| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Maxime Ripard | 4380 | 99.32% | 14 | 77.78% |
| Boris Brezillon | 17 | 0.39% | 1 | 5.56% |
| Hans Verkuil | 9 | 0.20% | 1 | 5.56% |
| Eric Anholt | 3 | 0.07% | 1 | 5.56% |
| Thomas Gleixner | 1 | 0.02% | 1 | 5.56% |
| Total | 4410 | 18 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2015 Broadcom * Copyright (c) 2014 The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.com> */ #include "vc4_hdmi.h" #include "vc4_regs.h" #include "vc4_hdmi_regs.h" #define VC4_HDMI_TX_PHY_RESET_CTL_PLL_RESETB BIT(5) #define VC4_HDMI_TX_PHY_RESET_CTL_PLLDIV_RESETB BIT(4) #define VC4_HDMI_TX_PHY_RESET_CTL_TX_CK_RESET BIT(3) #define VC4_HDMI_TX_PHY_RESET_CTL_TX_2_RESET BIT(2) #define VC4_HDMI_TX_PHY_RESET_CTL_TX_1_RESET BIT(1) #define VC4_HDMI_TX_PHY_RESET_CTL_TX_0_RESET BIT(0) #define VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN BIT(4) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_PREEMP_SHIFT 29 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_PREEMP_MASK VC4_MASK(31, 29) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_MAINDRV_SHIFT 24 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_MAINDRV_MASK VC4_MASK(28, 24) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_PREEMP_SHIFT 21 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_PREEMP_MASK VC4_MASK(23, 21) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_MAINDRV_SHIFT 16 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_MAINDRV_MASK VC4_MASK(20, 16) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_PREEMP_SHIFT 13 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_PREEMP_MASK VC4_MASK(15, 13) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_MAINDRV_SHIFT 8 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_MAINDRV_MASK VC4_MASK(12, 8) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_PREEMP_SHIFT 5 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_PREEMP_MASK VC4_MASK(7, 5) #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_MAINDRV_SHIFT 0 #define VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_MAINDRV_MASK VC4_MASK(4, 0) #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA2_SHIFT 15 #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA2_MASK VC4_MASK(19, 15) #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA1_SHIFT 10 #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA1_MASK VC4_MASK(14, 10) #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA0_SHIFT 5 #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA0_MASK VC4_MASK(9, 5) #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_CK_SHIFT 0 #define VC4_HDMI_TX_PHY_CTL_1_RES_SEL_CK_MASK VC4_MASK(4, 0) #define VC4_HDMI_TX_PHY_CTL_2_VCO_GAIN_SHIFT 16 #define VC4_HDMI_TX_PHY_CTL_2_VCO_GAIN_MASK VC4_MASK(19, 16) #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA2_SHIFT 12 #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA2_MASK VC4_MASK(15, 12) #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA1_SHIFT 8 #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA1_MASK VC4_MASK(11, 8) #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA0_SHIFT 4 #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA0_MASK VC4_MASK(7, 4) #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELCK_SHIFT 0 #define VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELCK_MASK VC4_MASK(3, 0) #define VC4_HDMI_TX_PHY_CTL_3_RP_SHIFT 17 #define VC4_HDMI_TX_PHY_CTL_3_RP_MASK VC4_MASK(19, 17) #define VC4_HDMI_TX_PHY_CTL_3_RZ_SHIFT 12 #define VC4_HDMI_TX_PHY_CTL_3_RZ_MASK VC4_MASK(16, 12) #define VC4_HDMI_TX_PHY_CTL_3_CP1_SHIFT 10 #define VC4_HDMI_TX_PHY_CTL_3_CP1_MASK VC4_MASK(11, 10) #define VC4_HDMI_TX_PHY_CTL_3_CP_SHIFT 8 #define VC4_HDMI_TX_PHY_CTL_3_CP_MASK VC4_MASK(9, 8) #define VC4_HDMI_TX_PHY_CTL_3_CZ_SHIFT 6 #define VC4_HDMI_TX_PHY_CTL_3_CZ_MASK VC4_MASK(7, 6) #define VC4_HDMI_TX_PHY_CTL_3_ICP_SHIFT 0 #define VC4_HDMI_TX_PHY_CTL_3_ICP_MASK VC4_MASK(5, 0) #define VC4_HDMI_TX_PHY_PLL_CTL_0_MASH11_MODE BIT(13) #define VC4_HDMI_TX_PHY_PLL_CTL_0_VC_RANGE_EN BIT(12) #define VC4_HDMI_TX_PHY_PLL_CTL_0_EMULATE_VC_LOW BIT(11) #define VC4_HDMI_TX_PHY_PLL_CTL_0_EMULATE_VC_HIGH BIT(10) #define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_SEL_SHIFT 9 #define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_SEL_MASK VC4_MASK(9, 9) #define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_FB_DIV2 BIT(8) #define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_POST_DIV2 BIT(7) #define VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_CONT_EN BIT(6) #define VC4_HDMI_TX_PHY_PLL_CTL_0_ENA_VCO_CLK BIT(5) #define VC4_HDMI_TX_PHY_PLL_CTL_1_CPP_SHIFT 16 #define VC4_HDMI_TX_PHY_PLL_CTL_1_CPP_MASK VC4_MASK(27, 16) #define VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_DELAY_SHIFT 14 #define VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_DELAY_MASK VC4_MASK(15, 14) #define VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_ENABLE BIT(13) #define VC4_HDMI_TX_PHY_PLL_CTL_1_POST_RST_SEL_SHIFT 11 #define VC4_HDMI_TX_PHY_PLL_CTL_1_POST_RST_SEL_MASK VC4_MASK(12, 11) #define VC4_HDMI_TX_PHY_CLK_DIV_VCO_SHIFT 8 #define VC4_HDMI_TX_PHY_CLK_DIV_VCO_MASK VC4_MASK(15, 8) #define VC4_HDMI_TX_PHY_PLL_CFG_PDIV_SHIFT 0 #define VC4_HDMI_TX_PHY_PLL_CFG_PDIV_MASK VC4_MASK(3, 0) #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TXCK_OUT_SEL_MASK VC4_MASK(13, 12) #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TXCK_OUT_SEL_SHIFT 12 #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX2_OUT_SEL_MASK VC4_MASK(9, 8) #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX2_OUT_SEL_SHIFT 8 #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX1_OUT_SEL_MASK VC4_MASK(5, 4) #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX1_OUT_SEL_SHIFT 4 #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX0_OUT_SEL_MASK VC4_MASK(1, 0) #define VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX0_OUT_SEL_SHIFT 0 #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT_MASK VC4_MASK(27, 0) #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT_SHIFT 0 #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT_MASK VC4_MASK(27, 0) #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT_SHIFT 0 #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_STABLE_THRESHOLD_MASK VC4_MASK(31, 16) #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_STABLE_THRESHOLD_SHIFT 16 #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_HOLD_THRESHOLD_MASK VC4_MASK(15, 0) #define VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_HOLD_THRESHOLD_SHIFT 0 #define VC4_HDMI_RM_CONTROL_EN_FREEZE_COUNTERS BIT(19) #define VC4_HDMI_RM_CONTROL_EN_LOAD_INTEGRATOR BIT(17) #define VC4_HDMI_RM_CONTROL_FREE_RUN BIT(4) #define VC4_HDMI_RM_OFFSET_ONLY BIT(31) #define VC4_HDMI_RM_OFFSET_OFFSET_SHIFT 0 #define VC4_HDMI_RM_OFFSET_OFFSET_MASK VC4_MASK(30, 0) #define VC4_HDMI_RM_FORMAT_SHIFT_SHIFT 24 #define VC4_HDMI_RM_FORMAT_SHIFT_MASK VC4_MASK(25, 24) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_BG_PWRUP BIT(8) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_LDO_PWRUP BIT(7) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_BIAS_PWRUP BIT(6) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_RNDGEN_PWRUP BIT(4) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_CK_PWRUP BIT(3) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_2_PWRUP BIT(2) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_1_PWRUP BIT(1) #define VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_0_PWRUP BIT(0) #define VC6_HDMI_TX_PHY_PLL_REFCLK_REFCLK_SEL_CMOS BIT(13) #define VC6_HDMI_TX_PHY_PLL_REFCLK_REFFRQ_MASK VC4_MASK(9, 0) #define VC6_HDMI_TX_PHY_PLL_POST_KDIV_CLK0_SEL_MASK VC4_MASK(3, 2) #define VC6_HDMI_TX_PHY_PLL_POST_KDIV_KDIV_MASK VC4_MASK(1, 0) #define VC6_HDMI_TX_PHY_PLL_VCOCLK_DIV_VCODIV_EN BIT(10) #define VC6_HDMI_TX_PHY_PLL_VCOCLK_DIV_VCODIV_MASK VC4_MASK(9, 0) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_CTL_MASK VC4_MASK(31, 28) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_ENABLE_MASK VC4_MASK(27, 27) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_RATE_CTL_MASK VC4_MASK(26, 26) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_POST_TAP_EN_MASK VC4_MASK(25, 25) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_LDMOS_BIAS_CTL_MASK VC4_MASK(24, 23) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_COM_MODE_LDMOS_EN_MASK VC4_MASK(22, 22) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EDGE_SEL_MASK VC4_MASK(21, 21) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_HS_EN_MASK VC4_MASK(20, 20) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_TERM_CTL_MASK VC4_MASK(19, 18) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_EN_MASK VC4_MASK(17, 17) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_EN_MASK VC4_MASK(16, 16) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_CTL_MASK VC4_MASK(15, 12) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_HS_EN_MASK VC4_MASK(11, 11) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_MAIN_TAP_CURRENT_SELECT_MASK VC4_MASK(10, 8) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_POST_TAP_CURRENT_SELECT_MASK VC4_MASK(7, 5) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_LOADING_MASK VC4_MASK(4, 3) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_DRIVING_MASK VC4_MASK(2, 1) #define VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_PRE_TAP_EN_MASK VC4_MASK(0, 0) #define VC6_HDMI_TX_PHY_PLL_RESET_CTL_PLL_PLLPOST_RESETB BIT(1) #define VC6_HDMI_TX_PHY_PLL_RESET_CTL_PLL_RESETB BIT(0) #define VC6_HDMI_TX_PHY_PLL_POWERUP_CTL_PLL_PWRUP BIT(0) #define OSCILLATOR_FREQUENCY 54000000 void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, struct drm_connector_state *conn_state) { unsigned long flags; /* PHY should be in reset, like * vc4_hdmi_encoder_disable() does. */ spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0xf << 16); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi) { unsigned long flags; spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0xf << 16); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi) { unsigned long flags; spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); HDMI_WRITE(HDMI_TX_PHY_CTL_0, HDMI_READ(HDMI_TX_PHY_CTL_0) & ~VC4_HDMI_TX_PHY_RNG_PWRDN); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi) { unsigned long flags; spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); HDMI_WRITE(HDMI_TX_PHY_CTL_0, HDMI_READ(HDMI_TX_PHY_CTL_0) | VC4_HDMI_TX_PHY_RNG_PWRDN); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } static unsigned long long phy_get_vco_freq(unsigned long long clock, u8 *vco_sel, u8 *vco_div) { unsigned long long vco_freq = clock; unsigned int _vco_div = 0; unsigned int _vco_sel = 0; while (vco_freq < 3000000000ULL) { _vco_div++; vco_freq = clock * _vco_div * 10; } if (vco_freq > 4500000000ULL) _vco_sel = 1; *vco_sel = _vco_sel; *vco_div = _vco_div; return vco_freq; } static u8 phy_get_cp_current(unsigned long vco_freq) { if (vco_freq < 3700000000ULL) return 0x1c; return 0x18; } static u32 phy_get_rm_offset(unsigned long long vco_freq) { unsigned long long fref = OSCILLATOR_FREQUENCY; u64 offset = 0; /* RM offset is stored as 9.22 format */ offset = vco_freq * 2; offset = offset << 22; do_div(offset, fref); offset >>= 2; return offset; } static u8 phy_get_vco_gain(unsigned long long vco_freq) { if (vco_freq < 3350000000ULL) return 0xf; if (vco_freq < 3700000000ULL) return 0xc; if (vco_freq < 4050000000ULL) return 0x6; if (vco_freq < 4800000000ULL) return 0x5; if (vco_freq < 5200000000ULL) return 0x7; return 0x2; } struct phy_lane_settings { struct { u8 preemphasis; u8 main_driver; } amplitude; u8 res_sel_data; u8 term_res_sel_data; }; struct phy_settings { unsigned long long min_rate; unsigned long long max_rate; struct phy_lane_settings channel[3]; struct phy_lane_settings clock; }; static const struct phy_settings vc5_hdmi_phy_settings[] = { { 0, 50000000, { {{0x0, 0x0A}, 0x12, 0x0}, {{0x0, 0x0A}, 0x12, 0x0}, {{0x0, 0x0A}, 0x12, 0x0} }, {{0x0, 0x0A}, 0x18, 0x0}, }, { 50000001, 75000000, { {{0x0, 0x09}, 0x12, 0x0}, {{0x0, 0x09}, 0x12, 0x0}, {{0x0, 0x09}, 0x12, 0x0} }, {{0x0, 0x0C}, 0x18, 0x3}, }, { 75000001, 165000000, { {{0x0, 0x09}, 0x12, 0x0}, {{0x0, 0x09}, 0x12, 0x0}, {{0x0, 0x09}, 0x12, 0x0} }, {{0x0, 0x0C}, 0x18, 0x3}, }, { 165000001, 250000000, { {{0x0, 0x0F}, 0x12, 0x1}, {{0x0, 0x0F}, 0x12, 0x1}, {{0x0, 0x0F}, 0x12, 0x1} }, {{0x0, 0x0C}, 0x18, 0x3}, }, { 250000001, 340000000, { {{0x2, 0x0D}, 0x12, 0x1}, {{0x2, 0x0D}, 0x12, 0x1}, {{0x2, 0x0D}, 0x12, 0x1} }, {{0x0, 0x0C}, 0x18, 0xF}, }, { 340000001, 450000000, { {{0x0, 0x1B}, 0x12, 0xF}, {{0x0, 0x1B}, 0x12, 0xF}, {{0x0, 0x1B}, 0x12, 0xF} }, {{0x0, 0x0A}, 0x12, 0xF}, }, { 450000001, 600000000, { {{0x0, 0x1C}, 0x12, 0xF}, {{0x0, 0x1C}, 0x12, 0xF}, {{0x0, 0x1C}, 0x12, 0xF} }, {{0x0, 0x0B}, 0x13, 0xF}, }, }; static const struct phy_settings *phy_get_settings(unsigned long long tmds_rate) { unsigned int count = ARRAY_SIZE(vc5_hdmi_phy_settings); unsigned int i; for (i = 0; i < count; i++) { const struct phy_settings *s = &vc5_hdmi_phy_settings[i]; if (tmds_rate >= s->min_rate && tmds_rate <= s->max_rate) return s; } /* * If the pixel clock exceeds our max setting, try the max * setting anyway. */ return &vc5_hdmi_phy_settings[count - 1]; } static const struct phy_lane_settings * phy_get_channel_settings(enum vc4_hdmi_phy_channel chan, unsigned long long tmds_rate) { const struct phy_settings *settings = phy_get_settings(tmds_rate); if (chan == PHY_LANE_CK) return &settings->clock; return &settings->channel[chan]; } static void vc5_hdmi_reset_phy(struct vc4_hdmi *vc4_hdmi) { lockdep_assert_held(&vc4_hdmi->hw_lock); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0x0f); HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL, BIT(10)); } void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, struct drm_connector_state *conn_state) { const struct phy_lane_settings *chan0_settings, *chan1_settings, *chan2_settings, *clock_settings; const struct vc4_hdmi_variant *variant = vc4_hdmi->variant; unsigned long long pixel_freq = conn_state->hdmi.tmds_char_rate; unsigned long long vco_freq; unsigned char word_sel; unsigned long flags; u8 vco_sel, vco_div; vco_freq = phy_get_vco_freq(pixel_freq, &vco_sel, &vco_div); spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); vc5_hdmi_reset_phy(vc4_hdmi); HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL, VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, HDMI_READ(HDMI_TX_PHY_RESET_CTL) & ~VC4_HDMI_TX_PHY_RESET_CTL_TX_0_RESET & ~VC4_HDMI_TX_PHY_RESET_CTL_TX_1_RESET & ~VC4_HDMI_TX_PHY_RESET_CTL_TX_2_RESET & ~VC4_HDMI_TX_PHY_RESET_CTL_TX_CK_RESET); HDMI_WRITE(HDMI_RM_CONTROL, HDMI_READ(HDMI_RM_CONTROL) | VC4_HDMI_RM_CONTROL_EN_FREEZE_COUNTERS | VC4_HDMI_RM_CONTROL_EN_LOAD_INTEGRATOR | VC4_HDMI_RM_CONTROL_FREE_RUN); HDMI_WRITE(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1, (HDMI_READ(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1) & ~VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT_MASK) | VC4_SET_FIELD(0, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1_MIN_LIMIT)); HDMI_WRITE(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2, (HDMI_READ(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2) & ~VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT_MASK) | VC4_SET_FIELD(0, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2_MAX_LIMIT)); HDMI_WRITE(HDMI_RM_OFFSET, VC4_SET_FIELD(phy_get_rm_offset(vco_freq), VC4_HDMI_RM_OFFSET_OFFSET) | VC4_HDMI_RM_OFFSET_ONLY); HDMI_WRITE(HDMI_TX_PHY_CLK_DIV, VC4_SET_FIELD(vco_div, VC4_HDMI_TX_PHY_CLK_DIV_VCO)); HDMI_WRITE(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4, VC4_SET_FIELD(0xe147, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_HOLD_THRESHOLD) | VC4_SET_FIELD(0xe14, VC4_HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4_STABLE_THRESHOLD)); HDMI_WRITE(HDMI_TX_PHY_PLL_CTL_0, VC4_HDMI_TX_PHY_PLL_CTL_0_ENA_VCO_CLK | VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_CONT_EN | VC4_HDMI_TX_PHY_PLL_CTL_0_MASH11_MODE | VC4_SET_FIELD(vco_sel, VC4_HDMI_TX_PHY_PLL_CTL_0_VCO_SEL)); HDMI_WRITE(HDMI_TX_PHY_PLL_CTL_1, HDMI_READ(HDMI_TX_PHY_PLL_CTL_1) | VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_ENABLE | VC4_SET_FIELD(3, VC4_HDMI_TX_PHY_PLL_CTL_1_POST_RST_SEL) | VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_PLL_CTL_1_FREQ_DOUBLER_DELAY) | VC4_SET_FIELD(0x8a, VC4_HDMI_TX_PHY_PLL_CTL_1_CPP)); HDMI_WRITE(HDMI_RM_FORMAT, HDMI_READ(HDMI_RM_FORMAT) | VC4_SET_FIELD(2, VC4_HDMI_RM_FORMAT_SHIFT)); HDMI_WRITE(HDMI_TX_PHY_PLL_CFG, HDMI_READ(HDMI_TX_PHY_PLL_CFG) | VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_PLL_CFG_PDIV)); if (pixel_freq >= 340000000) word_sel = 3; else word_sel = 0; HDMI_WRITE(HDMI_TX_PHY_TMDS_CLK_WORD_SEL, word_sel); HDMI_WRITE(HDMI_TX_PHY_CTL_3, VC4_SET_FIELD(phy_get_cp_current(vco_freq), VC4_HDMI_TX_PHY_CTL_3_ICP) | VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_CTL_3_CP) | VC4_SET_FIELD(1, VC4_HDMI_TX_PHY_CTL_3_CP1) | VC4_SET_FIELD(3, VC4_HDMI_TX_PHY_CTL_3_CZ) | VC4_SET_FIELD(4, VC4_HDMI_TX_PHY_CTL_3_RP) | VC4_SET_FIELD(6, VC4_HDMI_TX_PHY_CTL_3_RZ)); chan0_settings = phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_0], pixel_freq); chan1_settings = phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_1], pixel_freq); chan2_settings = phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_2], pixel_freq); clock_settings = phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_CK], pixel_freq); HDMI_WRITE(HDMI_TX_PHY_CTL_0, VC4_SET_FIELD(chan0_settings->amplitude.preemphasis, VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_PREEMP) | VC4_SET_FIELD(chan0_settings->amplitude.main_driver, VC4_HDMI_TX_PHY_CTL_0_PREEMP_0_MAINDRV) | VC4_SET_FIELD(chan1_settings->amplitude.preemphasis, VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_PREEMP) | VC4_SET_FIELD(chan1_settings->amplitude.main_driver, VC4_HDMI_TX_PHY_CTL_0_PREEMP_1_MAINDRV) | VC4_SET_FIELD(chan2_settings->amplitude.preemphasis, VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_PREEMP) | VC4_SET_FIELD(chan2_settings->amplitude.main_driver, VC4_HDMI_TX_PHY_CTL_0_PREEMP_2_MAINDRV) | VC4_SET_FIELD(clock_settings->amplitude.preemphasis, VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_PREEMP) | VC4_SET_FIELD(clock_settings->amplitude.main_driver, VC4_HDMI_TX_PHY_CTL_0_PREEMP_CK_MAINDRV)); HDMI_WRITE(HDMI_TX_PHY_CTL_1, HDMI_READ(HDMI_TX_PHY_CTL_1) | VC4_SET_FIELD(chan0_settings->res_sel_data, VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA0) | VC4_SET_FIELD(chan1_settings->res_sel_data, VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA1) | VC4_SET_FIELD(chan2_settings->res_sel_data, VC4_HDMI_TX_PHY_CTL_1_RES_SEL_DATA2) | VC4_SET_FIELD(clock_settings->res_sel_data, VC4_HDMI_TX_PHY_CTL_1_RES_SEL_CK)); HDMI_WRITE(HDMI_TX_PHY_CTL_2, VC4_SET_FIELD(chan0_settings->term_res_sel_data, VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA0) | VC4_SET_FIELD(chan1_settings->term_res_sel_data, VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA1) | VC4_SET_FIELD(chan2_settings->term_res_sel_data, VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELDATA2) | VC4_SET_FIELD(clock_settings->term_res_sel_data, VC4_HDMI_TX_PHY_CTL_2_TERM_RES_SELCK) | VC4_SET_FIELD(phy_get_vco_gain(vco_freq), VC4_HDMI_TX_PHY_CTL_2_VCO_GAIN)); HDMI_WRITE(HDMI_TX_PHY_CHANNEL_SWAP, VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_0], VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX0_OUT_SEL) | VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_1], VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX1_OUT_SEL) | VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_2], VC4_HDMI_TX_PHY_CHANNEL_SWAP_TX2_OUT_SEL) | VC4_SET_FIELD(variant->phy_lane_mapping[PHY_LANE_CK], VC4_HDMI_TX_PHY_CHANNEL_SWAP_TXCK_OUT_SEL)); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, HDMI_READ(HDMI_TX_PHY_RESET_CTL) & ~(VC4_HDMI_TX_PHY_RESET_CTL_PLL_RESETB | VC4_HDMI_TX_PHY_RESET_CTL_PLLDIV_RESETB)); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, HDMI_READ(HDMI_TX_PHY_RESET_CTL) | VC4_HDMI_TX_PHY_RESET_CTL_PLL_RESETB | VC4_HDMI_TX_PHY_RESET_CTL_PLLDIV_RESETB); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi) { unsigned long flags; spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); vc5_hdmi_reset_phy(vc4_hdmi); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi) { unsigned long flags; spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL, HDMI_READ(HDMI_TX_PHY_POWERDOWN_CTL) & ~VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi) { unsigned long flags; spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL, HDMI_READ(HDMI_TX_PHY_POWERDOWN_CTL) | VC4_HDMI_TX_PHY_POWERDOWN_CTL_RNDGEN_PWRDN); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } #define VC6_VCO_MIN_FREQ (8ULL * 1000 * 1000 * 1000) #define VC6_VCO_MAX_FREQ (12ULL * 1000 * 1000 * 1000) static unsigned long long vc6_phy_get_vco_freq(unsigned long long tmds_rate, unsigned int *vco_div) { unsigned int min_div; unsigned int max_div; unsigned int div; div = 0; while (tmds_rate * div * 10 < VC6_VCO_MIN_FREQ) div++; min_div = div; while (tmds_rate * (div + 1) * 10 < VC6_VCO_MAX_FREQ) div++; max_div = div; div = min_div + (max_div - min_div) / 2; *vco_div = div; return tmds_rate * div * 10; } struct vc6_phy_lane_settings { unsigned int ext_current_ctl:4; unsigned int ffe_enable:1; unsigned int slew_rate_ctl:1; unsigned int ffe_post_tap_en:1; unsigned int ldmos_bias_ctl:2; unsigned int com_mode_ldmos_en:1; unsigned int edge_sel:1; unsigned int ext_current_src_hs_en:1; unsigned int term_ctl:2; unsigned int ext_current_src_en:1; unsigned int int_current_src_en:1; unsigned int int_current_ctl:4; unsigned int int_current_src_hs_en:1; unsigned int main_tap_current_select:3; unsigned int post_tap_current_select:3; unsigned int slew_ctl_slow_loading:2; unsigned int slew_ctl_slow_driving:2; unsigned int ffe_pre_tap_en:1; }; struct vc6_phy_settings { unsigned long long min_rate; unsigned long long max_rate; struct vc6_phy_lane_settings channel[3]; struct vc6_phy_lane_settings clock; }; static const struct vc6_phy_settings vc6_hdmi_phy_settings[] = { { 0, 222000000, { { /* 200mA */ .ext_current_ctl = 8, /* 0.85V */ .ldmos_bias_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* 17.6 mA */ .main_tap_current_select = 7, }, { /* 200mA */ .ext_current_ctl = 8, /* 0.85V */ .ldmos_bias_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* 17.6 mA */ .main_tap_current_select = 7, }, { /* 200mA */ .ext_current_ctl = 8, /* 0.85V */ .ldmos_bias_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* 17.6 mA */ .main_tap_current_select = 7, }, }, { /* 200mA */ .ext_current_ctl = 8, /* 0.85V */ .ldmos_bias_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* 17.6 mA */ .main_tap_current_select = 7, }, }, { 222000001, 297000000, { { /* 200mA and 180mA ?! */ .ext_current_ctl = 12, /* 0.85V */ .ldmos_bias_ctl = 1, /* 100 Ohm */ .term_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, }, { /* 200mA and 180mA ?! */ .ext_current_ctl = 12, /* 0.85V */ .ldmos_bias_ctl = 1, /* 100 Ohm */ .term_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, }, { /* 200mA and 180mA ?! */ .ext_current_ctl = 12, /* 0.85V */ .ldmos_bias_ctl = 1, /* 100 Ohm */ .term_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, }, }, { /* 200mA and 180mA ?! */ .ext_current_ctl = 12, /* 0.85V */ .ldmos_bias_ctl = 1, /* 100 Ohm */ .term_ctl = 1, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, /* Internal Current Source Half Swing Enable*/ .int_current_src_hs_en = 1, }, }, { 297000001, 597000044, { { /* 200mA */ .ext_current_ctl = 8, /* Normal Slew Rate Control */ .slew_rate_ctl = 1, /* 0.85V */ .ldmos_bias_ctl = 1, /* 50 Ohms */ .term_ctl = 3, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* 17.6 mA */ .main_tap_current_select = 7, }, { /* 200mA */ .ext_current_ctl = 8, /* Normal Slew Rate Control */ .slew_rate_ctl = 1, /* 0.85V */ .ldmos_bias_ctl = 1, /* 50 Ohms */ .term_ctl = 3, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* 17.6 mA */ .main_tap_current_select = 7, }, { /* 200mA */ .ext_current_ctl = 8, /* Normal Slew Rate Control */ .slew_rate_ctl = 1, /* 0.85V */ .ldmos_bias_ctl = 1, /* 50 Ohms */ .term_ctl = 3, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* 17.6 mA */ .main_tap_current_select = 7, }, }, { /* 200mA */ .ext_current_ctl = 8, /* Normal Slew Rate Control */ .slew_rate_ctl = 1, /* 0.85V */ .ldmos_bias_ctl = 1, /* External Current Source Half Swing Enable*/ .ext_current_src_hs_en = 1, /* 50 Ohms */ .term_ctl = 3, /* Enable External Current Source */ .ext_current_src_en = 1, /* Enable Internal Current Source */ .int_current_src_en = 1, /* 200mA */ .int_current_ctl = 8, /* Internal Current Source Half Swing Enable*/ .int_current_src_hs_en = 1, /* 17.6 mA */ .main_tap_current_select = 7, }, }, }; static const struct vc6_phy_settings * vc6_phy_get_settings(unsigned long long tmds_rate) { unsigned int count = ARRAY_SIZE(vc6_hdmi_phy_settings); unsigned int i; for (i = 0; i < count; i++) { const struct vc6_phy_settings *s = &vc6_hdmi_phy_settings[i]; if (tmds_rate >= s->min_rate && tmds_rate <= s->max_rate) return s; } /* * If the pixel clock exceeds our max setting, try the max * setting anyway. */ return &vc6_hdmi_phy_settings[count - 1]; } static const struct vc6_phy_lane_settings * vc6_phy_get_channel_settings(enum vc4_hdmi_phy_channel chan, unsigned long long tmds_rate) { const struct vc6_phy_settings *settings = vc6_phy_get_settings(tmds_rate); if (chan == PHY_LANE_CK) return &settings->clock; return &settings->channel[chan]; } static void vc6_hdmi_reset_phy(struct vc4_hdmi *vc4_hdmi) { lockdep_assert_held(&vc4_hdmi->hw_lock); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0); HDMI_WRITE(HDMI_TX_PHY_POWERUP_CTL, 0); } void vc6_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, struct drm_connector_state *conn_state) { const struct vc6_phy_lane_settings *chan0_settings; const struct vc6_phy_lane_settings *chan1_settings; const struct vc6_phy_lane_settings *chan2_settings; const struct vc6_phy_lane_settings *clock_settings; const struct vc4_hdmi_variant *variant = vc4_hdmi->variant; unsigned long long pixel_freq = conn_state->hdmi.tmds_char_rate; unsigned long long vco_freq; unsigned char word_sel; unsigned long flags; unsigned int vco_div; vco_freq = vc6_phy_get_vco_freq(pixel_freq, &vco_div); spin_lock_irqsave(&vc4_hdmi->hw_lock, flags); vc6_hdmi_reset_phy(vc4_hdmi); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_0, 0x810c6000); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_1, 0x00b8c451); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_2, 0x46402e31); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_3, 0x00b8c005); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_4, 0x42410261); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_5, 0xcc021001); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_6, 0xc8301c80); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_7, 0xb0804444); HDMI_WRITE(HDMI_TX_PHY_PLL_MISC_8, 0xf80f8000); HDMI_WRITE(HDMI_TX_PHY_PLL_REFCLK, VC6_HDMI_TX_PHY_PLL_REFCLK_REFCLK_SEL_CMOS | VC4_SET_FIELD(54, VC6_HDMI_TX_PHY_PLL_REFCLK_REFFRQ)); HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0x7f); HDMI_WRITE(HDMI_RM_OFFSET, VC4_HDMI_RM_OFFSET_ONLY | VC4_SET_FIELD(phy_get_rm_offset(vco_freq), VC4_HDMI_RM_OFFSET_OFFSET)); HDMI_WRITE(HDMI_TX_PHY_PLL_VCOCLK_DIV, VC6_HDMI_TX_PHY_PLL_VCOCLK_DIV_VCODIV_EN | VC4_SET_FIELD(vco_div, VC6_HDMI_TX_PHY_PLL_VCOCLK_DIV_VCODIV)); HDMI_WRITE(HDMI_TX_PHY_PLL_CFG, VC4_SET_FIELD(0, VC4_HDMI_TX_PHY_PLL_CFG_PDIV)); HDMI_WRITE(HDMI_TX_PHY_PLL_POST_KDIV, VC4_SET_FIELD(2, VC6_HDMI_TX_PHY_PLL_POST_KDIV_CLK0_SEL) | VC4_SET_FIELD(1, VC6_HDMI_TX_PHY_PLL_POST_KDIV_KDIV)); chan0_settings = vc6_phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_0], pixel_freq); HDMI_WRITE(HDMI_TX_PHY_CTL_0, VC4_SET_FIELD(chan0_settings->ext_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_CTL) | VC4_SET_FIELD(chan0_settings->ffe_enable, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_ENABLE) | VC4_SET_FIELD(chan0_settings->slew_rate_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_RATE_CTL) | VC4_SET_FIELD(chan0_settings->ffe_post_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_POST_TAP_EN) | VC4_SET_FIELD(chan0_settings->ldmos_bias_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_LDMOS_BIAS_CTL) | VC4_SET_FIELD(chan0_settings->com_mode_ldmos_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_COM_MODE_LDMOS_EN) | VC4_SET_FIELD(chan0_settings->edge_sel, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EDGE_SEL) | VC4_SET_FIELD(chan0_settings->ext_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(chan0_settings->term_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_TERM_CTL) | VC4_SET_FIELD(chan0_settings->ext_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_EN) | VC4_SET_FIELD(chan0_settings->int_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_EN) | VC4_SET_FIELD(chan0_settings->int_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_CTL) | VC4_SET_FIELD(chan0_settings->int_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(chan0_settings->main_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_MAIN_TAP_CURRENT_SELECT) | VC4_SET_FIELD(chan0_settings->post_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_POST_TAP_CURRENT_SELECT) | VC4_SET_FIELD(chan0_settings->slew_ctl_slow_loading, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_LOADING) | VC4_SET_FIELD(chan0_settings->slew_ctl_slow_driving, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_DRIVING) | VC4_SET_FIELD(chan0_settings->ffe_pre_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_PRE_TAP_EN)); chan1_settings = vc6_phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_1], pixel_freq); HDMI_WRITE(HDMI_TX_PHY_CTL_1, VC4_SET_FIELD(chan1_settings->ext_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_CTL) | VC4_SET_FIELD(chan1_settings->ffe_enable, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_ENABLE) | VC4_SET_FIELD(chan1_settings->slew_rate_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_RATE_CTL) | VC4_SET_FIELD(chan1_settings->ffe_post_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_POST_TAP_EN) | VC4_SET_FIELD(chan1_settings->ldmos_bias_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_LDMOS_BIAS_CTL) | VC4_SET_FIELD(chan1_settings->com_mode_ldmos_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_COM_MODE_LDMOS_EN) | VC4_SET_FIELD(chan1_settings->edge_sel, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EDGE_SEL) | VC4_SET_FIELD(chan1_settings->ext_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(chan1_settings->term_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_TERM_CTL) | VC4_SET_FIELD(chan1_settings->ext_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_EN) | VC4_SET_FIELD(chan1_settings->int_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_EN) | VC4_SET_FIELD(chan1_settings->int_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_CTL) | VC4_SET_FIELD(chan1_settings->int_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(chan1_settings->main_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_MAIN_TAP_CURRENT_SELECT) | VC4_SET_FIELD(chan1_settings->post_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_POST_TAP_CURRENT_SELECT) | VC4_SET_FIELD(chan1_settings->slew_ctl_slow_loading, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_LOADING) | VC4_SET_FIELD(chan1_settings->slew_ctl_slow_driving, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_DRIVING) | VC4_SET_FIELD(chan1_settings->ffe_pre_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_PRE_TAP_EN)); chan2_settings = vc6_phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_2], pixel_freq); HDMI_WRITE(HDMI_TX_PHY_CTL_2, VC4_SET_FIELD(chan2_settings->ext_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_CTL) | VC4_SET_FIELD(chan2_settings->ffe_enable, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_ENABLE) | VC4_SET_FIELD(chan2_settings->slew_rate_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_RATE_CTL) | VC4_SET_FIELD(chan2_settings->ffe_post_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_POST_TAP_EN) | VC4_SET_FIELD(chan2_settings->ldmos_bias_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_LDMOS_BIAS_CTL) | VC4_SET_FIELD(chan2_settings->com_mode_ldmos_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_COM_MODE_LDMOS_EN) | VC4_SET_FIELD(chan2_settings->edge_sel, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EDGE_SEL) | VC4_SET_FIELD(chan2_settings->ext_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(chan2_settings->term_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_TERM_CTL) | VC4_SET_FIELD(chan2_settings->ext_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_EN) | VC4_SET_FIELD(chan2_settings->int_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_EN) | VC4_SET_FIELD(chan2_settings->int_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_CTL) | VC4_SET_FIELD(chan2_settings->int_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(chan2_settings->main_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_MAIN_TAP_CURRENT_SELECT) | VC4_SET_FIELD(chan2_settings->post_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_POST_TAP_CURRENT_SELECT) | VC4_SET_FIELD(chan2_settings->slew_ctl_slow_loading, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_LOADING) | VC4_SET_FIELD(chan2_settings->slew_ctl_slow_driving, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_DRIVING) | VC4_SET_FIELD(chan2_settings->ffe_pre_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_PRE_TAP_EN)); clock_settings = vc6_phy_get_channel_settings(variant->phy_lane_mapping[PHY_LANE_CK], pixel_freq); HDMI_WRITE(HDMI_TX_PHY_CTL_CK, VC4_SET_FIELD(clock_settings->ext_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_CTL) | VC4_SET_FIELD(clock_settings->ffe_enable, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_ENABLE) | VC4_SET_FIELD(clock_settings->slew_rate_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_RATE_CTL) | VC4_SET_FIELD(clock_settings->ffe_post_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_POST_TAP_EN) | VC4_SET_FIELD(clock_settings->ldmos_bias_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_LDMOS_BIAS_CTL) | VC4_SET_FIELD(clock_settings->com_mode_ldmos_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_COM_MODE_LDMOS_EN) | VC4_SET_FIELD(clock_settings->edge_sel, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EDGE_SEL) | VC4_SET_FIELD(clock_settings->ext_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(clock_settings->term_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_TERM_CTL) | VC4_SET_FIELD(clock_settings->ext_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_EXT_CURRENT_SRC_EN) | VC4_SET_FIELD(clock_settings->int_current_src_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_EN) | VC4_SET_FIELD(clock_settings->int_current_ctl, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_CTL) | VC4_SET_FIELD(clock_settings->int_current_src_hs_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_INT_CURRENT_SRC_HS_EN) | VC4_SET_FIELD(clock_settings->main_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_MAIN_TAP_CURRENT_SELECT) | VC4_SET_FIELD(clock_settings->post_tap_current_select, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_POST_TAP_CURRENT_SELECT) | VC4_SET_FIELD(clock_settings->slew_ctl_slow_loading, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_LOADING) | VC4_SET_FIELD(clock_settings->slew_ctl_slow_driving, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_SLEW_CTL_SLOW_DRIVING) | VC4_SET_FIELD(clock_settings->ffe_pre_tap_en, VC6_HDMI_TX_PHY_HDMI_CTRL_CHX_FFE_PRE_TAP_EN)); if (pixel_freq >= 340000000) word_sel = 3; else word_sel = 0; HDMI_WRITE(HDMI_TX_PHY_TMDS_CLK_WORD_SEL, word_sel); HDMI_WRITE(HDMI_TX_PHY_POWERUP_CTL, VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_BG_PWRUP | VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_LDO_PWRUP | VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_BIAS_PWRUP | VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_CK_PWRUP | VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_2_PWRUP | VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_1_PWRUP | VC6_HDMI_TX_PHY_HDMI_POWERUP_CTL_TX_0_PWRUP); HDMI_WRITE(HDMI_TX_PHY_PLL_POWERUP_CTL, VC6_HDMI_TX_PHY_PLL_POWERUP_CTL_PLL_PWRUP); HDMI_WRITE(HDMI_TX_PHY_PLL_RESET_CTL, HDMI_READ(HDMI_TX_PHY_PLL_RESET_CTL) & ~VC6_HDMI_TX_PHY_PLL_RESET_CTL_PLL_RESETB); HDMI_WRITE(HDMI_TX_PHY_PLL_RESET_CTL, HDMI_READ(HDMI_TX_PHY_PLL_RESET_CTL) | VC6_HDMI_TX_PHY_PLL_RESET_CTL_PLL_RESETB); spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags); } void vc6_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi) { }
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