x03, 0x1, 0x1, 440, 0x15C, 0x058, 40, 0x012, 0x012, 3960000, 3960000, 1, 2, 2, 2, 2, 0x2, 99000, 99000}, |
| +{ 99000, 99000, 1250, 1237500, 1237500, 0x03, 0x1, 0x1, 275, 0x0D8, 0x037, 25, 0x00B, 0x00A, 2475000, 2475000, 0, 1, 1, 2, 2, 0x1, 123750, 123750}, |
| +{ 99000, 99000, 1500, 1485000, 1485000, 0x03, 0x1, 0x1, 330, 0x104, 0x042, 30, 0x00D, 0x00D, 2970000, 2970000, 0, 2, 2, 2, 1, 0x1, 148500, 148500}, |
| +{ 99000, 99000, 2000, 1980000, 1980000, 0x03, 0x1, 0x1, 440, 0x15C, 0x058, 40, 0x012, 0x012, 3960000, 3960000, 1, 2, 2, 2, 1, 0x1, 198000, 198000}, |
| +{148500, 148500, 1000, 1485000, 1485000, 0x03, 0x1, 0x1, 660, 0x20C, 0x084, 40, 0x012, 0x012, 5940000, 5940000, 1, 2, 2, 2, 2, 0x2, 148500, 148500}, |
| +{148500, 148500, 1250, 1856250, 1856250, 0x04, 0x1, 0x1, 550, 0x1B4, 0x06E, 25, 0x00B, 0x00A, 3712500, 3712500, 1, 1, 1, 2, 2, 0x1, 185625, 185625}, |
| +{148500, 148500, 1500, 2227500, 2227500, 0x03, 0x1, 0x1, 495, 0x188, 0x063, 30, 0x00D, 0x00D, 4455000, 4455000, 1, 1, 1, 2, 2, 0x1, 222750, 222750}, |
| +{148500, 148500, 2000, 2970000, 2970000, 0x03, 0x1, 0x1, 660, 0x20C, 0x084, 40, 0x012, 0x012, 5940000, 5940000, 1, 2, 2, 2, 1, 0x1, 297000, 297000}, |
| +{198000, 198000, 1000, 1980000, 1980000, 0x03, 0x1, 0x1, 220, 0x0AC, 0x02C, 10, 0x003, 0x003, 1980000, 1980000, 0, 1, 1, 2, 1, 0x0, 198000, 198000}, |
| +{198000, 198000, 1250, 2475000, 2475000, 0x03, 0x1, 0x1, 550, 0x1B4, 0x06E, 25, 0x00B, 0x00A, 4950000, 4950000, 1, 1, 1, 2, 2, 0x1, 247500, 247500}, |
| +{198000, 198000, 1500, 2970000, 2970000, 0x03, 0x1, 0x1, 330, 0x104, 0x042, 15, 0x006, 0x005, 2970000, 2970000, 0, 1, 1, 2, 1, 0x0, 297000, 297000}, |
| +{198000, 198000, 2000, 3960000, 3960000, 0x03, 0x1, 0x1, 440, 0x15C, 0x058, 20, 0x008, 0x008, 3960000, 3960000, 1, 1, 1, 2, 1, 0x0, 396000, 396000}, |
| +{297000, 297000, 1000, 2970000, 2970000, 0x03, 0x1, 0x1, 330, 0x104, 0x042, 10, 0x003, 0x003, 2970000, 2970000, 0, 1, 1, 2, 1, 0x0, 297000, 297000}, |
| +{297000, 297000, 1500, 4455000, 4455000, 0x03, 0x1, 0x1, 495, 0x188, 0x063, 15, 0x006, 0x005, 4455000, 4455000, 1, 1, 1, 2, 1, 0x0, 445500, 445500}, |
| +{297000, 297000, 2000, 5940000, 5940000, 0x03, 0x1, 0x1, 660, 0x20C, 0x084, 20, 0x008, 0x008, 5940000, 5940000, 1, 1, 1, 2, 1, 0x0, 594000, 594000}, |
| +{594000, 594000, 1000, 5940000, 5940000, 0x03, 0x1, 0x1, 660, 0x20C, 0x084, 10, 0x003, 0x003, 5940000, 5940000, 1, 1, 1, 2, 1, 0x0, 594000, 594000}, |
| +{594000, 594000, 750, 4455000, 4455000, 0x03, 0x1, 0x1, 495, 0x188, 0x063, 10, 0x003, 0x003, 4455000, 4455000, 1, 1, 1, 2, 1, 0x0, 445500, 445500}, |
| +{594000, 594000, 625, 3712500, 3712500, 0x04, 0x1, 0x1, 550, 0x1B4, 0x06E, 10, 0x003, 0x003, 3712500, 3712500, 1, 1, 1, 2, 1, 0x0, 371250, 371250}, |
| +{594000, 594000, 500, 2970000, 2970000, 0x03, 0x1, 0x1, 660, 0x20C, 0x084, 10, 0x003, 0x003, 5940000, 5940000, 1, 1, 1, 2, 2, 0x1, 297000, 297000}, |
| +}; |
| + |
| +/* HDMI TX clock control settings, pixel clock is input */ |
| +static const struct hdmi_ctrl imx8qm_ctrl_table[] = { |
| +/*pclk_l pclk_h fd DRR_L DRR_H PLLD */ |
| +{ 25000, 42500, 1000, 250000, 425000, 0x05, 0x01, 0x01, 400, 0x182, 0x00A, 0, 0, 0, 2000000, 3400000, 0, 2, 2, 2, 4, 0x03, 25000, 42500}, |
| +{ 42500, 85000, 1000, 425000, 850000, 0x08, 0x03, 0x01, 320, 0x132, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 4, 0x02, 42500, 85000}, |
| +{ 85000, 170000, 1000, 850000, 1700000, 0x11, 0x00, 0x07, 340, 0x146, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 2, 0x01, 85000, 170000}, |
| +{170000, 340000, 1000, 1700000, 3400000, 0x22, 0x01, 0x07, 340, 0x146, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 1, 0x00, 170000, 340000}, |
| +{340000, 600000, 1000, 3400000, 6000000, 0x3C, 0x03, 0x06, 600, 0x24A, 0x00A, 0, 0, 0, 3400000, 6000000, 1, 1, 1, 2, 1, 0x00, 340000, 600000}, |
| +{ 25000, 34000, 1205, 312500, 425000, 0x04, 0x01, 0x01, 400, 0x182, 0x00A, 0, 0, 0, 2500000, 3400000, 0, 2, 2, 2, 4, 0x03, 31250, 42500}, |
| +{ 34000, 68000, 1205, 425000, 850000, 0x06, 0x02, 0x01, 300, 0x11E, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 4, 0x02, 42500, 85000}, |
| +{ 68000, 136000, 1205, 850000, 1700000, 0x0D, 0x02, 0x02, 325, 0x137, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 2, 0x01, 85000, 170000}, |
| +{136000, 272000, 1205, 1700000, 3400000, 0x1A, 0x02, 0x04, 325, 0x137, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 1, 0x00, 170000, 340000}, |
| +{272000, 480000, 1205, 3400000, 6000000, 0x30, 0x03, 0x05, 600, 0x24A, 0x00A, 0, 0, 0, 3400000, 6000000, 1, 1, 1, 2, 1, 0x00, 340000, 600000}, |
| +{ 25000, 28000, 1500, 375000, 420000, 0x03, 0x01, 0x01, 360, 0x15A, 0x00A, 0, 0, 0, 3000000, 3360000, 0, 2, 2, 2, 4, 0x03, 37500, 42000}, |
| +{ 28000, 56000, 1500, 420000, 840000, 0x06, 0x02, 0x01, 360, 0x15A, 0x00A, 0, 0, 0, 1680000, 3360000, 0, 1, 1, 2, 4, 0x02, 42000, 84000}, |
| +{ 56000, 113000, 1500, 840000, 1695000, 0x0B, 0x00, 0x05, 330, 0x13C, 0x00A, 0, 0, 0, 1680000, 3390000, 0, 1, 1, 2, 2, 0x01, 84000, 169500}, |
| +{113000, 226000, 1500, 1695000, 3390000, 0x16, 0x01, 0x05, 330, 0x13C, 0x00A, 0, 0, 0, 1695000, 3390000, 0, 1, 1, 2, 1, 0x00, 169500, 339000}, |
| +{226000, 400000, 1500, 3390000, 6000000, 0x28, 0x03, 0x04, 600, 0x24A, 0x00A, 0, 0, 0, 3390000, 6000000, 1, 1, 1, 2, 1, 0x00, 339000, 600000}, |
| +{ 25000, 42500, 2000, 500000, 850000, 0x05, 0x01, 0x01, 400, 0x182, 0x00A, 0, 0, 0, 2000000, 3400000, 0, 1, 1, 2, 4, 0x02, 50000, 85000}, |
| +{ 42500, 85000, 2000, 850000, 1700000, 0x08, 0x03, 0x01, 320, 0x132, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 2, 0x01, 85000, 170000}, |
| +{ 85000, 170000, 2000, 1700000, 3400000, 0x11, 0x00, 0x07, 340, 0x146, 0x00A, 0, 0, 0, 1700000, 3400000, 0, 1, 1, 2, 1, 0x00, 170000, 340000}, |
| +{170000, 300000, 2000, 3400000, 6000000, 0x22, 0x01, 0x06, 680, 0x29A, 0x00A, 0, 0, 0, 3400000, 6000000, 1, 1, 1, 2, 1, 0x00, 340000, 600000}, |
| +{594000, 594000, 5000, 2970000, 2970000, 0x3C, 0x03, 0x06, 600, 0x24A, 0x00A, 0, 0, 0, 5940000, 5940000, 1, 1, 1, 2, 2, 0x01, 297000, 297000}, |
| +{594000, 594000, 6250, 3712500, 3712500, 0x3C, 0x03, 0x06, 375, 0x169, 0x00A, 0, 0, 0, 3712500, 3712500, 1, 1, 1, 2, 1, 0x00, 371250, 371250}, |
| +{594000, 594000, 7500, 4455000, 4455000, 0x3C, 0x03, 0x06, 450, 0x1B4, 0x00A, 0, 0, 0, 4455000, 4455000, 1, 1, 1, 2, 1, 0x00, 445500, 445500}, |
| +}; |
| + |
| +/* HDMI TX PLL tuning settings */ |
| +struct hdmi_pll_tuning { |
| + u32 vco_freq_bin; |
| + u32 vco_freq_min; |
| + u32 vco_freq_max; |
| + u32 volt_to_current_coarse; |
| + u32 volt_to_current; |
| + u32 ndac_ctrl; |
| + u32 pmos_ctrl; |
| + u32 ptat_ndac_ctrl; |
| + u32 feedback_div_total; |
| + u32 charge_pump_gain; |
| + u32 coarse_code; |
| + u32 v2i_code; |
| + u32 vco_cal_code; |
| +}; |
| + |
| +/* HDMI TX PLL tuning settings, pixel clock is output */ |
| +static const struct hdmi_pll_tuning imx8mq_pll_table[] = { |
| +/* bin VCO_freq min/max coar cod NDAC PMOS PTAT div-T P-Gain Coa V2I CAL */ |
| + { 1, 1980000, 1980000, 0x4, 0x3, 0x0, 0x09, 0x09, 220, 0x42, 160, 5, 183 }, |
| + { 2, 2160000, 2160000, 0x4, 0x3, 0x0, 0x09, 0x09, 240, 0x42, 166, 6, 208 }, |
| + { 3, 2475000, 2475000, 0x5, 0x3, 0x1, 0x00, 0x07, 275, 0x42, 167, 6, 209 }, |
| + { 4, 2700000, 2700000, 0x5, 0x3, 0x1, 0x00, 0x07, 300, 0x42, 188, 6, 230 }, |
| + { 4, 2700000, 2700000, 0x5, 0x3, 0x1, 0x00, 0x07, 400, 0x4C, 188, 6, 230 }, |
| + { 5, 2970000, 2970000, 0x6, 0x3, 0x1, 0x00, 0x07, 330, 0x42, 183, 6, 225 }, |
| + { 6, 3240000, 3240000, 0x6, 0x3, 0x1, 0x00, 0x07, 360, 0x42, 203, 7, 256 }, |
| + { 6, 3240000, 3240000, 0x6, 0x3, 0x1, 0x00, 0x07, 480, 0x4C, 203, 7, 256 }, |
| + { 7, 3712500, 3712500, 0x4, 0x3, 0x0, 0x07, 0x0F, 550, 0x4C, 212, 7, 257 }, |
| + { 8, 3960000, 3960000, 0x5, 0x3, 0x0, 0x07, 0x0F, 440, 0x42, 184, 6, 226 }, |
| + { 9, 4320000, 4320000, 0x5, 0x3, 0x1, 0x07, 0x0F, 480, 0x42, 205, 7, 258 }, |
| + { 10, 4455000, 4455000, 0x5, 0x3, 0x0, 0x07, 0x0F, 495, 0x42, 219, 7, 272 }, |
| + { 10, 4455000, 4455000, 0x5, 0x3, 0x0, 0x07, 0x0F, 660, 0x4C, 219, 7, 272 }, |
| + { 11, 4950000, 4950000, 0x6, 0x3, 0x1, 0x00, 0x07, 550, 0x42, 213, 7, 258 }, |
| + { 12, 5940000, 5940000, 0x7, 0x3, 0x1, 0x00, 0x07, 660, 0x42, 244, 8, 292 }, |
| +}; |
| + |
| +/* HDMI TX PLL tuning settings, pixel clock is input */ |
| +static const struct hdmi_pll_tuning imx8qm_pll_table[] = { |
| +/* bin VCO_freq min/max coar cod NDAC PMOS PTAT div-T P-Gain pad only */ |
| + { 0, 1700000, 2000000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 300, 0x08D, 0, 0, 0 }, |
| + { 0, 1700000, 2000000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 320, 0x08E, 0, 0, 0 }, |
| + { 0, 1700000, 2000000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 325, 0x08E, 0, 0, 0 }, |
| + { 0, 1700000, 2000000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 330, 0x08E, 0, 0, 0 }, |
| + { 0, 1700000, 2000000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 340, 0x08F, 0, 0, 0 }, |
| + { 0, 1700000, 2000000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 360, 0x0A7, 0, 0, 0 }, |
| + { 0, 1700000, 2000000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 400, 0x0C5, 0, 0, 0 }, |
| + { 1, 2000000, 2400000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 300, 0x086, 0, 0, 0 }, |
| + { 1, 2000000, 2400000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 320, 0x087, 0, 0, 0 }, |
| + { 1, 2000000, 2400000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 325, 0x087, 0, 0, 0 }, |
| + { 1, 2000000, 2400000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 330, 0x104, 0, 0, 0 }, |
| + { 1, 2000000, 2400000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 340, 0x08B, 0, 0, 0 }, |
| + { 1, 2000000, 2400000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 360, 0x08D, 0, 0, 0 }, |
| + { 1, 2000000, 2400000, 0x3, 0x1, 0x0, 0x8C, 0x2E, 400, 0x0A6, 0, 0, 0 }, |
| + { 2, 2400000, 2800000, 0x3, 0x1, 0x0, 0x04, 0x0D, 300, 0x04E, 0, 0, 0 }, |
| + { 2, 2400000, 2800000, 0x3, 0x1, 0x0, 0x04, 0x0D, 320, 0x04F, 0, 0, 0 }, |
| + { 2, 2400000, 2800000, 0x3, 0x1, 0x0, 0x04, 0x0D, 325, 0x04F, 0, 0, 0 }, |
| + { 2, 2400000, 2800000, 0x3, 0x1, 0x0, 0x04, 0x0D, 330, 0x085, 0, 0, 0 }, |
| + { 2, 2400000, 2800000, 0x3, 0x1, 0x0, 0x04, 0x0D, 340, 0x085, 0, 0, 0 }, |
| + { 2, 2400000, 2800000, 0x3, 0x1, 0x0, 0x04, 0x0D, 360, 0x086, 0, 0, 0 }, |
| + { 2, 2400000, 2800000, 0x3, 0x1, 0x0, 0x04, 0x0D, 400, 0x08B, 0, 0, 0 }, |
| + { 3, 2800000, 3400000, 0x3, 0x1, 0x0, 0x04, 0x0D, 300, 0x047, 0, 0, 0 }, |
| + { 3, 2800000, 3400000, 0x3, 0x1, 0x0, 0x04, 0x0D, 320, 0x04B, 0, 0, 0 }, |
| + { 3, 2800000, 3400000, 0x3, 0x1, 0x0, 0x04, 0x0D, 325, 0x04B, 0, 0, 0 }, |
| + { 3, 2800000, 3400000, 0x3, 0x1, 0x0, 0x04, 0x0D, 330, 0x04B, 0, 0, 0 }, |
| + { 3, 2800000, 3400000, 0x3, 0x1, 0x0, 0x04, 0x0D, 340, 0x04D, 0, 0, 0 }, |
| + { 3, 2800000, 3400000, 0x3, 0x1, 0x0, 0x04, 0x0D, 360, 0x04E, 0, 0, 0 }, |
| + { 3, 2800000, 3400000, 0x3, 0x1, 0x0, 0x04, 0x0D, 400, 0x085, 0, 0, 0 }, |
| + { 4, 3400000, 3900000, 0x7, 0x1, 0x0, 0x8E, 0x2F, 375, 0x041, 0, 0, 0 }, |
| + { 4, 3400000, 3900000, 0x7, 0x1, 0x0, 0x8E, 0x2F, 600, 0x08D, 0, 0, 0 }, |
| + { 4, 3400000, 3900000, 0x7, 0x1, 0x0, 0x8E, 0x2F, 680, 0x0A6, 0, 0, 0 }, |
| + { 5, 3900000, 4500000, 0x7, 0x1, 0x0, 0x8E, 0x2F, 450, 0x041, 0, 0, 0 }, |
| + { 5, 3900000, 4500000, 0x7, 0x1, 0x0, 0x8E, 0x2F, 600, 0x087, 0, 0, 0 }, |
| + { 5, 3900000, 4500000, 0x7, 0x1, 0x0, 0x8E, 0x2F, 680, 0x0A4, 0, 0, 0 }, |
| + { 6, 4500000, 5200000, 0x7, 0x1, 0x0, 0x04, 0x0D, 600, 0x04F, 0, 0, 0 }, |
| + { 6, 4500000, 5200000, 0x7, 0x1, 0x0, 0x04, 0x0D, 680, 0x086, 0, 0, 0 }, |
| + { 7, 5200000, 6000000, 0x7, 0x1, 0x0, 0x04, 0x0D, 600, 0x04D, 0, 0, 0 }, |
| + { 7, 5200000, 6000000, 0x7, 0x1, 0x0, 0x04, 0x0D, 680, 0x04F, 0, 0, 0 } |
| +}; |
| + |
| +static void hdmi_phy_set_vswing(struct cdns_mhdp_device *mhdp) |
| +{ |
| + const u32 num_lanes = 4; |
| + u32 k; |
| + |
| + for (k = 0; k < num_lanes; k++) { |
| + cdns_phy_reg_write(mhdp, (TX_DIAG_TX_DRV | (k << 9)), 0x7c0); |
| + cdns_phy_reg_write(mhdp, (TX_TXCC_CPOST_MULT_00_0 | (k << 9)), 0x0); |
| + cdns_phy_reg_write(mhdp, (TX_TXCC_CAL_SCLR_MULT_0 | (k << 9)), 0x120); |
| + } |
| +} |
| + |
| +static int hdmi_feedback_factor(struct cdns_mhdp_device *mhdp) |
| +{ |
| + u32 feedback_factor; |
| + |
| + switch (mhdp->video_info.color_fmt) { |
| + case YCBCR_4_2_2: |
| + feedback_factor = 1000; |
| + break; |
| + case YCBCR_4_2_0: |
| + switch (mhdp->video_info.color_depth) { |
| + case 8: |
| + feedback_factor = 500; |
| + break; |
| + case 10: |
| + feedback_factor = 625; |
| + break; |
| + case 12: |
| + feedback_factor = 750; |
| + break; |
| + case 16: |
| + feedback_factor = 1000; |
| + break; |
| + default: |
| + DRM_ERROR("Invalid ColorDepth\n"); |
| + return 0; |
| + } |
| + break; |
| + default: |
| + /* Assume RGB/YUV444 */ |
| + switch (mhdp->video_info.color_depth) { |
| + case 10: |
| + feedback_factor = 1250; |
| + break; |
| + case 12: |
| + feedback_factor = 1500; |
| + break; |
| + case 16: |
| + feedback_factor = 2000; |
| + break; |
| + default: |
| + feedback_factor = 1000; |
| + } |
| + } |
| + return feedback_factor; |
| +} |
| + |
| +static int hdmi_phy_config(struct cdns_mhdp_device *mhdp, |
| + const struct hdmi_ctrl *p_ctrl_table, |
| + const struct hdmi_pll_tuning *p_pll_table, |
| + char pclk_in) |
| +{ |
| + const u32 num_lanes = 4; |
| + u32 val, i, k; |
| + |
| + /* enable PHY isolation mode only for CMN */ |
| + cdns_phy_reg_write(mhdp, PHY_PMA_ISOLATION_CTRL, 0xD000); |
| + |
| + /* set cmn_pll0_clk_datart1_div/cmn_pll0_clk_datart0_div dividers */ |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_ISO_PLL_CTRL1); |
| + val &= 0xFF00; |
| + val |= 0x0012; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_ISO_PLL_CTRL1, val); |
| + |
| + /* assert PHY reset from isolation register */ |
| + cdns_phy_reg_write(mhdp, PHY_ISO_CMN_CTRL, 0x0000); |
| + /* assert PMA CMN reset */ |
| + cdns_phy_reg_write(mhdp, PHY_PMA_ISO_CMN_CTRL, 0x0000); |
| + |
| + /* register XCVR_DIAG_BIDI_CTRL */ |
| + for (k = 0; k < num_lanes; k++) |
| + cdns_phy_reg_write(mhdp, XCVR_DIAG_BIDI_CTRL | (k << 9), 0x00FF); |
| + |
| + /* Describing Task phy_cfg_hdp */ |
| + |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + val &= 0xFFF7; |
| + val |= 0x0008; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_CMN_CTRL1, val); |
| + |
| + /* PHY Registers */ |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + val &= 0xCFFF; |
| + val |= p_ctrl_table->cmn_ref_clk_dig_div << 12; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_CMN_CTRL1, val); |
| + |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_CLK_CTL); |
| + val &= 0x00FF; |
| + val |= 0x1200; |
| + cdns_phy_reg_write(mhdp, PHY_HDP_CLK_CTL, val); |
| + |
| + /* Common control module control and diagnostic registers */ |
| + val = cdns_phy_reg_read(mhdp, CMN_CDIAG_REFCLK_CTRL); |
| + val &= 0x8FFF; |
| + val |= p_ctrl_table->ref_clk_divider_scaler << 12; |
| + val |= 0x00C0; |
| + cdns_phy_reg_write(mhdp, CMN_CDIAG_REFCLK_CTRL, val); |
| + |
| + /* High speed clock used */ |
| + val = cdns_phy_reg_read(mhdp, CMN_DIAG_HSCLK_SEL); |
| + val &= 0xFF00; |
| + val |= (p_ctrl_table->cmnda_hs_clk_0_sel >> 1) << 0; |
| + val |= (p_ctrl_table->cmnda_hs_clk_1_sel >> 1) << 4; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_HSCLK_SEL, val); |
| + |
| + for (k = 0; k < num_lanes; k++) { |
| + val = cdns_phy_reg_read(mhdp, (XCVR_DIAG_HSCLK_SEL | (k << 9))); |
| + val &= 0xCFFF; |
| + val |= (p_ctrl_table->cmnda_hs_clk_0_sel >> 1) << 12; |
| + cdns_phy_reg_write(mhdp, (XCVR_DIAG_HSCLK_SEL | (k << 9)), val); |
| + } |
| + |
| + /* PLL 0 control state machine registers */ |
| + val = p_ctrl_table->vco_ring_select << 12; |
| + cdns_phy_reg_write(mhdp, CMN_PLLSM0_USER_DEF_CTRL, val); |
| + |
| + if (pclk_in == true) |
| + val = 0x30A0; |
| + else { |
| + val = cdns_phy_reg_read(mhdp, CMN_PLL0_VCOCAL_START); |
| + val &= 0xFE00; |
| + val |= p_pll_table->vco_cal_code; |
| + } |
| + cdns_phy_reg_write(mhdp, CMN_PLL0_VCOCAL_START, val); |
| + |
| + cdns_phy_reg_write(mhdp, CMN_PLL0_VCOCAL_INIT_TMR, 0x0064); |
| + cdns_phy_reg_write(mhdp, CMN_PLL0_VCOCAL_ITER_TMR, 0x000A); |
| + |
| + /* Common functions control and diagnostics registers */ |
| + val = p_ctrl_table->cmnda_pll0_hs_sym_div_sel << 8; |
| + val |= p_ctrl_table->cmnda_pll0_ip_div; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_INCLK_CTRL, val); |
| + |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_OVRD, 0x0000); |
| + |
| + val = p_ctrl_table->cmnda_pll0_fb_div_high; |
| + val |= (1 << 15); |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_FBH_OVRD, val); |
| + |
| + val = p_ctrl_table->cmnda_pll0_fb_div_low; |
| + val |= (1 << 15); |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_FBL_OVRD, val); |
| + |
| + if (pclk_in == false) { |
| + val = p_ctrl_table->cmnda_pll0_pxdiv_low; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_PXL_DIVL, val); |
| + |
| + val = p_ctrl_table->cmnda_pll0_pxdiv_high; |
| + val |= (1 << 15); |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_PXL_DIVH, val); |
| + } |
| + |
| + val = p_pll_table->volt_to_current_coarse; |
| + val |= (p_pll_table->volt_to_current) << 4; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_V2I_TUNE, val); |
| + |
| + val = p_pll_table->charge_pump_gain; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_CP_TUNE, val); |
| + |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_LF_PROG, 0x0008); |
| + |
| + val = p_pll_table->pmos_ctrl; |
| + val |= (p_pll_table->ndac_ctrl) << 8; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_PTATIS_TUNE1, val); |
| + |
| + val = p_pll_table->ptat_ndac_ctrl; |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_PTATIS_TUNE2, val); |
| + |
| + if (pclk_in == true) |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_TEST_MODE, 0x0022); |
| + else |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_PLL0_TEST_MODE, 0x0020); |
| + cdns_phy_reg_write(mhdp, CMN_PSM_CLK_CTRL, 0x0016); |
| + |
| + /* Transceiver control and diagnostic registers */ |
| + for (k = 0; k < num_lanes; k++) { |
| + val = cdns_phy_reg_read(mhdp, (XCVR_DIAG_PLLDRC_CTRL | (k << 9))); |
| + val &= 0xBFFF; |
| + cdns_phy_reg_write(mhdp, (XCVR_DIAG_PLLDRC_CTRL | (k << 9)), val); |
| + } |
| + |
| + for (k = 0; k < num_lanes; k++) { |
| + val = cdns_phy_reg_read(mhdp, (TX_DIAG_TX_CTRL | (k << 9))); |
| + val &= 0xFF3F; |
| + val |= (p_ctrl_table->hsclk_div_tx_sub_rate >> 1) << 6; |
| + cdns_phy_reg_write(mhdp, (TX_DIAG_TX_CTRL | (k << 9)), val); |
| + } |
| + |
| + /* |
| + * for single ended reference clock val |= 0x0030; |
| + * for differential clock val |= 0x0000; |
| + */ |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + val &= 0xFF8F; |
| + if (pclk_in == true) |
| + val |= 0x0030; |
| + cdns_phy_reg_write(mhdp, PHY_PMA_CMN_CTRL1, val); |
| + |
| + /* for differential clock on the refclk_p and |
| + * refclk_m off chip pins: CMN_DIAG_ACYA[8]=1'b1 */ |
| + cdns_phy_reg_write(mhdp, CMN_DIAG_ACYA, 0x0100); |
| + |
| + /* Deassert PHY reset */ |
| + cdns_phy_reg_write(mhdp, PHY_ISO_CMN_CTRL, 0x0001); |
| + cdns_phy_reg_write(mhdp, PHY_PMA_ISO_CMN_CTRL, 0x0003); |
| + |
| + /* Power state machine registers */ |
| + for (k = 0; k < num_lanes; k++) |
| + cdns_phy_reg_write(mhdp, XCVR_PSM_RCTRL | (k << 9), 0xFEFC); |
| + |
| + /* Assert cmn_macro_pwr_en */ |
| + cdns_phy_reg_write(mhdp, PHY_PMA_ISO_CMN_CTRL, 0x0013); |
| + |
| + /* wait for cmn_macro_pwr_en_ack */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_ISO_CMN_CTRL); |
| + if (val & (1 << 5)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + DRM_ERROR("PMA ouput macro power up failed\n"); |
| + return false; |
| + } |
| + |
| + /* wait for cmn_ready */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_PMA_CMN_CTRL1); |
| + if (val & (1 << 0)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + DRM_ERROR("PMA output ready failed\n"); |
| + return false; |
| + } |
| + |
| + for (k = 0; k < num_lanes; k++) { |
| + cdns_phy_reg_write(mhdp, TX_PSC_A0 | (k << 9), 0x6791); |
| + cdns_phy_reg_write(mhdp, TX_PSC_A1 | (k << 9), 0x6790); |
| + cdns_phy_reg_write(mhdp, TX_PSC_A2 | (k << 9), 0x0090); |
| + cdns_phy_reg_write(mhdp, TX_PSC_A3 | (k << 9), 0x0090); |
| + |
| + val = cdns_phy_reg_read(mhdp, RX_PSC_CAL | (k << 9)); |
| + val &= 0xFFBB; |
| + cdns_phy_reg_write(mhdp, RX_PSC_CAL | (k << 9), val); |
| + |
| + val = cdns_phy_reg_read(mhdp, RX_PSC_A0 | (k << 9)); |
| + val &= 0xFFBB; |
| + cdns_phy_reg_write(mhdp, RX_PSC_A0 | (k << 9), val); |
| + } |
| + return true; |
| +} |
| + |
| +static int hdmi_phy_cfg_t28hpc(struct cdns_mhdp_device *mhdp, |
| + struct drm_display_mode *mode) |
| +{ |
| + const struct hdmi_ctrl *p_ctrl_table; |
| + const struct hdmi_pll_tuning *p_pll_table; |
| + const u32 refclk_freq_khz = 27000; |
| + const u8 pclk_in = false; |
| + u32 pixel_freq = mode->clock; |
| + u32 vco_freq, char_freq; |
| + u32 div_total, feedback_factor; |
| + u32 i, ret; |
| + |
| + feedback_factor = hdmi_feedback_factor(mhdp); |
| + |
| + char_freq = pixel_freq * feedback_factor / 1000; |
| + |
| + DRM_INFO("Pixel clock: %d KHz, character clock: %d, bpc is %0d-bit.\n", |
| + pixel_freq, char_freq, mhdp->video_info.color_depth); |
| + |
| + /* Get right row from the ctrl_table table. |
| + * Check if 'pixel_freq_khz' value matches the PIXEL_CLK_FREQ column. |
| + * Consider only the rows with FEEDBACK_FACTOR column matching feedback_factor. */ |
| + for (i = 0; i < ARRAY_SIZE(imx8mq_ctrl_table); i++) { |
| + if (feedback_factor == imx8mq_ctrl_table[i].feedback_factor && |
| + pixel_freq == imx8mq_ctrl_table[i].pixel_clk_freq_min) { |
| + p_ctrl_table = &imx8mq_ctrl_table[i]; |
| + break; |
| + } |
| + } |
| + if (i == ARRAY_SIZE(imx8mq_ctrl_table)) { |
| + DRM_WARN("Pixel clk (%d KHz) not supported, color depth (%0d-bit)\n", |
| + pixel_freq, mhdp->video_info.color_depth); |
| + return 0; |
| + } |
| + |
| + div_total = p_ctrl_table->pll_fb_div_total; |
| + vco_freq = refclk_freq_khz * div_total / p_ctrl_table->cmnda_pll0_ip_div; |
| + |
| + /* Get right row from the imx8mq_pll_table table. |
| + * Check if vco_freq_khz and feedback_div_total |
| + * column matching with imx8mq_pll_table. */ |
| + for (i = 0; i < ARRAY_SIZE(imx8mq_pll_table); i++) { |
| + if (vco_freq == imx8mq_pll_table[i].vco_freq_min && |
| + div_total == imx8mq_pll_table[i].feedback_div_total) { |
| + p_pll_table = &imx8mq_pll_table[i]; |
| + break; |
| + } |
| + } |
| + if (i == ARRAY_SIZE(imx8mq_pll_table)) { |
| + DRM_WARN("VCO (%d KHz) not supported\n", vco_freq); |
| + return 0; |
| + } |
| + DRM_INFO("VCO frequency is %d KHz\n", vco_freq); |
| + |
| + ret = hdmi_phy_config(mhdp, p_ctrl_table, p_pll_table, pclk_in); |
| + if (ret == false) |
| + return 0; |
| + |
| + return char_freq; |
| +} |
| + |
| +static int hdmi_phy_cfg_ss28fdsoi(struct cdns_mhdp_device *mhdp, |
| + struct drm_display_mode *mode) |
| +{ |
| + const struct hdmi_ctrl *p_ctrl_table; |
| + const struct hdmi_pll_tuning *p_pll_table; |
| + const u8 pclk_in = true; |
| + u32 pixel_freq = mode->clock; |
| + u32 vco_freq, char_freq; |
| + u32 div_total, feedback_factor; |
| + u32 ret, i; |
| + |
| + feedback_factor = hdmi_feedback_factor(mhdp); |
| + |
| + char_freq = pixel_freq * feedback_factor / 1000; |
| + |
| + DRM_INFO("Pixel clock: %d KHz, character clock: %d, bpc is %0d-bit.\n", |
| + pixel_freq, char_freq, mhdp->video_info.color_depth); |
| + |
| + /* Get right row from the ctrl_table table. |
| + * Check if 'pixel_freq_khz' value matches the PIXEL_CLK_FREQ column. |
| + * Consider only the rows with FEEDBACK_FACTOR column matching feedback_factor. */ |
| + for (i = 0; i < ARRAY_SIZE(imx8qm_ctrl_table); i++) { |
| + if (feedback_factor == imx8qm_ctrl_table[i].feedback_factor && |
| + pixel_freq >= imx8qm_ctrl_table[i].pixel_clk_freq_min && |
| + pixel_freq <= imx8qm_ctrl_table[i].pixel_clk_freq_max) { |
| + p_ctrl_table = &imx8qm_ctrl_table[i]; |
| + break; |
| + } |
| + } |
| + if (i == ARRAY_SIZE(imx8qm_ctrl_table)) { |
| + DRM_WARN("Pixel clk (%d KHz) not supported, color depth (%0d-bit)\n", |
| + pixel_freq, mhdp->video_info.color_depth); |
| + return 0; |
| + } |
| + |
| + div_total = p_ctrl_table->pll_fb_div_total; |
| + vco_freq = pixel_freq * div_total / p_ctrl_table->cmnda_pll0_ip_div; |
| + |
| + /* Get right row from the imx8mq_pll_table table. |
| + * Check if vco_freq_khz and feedback_div_total |
| + * column matching with imx8mq_pll_table. */ |
| + for (i = 0; i < ARRAY_SIZE(imx8qm_pll_table); i++) { |
| + if (vco_freq >= imx8qm_pll_table[i].vco_freq_min && |
| + vco_freq < imx8qm_pll_table[i].vco_freq_max && |
| + div_total == imx8qm_pll_table[i].feedback_div_total) { |
| + p_pll_table = &imx8qm_pll_table[i]; |
| + break; |
| + } |
| + } |
| + if (i == ARRAY_SIZE(imx8qm_pll_table)) { |
| + DRM_WARN("VCO (%d KHz) not supported\n", vco_freq); |
| + return 0; |
| + } |
| + DRM_INFO("VCO frequency is %d KHz\n", vco_freq); |
| + |
| + ret = hdmi_phy_config(mhdp, p_ctrl_table, p_pll_table, pclk_in); |
| + if (ret == false) |
| + return 0; |
| + |
| + return char_freq; |
| +} |
| + |
| +static int hdmi_phy_power_up(struct cdns_mhdp_device *mhdp) |
| +{ |
| + u32 val, i; |
| + |
| + /* set Power State to A2 */ |
| + cdns_phy_reg_write(mhdp, PHY_HDP_MODE_CTRL, 0x0004); |
| + |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_0, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_1, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_2, 1); |
| + cdns_phy_reg_write(mhdp, TX_DIAG_ACYA_3, 1); |
| + |
| + /* Wait for Power State A2 Ack */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_MODE_CTRL); |
| + if (val & (1 << 6)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait A2 Ack failed\n"); |
| + return -1; |
| + } |
| + |
| + /* Configure PHY in A0 mode (PHY must be in the A0 power |
| + * state in order to transmit data) |
| + */ |
| + //cdns_phy_reg_write(mhdp, PHY_HDP_MODE_CTRL, 0x0101); //imx8mq |
| + cdns_phy_reg_write(mhdp, PHY_HDP_MODE_CTRL, 0x0001); |
| + |
| + /* Wait for Power State A0 Ack */ |
| + for (i = 0; i < 10; i++) { |
| + val = cdns_phy_reg_read(mhdp, PHY_HDP_MODE_CTRL); |
| + if (val & (1 << 4)) |
| + break; |
| + msleep(20); |
| + } |
| + if (i == 10) { |
| + dev_err(mhdp->dev, "Wait A0 Ack failed\n"); |
| + return -1; |
| + } |
| + return 0; |
| +} |
| + |
| +int cdns_hdmi_phy_set_imx8mq(struct imx_mhdp_device *hdp) |
| +{ |
| + struct cdns_mhdp_device *mhdp = &hdp->mhdp; |
| + struct drm_display_mode *mode = &mhdp->mode; |
| + int ret; |
| + |
| + /* Check HDMI FW alive before HDMI PHY init */ |
| + ret = cdns_mhdp_check_alive(mhdp); |
| + if (ret == false) { |
| + DRM_ERROR("NO HDMI FW running\n"); |
| + return -ENXIO; |
| + } |
| + |
| + /* Configure PHY */ |
| + mhdp->hdmi.char_rate = hdmi_phy_cfg_t28hpc(mhdp, mode); |
| + if (mhdp->hdmi.char_rate == 0) { |
| + DRM_ERROR("failed to set phy pclock\n"); |
| + return -EINVAL; |
| + } |
| + |
| + ret = hdmi_phy_power_up(mhdp); |
| + if (ret < 0) |
| + return ret; |
| + |
| + hdmi_phy_set_vswing(mhdp); |
| + |
| + return true; |
| +} |
| + |
| +int cdns_hdmi_phy_set_imx8qm(struct imx_mhdp_device *hdp) |
| +{ |
| + struct cdns_mhdp_device *mhdp = &hdp->mhdp; |
| + struct drm_display_mode *mode = &mhdp->mode; |
| + int ret; |
| + |
| + /* Check HDMI FW alive before HDMI PHY init */ |
| + ret = cdns_mhdp_check_alive(mhdp); |
| + if (ret == false) { |
| + DRM_ERROR("NO HDMI FW running\n"); |
| + return -ENXIO; |
| + } |
| + |
| + /* Configure PHY */ |
| + mhdp->hdmi.char_rate = hdmi_phy_cfg_ss28fdsoi(mhdp, mode); |
| + if (mhdp->hdmi.char_rate == 0) { |
| + DRM_ERROR("failed to set phy pclock\n"); |
| + return -EINVAL; |
| + } |
| + |
| + ret = hdmi_phy_power_up(mhdp); |
| + if (ret < 0) |
| + return ret; |
| + |
| + hdmi_phy_set_vswing(mhdp); |
| + |
| + return true; |
| +} |
| + |
| --- /dev/null |
| +++ b/drivers/gpu/drm/imx/cdn-mhdp-imx8mq.c |
| @@ -0,0 +1,163 @@ |
| +/* |
| + * Copyright (C) 2019 NXP Semiconductor, Inc. |
| + * |
| + * This program is free software; you can redistribute it and/or modify |
| + * it under the terms of the GNU General Public License version 2 as |
| + * published by the Free Software Foundation. |
| + */ |
| +#include <linux/module.h> |
| +#include <linux/platform_device.h> |
| +#include <linux/component.h> |
| +#include <linux/mfd/syscon.h> |
| +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> |
| +#include <drm/drm_of.h> |
| +#include <drm/drmP.h> |
| +#include <drm/drm_crtc_helper.h> |
| +#include <drm/drm_edid.h> |
| +#include <drm/drm_encoder_slave.h> |
| + |
| +#include <drm/bridge/cdns-mhdp-imx.h> |
| +#include "cdn-mhdp-phy.h" |
| +#include "imx-drm.h" |
| + |
| +struct imx_hdmi { |
| + struct device *dev; |
| + struct drm_encoder encoder; |
| +}; |
| + |
| +static void cdns_hdmi_imx_encoder_disable(struct drm_encoder *encoder) |
| +{ |
| +} |
| + |
| +static void cdns_hdmi_imx_encoder_enable(struct drm_encoder *encoder) |
| +{ |
| +} |
| + |
| +static int cdns_hdmi_imx_atomic_check(struct drm_encoder *encoder, |
| + struct drm_crtc_state *crtc_state, |
| + struct drm_connector_state *conn_state) |
| +{ |
| + return 0; |
| +} |
| + |
| +static const struct drm_encoder_helper_funcs cdns_hdmi_imx_encoder_helper_funcs = { |
| + .enable = cdns_hdmi_imx_encoder_enable, |
| + .disable = cdns_hdmi_imx_encoder_disable, |
| + .atomic_check = cdns_hdmi_imx_atomic_check, |
| +}; |
| + |
| +static const struct drm_encoder_funcs cdns_hdmi_imx_encoder_funcs = { |
| + .destroy = drm_encoder_cleanup, |
| +}; |
| + |
| +static struct cdn_plat_data imx8mq_hdmi_drv_data = { |
| + .bind = cdns_hdmi_bind, |
| + .unbind = cdns_hdmi_unbind, |
| + .phy_init = cdns_hdmi_phy_set_imx8mq, |
| +}; |
| + |
| +static struct cdn_plat_data imx8mq_dp_drv_data = { |
| + .bind = cdns_dp_bind, |
| + .unbind = cdns_dp_unbind, |
| + .phy_init = cdns_dp_phy_init_imx8mq, |
| +}; |
| + |
| +static const struct of_device_id cdns_hdmi_imx_dt_ids[] = { |
| + { .compatible = "cdn,imx8mq-hdmi", |
| + .data = &imx8mq_hdmi_drv_data |
| + }, |
| + { .compatible = "cdn,imx8mq-dp", |
| + .data = &imx8mq_dp_drv_data |
| + }, |
| + {}, |
| +}; |
| +MODULE_DEVICE_TABLE(of, cdns_hdmi_imx_dt_ids); |
| + |
| +static int cdns_hdmi_imx_bind(struct device *dev, struct device *master, |
| + void *data) |
| +{ |
| + struct platform_device *pdev = to_platform_device(dev); |
| + const struct cdn_plat_data *plat_data; |
| + const struct of_device_id *match; |
| + struct drm_device *drm = data; |
| + struct drm_encoder *encoder; |
| + struct imx_hdmi *hdmi; |
| + int ret; |
| + |
| + if (!pdev->dev.of_node) |
| + return -ENODEV; |
| + |
| + hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); |
| + if (!hdmi) |
| + return -ENOMEM; |
| + |
| + match = of_match_node(cdns_hdmi_imx_dt_ids, pdev->dev.of_node); |
| + plat_data = match->data; |
| + hdmi->dev = &pdev->dev; |
| + encoder = &hdmi->encoder; |
| + |
| + encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); |
| + /* |
| + * If we failed to find the CRTC(s) which this encoder is |
| + * supposed to be connected to, it's because the CRTC has |
| + * not been registered yet. Defer probing, and hope that |
| + * the required CRTC is added later. |
| + */ |
| + if (encoder->possible_crtcs == 0) |
| + return -EPROBE_DEFER; |
| + |
| + drm_encoder_helper_add(encoder, &cdns_hdmi_imx_encoder_helper_funcs); |
| + drm_encoder_init(drm, encoder, &cdns_hdmi_imx_encoder_funcs, |
| + DRM_MODE_ENCODER_TMDS, NULL); |
| + |
| + ret = plat_data->bind(pdev, encoder, plat_data); |
| + |
| + /* |
| + * If cdns_hdmi_bind() fails we'll never call cdns_hdmi_unbind(), |
| + * which would have called the encoder cleanup. Do it manually. |
| + */ |
| + if (ret) |
| + drm_encoder_cleanup(encoder); |
| + |
| + return ret; |
| +} |
| + |
| +static void cdns_hdmi_imx_unbind(struct device *dev, struct device *master, |
| + void *data) |
| +{ |
| + struct imx_mhdp_device *hdp = dev_get_drvdata(dev); |
| + |
| + hdp->plat_data->unbind(dev); |
| +} |
| + |
| +static const struct component_ops cdns_hdmi_imx_ops = { |
| + .bind = cdns_hdmi_imx_bind, |
| + .unbind = cdns_hdmi_imx_unbind, |
| +}; |
| + |
| +static int cdns_hdmi_imx_probe(struct platform_device *pdev) |
| +{ |
| + return component_add(&pdev->dev, &cdns_hdmi_imx_ops); |
| +} |
| + |
| +static int cdns_hdmi_imx_remove(struct platform_device *pdev) |
| +{ |
| + component_del(&pdev->dev, &cdns_hdmi_imx_ops); |
| + |
| + return 0; |
| +} |
| + |
| +static struct platform_driver cdns_hdmi_imx_platform_driver = { |
| + .probe = cdns_hdmi_imx_probe, |
| + .remove = cdns_hdmi_imx_remove, |
| + .driver = { |
| + .name = "cdn-hdp-imx8mq", |
| + .of_match_table = cdns_hdmi_imx_dt_ids, |
| + }, |
| +}; |
| + |
| +module_platform_driver(cdns_hdmi_imx_platform_driver); |
| + |
| +MODULE_AUTHOR("Sandor YU <sandor.yu@nxp.com>"); |
| +MODULE_LICENSE("GPL"); |
| +MODULE_ALIAS("platform:cdnhdmi-imx"); |
| --- /dev/null |
| +++ b/drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c |
| @@ -0,0 +1,714 @@ |
| +/* |
| + * Copyright (C) 2019 NXP Semiconductor, Inc. |
| + * |
| + * This program is free software; you can redistribute it and/or modify |
| + * it under the terms of the GNU General Public License version 2 as |
| + * published by the Free Software Foundation. |
| + */ |
| +#include <dt-bindings/firmware/imx/rsrc.h> |
| +#include <linux/clk.h> |
| +#include <linux/module.h> |
| +#include <linux/platform_device.h> |
| +#include <linux/component.h> |
| +#include <drm/drm_of.h> |
| +#include <drm/drmP.h> |
| +#include <drm/drm_crtc_helper.h> |
| +#include <drm/drm_encoder_slave.h> |
| +#include <linux/firmware/imx/sci.h> |
| +#include <linux/regmap.h> |
| +#include <linux/pm_domain.h> |
| + |
| +#include <drm/bridge/cdns-mhdp-imx.h> |
| +#include "cdn-mhdp-phy.h" |
| +#include "imx-drm.h" |
| + |
| +#define CSR_PIXEL_LINK_MUX_CTL 0x00 |
| +#define PL_MUX_CTL_VCP_OFFSET 5 |
| +#define PL_MUX_CTL_HCP_OFFSET 4 |
| + |
| +#define PLL_800MHZ (800000000) |
| + |
| +struct imx_hdmi { |
| + struct device *dev; |
| + struct drm_encoder encoder; |
| +}; |
| + |
| +static void imx8qm_pixel_link_mux(struct imx_mhdp_device *hdp) |
| +{ |
| + struct drm_display_mode *mode = &hdp->mhdp.mode; |
| + u32 val; |
| + |
| + val = 0x4; /* RGB */ |
| + if (hdp->dual_mode) |
| + val |= 0x2; /* pixel link 0 and 1 are active */ |
| + if (mode->flags & DRM_MODE_FLAG_PVSYNC) |
| + val |= 1 << PL_MUX_CTL_VCP_OFFSET; |
| + if (mode->flags & DRM_MODE_FLAG_PHSYNC) |
| + val |= 1 << PL_MUX_CTL_HCP_OFFSET; |
| + if (mode->flags & DRM_MODE_FLAG_INTERLACE) |
| + val |= 0x2; |
| + |
| + regmap_write(hdp->regmap_csr, hdp->csr_pxl_mux_reg, val); |
| +} |
| + |
| +static void imx8qm_pixel_link_valid(u32 dual_mode) |
| +{ |
| + struct imx_sc_ipc *handle; |
| + |
| + imx_scu_get_handle(&handle); |
| + |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_PXL_LINK_MST1_VLD, 1); |
| + if (dual_mode) |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_PXL_LINK_MST2_VLD, 1); |
| +} |
| + |
| +static void imx8qm_pixel_link_invalid(u32 dual_mode) |
| +{ |
| + struct imx_sc_ipc *handle; |
| + |
| + imx_scu_get_handle(&handle); |
| + |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_PXL_LINK_MST1_VLD, 0); |
| + if (dual_mode) |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_PXL_LINK_MST2_VLD, 0); |
| +} |
| + |
| +static void imx8qm_pixel_link_sync_enable(u32 dual_mode) |
| +{ |
| + struct imx_sc_ipc *handle; |
| + |
| + imx_scu_get_handle(&handle); |
| + |
| + if (dual_mode) |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_SYNC_CTRL, 3); |
| + else |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_SYNC_CTRL0, 1); |
| +} |
| + |
| +static void imx8qm_pixel_link_sync_disable(u32 dual_mode) |
| +{ |
| + struct imx_sc_ipc *handle; |
| + |
| + imx_scu_get_handle(&handle); |
| + |
| + if (dual_mode) |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_SYNC_CTRL, 0); |
| + else |
| + imx_sc_misc_set_control(handle, IMX_SC_R_DC_0, IMX_SC_C_SYNC_CTRL0, 0); |
| +} |
| + |
| +static void imx8qm_phy_reset(u8 reset) |
| +{ |
| + struct imx_sc_ipc *handle; |
| + |
| + imx_scu_get_handle(&handle); |
| + |
| + /* set the pixel link mode and pixel type */ |
| + imx_sc_misc_set_control(handle, IMX_SC_R_HDMI, IMX_SC_C_PHY_RESET, reset); |
| +} |
| + |
| +static void imx8qm_clk_mux(u8 is_dp) |
| +{ |
| + struct imx_sc_ipc *handle; |
| + |
| + imx_scu_get_handle(&handle); |
| + |
| + if (is_dp) |
| + /* Enable the 24MHz for HDP PHY */ |
| + imx_sc_misc_set_control(handle, IMX_SC_R_HDMI, IMX_SC_C_MODE, 1); |
| + else |
| + imx_sc_misc_set_control(handle, IMX_SC_R_HDMI, IMX_SC_C_MODE, 0); |
| +} |
| + |
| +int imx8qm_clocks_init(struct imx_mhdp_device *hdp) |
| +{ |
| + struct device *dev = hdp->mhdp.dev; |
| + struct imx_hdp_clks *clks = &hdp->clks; |
| + |
| + clks->dig_pll = devm_clk_get(dev, "dig_pll"); |
| + if (IS_ERR(clks->dig_pll)) { |
| + dev_warn(dev, "failed to get dig pll clk\n"); |
| + return PTR_ERR(clks->dig_pll); |
| + } |
| + |
| + clks->av_pll = devm_clk_get(dev, "av_pll"); |
| + if (IS_ERR(clks->av_pll)) { |
| + dev_warn(dev, "failed to get av pll clk\n"); |
| + return PTR_ERR(clks->av_pll); |
| + } |
| + |
| + clks->clk_ipg = devm_clk_get(dev, "clk_ipg"); |
| + if (IS_ERR(clks->clk_ipg)) { |
| + dev_warn(dev, "failed to get dp ipg clk\n"); |
| + return PTR_ERR(clks->clk_ipg); |
| + } |
| + |
| + clks->clk_core = devm_clk_get(dev, "clk_core"); |
| + if (IS_ERR(clks->clk_core)) { |
| + dev_warn(dev, "failed to get hdp core clk\n"); |
| + return PTR_ERR(clks->clk_core); |
| + } |
| + |
| + clks->clk_pxl = devm_clk_get(dev, "clk_pxl"); |
| + if (IS_ERR(clks->clk_pxl)) { |
| + dev_warn(dev, "failed to get pxl clk\n"); |
| + return PTR_ERR(clks->clk_pxl); |
| + } |
| + |
| + clks->clk_pxl_mux = devm_clk_get(dev, "clk_pxl_mux"); |
| + if (IS_ERR(clks->clk_pxl_mux)) { |
| + dev_warn(dev, "failed to get pxl mux clk\n"); |
| + return PTR_ERR(clks->clk_pxl_mux); |
| + } |
| + |
| + clks->clk_pxl_link = devm_clk_get(dev, "clk_pxl_link"); |
| + if (IS_ERR(clks->clk_pxl_mux)) { |
| + dev_warn(dev, "failed to get pxl link clk\n"); |
| + return PTR_ERR(clks->clk_pxl_link); |
| + } |
| + |
| + clks->lpcg_hdp = devm_clk_get(dev, "lpcg_hdp"); |
| + if (IS_ERR(clks->lpcg_hdp)) { |
| + dev_warn(dev, "failed to get lpcg hdp clk\n"); |
| + return PTR_ERR(clks->lpcg_hdp); |
| + } |
| + |
| + clks->lpcg_msi = devm_clk_get(dev, "lpcg_msi"); |
| + if (IS_ERR(clks->lpcg_msi)) { |
| + dev_warn(dev, "failed to get lpcg msi clk\n"); |
| + return PTR_ERR(clks->lpcg_msi); |
| + } |
| + |
| + clks->lpcg_pxl = devm_clk_get(dev, "lpcg_pxl"); |
| + if (IS_ERR(clks->lpcg_pxl)) { |
| + dev_warn(dev, "failed to get lpcg pxl clk\n"); |
| + return PTR_ERR(clks->lpcg_pxl); |
| + } |
| + |
| + clks->lpcg_vif = devm_clk_get(dev, "lpcg_vif"); |
| + if (IS_ERR(clks->lpcg_vif)) { |
| + dev_warn(dev, "failed to get lpcg vif clk\n"); |
| + return PTR_ERR(clks->lpcg_vif); |
| + } |
| + |
| + clks->lpcg_lis = devm_clk_get(dev, "lpcg_lis"); |
| + if (IS_ERR(clks->lpcg_lis)) { |
| + dev_warn(dev, "failed to get lpcg lis clk\n"); |
| + return PTR_ERR(clks->lpcg_lis); |
| + } |
| + |
| + clks->lpcg_apb = devm_clk_get(dev, "lpcg_apb"); |
| + if (IS_ERR(clks->lpcg_apb)) { |
| + dev_warn(dev, "failed to get lpcg apb clk\n"); |
| + return PTR_ERR(clks->lpcg_apb); |
| + } |
| + |
| + clks->lpcg_apb_csr = devm_clk_get(dev, "lpcg_apb_csr"); |
| + if (IS_ERR(clks->lpcg_apb_csr)) { |
| + dev_warn(dev, "failed to get apb csr clk\n"); |
| + return PTR_ERR(clks->lpcg_apb_csr); |
| + } |
| + |
| + clks->lpcg_apb_ctrl = devm_clk_get(dev, "lpcg_apb_ctrl"); |
| + if (IS_ERR(clks->lpcg_apb_ctrl)) { |
| + dev_warn(dev, "failed to get lpcg apb ctrl clk\n"); |
| + return PTR_ERR(clks->lpcg_apb_ctrl); |
| + } |
| + |
| + clks->clk_i2s_bypass = devm_clk_get(dev, "clk_i2s_bypass"); |
| + if (IS_ERR(clks->clk_i2s_bypass)) { |
| + dev_err(dev, "failed to get i2s bypass clk\n"); |
| + return PTR_ERR(clks->clk_i2s_bypass); |
| + } |
| + |
| + clks->lpcg_i2s = devm_clk_get(dev, "lpcg_i2s"); |
| + if (IS_ERR(clks->lpcg_i2s)) { |
| + dev_err(dev, "failed to get lpcg i2s clk\n"); |
| + return PTR_ERR(clks->lpcg_i2s); |
| + } |
| + return true; |
| +} |
| + |
| +static int imx8qm_pixel_clk_enable(struct imx_mhdp_device *hdp) |
| +{ |
| + struct imx_hdp_clks *clks = &hdp->clks; |
| + struct device *dev = hdp->mhdp.dev; |
| + int ret; |
| + |
| + ret = clk_prepare_enable(clks->av_pll); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre av pll error\n", __func__); |
| + return ret; |
| + } |
| + |
| + ret = clk_prepare_enable(clks->clk_pxl); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk pxl error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->clk_pxl_mux); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk pxl mux error\n", __func__); |
| + return ret; |
| + } |
| + |
| + ret = clk_prepare_enable(clks->clk_pxl_link); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk pxl link error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_vif); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk vif error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_pxl); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre lpcg pxl error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_hdp); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre lpcg hdp error\n", __func__); |
| + return ret; |
| + } |
| + return ret; |
| + |
| +} |
| + |
| +static void imx8qm_pixel_clk_disable(struct imx_mhdp_device *hdp) |
| +{ |
| + struct imx_hdp_clks *clks = &hdp->clks; |
| + |
| + clk_disable_unprepare(clks->lpcg_pxl); |
| + clk_disable_unprepare(clks->lpcg_hdp); |
| + clk_disable_unprepare(clks->lpcg_vif); |
| + clk_disable_unprepare(clks->clk_pxl); |
| + clk_disable_unprepare(clks->clk_pxl_link); |
| + clk_disable_unprepare(clks->clk_pxl_mux); |
| + clk_disable_unprepare(clks->av_pll); |
| +} |
| + |
| +static void imx8qm_pixel_clk_set_rate(struct imx_mhdp_device *hdp, u32 pclock) |
| +{ |
| + struct imx_hdp_clks *clks = &hdp->clks; |
| + |
| + /* pixel clock for HDMI */ |
| + clk_set_rate(clks->av_pll, pclock); |
| + |
| + if (hdp->dual_mode == true) { |
| + clk_set_rate(clks->clk_pxl, pclock/2); |
| + clk_set_rate(clks->clk_pxl_link, pclock/2); |
| + } else { |
| + clk_set_rate(clks->clk_pxl_link, pclock); |
| + clk_set_rate(clks->clk_pxl, pclock); |
| + } |
| + clk_set_rate(clks->clk_pxl_mux, pclock); |
| +} |
| + |
| +static void imx8qm_pixel_clk_rate_change(struct imx_mhdp_device *hdp) |
| +{ |
| + /* set pixel clock before video mode setup */ |
| + imx8qm_pixel_clk_disable(hdp); |
| + |
| + imx8qm_pixel_clk_set_rate(hdp, hdp->mhdp.mode.clock * 1000); |
| + |
| + imx8qm_pixel_clk_enable(hdp); |
| + |
| + /* Config pixel link mux */ |
| + imx8qm_pixel_link_mux(hdp); |
| +} |
| + |
| +static int imx8qm_ipg_clk_enable(struct imx_mhdp_device *hdp) |
| +{ |
| + int ret; |
| + struct imx_hdp_clks *clks = &hdp->clks; |
| + struct device *dev = hdp->mhdp.dev; |
| + |
| + ret = clk_prepare_enable(clks->dig_pll); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre dig pll error\n", __func__); |
| + return ret; |
| + } |
| + |
| + ret = clk_prepare_enable(clks->clk_ipg); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk_ipg error\n", __func__); |
| + return ret; |
| + } |
| + |
| + ret = clk_prepare_enable(clks->clk_core); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk core error\n", __func__); |
| + return ret; |
| + } |
| + |
| + ret = clk_prepare_enable(clks->lpcg_apb); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk apb error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_lis); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk lis error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_msi); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk msierror\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_apb_csr); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk apb csr error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_apb_ctrl); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk apb ctrl error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->lpcg_i2s); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk i2s error\n", __func__); |
| + return ret; |
| + } |
| + ret = clk_prepare_enable(clks->clk_i2s_bypass); |
| + if (ret < 0) { |
| + dev_err(dev, "%s, pre clk i2s bypass error\n", __func__); |
| + return ret; |
| + } |
| + return ret; |
| +} |
| + |
| +static void imx8qm_ipg_clk_disable(struct imx_mhdp_device *hdp) |
| +{ |
| + struct imx_hdp_clks *clks = &hdp->clks; |
| + |
| + clk_disable_unprepare(clks->clk_i2s_bypass); |
| + clk_disable_unprepare(clks->lpcg_i2s); |
| + clk_disable_unprepare(clks->lpcg_apb_ctrl); |
| + clk_disable_unprepare(clks->lpcg_apb_csr); |
| + clk_disable_unprepare(clks->lpcg_msi); |
| + clk_disable_unprepare(clks->lpcg_lis); |
| + clk_disable_unprepare(clks->lpcg_apb); |
| + clk_disable_unprepare(clks->clk_core); |
| + clk_disable_unprepare(clks->clk_ipg); |
| + clk_disable_unprepare(clks->dig_pll); |
| +} |
| + |
| +static void imx8qm_ipg_clk_set_rate(struct imx_mhdp_device *hdp) |
| +{ |
| + struct imx_hdp_clks *clks = &hdp->clks; |
| + |
| + /* ipg/core clock */ |
| + clk_set_rate(clks->dig_pll, PLL_800MHZ); |
| + clk_set_rate(clks->clk_core, PLL_800MHZ/4); |
| + clk_set_rate(clks->clk_ipg, PLL_800MHZ/8); |
| +} |
| + |
| +static void imx8qm_detach_pm_domains(struct imx_mhdp_device *hdp) |
| +{ |
| + if (hdp->pd_pll1_link && !IS_ERR(hdp->pd_pll1_link)) |
| + device_link_del(hdp->pd_pll1_link); |
| + if (hdp->pd_pll1_dev && !IS_ERR(hdp->pd_pll1_dev)) |
| + dev_pm_domain_detach(hdp->pd_pll1_dev, true); |
| + |
| + if (hdp->pd_pll0_link && !IS_ERR(hdp->pd_pll0_link)) |
| + device_link_del(hdp->pd_pll0_link); |
| + if (hdp->pd_pll0_dev && !IS_ERR(hdp->pd_pll0_dev)) |
| + dev_pm_domain_detach(hdp->pd_pll0_dev, true); |
| + |
| + if (hdp->pd_mhdp_link && !IS_ERR(hdp->pd_mhdp_link)) |
| + device_link_del(hdp->pd_mhdp_link); |
| + if (hdp->pd_mhdp_dev && !IS_ERR(hdp->pd_mhdp_dev)) |
| + dev_pm_domain_detach(hdp->pd_mhdp_dev, true); |
| + |
| + hdp->pd_mhdp_dev = NULL; |
| + hdp->pd_mhdp_link = NULL; |
| + hdp->pd_pll0_dev = NULL; |
| + hdp->pd_pll0_link = NULL; |
| + hdp->pd_pll1_dev = NULL; |
| + hdp->pd_pll1_link = NULL; |
| +} |
| + |
| +static int imx8qm_attach_pm_domains(struct imx_mhdp_device *hdp) |
| +{ |
| + struct device *dev = hdp->mhdp.dev; |
| + u32 flags = DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE; |
| + int ret = 0; |
| + |
| + hdp->pd_mhdp_dev = dev_pm_domain_attach_by_name(dev, "hdmi"); |
| + if (IS_ERR(hdp->pd_mhdp_dev)) { |
| + ret = PTR_ERR(hdp->pd_mhdp_dev); |
| + dev_err(dev, "Failed to attach dc pd dev: %d\n", ret); |
| + goto fail; |
| + } |
| + hdp->pd_mhdp_link = device_link_add(dev, hdp->pd_mhdp_dev, flags); |
| + if (IS_ERR(hdp->pd_mhdp_link)) { |
| + ret = PTR_ERR(hdp->pd_mhdp_link); |
| + dev_err(dev, "Failed to add device link to dc pd dev: %d\n", |
| + ret); |
| + goto fail; |
| + } |
| + |
| + hdp->pd_pll0_dev = dev_pm_domain_attach_by_name(dev, "pll0"); |
| + if (IS_ERR(hdp->pd_pll0_dev)) { |
| + ret = PTR_ERR(hdp->pd_pll0_dev); |
| + dev_err(dev, "Failed to attach pll0 pd dev: %d\n", ret); |
| + goto fail; |
| + } |
| + hdp->pd_pll0_link = device_link_add(dev, hdp->pd_pll0_dev, flags); |
| + if (IS_ERR(hdp->pd_pll0_link)) { |
| + ret = PTR_ERR(hdp->pd_pll0_link); |
| + dev_err(dev, "Failed to add device link to pll0 pd dev: %d\n", |
| + ret); |
| + goto fail; |
| + } |
| + |
| + hdp->pd_pll1_dev = dev_pm_domain_attach_by_name(dev, "pll1"); |
| + if (IS_ERR(hdp->pd_pll1_dev)) { |
| + ret = PTR_ERR(hdp->pd_pll1_dev); |
| + dev_err(dev, "Failed to attach pll0 pd dev: %d\n", ret); |
| + goto fail; |
| + } |
| + hdp->pd_pll1_link = device_link_add(dev, hdp->pd_pll1_dev, flags); |
| + if (IS_ERR(hdp->pd_pll1_link)) { |
| + ret = PTR_ERR(hdp->pd_pll1_link); |
| + dev_err(dev, "Failed to add device link to pll1 pd dev: %d\n", |
| + ret); |
| + goto fail; |
| + } |
| +fail: |
| + imx8qm_detach_pm_domains(hdp); |
| + return ret; |
| +} |
| + |
| +static int imx8qm_firmware_init(struct imx_mhdp_device *hdp) |
| +{ |
| + u32 rate; |
| + int ret; |
| + |
| + /* Power on PM Domains */ |
| + imx8qm_attach_pm_domains(hdp); |
| + |
| + /* clock init and rate set */ |
| + imx8qm_clocks_init(hdp); |
| + |
| + imx8qm_ipg_clk_set_rate(hdp); |
| + |
| + /* Init pixel clock with 148.5MHz before FW init */ |
| + imx8qm_pixel_clk_set_rate(hdp, 148500000); |
| + |
| + imx8qm_ipg_clk_enable(hdp); |
| + |
| + imx8qm_clk_mux(hdp->plat_data->is_dp); |
| + |
| + imx8qm_pixel_clk_enable(hdp); |
| + |
| + imx8qm_phy_reset(1); |
| + |
| + hdp->csr_pxl_mux_reg = 0; |
| + hdp->csr_ctrl0_reg = 0x8; |
| + hdp->csr_ctrl0_sec = 0xc; |
| + /* iMX8QM HDP register, Remap HPD memory address to low 4K */ |
| + regmap_write(hdp->regmap_csr, hdp->csr_ctrl0_reg, 0); |
| + |
| + /* configure HDMI/DP core clock */ |
| + rate = clk_get_rate(hdp->clks.clk_core); |
| + cdns_mhdp_set_fw_clk(&hdp->mhdp, rate); |
| + |
| + /* un-reset ucpu */ |
| + writel(0, (APB_CTRL << 2) + hdp->mhdp.regs); |
| + DRM_INFO("Started firmware!\n"); |
| + |
| + ret = cdns_mhdp_check_alive(&hdp->mhdp); |
| + if (ret == false) { |
| + DRM_ERROR("NO HDMI FW running\n"); |
| + return -ENXIO; |
| + } |
| + |
| + /* turn on IP activity */ |
| + cdns_mhdp_set_firmware_active(&hdp->mhdp, 1); |
| + |
| + DRM_INFO("HDP FW Version - ver %d verlib %d\n", |
| + __raw_readb(VER_L + hdp->mhdp.regs) + (__raw_readb(VER_H + hdp->mhdp.regs) << 8), |
| + __raw_readb(VER_LIB_L_ADDR + hdp->mhdp.regs) + (__raw_readb(VER_LIB_H_ADDR + hdp->mhdp.regs) << 8)); |
| + |
| + return 0; |
| +} |
| + |
| +static void cdns_hdmi_imx_encoder_disable(struct drm_encoder *encoder) |
| +{ |
| + struct imx_mhdp_device *hdp = encoder->bridge->driver_private; |
| + |
| + imx8qm_pixel_link_sync_disable(hdp->dual_mode); |
| + imx8qm_pixel_link_invalid(hdp->dual_mode); |
| +} |
| + |
| +static void cdns_hdmi_imx_encoder_enable(struct drm_encoder *encoder) |
| +{ |
| + struct imx_mhdp_device *hdp = encoder->bridge->driver_private; |
| + |
| + imx8qm_pixel_link_valid(hdp->dual_mode); |
| + imx8qm_pixel_link_sync_enable(hdp->dual_mode); |
| +} |
| + |
| +static int cdns_hdmi_imx_encoder_atomic_check(struct drm_encoder *encoder, |
| + struct drm_crtc_state *crtc_state, |
| + struct drm_connector_state *conn_state) |
| +{ |
| + struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state); |
| + |
| + imx_crtc_state->bus_format = MEDIA_BUS_FMT_RGB101010_1X30; |
| + return 0; |
| +} |
| + |
| +static const struct drm_encoder_helper_funcs cdns_hdmi_imx_encoder_helper_funcs = { |
| + .enable = cdns_hdmi_imx_encoder_enable, |
| + .disable = cdns_hdmi_imx_encoder_disable, |
| + .atomic_check = cdns_hdmi_imx_encoder_atomic_check, |
| +}; |
| + |
| +static const struct drm_encoder_funcs cdns_hdmi_imx_encoder_funcs = { |
| + .destroy = drm_encoder_cleanup, |
| +}; |
| + |
| +#if 0 |
| +static struct cdn_plat_data imx8mq_hdmi_drv_data = { |
| + .bind = cdns_hdmi_bind, |
| + .unbind = cdns_hdmi_unbind, |
| + .phy_init = cdns_hdmi_phy_set_imx8mq, |
| +}; |
| + |
| +static struct cdn_plat_data imx8mq_dp_drv_data = { |
| + .bind = cdns_dp_bind, |
| + .unbind = cdns_dp_unbind, |
| + .phy_init = cdns_dp_phy_init_imx8mq, |
| +}; |
| +#endif |
| + |
| +static struct cdn_plat_data imx8qm_hdmi_drv_data = { |
| + .bind = cdns_hdmi_bind, |
| + .unbind = cdns_hdmi_unbind, |
| + .phy_init = cdns_hdmi_phy_set_imx8qm, |
| + .fw_init = imx8qm_firmware_init, |
| + .pclock_change = imx8qm_pixel_clk_rate_change, |
| +}; |
| + |
| +static struct cdn_plat_data imx8qm_dp_drv_data = { |
| + .bind = cdns_dp_bind, |
| + .unbind = cdns_dp_unbind, |
| + .phy_init = cdns_dp_phy_init_imx8qm, |
| + .fw_init = imx8qm_firmware_init, |
| + .pclock_change = imx8qm_pixel_clk_rate_change, |
| + .is_dp = true, |
| +}; |
| + |
| +static const struct of_device_id cdns_hdmi_imx_dt_ids[] = { |
| +#if 0 |
| + { .compatible = "cdn,imx8mq-hdmi", |
| + .data = &imx8mq_hdmi_drv_data |
| + }, |
| + { .compatible = "cdn,imx8mq-dp", |
| + .data = &imx8mq_dp_drv_data |
| + }, |
| +#endif |
| + { .compatible = "cdn,imx8qm-hdmi", |
| + .data = &imx8qm_hdmi_drv_data |
| + }, |
| + { .compatible = "cdn,imx8qm-dp", |
| + .data = &imx8qm_dp_drv_data |
| + }, |
| + {}, |
| +}; |
| +MODULE_DEVICE_TABLE(of, cdns_hdmi_imx_dt_ids); |
| + |
| +static int cdns_hdmi_imx_bind(struct device *dev, struct device *master, |
| + void *data) |
| +{ |
| + struct platform_device *pdev = to_platform_device(dev); |
| + const struct cdn_plat_data *plat_data; |
| + const struct of_device_id *match; |
| + struct drm_device *drm = data; |
| + struct drm_encoder *encoder; |
| + struct imx_hdmi *hdmi; |
| + int ret; |
| + |
| + if (!pdev->dev.of_node) |
| + return -ENODEV; |
| + |
| + hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); |
| + if (!hdmi) |
| + return -ENOMEM; |
| + |
| + match = of_match_node(cdns_hdmi_imx_dt_ids, pdev->dev.of_node); |
| + plat_data = match->data; |
| + hdmi->dev = &pdev->dev; |
| + encoder = &hdmi->encoder; |
| + |
| + encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); |
| + /* |
| + * If we failed to find the CRTC(s) which this encoder is |
| + * supposed to be connected to, it's because the CRTC has |
| + * not been registered yet. Defer probing, and hope that |
| + * the required CRTC is added later. |
| + */ |
| + if (encoder->possible_crtcs == 0) |
| + return -EPROBE_DEFER; |
| + |
| + drm_encoder_helper_add(encoder, &cdns_hdmi_imx_encoder_helper_funcs); |
| + drm_encoder_init(drm, encoder, &cdns_hdmi_imx_encoder_funcs, |
| + DRM_MODE_ENCODER_TMDS, NULL); |
| + |
| + ret = plat_data->bind(pdev, encoder, plat_data); |
| + |
| + /* |
| + * If cdns_hdmi_bind() fails we'll never call cdns_hdmi_unbind(), |
| + * which would have called the encoder cleanup. Do it manually. |
| + */ |
| + if (ret) |
| + drm_encoder_cleanup(encoder); |
| + |
| + return ret; |
| +} |
| + |
| +static void cdns_hdmi_imx_unbind(struct device *dev, struct device *master, |
| + void *data) |
| +{ |
| + struct imx_mhdp_device *hdp = dev_get_drvdata(dev); |
| + |
| + hdp->plat_data->unbind(dev); |
| +} |
| + |
| +static const struct component_ops cdns_hdmi_imx8qm_ops = { |
| + .bind = cdns_hdmi_imx_bind, |
| + .unbind = cdns_hdmi_imx_unbind, |
| +}; |
| + |
| +static int cdns_hdmi_imx_probe(struct platform_device *pdev) |
| +{ |
| + return component_add(&pdev->dev, &cdns_hdmi_imx8qm_ops); |
| +} |
| + |
| +static int cdns_hdmi_imx_remove(struct platform_device *pdev) |
| +{ |
| + component_del(&pdev->dev, &cdns_hdmi_imx8qm_ops); |
| + |
| + return 0; |
| +} |
| + |
| +static struct platform_driver cdns_hdmi_imx_platform_driver = { |
| + .probe = cdns_hdmi_imx_probe, |
| + .remove = cdns_hdmi_imx_remove, |
| + .driver = { |
| + .name = "cdn-hdp-imx8qm", |
| + .of_match_table = cdns_hdmi_imx_dt_ids, |
| + }, |
| +}; |
| + |
| +module_platform_driver(cdns_hdmi_imx_platform_driver); |
| + |
| +MODULE_AUTHOR("Sandor YU <sandor.yu@nxp.com>"); |
| +MODULE_LICENSE("GPL"); |
| +MODULE_ALIAS("platform:cdnhdmi-imx"); |
| --- /dev/null |
| +++ b/drivers/gpu/drm/imx/cdn-mhdp-phy.h |
| @@ -0,0 +1,153 @@ |
| +/* |
| + * Copyright (C) 2019 NXP Semiconductor, Inc. |
| + * |
| + * This program is free software; you can redistribute it and/or modify |
| + * it under the terms of the GNU General Public License as published by |
| + * the Free Software Foundation; either version 2 of the License, or |
| + * (at your option) any later version. |
| + */ |
| + |
| +#ifndef _CDN_DP_PHY_H |
| +#define _CDN_DP_PHY_H |
| + |
| +#include <drm/bridge/cdns-mhdp-imx.h> |
| + |
| +#define CMN_SSM_BIAS_TMR 0x0022 |
| +#define CMN_PLLSM0_PLLEN_TMR 0x0029 |
| +#define CMN_PLLSM0_PLLPRE_TMR 0x002A |
| +#define CMN_PLLSM0_PLLVREF_TMR 0x002B |
| +#define CMN_PLLSM0_PLLLOCK_TMR 0x002C |
| +#define CMN_PLLSM0_USER_DEF_CTRL 0x002F |
| +#define CMN_PSM_CLK_CTRL 0x0061 |
| +#define CMN_CDIAG_REFCLK_CTRL 0x0062 |
| +#define CMN_PLL0_VCOCAL_START 0x0081 |
| +#define CMN_PLL0_VCOCAL_INIT_TMR 0x0084 |
| +#define CMN_PLL0_VCOCAL_ITER_TMR 0x0085 |
| +#define CMN_PLL0_INTDIV 0x0094 |
| +#define CMN_PLL0_FRACDIV 0x0095 |
| +#define CMN_PLL0_HIGH_THR 0x0096 |
| +#define CMN_PLL0_DSM_DIAG 0x0097 |
| +#define CMN_PLL0_SS_CTRL1 0x0098 |
| +#define CMN_PLL0_SS_CTRL2 0x0099 |
| +#define CMN_ICAL_INIT_TMR 0x00C4 |
| +#define CMN_ICAL_ITER_TMR 0x00C5 |
| +#define CMN_RXCAL_INIT_TMR 0x00D4 |
| +#define CMN_RXCAL_ITER_TMR 0x00D5 |
| +#define CMN_TXPUCAL_CTRL 0x00E0 |
| +#define CMN_TXPUCAL_INIT_TMR 0x00E4 |
| +#define CMN_TXPUCAL_ITER_TMR 0x00E5 |
| +#define CMN_TXPDCAL_CTRL 0x00F0 |
| +#define CMN_TXPDCAL_INIT_TMR 0x00F4 |
| +#define CMN_TXPDCAL_ITER_TMR 0x00F5 |
| +#define CMN_ICAL_ADJ_INIT_TMR 0x0102 |
| +#define CMN_ICAL_ADJ_ITER_TMR 0x0103 |
| +#define CMN_RX_ADJ_INIT_TMR 0x0106 |
| +#define CMN_RX_ADJ_ITER_TMR 0x0107 |
| +#define CMN_TXPU_ADJ_CTRL 0x0108 |
| +#define CMN_TXPU_ADJ_INIT_TMR 0x010A |
| +#define CMN_TXPU_ADJ_ITER_TMR 0x010B |
| +#define CMN_TXPD_ADJ_CTRL 0x010c |
| +#define CMN_TXPD_ADJ_INIT_TMR 0x010E |
| +#define CMN_TXPD_ADJ_ITER_TMR 0x010F |
| +#define CMN_DIAG_PLL0_FBH_OVRD 0x01C0 |
| +#define CMN_DIAG_PLL0_FBL_OVRD 0x01C1 |
| +#define CMN_DIAG_PLL0_OVRD 0x01C2 |
| +#define CMN_DIAG_PLL0_TEST_MODE 0x01C4 |
| +#define CMN_DIAG_PLL0_V2I_TUNE 0x01C5 |
| +#define CMN_DIAG_PLL0_CP_TUNE 0x01C6 |
| +#define CMN_DIAG_PLL0_LF_PROG 0x01C7 |
| +#define CMN_DIAG_PLL0_PTATIS_TUNE1 0x01C8 |
| +#define CMN_DIAG_PLL0_PTATIS_TUNE2 0x01C9 |
| +#define CMN_DIAG_PLL0_INCLK_CTRL 0x01CA |
| +#define CMN_DIAG_PLL0_PXL_DIVH 0x01CB |
| +#define CMN_DIAG_PLL0_PXL_DIVL 0x01CC |
| +#define CMN_DIAG_HSCLK_SEL 0x01E0 |
| +#define CMN_DIAG_PER_CAL_ADJ 0x01EC |
| +#define CMN_DIAG_CAL_CTRL 0x01ED |
| +#define CMN_DIAG_ACYA 0x01FF |
| +#define XCVR_PSM_RCTRL 0x4001 |
| +#define XCVR_PSM_CAL_TMR 0x4002 |
| +#define XCVR_PSM_A0IN_TMR 0x4003 |
| +#define TX_TXCC_CAL_SCLR_MULT_0 0x4047 |
| +#define TX_TXCC_CPOST_MULT_00_0 0x404C |
| +#define TX_TXCC_MGNFS_MULT_000_0 0x4050 |
| +#define XCVR_DIAG_PLLDRC_CTRL 0x40E0 |
| +#define XCVR_DIAG_PLLDRC_CTRL 0x40E0 |
| +#define XCVR_DIAG_HSCLK_SEL 0x40E1 |
| +#define XCVR_DIAG_BIDI_CTRL 0x40E8 |
| +#define XCVR_DIAG_LANE_FCM_EN_MGN_TMR 0x40F2 |
| +#define XCVR_DIAG_LANE_FCM_EN_MGN 0x40F2 |
| +#define TX_PSC_A0 0x4100 |
| +#define TX_PSC_A1 0x4101 |
| +#define TX_PSC_A2 0x4102 |
| +#define TX_PSC_A3 0x4103 |
| +#define TX_RCVDET_CTRL 0x4120 |
| +#define TX_RCVDET_EN_TMR 0x4122 |
| +#define TX_RCVDET_EN_TMR 0x4122 |
| +#define TX_RCVDET_ST_TMR 0x4123 |
| +#define TX_RCVDET_ST_TMR 0x4123 |
| +#define TX_BIST_CTRL 0x4140 |
| +#define TX_BIST_UDDWR 0x4141 |
| +#define TX_DIAG_TX_CTRL 0x41E0 |
| +#define TX_DIAG_TX_DRV 0x41E1 |
| +#define TX_DIAG_BGREF_PREDRV_DELAY 0x41E7 |
| +#define TX_DIAG_BGREF_PREDRV_DELAY 0x41E7 |
| +#define XCVR_PSM_RCTRL_1 0x4201 |
| +#define TX_TXCC_CAL_SCLR_MULT_1 0x4247 |
| +#define TX_TXCC_CPOST_MULT_00_1 0x424C |
| +#define TX_TXCC_MGNFS_MULT_000_1 0x4250 |
| +#define XCVR_DIAG_PLLDRC_CTRL_1 0x42E0 |
| +#define XCVR_DIAG_HSCLK_SEL_1 0x42E1 |
| +#define XCVR_DIAG_LANE_FCM_EN_MGN_TMR_1 0x42F2 |
| +#define TX_RCVDET_EN_TMR_1 0x4322 |
| +#define TX_RCVDET_ST_TMR_1 0x4323 |
| +#define TX_DIAG_ACYA_0 0x41FF |
| +#define TX_DIAG_ACYA_1 0x43FF |
| +#define TX_DIAG_ACYA_2 0x45FF |
| +#define TX_DIAG_ACYA_3 0x47FF |
| +#define TX_ANA_CTRL_REG_1 0x5020 |
| +#define TX_ANA_CTRL_REG_2 0x5021 |
| +#define TXDA_COEFF_CALC 0x5022 |
| +#define TX_DIG_CTRL_REG_1 0x5023 |
| +#define TX_DIG_CTRL_REG_2 0x5024 |
| +#define TXDA_CYA_AUXDA_CYA 0x5025 |
| +#define TX_ANA_CTRL_REG_3 0x5026 |
| +#define TX_ANA_CTRL_REG_4 0x5027 |
| +#define TX_ANA_CTRL_REG_5 0x5029 |
| +#define RX_PSC_A0 0x8000 |
| +#define RX_PSC_CAL 0x8006 |
| +#define PMA_LANE_CFG 0xC000 |
| +#define PIPE_CMN_CTRL1 0xC001 |
| +#define PIPE_CMN_CTRL2 0xC002 |
| +#define PIPE_COM_LOCK_CFG1 0xC003 |
| +#define PIPE_COM_LOCK_CFG2 0xC004 |
| +#define PIPE_RCV_DET_INH 0xC005 |
| +#define PHY_HDP_MODE_CTRL 0xC008 |
| +#define PHY_HDP_CLK_CTL 0xC009 |
| +#define STS 0xC00F |
| +#define PHY_ISO_CMN_CTRL 0xC010 |
| +#define PHY_ISO_CMN_CTRL 0xC010 |
| +#define PHY_HDP_TX_CTL_L0 0xC408 |
| +#define PHY_DP_TX_CTL 0xC408 |
| +#define PHY_HDP_TX_CTL_L1 0xC448 |
| +#define PHY_HDP_TX_CTL_L2 0xC488 |
| +#define PHY_HDP_TX_CTL_L3 0xC4C8 |
| +#define PHY_PMA_CMN_CTRL1 0xC800 |
| +#define PMA_CMN_CTRL1 0xC800 |
| +#define PHY_PMA_ISO_CMN_CTRL 0xC810 |
| +#define PHY_PMA_ISO_PLL_CTRL1 0xC812 |
| +#define PHY_PMA_ISOLATION_CTRL 0xC81F |
| +#define PHY_ISOLATION_CTRL 0xC81F |
| +#define PHY_PMA_ISO_XCVR_CTRL 0xCC11 |
| +#define PHY_PMA_ISO_LINK_MODE 0xCC12 |
| +#define PHY_PMA_ISO_PWRST_CTRL 0xCC13 |
| +#define PHY_PMA_ISO_TX_DATA_LO 0xCC14 |
| +#define PHY_PMA_ISO_TX_DATA_HI 0xCC15 |
| +#define PHY_PMA_ISO_RX_DATA_LO 0xCC16 |
| +#define PHY_PMA_ISO_RX_DATA_HI 0xCC17 |
| + |
| +int cdns_dp_phy_init_imx8mq(struct imx_mhdp_device *hdp); |
| +int cdns_dp_phy_init_imx8qm(struct imx_mhdp_device *hdp); |
| +int cdns_hdmi_phy_set_imx8mq(struct imx_mhdp_device *hdp); |
| +int cdns_hdmi_phy_set_imx8qm(struct imx_mhdp_device *hdp); |
| +#endif /* _CDN_DP_PHY_H */ |