3b4da8315a
We use encoder->get_buf_trans() in many places, for example intel_ddi_dp_voltage_max(), and the hook was set to some old platform's function for DG2 SNPS PHY. Convert SNPS PHY to use the same translation mechanisms as everything else. Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210813115151.19290-2-jani.nikula@intel.com
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Intel Corporation
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*/
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#ifndef _INTEL_DDI_BUF_TRANS_H_
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#define _INTEL_DDI_BUF_TRANS_H_
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#include <linux/types.h>
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struct drm_i915_private;
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struct intel_encoder;
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struct intel_crtc_state;
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struct hsw_ddi_buf_trans {
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u32 trans1; /* balance leg enable, de-emph level */
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u32 trans2; /* vref sel, vswing */
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u8 i_boost; /* SKL: I_boost; valid: 0x0, 0x1, 0x3, 0x7 */
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};
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struct bxt_ddi_buf_trans {
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u8 margin; /* swing value */
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u8 scale; /* scale value */
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u8 enable; /* scale enable */
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u8 deemphasis;
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};
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struct icl_ddi_buf_trans {
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u8 dw2_swing_sel;
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u8 dw7_n_scalar;
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u8 dw4_cursor_coeff;
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u8 dw4_post_cursor_2;
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u8 dw4_post_cursor_1;
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};
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struct icl_mg_phy_ddi_buf_trans {
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u32 cri_txdeemph_override_11_6;
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u32 cri_txdeemph_override_5_0;
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u32 cri_txdeemph_override_17_12;
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};
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struct tgl_dkl_phy_ddi_buf_trans {
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u32 dkl_vswing_control;
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u32 dkl_preshoot_control;
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u32 dkl_de_emphasis_control;
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};
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struct dg2_snps_phy_buf_trans {
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u8 snps_vswing;
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u8 snps_pre_cursor;
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u8 snps_post_cursor;
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};
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union intel_ddi_buf_trans_entry {
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struct hsw_ddi_buf_trans hsw;
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struct bxt_ddi_buf_trans bxt;
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struct icl_ddi_buf_trans icl;
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struct icl_mg_phy_ddi_buf_trans mg;
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struct tgl_dkl_phy_ddi_buf_trans dkl;
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struct dg2_snps_phy_buf_trans snps;
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};
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struct intel_ddi_buf_trans {
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const union intel_ddi_buf_trans_entry *entries;
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u8 num_entries;
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u8 hdmi_default_entry;
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};
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bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table);
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int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *default_entry);
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void intel_ddi_buf_trans_init(struct intel_encoder *encoder);
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#endif
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